{"id":3837,"date":"2024-04-14T11:05:29","date_gmt":"2024-04-14T03:05:29","guid":{"rendered":"http:\/\/www.dama.org.cn\/wordpress\/?p=3837"},"modified":"2024-04-14T11:05:29","modified_gmt":"2024-04-14T03:05:29","slug":"%e8%8b%8f%e4%b8%89-%e8%a1%a8%e8%ae%be%e8%ae%a1%e7%9a%8418%e6%9d%a1%e5%86%9b%e8%a7%84%e8%8b%8f%e4%b8%89","status":"publish","type":"post","link":"https:\/\/www.dama.org.cn\/wordpress\/2024\/04\/14\/%e8%8b%8f%e4%b8%89-%e8%a1%a8%e8%ae%be%e8%ae%a1%e7%9a%8418%e6%9d%a1%e5%86%9b%e8%a7%84%e8%8b%8f%e4%b8%89\/","title":{"rendered":"\u82cf\u4e09 | \u8868\u8bbe\u8ba1\u768418\u6761\u519b\u89c4\u82cf\u4e09 |"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center\"><strong>\u524d\u8a00<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u540e\u7aef\u5f00\u53d1\u540c\u5b66\u6765\u8bf4\uff0c\u8bbf\u95ee\u6570\u636e\u5e93\uff0c\u662f\u4ee3\u7801\u4e2d\u5fc5\u4e0d\u53ef\u5c11\u7684\u4e00\u4e2a\u73af\u8282\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7cfb\u7edf\u4e2d\u6536\u96c6\u5230\u7528\u6237\u7684\u6838\u5fc3\u6570\u636e\uff0c\u4e3a\u4e86\u5b89\u5168\u6027\uff0c\u6211\u4eec\u4e00\u822c\u4f1a\u5b58\u50a8\u5230\u6570\u636e\u5e93\uff0c\u6bd4\u5982\uff1amysql\uff0coracle\u7b49\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u540e\u7aef\u5f00\u53d1\u7684\u65e5\u5e38\u5de5\u4f5c\uff0c\u9700\u8981\u4e0d\u65ad\u7684\u5efa\u5e93\u548c\u5efa\u8868\uff0c\u6765\u6ee1\u8db3\u4e1a\u52a1\u9700\u6c42\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u5efa\u5e93\u7684\u9891\u7387\u6bd4\u5efa\u8868\u8981\u4f4e\u5f88\u591a\uff0c\u6240\u4ee5\uff0c\u6211\u4eec\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u8ba8\u8bba\u5efa\u8868\u76f8\u5173\u7684\u5185\u5bb9\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u6211\u4eec\u5728\u5efa\u8868\u7684\u65f6\u5019\u4e0d\u6ce8\u610f\u7ec6\u8282\uff0c\u7b49\u540e\u9762\u7cfb\u7edf\u4e0a\u7ebf\u4e4b\u540e\uff0c\u8868\u7684\u7ef4\u62a4\u6210\u672c\u53d8\u5f97\u975e\u5e38\u9ad8\uff0c\u800c\u4e14\u5f88\u5bb9\u6613\u8e29\u5751\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4eca\u5929\u5c31\u8ddf\u5927\u5bb6\u4e00\u8d77\u804a\u804a\uff0c\u6570\u636e\u5e93\u5efa\u8868\u768418\u4e2a\u5c0f\u6280\u5de7\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6587\u7ae0\u4e2d\u4ecb\u7ecd\u7684\u5f88\u591a\u7ec6\u8282\uff0c\u6211\u5728\u5de5\u4f5c\u4e2d\u8e29\u8fc7\u5751\uff0c\u5e76\u4e14\u5b9e\u8df5\u8fc7\u7684\uff0c\u975e\u5e38\u6709\u501f\u9274\u610f\u4e49\uff0c\u5e0c\u671b\u5bf9\u4f60\u4f1a\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"946\" height=\"1696\" src=\"http:\/\/www.dama.org.cn\/wordpress\/wp-content\/uploads\/2024\/04\/image-34.png\" alt=\"\" class=\"wp-image-3838\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\"><strong>1.\u540d\u5b57<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5efa\u8868\u7684\u65f6\u5019\uff0c\u7ed9<code>\u8868<\/code>\u3001<code>\u5b57\u6bb5<\/code>\u548c<code>\u7d22\u5f15<\/code>\u8d77\u4e2a\u597d\u540d\u5b57\uff0c\u771f\u7684\u592a\u91cd\u8981\u4e86\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><\/strong><strong>1.1 \u89c1\u540d\u77e5\u610f<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u540d\u5b57\u5c31\u50cf<code>\u8868<\/code>\u3001<code>\u5b57\u6bb5<\/code>\u548c<code>\u7d22\u5f15<\/code>\u7684\u4e00\u5f20\u8138\uff0c\u53ef\u4ee5\u7ed9\u4eba\u7559\u4e0b\u7b2c\u4e00\u5370\u8c61\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u597d\u7684\u540d\u5b57\uff0c\u8a00\u7b80\u610f\u8d45\uff0c\u89c1\u540d\u77e5\u610f\uff0c\u8ba9\u4eba\u5fc3\u60c5\u6109\u60a6\uff0c\u80fd\u591f\u63d0\u9ad8\u6c9f\u901a\u548c\u7ef4\u62a4\u6210\u672c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u574f\u7684\u540d\u5b57\uff0c\u6a21\u62df\u4e24\u53ef\uff0c\u4e0d\u77e5\u6240\u4e91\u3002\u800c\u4e14\u663e\u5f97\u6742\u4e71\u65e0\u7ae0\uff0c\u770b\u5f97\u8ba9\u4eba\u6293\u72c2\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u53cd\u4f8b\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u7528\u6237\u540d\u79f0\u5b57\u6bb5\u5b9a\u4e49\u6210\uff1ayong_hu_ming\u3001\u7528\u6237_name\u3001name\u3001user_name_123456789<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f60\u770b\u4e86\u53ef\u80fd\u4f1a\u4e00\u8138\u61f5\u903c\uff0c\u8fd9\u662f\u4ec0\u4e48\u9a9a\u64cd\u4f5c\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6b63\u4f8b\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u7528\u6237\u540d\u79f0\u5b57\u6bb5\u5b9a\u4e49\u6210\uff1auser_name<\/code><\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u6e29\u99a8\u63d0\u9192\u4e00\u4e0b\uff0c\u540d\u5b57\u4e5f\u4e0d\u5b9c\u8fc7\u957f\uff0c\u5c3d\u91cf\u63a7\u5236\u5728<code>30<\/code>\u4e2a\u5b57\u7b26\u4ee5\u5185\u3002<\/p>\n<\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><\/strong><strong>1.2 \u5927\u5c0f\u5199<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u540d\u5b57\u5c3d\u91cf\u90fd\u7528<code>\u5c0f\u5199\u5b57\u6bcd<\/code>\uff0c\u56e0\u4e3a\u4ece\u89c6\u89c9\u4e0a\uff0c\u5c0f\u5199\u5b57\u6bcd\u66f4\u5bb9\u6613\u8ba9\u4eba\u8bfb\u61c2\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u53cd\u4f8b\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5b57\u6bb5\u540d\uff1aPRODUCT_NAME\u3001PRODUCT_name<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5168\u90e8\u5927\u5199\uff0c\u770b\u8d77\u6765\u6709\u70b9\u4e0d\u592a\u76f4\u89c2\u3002\u800c\u4e00\u90e8\u5206\u5927\u5199\uff0c\u4e00\u90e8\u5206\u5c0f\u5199\uff0c\u8ba9\u4eba\u770b\u7740\u66f4\u4e0d\u723d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6b63\u4f8b\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5b57\u6bb5\u540d\uff1aproduct_name<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u540d\u5b57\u8fd8\u662f\u4f7f\u7528\u5168\u5c0f\u5199\u5b57\u6bcd\uff0c\u770b\u7740\u66f4\u8212\u670d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><\/strong><strong>1.3 \u5206\u9694\u7b26<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f88\u591a\u65f6\u5019\uff0c\u540d\u5b57\u4e3a\u4e86\u8ba9\u4eba\u597d\u7406\u89e3\uff0c\u6709\u53ef\u80fd\u4f1a\u5305\u542b\u591a\u4e2a\u5355\u8bcd\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u90a3\u4e48\uff0c\u591a\u4e2a\u5355\u8bcd\u95f4\u7684<code>\u5206\u9694\u7b26<\/code>\u8be5\u7528\u4ec0\u4e48\u5462\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u53cd\u4f8b\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5b57\u6bb5\u540d\uff1aproductname\u3001productName\u3001product&nbsp;name\u3001product@name<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5355\u8bcd\u95f4\u6ca1\u6709\u5206\u9694\uff0c\u6216\u8005\u5355\u8bcd\u95f4\u7528\u9a7c\u5cf0\u6807\u8bc6\uff0c\u6216\u8005\u5355\u8bcd\u95f4\u7528\u7a7a\u683c\u5206\u9694\uff0c\u6216\u8005\u5355\u8bcd\u95f4\u7528@\u5206\u9694\uff0c\u8fd9\u51e0\u79cd\u65b9\u5f0f\u90fd\u4e0d\u592a\u5efa\u8bae\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u6b63\u4f8b\uff1a<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5b57\u6bb5\u540d\uff1aproduct_name<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f3a\u70c8\u5efa\u8bae\u5927\u5bb6\u5728\u5355\u8bcd\u95f4\u7528<code>_<\/code>\u5206\u9694\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><\/strong><strong>1.4 \u8868\u540d<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u8868\u540d\uff0c\u5728\u8a00\u7b80\u610f\u8d45\uff0c\u89c1\u540d\u77e5\u610f\u7684\u57fa\u7840\u4e4b\u4e0a\uff0c\u5efa\u8bae\u5e26\u4e0a<code>\u4e1a\u52a1\u524d\u7f00<\/code>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u662f\u8ba2\u5355\u76f8\u5173\u7684\u4e1a\u52a1\u8868\uff0c\u53ef\u4ee5\u5728\u8868\u540d\u524d\u9762\u52a0\u4e2a\u524d\u7f00\uff1a<code>order_<\/code>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1aorder_pay\u3001order_pay_detail\u7b49\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u662f\u5546\u54c1\u76f8\u5173\u7684\u4e1a\u52a1\u8868\uff0c\u53ef\u4ee5\u5728\u8868\u540d\u524d\u9762\u52a0\u4e2a\u524d\u7f00\uff1a<code>product_<\/code>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1aproduct_spu\uff0cproduct_sku\u7b49\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6837\u505a\u7684\u597d\u5904\u662f\u4e3a\u4e86\u65b9\u4fbf\u5f52\u7c7b\uff0c\u628a\u76f8\u540c\u4e1a\u52a1\u7684\u8868\uff0c\u53ef\u4ee5\u975e\u5e38\u5feb\u901f\u7684\u805a\u96c6\u5230\u4e00\u8d77\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53e6\u5916\uff0c\u8fd8\u6709\u6709\u4e2a\u597d\u5904\u662f\uff0c\u5982\u679c\u54ea\u5929\u6709\u975e\u8ba2\u5355\u7684\u4e1a\u52a1\uff0c\u6bd4\u5982\uff1a\u91d1\u878d\u4e1a\u52a1\uff0c\u4e5f\u9700\u8981\u5efa\u4e00\u4e2a\u540d\u5b57\u53eb\u505apay\u7684\u8868\uff0c\u53ef\u4ee5\u53d6\u540d\uff1afinance_pay\uff0c\u5c31\u80fd\u975e\u5e38\u8f7b\u677e\u7684\u533a\u5206\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6837\u5c31\u4e0d\u4f1a\u51fa\u73b0<code>\u540c\u540d\u8868<\/code>\u7684\u60c5\u51b5\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><\/strong><strong>1.5 \u5b57\u6bb5\u540d\u79f0<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\u5b57\u6bb5\u540d\u79f0<\/code>\u662f\u5f00\u53d1\u4eba\u5458\u53d1\u6325\u7a7a\u95f4\u6700\u5927\uff0c\u4f46\u4e5f\u6700\u5bb9\u6613\u53d1\u751f\u6df7\u4e71\u7684\u5730\u65b9\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bd4\u5982\u6709\u4e9b\u8868\uff0c\u4f7f\u7528flag\u8868\u793a\u72b6\u6001\uff0c\u53e6\u5916\u7684\u8868\u7528status\u8868\u793a\u72b6\u6001\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u7edf\u4e00\u4e00\u4e0b\uff0c\u4f7f\u7528status\u8868\u793a\u72b6\u6001\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4e00\u4e2a\u8868\u4f7f\u7528\u4e86\u53e6\u4e00\u4e2a\u8868\u7684\u4e3b\u952e\uff0c\u53ef\u4ee5\u5728\u53e6\u4e00\u5f20\u8868\u7684\u540d\u540e\u9762\uff0c\u52a0<code>_id<\/code>\u6216<code>_sys_no<\/code>\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728product_sku\u8868\u4e2d\u6709\u4e2a\u5b57\u6bb5\uff0c\u662fproduct_spu\u8868\u7684\u4e3b\u952e\uff0c\u8fd9\u65f6\u5019\u53ef\u4ee5\u53d6\u540d\uff1aproduct_spu_id\u6216product_spu_sys_no\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd8\u6709\u521b\u5efa\u65f6\u95f4\uff0c\u53ef\u4ee5\u7edf\u4e00\u6210\uff1acreate_time\uff0c\u4fee\u6539\u65f6\u95f4\u7edf\u4e00\u6210\uff1aupdate_time\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5220\u9664\u72b6\u6001\u56fa\u5b9a\u4e3a\uff1adelete_status\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u5b9e\u8fd8\u6709\u5f88\u591a\u516c\u5171\u5b57\u6bb5\uff0c\u5728\u4e0d\u540c\u7684\u8868\u4e4b\u95f4\uff0c\u53ef\u4ee5\u4f7f\u7528\u5168\u5c40\u7edf\u4e00\u7684\u547d\u540d\u89c4\u5219\uff0c\u5b9a\u4e49\u6210\u76f8\u540c\u7684\u540d\u79f0\uff0c\u4ee5\u4fbf\u4e8e\u5927\u5bb6\u597d\u7406\u89e3\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong><\/strong><strong>1.6 \u7d22\u5f15\u540d<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u6570\u636e\u5e93\u4e2d\uff0c\u7d22\u5f15\u6709\u5f88\u591a\u79cd\uff0c\u5305\u62ec\uff1a\u4e3b\u952e\u3001\u666e\u901a\u7d22\u5f15\u3001\u552f\u4e00\u7d22\u5f15\u3001\u8054\u5408\u7d22\u5f15\u7b49\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bcf\u5f20\u8868\u7684\u4e3b\u952e\u53ea\u6709\u4e00\u4e2a\uff0c\u4e00\u822c\u4f7f\u7528\uff1a<code>id<\/code>\u6216\u8005<code>sys_no<\/code>\u547d\u540d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u666e\u901a\u7d22\u5f15\u548c\u8054\u5408\u7d22\u5f15\uff0c\u5176\u5b9e\u662f\u4e00\u7c7b\u3002\u5728\u5efa\u7acb\u8be5\u7c7b\u7d22\u5f15\u65f6\uff0c\u53ef\u4ee5\u52a0<code>ix_<\/code>\u524d\u7f00\uff0c\u6bd4\u5982\uff1aix_product_status\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u552f\u4e00\u7d22\u5f15\uff0c\u53ef\u4ee5\u52a0<code>ux_<\/code>\u524d\u7f00\uff0c\u6bd4\u5982\uff1aux_product_code\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\"><strong>2.\u5b57\u6bb5\u7c7b\u578b<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u8bbe\u8ba1\u8868\u65f6\uff0c\u6211\u4eec\u5728\u9009\u62e9<code>\u5b57\u6bb5\u7c7b\u578b<\/code>\u65f6\uff0c\u53ef\u53d1\u6325\u7a7a\u95f4\u5f88\u5927\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u65f6\u95f4\u683c\u5f0f\u7684\u6570\u636e\u6709\uff1adate\u3001datetime\u548ctimestamp\u7b49\u7b49\u53ef\u4ee5\u9009\u62e9\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b57\u7b26\u7c7b\u578b\u7684\u6570\u636e\u6709\uff1avarchar\u3001char\u3001text\u7b49\u53ef\u4ee5\u9009\u62e9\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6570\u5b57\u7c7b\u578b\u7684\u6570\u636e\u6709\uff1aint\u3001bigint\u3001smallint\u3001tinyint\u7b49\u53ef\u4ee5\u9009\u62e9\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bf4\u5b9e\u8bdd\uff0c\u9009\u62e9\u5f88\u591a\uff0c\u6709\u65f6\u5019\u662f\u4e00\u4ef6\u597d\u4e8b\uff0c\u4e5f\u53ef\u80fd\u662f\u4e00\u4ef6\u574f\u4e8b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u4f55\u9009\u62e9\u4e00\u4e2a<code>\u5408\u9002<\/code>\u7684\u5b57\u6bb5\u7c7b\u578b\uff0c\u53d8\u6210\u4e86\u6211\u4eec\u4e0d\u5f97\u4e0d\u9762\u5bf9\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u5b57\u6bb5\u7c7b\u578b\u9009\u5927\u4e86\uff0c\u6bd4\u5982\uff1a\u539f\u672c\u53ea\u67091-10\u4e4b\u95f4\u768410\u4e2a\u6570\u5b57\uff0c\u7ed3\u679c\u9009\u4e86<code>bigint<\/code>\uff0c\u5b83\u5360<code>8<\/code>\u4e2a\u5b57\u8282\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u5b9e\uff0c1-10\u4e4b\u95f4\u768410\u4e2a\u6570\u5b57\uff0c\u6bcf\u4e2a\u6570\u5b57<code>1<\/code>\u4e2a\u5b57\u8282\u5c31\u80fd\u4fdd\u5b58\uff0c\u9009\u62e9<code>tinyint<\/code>\u66f4\u4e3a\u5408\u9002\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6837\u4f1a\u767d\u767d\u6d6a\u8d397\u4e2a\u5b57\u8282\u7684\u7a7a\u95f4\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u5b57\u6bb5\u7c7b\u578b\u62e9\u5c0f\u4e86\uff0c\u6bd4\u5982\uff1a\u4e00\u4e2a18\u4f4d\u7684id\u5b57\u6bb5\uff0c\u9009\u62e9\u4e86<code>int<\/code>\u7c7b\u578b\uff0c\u6700\u7ec8\u6570\u636e\u4f1a\u4fdd\u5b58\u5931\u8d25\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\u9009\u62e9\u4e00\u4e2a\u5408\u9002\u7684\u5b57\u6bb5\u7c7b\u578b\uff0c\u8fd8\u662f\u975e\u5e38\u91cd\u8981\u7684\u4e00\u4ef6\u4e8b\u60c5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0b\u539f\u5219\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5c3d\u53ef\u80fd\u9009\u62e9\u5360\u7528\u5b58\u50a8\u7a7a\u95f4\u5c0f\u7684\u5b57\u6bb5\u7c7b\u578b\uff0c\u5728\u6ee1\u8db3\u6b63\u5e38\u4e1a\u52a1\u9700\u6c42\u7684\u60c5\u51b5\u4e0b\uff0c\u4ece\u5c0f\u5230\u5927\uff0c\u5f80\u4e0a\u9009\u3002<\/li>\n\n\n\n<li>\u5982\u679c\u5b57\u7b26\u4e32\u957f\u5ea6\u56fa\u5b9a\uff0c\u6216\u8005\u5dee\u522b\u4e0d\u5927\uff0c\u53ef\u4ee5\u9009\u62e9char\u7c7b\u578b\u3002\u5982\u679c\u5b57\u7b26\u4e32\u957f\u5ea6\u5dee\u522b\u8f83\u5927\uff0c\u53ef\u4ee5\u9009\u62e9varchar\u7c7b\u578b\u3002<\/li>\n\n\n\n<li>\u662f\u5426\u5b57\u6bb5\uff0c\u53ef\u4ee5\u9009\u62e9bit\u7c7b\u578b\u3002<\/li>\n\n\n\n<li>\u679a\u4e3e\u5b57\u6bb5\uff0c\u53ef\u4ee5\u9009\u62e9tinyint\u7c7b\u578b\u3002<\/li>\n\n\n\n<li>\u4e3b\u952e\u5b57\u6bb5\uff0c\u53ef\u4ee5\u9009\u62e9bigint\u7c7b\u578b\u3002<\/li>\n\n\n\n<li>\u91d1\u989d\u5b57\u6bb5\uff0c\u53ef\u4ee5\u9009\u62e9decimal\u7c7b\u578b\u3002<\/li>\n\n\n\n<li>\u65f6\u95f4\u5b57\u6bb5\uff0c\u53ef\u4ee5\u9009\u62e9timestamp\u6216datetime\u7c7b\u578b\u3002<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\"><strong>3.\u5b57\u6bb5\u957f\u5ea6<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u524d\u9762\u6211\u4eec\u5df2\u7ecf\u5b9a\u4e49\u597d\u4e86<code>\u5b57\u6bb5\u540d\u79f0<\/code>\uff0c\u9009\u62e9\u4e86\u5408\u9002\u7684<code>\u5b57\u6bb5\u7c7b\u578b<\/code>\uff0c\u63a5\u4e0b\u6765\uff0c\u9700\u8981\u91cd\u70b9\u5173\u6ce8\u7684\u662f<code>\u5b57\u6bb5\u957f\u5ea6<\/code>\u4e86\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bd4\u5982\uff1avarchar(20)\uff0cbiginit(20)\u7b49\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u90a3\u4e48\u95ee\u9898\u6765\u4e86\uff0c<code>varchar<\/code>\u4ee3\u8868\u7684\u662f<code>\u5b57\u8282<\/code>\u957f\u5ea6\uff0c\u8fd8\u662f<code>\u5b57\u7b26<\/code>\u957f\u5ea6\u5462\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b54\uff1a\u5728mysql\u4e2d\u9664\u4e86<code>varchar<\/code>\u548c<code>char<\/code>\u662f\u4ee3\u8868<code>\u5b57\u7b26<\/code>\u957f\u5ea6\u4e4b\u5916\uff0c\u5176\u4f59\u7684\u7c7b\u578b\u90fd\u662f\u4ee3\u8868<code>\u5b57\u8282<\/code>\u957f\u5ea6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">biginit(n) \u8fd9\u4e2a<code>n<\/code>\u8868\u793a\u4ec0\u4e48\u610f\u601d\u5462\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u5982\u6211\u4eec\u5b9a\u4e49\u7684\u5b57\u6bb5\u7c7b\u578b\u548c\u957f\u5ea6\u662f\uff1abigint(4)\uff0cbigint\u5b9e\u9645\u957f\u5ea6\u662f<code>8<\/code>\u4e2a\u5b57\u8282\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u73b0\u5728\u6709\u4e2a\u6570\u636ea=1\uff0ca\u663e\u793a4\u4e2a\u5b57\u8282\uff0c\u6240\u4ee5\u5728\u4e0d\u6ee14\u4e2a\u5b57\u8282\u65f6\u524d\u9762\u586b\u51450\uff08\u524d\u63d0\u662f\u8be5\u5b57\u6bb5\u8bbe\u7f6e\u4e86zerofill\u5c5e\u6027\uff09\uff0c\u6bd4\u5982\uff1a0001\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u6ee1\u4e864\u4e2a\u5b57\u8282\u65f6\uff0c\u6bd4\u5982\u73b0\u5728\u6570\u636e\u662fa=123456\uff0c\u5b83\u4f1a\u6309\u7167\u5b9e\u9645\u7684\u957f\u5ea6\u663e\u793a\uff0c\u6bd4\u5982\uff1a123456\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u6709\u4e9bmysql\u5ba2\u6237\u7aef\u5373\u4f7f\u6ee1\u4e864\u4e2a\u5b57\u8282\uff0c\u4e5f\u53ef\u80fd\u53ea\u663e\u793a4\u4e2a\u5b57\u8282\u7684\u5185\u5bb9\uff0c\u6bd4\u5982\u4f1a\u663e\u793a\u6210\uff1a1234\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5bigint(4)\uff0c\u8fd9\u91cc\u76844\u8868\u793a\u663e\u793a\u7684\u957f\u5ea6\u4e3a4\u4e2a\u5b57\u8282\uff0c\u5b9e\u9645\u957f\u5ea6\u8fd8\u662f\u53608\u4e2a\u5b57\u8282\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\"><strong>4.\u5b57\u6bb5\u4e2a\u6570<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u5728\u5efa\u8868\u7684\u65f6\u5019\uff0c\u4e00\u5b9a\u8981\u5bf9<code>\u5b57\u6bb5\u4e2a\u6570<\/code>\u505a\u4e00\u4e9b\u9650\u5236\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4e4b\u524d\u89c1\u8fc7\u6709\u4eba\u521b\u5efa\u7684\u8868\uff0c\u6709\u51e0\u5341\u4e2a\uff0c\u751a\u81f3\u4e0a\u767e\u4e2a\u5b57\u6bb5\uff0c\u8868\u4e2d\u4fdd\u5b58\u7684\u6570\u636e\u975e\u5e38\u5927\uff0c\u67e5\u8be2\u6548\u7387\u5f88\u4f4e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u771f\u6709\u8fd9\u79cd\u60c5\u51b5\uff0c\u53ef\u4ee5\u5c06\u4e00\u5f20<code>\u5927\u8868<\/code>\u62c6\u6210\u591a\u5f20<code>\u5c0f\u8868<\/code>\uff0c\u8fd9\u51e0\u5f20\u8868\u7684\u4e3b\u952e\u76f8\u540c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5efa\u8bae\u6bcf\u8868\u7684\u5b57\u6bb5\u4e2a\u6570\uff0c\u4e0d\u8981\u8d85\u8fc7<code>20<\/code>\u4e2a\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\"><strong>5. \u4e3b\u952e<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u521b\u5efa\u8868\u65f6\uff0c\u4e00\u5b9a\u8981\u521b\u5efa<code>\u4e3b\u952e<\/code>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u4e3a\u4e3b\u952e\u81ea\u5e26\u4e86\u4e3b\u952e\u7d22\u5f15\uff0c\u76f8\u6bd4\u4e8e\u5176\u4ed6\u7d22\u5f15\uff0c\u4e3b\u952e\u7d22\u5f15\u7684\u67e5\u8be2\u6548\u7387\u6700\u9ad8\uff0c\u56e0\u4e3a\u5b83\u4e0d\u9700\u8981\u56de\u8868\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u5916\uff0c\u4e3b\u952e\u8fd8\u662f\u5929\u7136\u7684<code>\u552f\u4e00\u7d22\u5f15<\/code>\uff0c\u53ef\u4ee5\u6839\u636e\u5b83\u6765\u5224\u91cd\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728<code>\u5355\u4e2a<\/code>\u6570\u636e\u5e93\u4e2d\uff0c\u4e3b\u952e\u53ef\u4ee5\u901a\u8fc7<code>AUTO_INCREMENT<\/code>\uff0c\u8bbe\u7f6e\u6210<code>\u81ea\u52a8\u589e\u957f<\/code>\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u5728<code>\u5206\u5e03\u5f0f<\/code>\u6570\u636e\u5e93\u4e2d\uff0c\u7279\u522b\u662f\u505a\u4e86\u5206\u5e93\u5206\u8868\u7684\u4e1a\u52a1\u5e93\u4e2d\uff0c\u4e3b\u952e\u6700\u597d\u7531\u5916\u90e8\u7b97\u6cd5(\u6bd4\u5982\uff1a\u96ea\u82b1\u7b97\u6cd5\uff09\u751f\u6210\uff0c\u5b83\u80fd\u591f\u4fdd\u8bc1\u751f\u6210\u7684id\u662f\u5168\u5c40\u552f\u4e00\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9664\u6b64\u4e4b\u5916\uff0c\u4e3b\u952e\u5efa\u8bae\u4fdd\u5b58\u8ddf\u4e1a\u52a1\u65e0\u5173\u7684\u503c\uff0c\u51cf\u5c11\u4e1a\u52a1\u8026\u5408\u6027\uff0c\u65b9\u4fbf\u4eca\u540e\u7684\u6269\u5c55\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u8fc7\u6211\u4e5f\u89c1\u8fc7\uff0c\u6709\u4e9b\u4e00\u5bf9\u4e00\u7684\u8868\u5173\u7cfb\uff0c\u6bd4\u5982\uff1a\u7528\u6237\u8868\u548c\u7528\u6237\u6269\u5c55\u8868\uff0c\u5728\u4fdd\u5b58\u6570\u636e\u65f6\u662f\u4e00\u5bf9\u4e00\u7684\u5173\u7cfb\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6837\uff0c\u7528\u6237\u6269\u5c55\u8868\u7684\u4e3b\u952e\uff0c\u53ef\u4ee5\u76f4\u63a5\u4fdd\u5b58\u7528\u6237\u8868\u7684\u4e3b\u952e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\"><strong>6.\u5b58\u50a8\u5f15\u64ce<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728<code>mysql8<\/code>\u4ee5\u524d\u7684\u7248\u672c\uff0c\u9ed8\u8ba4\u7684\u5b58\u50a8\u5f15\u64ce\u662f<code>myisam<\/code>\uff0c\u800c<code>mysql8<\/code>\u4ee5\u540e\u7684\u7248\u672c\uff0c\u9ed8\u8ba4\u7684\u5b58\u50a8\u5f15\u64ce\u53d8\u6210\u4e86<code>innodb<\/code>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e4b\u524d\u6211\u4eec\u8fd8\u5728\u521b\u5efa\u8868\u65f6\uff0c\u8fd8\u4e00\u76f4\u7ea0\u7ed3\u8981\u9009\u54ea\u79cd\u5b58\u50a8\u5f15\u64ce\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>myisam<\/code>\u7684\u7d22\u5f15\u548c\u6570\u636e\u5206\u5f00\u5b58\u50a8\uff0c\u800c\u6709\u5229\u4e8e\u67e5\u8be2\uff0c\u4f46\u5b83\u4e0d\u652f\u6301\u4e8b\u52a1\u548c\u5916\u952e\u7b49\u529f\u80fd\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u800c<code>innodb<\/code>\u867d\u8bf4\u67e5\u8be2\u6027\u80fd\uff0c\u7a0d\u5fae\u5f31\u4e00\u70b9\uff0c\u4f46\u5b83\u652f\u6301\u4e8b\u52a1\u548c\u5916\u952e\u7b49\uff0c\u529f\u80fd\u66f4\u5f3a\u5927\u4e00\u4e9b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u524d\u7684\u5efa\u8bae\u662f\uff1a\u8bfb\u591a\u5199\u5c11\u7684\u8868\uff0c\u7528myisam\u5b58\u50a8\u5f15\u64ce\u3002\u800c\u5199\u591a\u8bfb\u591a\u7684\u8868\uff0c\u7528innodb\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u867d\u8bf4mysql\u5bf9innodb\u5b58\u50a8\u5f15\u64ce\u6027\u80fd\u7684\u4e0d\u65ad\u4f18\u5316\uff0c\u73b0\u5728myisam\u548cinnodb\u67e5\u8be2\u6027\u80fd\u76f8\u5dee\u5df2\u7ecf\u8d8a\u6765\u8d8a\u5c0f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\uff0c\u5efa\u8bae\u6211\u4eec\u5728\u4f7f\u7528<code>mysql8<\/code>\u4ee5\u540e\u7684\u7248\u672c\u65f6\uff0c\u76f4\u63a5\u4f7f\u7528\u9ed8\u8ba4\u7684<code>innodb<\/code>\u5b58\u50a8\u5f15\u64ce\u5373\u53ef\uff0c\u65e0\u9700\u989d\u5916\u4fee\u6539\u5b58\u50a8\u5f15\u64ce\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\"><strong>7. NOT NULL<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u521b\u5efa\u5b57\u6bb5\u65f6\uff0c\u9700\u8981\u9009\u62e9\u8be5\u5b57\u6bb5\u662f\u5426\u5141\u8bb8\u4e3a<code>NULL<\/code>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u5728\u5b9a\u4e49\u5b57\u6bb5\u65f6\uff0c\u5e94\u8be5\u5c3d\u53ef\u80fd\u660e\u786e\u8be5\u5b57\u6bb5<code>NOT NULL<\/code>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4ec0\u4e48\u5462\uff1f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u4e3b\u8981\u4ee5innodb\u5b58\u50a8\u5f15\u64ce\u4e3a\u4f8b\uff0cmyisam\u5b58\u50a8\u5f15\u64ce\u6ca1\u5565\u597d\u8bf4\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3b\u8981\u6709\u4ee5\u4e0b\u539f\u56e0\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5728innodb\u4e2d\uff0c\u9700\u8981\u989d\u5916\u7684\u7a7a\u95f4\u5b58\u50a8null\u503c\uff0c\u9700\u8981\u5360\u7528\u66f4\u591a\u7684\u7a7a\u95f4\u3002<\/li>\n\n\n\n<li>null\u503c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7d22\u5f15\u5931\u6548\u3002<\/li>\n\n\n\n<li>null\u503c\u53ea\u80fd\u7528<code>is null<\/code>\u6216\u8005<code>is not null<\/code>\u5224\u65ad\uff0c\u7528<code>=\u53f7<\/code>\u5224\u65ad\u6c38\u8fdc\u8fd4\u56defalse\u3002<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u5efa\u8bae\u6211\u4eec\u5728\u5b9a\u4e49\u5b57\u6bb5\u65f6\uff0c\u80fd\u5b9a\u4e49\u6210NOT NULL\uff0c\u5c31\u5b9a\u4e49\u6210NOT NULL\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u5982\u679c\u67d0\u4e2a\u5b57\u6bb5\u76f4\u63a5\u5b9a\u4e49\u6210NOT NULL\uff0c\u4e07\u4e00\u6709\u4e9b\u5730\u65b9\u5fd8\u4e86\u7ed9\u8be5\u5b57\u6bb5\u5199\u503c\uff0c\u5c31\u4f1a<code>insert<\/code>\u4e0d\u4e86\u6570\u636e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e5f\u7b97\u5408\u7406\u7684\u60c5\u51b5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u6709\u4e00\u79cd\u60c5\u51b5\u662f\uff0c\u7cfb\u7edf\u6709\u65b0\u529f\u80fd\u4e0a\u7ebf\uff0c\u65b0\u589e\u4e86\u5b57\u6bb5\u3002\u4e0a\u7ebf\u65f6\u4e00\u822c\u4f1a\u5148\u6267\u884csql\u811a\u672c\uff0c\u518d\u90e8\u7f72\u4ee3\u7801\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7531\u4e8e\u8001\u4ee3\u7801\u4e2d\uff0c\u4e0d\u4f1a\u7ed9\u65b0\u5b57\u6bb5\u8d4b\u503c\uff0c\u5219insert\u6570\u636e\u65f6\uff0c\u4e5f\u4f1a\u62a5\u9519\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7531\u6b64\uff0c\u975e\u5e38\u6709\u5fc5\u8981\u7ed9NOT NULL\u7684\u5b57\u6bb5\u8bbe\u7f6e\u9ed8\u8ba4\u503c\uff0c\u7279\u522b\u662f\u540e\u9762\u65b0\u589e\u7684\u5b57\u6bb5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>alter&nbsp;table&nbsp;product_sku&nbsp;add&nbsp;column&nbsp;&nbsp;brand_id&nbsp;int(10)&nbsp;not&nbsp;null&nbsp;default&nbsp;0;<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\"><strong>8.\u5916\u952e<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728mysql\u4e2d\uff0c\u662f\u5b58\u5728<code>\u5916\u952e<\/code>\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5916\u952e\u5b58\u5728\u7684\u4e3b\u8981\u4f5c\u7528\u662f\uff1a\u4fdd\u8bc1\u6570\u636e\u7684<code>\u4e00\u81f4\u6027<\/code>\u548c<code>\u5b8c\u6574\u6027<\/code>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>create&nbsp;table&nbsp;class&nbsp;(<br>&nbsp;&nbsp;id&nbsp;int(10)&nbsp;primary&nbsp;key&nbsp;auto_increment,<br>&nbsp;&nbsp;cname&nbsp;varchar(15)<br>);<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6709\u4e2a\u73ed\u7ea7\u8868class\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u540e\u6709\u4e2astudent\u8868\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>create&nbsp;table&nbsp;student(<br>&nbsp;&nbsp;id&nbsp;int(10)&nbsp;primary&nbsp;key&nbsp;auto_increment,<br>&nbsp;&nbsp;name&nbsp;varchar(15)&nbsp;not&nbsp;null,<br>&nbsp;&nbsp;gender&nbsp;varchar(10)&nbsp;not&nbsp;null,<br>&nbsp;&nbsp;cid&nbsp;int,<br>&nbsp;&nbsp;foreign&nbsp;key(cid)&nbsp;references&nbsp;class(id)<br>);<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2dstudent\u8868\u4e2d\u7684cid\u5b57\u6bb5\uff0c\u4fdd\u5b58\u7684class\u8868\u7684id\uff0c\u8fd9\u65f6\u901a\u8fc7<code>foreign key<\/code>\u589e\u52a0\u4e86\u4e00\u4e2a\u5916\u952e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u65f6\uff0c\u5982\u679c\u4f60\u76f4\u63a5\u901a\u8fc7student\u8868\u7684id\u5220\u9664\u6570\u636e\uff0c\u4f1a\u62a5\u5f02\u5e38\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>a&nbsp;foreign&nbsp;key&nbsp;constraint&nbsp;fails<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5fc5\u987b\u8981\u5148\u5220\u9664class\u8868\u5bf9\u4e8e\u7684cid\u90a3\u6761\u6570\u636e\uff0c\u518d\u5220\u9664student\u8868\u7684\u6570\u636e\u624d\u884c\uff0c\u8fd9\u6837\u80fd\u591f\u4fdd\u8bc1\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u987a\u4fbf\u8bf4\u4e00\u53e5\uff1a\u53ea\u6709\u5b58\u50a8\u5f15\u64ce\u662finnodb\u65f6\uff0c\u624d\u80fd\u4f7f\u7528\u5916\u952e\u3002<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u53ea\u6709\u4e24\u5f20\u8868\u7684\u5173\u8054\u8fd8\u597d\uff0c\u4f46\u5982\u679c\u6709\u5341\u51e0\u5f20\u8868\u90fd\u5efa\u4e86\u5916\u952e\u5173\u8054\uff0c\u6bcf\u5220\u9664\u4e00\u6b21\u4e3b\u8868\uff0c\u90fd\u9700\u8981\u540c\u6b65\u5220\u9664\u5341\u51e0\u5f20\u5b50\u8868\uff0c\u5f88\u663e\u7136\u6027\u80fd\u4f1a\u975e\u5e38\u5dee\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u4e92\u8054\u7f51\u7cfb\u7edf\u4e2d\uff0c\u4e00\u822c\u5efa\u8bae\u4e0d\u4f7f\u7528\u5916\u952e\u3002\u56e0\u4e3a\u8fd9\u7c7b\u7cfb\u7edf\u66f4\u591a\u7684\u662f\u4e3a\u4e86\u6027\u80fd\u8003\u8651\uff0c\u5b81\u53ef\u727a\u7272\u4e00\u70b9\u6570\u636e\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9664\u4e86<code>\u5916\u952e<\/code>\u4e4b\u5916\uff0c<code>\u5b58\u50a8\u8fc7\u7a0b<\/code>\u548c<code>\u89e6\u53d1\u5668<\/code>\u4e5f\u4e0d\u592a\u5efa\u8bae\u4f7f\u7528\uff0c\u4ed6\u4eec\u90fd\u4f1a\u5f71\u54cd\u6027\u80fd\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\"><strong>9. \u7d22\u5f15<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5efa\u8868\u65f6\uff0c\u9664\u4e86\u6307\u5b9a<code>\u4e3b\u952e\u7d22\u5f15<\/code>\u4e4b\u5916\uff0c\u8fd8\u9700\u8981\u521b\u5efa\u4e00\u4e9b<code>\u666e\u901a\u7d22\u5f15<\/code>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>create&nbsp;table&nbsp;product_sku(<br>&nbsp;&nbsp;id&nbsp;int(10)&nbsp;primary&nbsp;key&nbsp;auto_increment,<br>&nbsp;&nbsp;spu_id&nbsp;int(10)&nbsp;not&nbsp;null,<br>&nbsp;&nbsp;brand_id&nbsp;int(10)&nbsp;not&nbsp;null,<br>&nbsp;&nbsp;name&nbsp;varchar(15)&nbsp;not&nbsp;null<br>);<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u521b\u5efa\u5546\u54c1\u8868\u65f6\uff0c\u4f7f\u7528spu_id\uff08\u5546\u54c1\u7ec4\u8868\uff09\u548cbrand_id\uff08\u54c1\u724c\u8868\uff09\u7684id\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u50cf\u8fd9\u7c7b\u4fdd\u5b58\u5176\u4ed6\u8868id\u7684\u60c5\u51b5\uff0c\u53ef\u4ee5\u589e\u52a0\u666e\u901a\u7d22\u5f15\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>create&nbsp;table&nbsp;product_sku&nbsp;(<br>&nbsp;&nbsp;id&nbsp;int(10)&nbsp;primary&nbsp;key&nbsp;auto_increment,<br>&nbsp;&nbsp;spu_id&nbsp;int(10)&nbsp;not&nbsp;null,<br>&nbsp;&nbsp;brand_id&nbsp;int(10)&nbsp;not&nbsp;null,<br>&nbsp;&nbsp;name&nbsp;varchar(15)&nbsp;not&nbsp;null,<br>&nbsp;&nbsp;KEY&nbsp;`ix_spu_id`&nbsp;(`spu_id`)&nbsp;USING&nbsp;BTREE,<br>&nbsp;&nbsp;KEY&nbsp;`ix_brand_id`&nbsp;(`brand_id`)&nbsp;USING&nbsp;BTREE<br>);<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u540e\u9762\u67e5\u8868\u7684\u65f6\u5019\uff0c\u6548\u7387\u66f4\u9ad8\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u7d22\u5f15\u5b57\u6bb5\u4e5f\u4e0d\u80fd\u5efa\u7684\u592a\u591a\uff0c\u53ef\u80fd\u4f1a\u5f71\u54cd\u4fdd\u5b58\u6570\u636e\u7684\u6548\u7387\uff0c\u56e0\u4e3a\u7d22\u5f15\u9700\u8981\u989d\u5916\u7684\u5b58\u50a8\u7a7a\u95f4\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5efa\u8bae\u5355\u8868\u7684\u7d22\u5f15\u4e2a\u6570\u4e0d\u8981\u8d85\u8fc7\uff1a<code>5<\/code>\u4e2a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u5728\u5efa\u8868\u65f6\uff0c\u53d1\u73b0\u7d22\u5f15\u4e2a\u6570\u8d85\u8fc75\u4e2a\u4e86\uff0c\u53ef\u4ee5\u5220\u9664\u90e8\u5206<code>\u666e\u901a\u7d22\u5f15<\/code>\uff0c\u6539\u6210<code>\u8054\u5408\u7d22\u5f15<\/code>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u987a\u4fbf\u8bf4\u4e00\u53e5\uff1a\u5728\u521b\u5efa\u8054\u5408\u7d22\u5f15\u7684\u65f6\u5019\uff0c\u9700\u8981\u4f7f\u7528\u6ce8\u610f<code>\u6700\u5de6\u5339\u914d\u539f\u5219<\/code>\uff0c\u4e0d\u7136\uff0c\u5efa\u7684\u8054\u5408\u7d22\u5f15\u6548\u7387\u53ef\u80fd\u4e0d\u9ad8\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u6570\u636e\u91cd\u590d\u7387\u975e\u5e38\u9ad8\u7684\u5b57\u6bb5\uff0c\u6bd4\u5982\uff1a\u72b6\u6001\uff0c\u4e0d\u5efa\u8bae\u5355\u72ec\u521b\u5efa\u666e\u901a\u7d22\u5f15\u3002\u56e0\u4e3a\u5373\u4f7f\u52a0\u4e86\u7d22\u5f15\uff0c\u5982\u679cmysql\u53d1\u73b0<code>\u5168\u8868\u626b\u63cf<\/code>\u6548\u7387\u66f4\u9ad8\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u7d22\u5f15\u5931\u6548\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4f60\u5bf9\u7d22\u5f15\u5931\u6548\u95ee\u9898\u6bd4\u8f83\u611f\u5174\u8da3\uff0c\u53ef\u4ee5\u770b\u770b\u6211\u7684\u53e6\u4e00\u7bc7\u6587\u7ae0\u300a<a href=\"https:\/\/mp.weixin.qq.com\/s?__biz=MzkwNjMwMTgzMQ==&amp;mid=2247491626&amp;idx=1&amp;sn=18fc949c06f04fe8f4c29b6fc5c66f9c&amp;chksm=c0e838c2f79fb1d45c6f9b2ab188bb4663414690bab0718a7d46beb875e6b83e5e67ec27d2ff&amp;token=660773166&amp;lang=zh_CN&amp;scene=21#wechat_redirect\">\u804a\u804a\u7d22\u5f15\u5931\u6548\u768410\u79cd\u573a\u666f\uff0c\u592a\u5751\u4e86<\/a>\u300b\uff0c\u91cc\u9762\u6709\u975e\u5e38\u8be6\u7ec6\u7684\u4ecb\u7ecd\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\"><strong>10.\u65f6\u95f4\u5b57\u6bb5<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\u65f6\u95f4\u5b57\u6bb5<\/code>\u7684\u7c7b\u578b\uff0c\u6211\u4eec\u53ef\u4ee5\u9009\u62e9\u7684\u8303\u56f4\u8fd8\u662f\u6bd4\u8f83\u591a\u7684\uff0c\u76ee\u524dmysql\u652f\u6301\uff1adate\u3001datetime\u3001timestamp\u3001varchar\u7b49\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>varchar<\/code>\u7c7b\u578b\u53ef\u80fd\u662f\u4e3a\u4e86\u8ddf\u63a5\u53e3\u4fdd\u6301\u4e00\u81f4\uff0c\u63a5\u53e3\u4e2d\u7684\u65f6\u95f4\u7c7b\u578b\u662fString\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u5982\u679c\u54ea\u5929\u6211\u4eec\u8981\u901a\u8fc7\u65f6\u95f4\u8303\u56f4\u67e5\u8be2\u6570\u636e\uff0c\u6548\u7387\u4f1a\u975e\u5e38\u4f4e\uff0c\u56e0\u4e3a\u8fd9\u79cd\u60c5\u51b5\u6ca1\u6cd5\u8d70\u7d22\u5f15\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>date<\/code>\u7c7b\u578b\u4e3b\u8981\u662f\u4e3a\u4e86\u4fdd\u5b58<code>\u65e5\u671f<\/code>\uff0c\u6bd4\u5982\uff1a2020-08-20\uff0c\u4e0d\u9002\u5408\u4fdd\u5b58<code>\u65e5\u671f\u548c\u65f6\u95f4<\/code>\uff0c\u6bd4\u5982\uff1a2020-08-20 12:12:20\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u800c<code>datetime<\/code>\u548c<code>timestamp<\/code>\u7c7b\u578b\u66f4\u9002\u5408\u6211\u4eec\u4fdd\u5b58<code>\u65e5\u671f\u548c\u65f6\u95f4<\/code>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u5b83\u4eec\u6709\u7565\u5fae\u533a\u522b\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>timestamp<\/code>\uff1a\u75284\u4e2a\u5b57\u8282\u6765\u4fdd\u5b58\u6570\u636e\uff0c\u5b83\u7684\u53d6\u503c\u8303\u56f4\u4e3a<code>1970-01-01 00:00:01<\/code>\u00a0UTC ~\u00a0<code>2038-01-19 03:14:07<\/code>\u3002\u6b64\u5916\uff0c\u5b83\u8fd8\u8ddf\u65f6\u533a\u6709\u5173\u3002<\/li>\n\n\n\n<li><code>datetime<\/code>\uff1a\u75288\u4e2a\u5b57\u8282\u6765\u4fdd\u5b58\u6570\u636e\uff0c\u5b83\u7684\u53d6\u503c\u8303\u56f4\u4e3a<code>1000-01-01 00:00:00<\/code>\u00a0~\u00a0<code>9999-12-31 23:59:59<\/code>\u3002\u5b83\u8ddf\u65f6\u533a\u65e0\u5173\u3002<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f18\u5148\u63a8\u8350\u4f7f\u7528<code>datetime<\/code>\u7c7b\u578b\u4fdd\u5b58\u65e5\u671f\u548c\u65f6\u95f4\uff0c\u53ef\u4ee5\u4fdd\u5b58\u7684\u65f6\u95f4\u8303\u56f4\u66f4\u5927\u4e00\u4e9b\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u6e29\u99a8\u63d0\u9192\u4e00\u4e0b\uff0c\u5728\u7ed9\u65f6\u95f4\u5b57\u6bb5\u8bbe\u7f6e\u9ed8\u8ba4\u503c\u662f\uff0c\u5efa\u8bae\u4e0d\u8981\u8bbe\u7f6e\u6210\uff1a<code>0000-00-00 00:00:00<\/code>\uff0c\u4e0d\u7136\u67e5\u8be2\u8868\u65f6\u53ef\u80fd\u4f1a\u56e0\u4e3a\u8f6c\u6362\u4e0d\u4e86\uff0c\u800c\u76f4\u63a5\u62a5\u9519\u3002<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\"><strong>11.\u91d1\u989d\u5b57\u6bb5<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">mysql\u4e2d\u6709\u591a\u4e2a\u5b57\u6bb5\u53ef\u4ee5\u8868\u793a\u6d6e\u70b9\u6570\uff1afloat\u3001double\u3001decimal\u7b49\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u800c<code>float<\/code>\u548c<code>double<\/code>\u53ef\u80fd\u4f1a\u4e22\u5931\u7cbe\u5ea6\uff0c\u56e0\u6b64\u63a8\u8350\u5927\u5bb6\u4f7f\u7528<code>decimal<\/code>\u7c7b\u578b\u4fdd\u5b58\u91d1\u989d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u822c\u6211\u4eec\u662f\u8fd9\u6837\u5b9a\u4e49\u6d6e\u70b9\u6570\u7684\uff1adecimal(m,n)\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d<code>n<\/code>\u662f\u6307<code>\u5c0f\u6570<\/code>\u7684\u957f\u5ea6\uff0c\u800c<code>m<\/code>\u662f\u6307<code>\u6574\u6570\u52a0\u5c0f\u6570<\/code>\u7684\u603b\u957f\u5ea6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u5982\u6211\u4eec\u5b9a\u4e49\u7684\u91d1\u989d\u7c7b\u578b\u662f\u8fd9\u6837\u7684\uff1adecimal(10,2)\uff0c\u5219\u8868\u793a\u6574\u6570\u957f\u5ea6\u662f8\u4f4d\uff0c\u5e76\u4e14\u4fdd\u75592\u4f4d\u5c0f\u6570\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\"><strong>12. json\u5b57\u6bb5<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u5728\u8bbe\u8ba1\u8868\u7ed3\u6784\u65f6\uff0c\u7ecf\u5e38\u4f1a\u9047\u5230\u67d0\u4e2a\u5b57\u6bb5\u4fdd\u5b58\u7684\u6570\u636e\u503c\u4e0d\u56fa\u5b9a\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u6bd4\u5982\uff1a\u505a\u5f02\u6b65excel\u5bfc\u51fa\u529f\u80fd\u65f6\uff0c\u9700\u8981\u5728\u5f02\u6b65\u4efb\u52a1\u8868\u4e2d\u52a0\u4e00\u4e2a\u5b57\u6bb5\uff0c\u4fdd\u5b58\u7528\u6237\u901a\u8fc7\u524d\u7aef\u9875\u9762\u9009\u62e9\u7684\u67e5\u8be2\u6761\u4ef6\uff0c\u6bcf\u4e2a\u7528\u6237\u7684\u67e5\u8be2\u6761\u4ef6\u53ef\u80fd\u90fd\u4e0d\u4e00\u6837\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u79cd\u4e1a\u52a1\u573a\u666f\uff0c\u4f7f\u7528\u4f20\u7edf\u7684\u6570\u636e\u5e93\u5b57\u6bb5\uff0c\u4e0d\u592a\u597d\u5b9e\u73b0\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u65f6\u5019\u5c31\u53ef\u4ee5\u4f7f\u7528MySQL\u7684json\u5b57\u6bb5\u7c7b\u578b\u4e86\uff0c\u53ef\u4ee5\u4fdd\u5b58json\u683c\u5f0f\u7684\u7ed3\u6784\u5316\u6570\u636e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4fdd\u5b58\u548c\u67e5\u8be2\u6570\u636e\u90fd\u662f\u975e\u5e38\u65b9\u4fbf\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">MySQL\u8fd8\u652f\u6301\u6309\u5b57\u6bb5\u540d\u79f0\u6216\u8005\u5b57\u6bb5\u503c\uff0c\u67e5\u8be2json\u4e2d\u7684\u6570\u636e\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>13.\u552f\u4e00\u7d22\u5f15<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><code>\u552f\u4e00\u7d22\u5f15<\/code>\u5728\u6211\u4eec\u5b9e\u9645\u5de5\u4f5c\u4e2d\uff0c\u4f7f\u7528\u9891\u7387\u76f8\u5f53\u9ad8\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f60\u53ef\u4ee5\u7ed9\u5355\u4e2a\u5b57\u6bb5\uff0c\u52a0\u552f\u4e00\u7d22\u5f15\uff0c\u6bd4\u5982\uff1a\u7ec4\u7ec7\u673a\u6784code\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e5f\u53ef\u4ee5\u7ed9\u591a\u4e2a\u5b57\u6bb5\uff0c\u52a0\u4e00\u4e2a\u8054\u5408\u7684\u552f\u4e00\u7d22\u5f15\uff0c\u6bd4\u5982\uff1a\u5206\u7c7b\u7f16\u53f7\u3001\u5355\u4f4d\u3001\u89c4\u683c\u7b49\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5355\u4e2a\u7684\u552f\u4e00\u7d22\u5f15\u8fd8\u597d\uff0c\u4f46\u5982\u679c\u662f\u8054\u5408\u7684\u552f\u4e00\u7d22\u5f15\uff0c\u5b57\u6bb5\u503c\u51fa\u73b0null\u65f6\uff0c\u5219\u552f\u4e00\u6027\u7ea6\u675f\u53ef\u80fd\u4f1a\u5931\u6548\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5173\u4e8e\u552f\u4e00\u7d22\u5f15\u5931\u6548\u7684\u95ee\u9898\uff0c\u611f\u5174\u8da3\u7684\u5c0f\u4f19\u4f34\u53ef\u4ee5\u770b\u770b\u6211\u7684\u53e6\u4e00\u7bc7\u6587\u7ae0\u300a<a href=\"https:\/\/mp.weixin.qq.com\/s?__biz=MzkwNjMwMTgzMQ==&amp;mid=2247497090&amp;idx=1&amp;sn=53b81535a9815853382c3a4bff8c844b&amp;chksm=c0e82d6af79fa47ccfece23a8b0ad46ef6c647f1d2f961823eed181732c47e250ed0cbcfe6fd&amp;token=1169141359&amp;lang=zh_CN&amp;scene=21#wechat_redirect\">\u660e\u660e\u52a0\u4e86\u552f\u4e00\u7d22\u5f15\uff0c\u4e3a\u4ec0\u4e48\u8fd8\u662f\u4ea7\u751f\u91cd\u590d\u6570\u636e\uff1f<\/a>\u300b\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u521b\u5efa\u552f\u4e00\u7d22\u5f15\u65f6\uff0c\u76f8\u5173\u5b57\u6bb5\u4e00\u5b9a\u4e0d\u80fd\u5305\u542bnull\u503c\uff0c\u5426\u5219\u552f\u4e00\u6027\u4f1a\u5931\u6548\u3002<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\"><strong>14.\u5b57\u7b26\u96c6<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">mysql\u4e2d\u652f\u6301\u7684<code>\u5b57\u7b26\u96c6<\/code>\u6709\u5f88\u591a\uff0c\u5e38\u7528\u7684\u6709\uff1alatin1\u3001utf-8\u3001utf8mb4\u3001GBK\u7b49\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd94\u79cd\u5b57\u7b26\u96c6\u60c5\u51b5\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"247\" src=\"http:\/\/www.dama.org.cn\/wordpress\/wp-content\/uploads\/2024\/04\/image-35.png\" alt=\"\" class=\"wp-image-3839\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><code>latin1<\/code>\u5bb9\u6613\u51fa\u73b0\u4e71\u7801\u95ee\u9898\uff0c\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u4f7f\u7528\u6bd4\u8f83\u5c11\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u800c<code>GBK<\/code>\u652f\u6301\u4e2d\u6587\uff0c\u4f46\u4e0d\u652f\u6301\u56fd\u9645\u901a\u7528\u5b57\u7b26\uff0c\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\u4f7f\u7528\u4e5f\u4e0d\u591a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u76ee\u524d\u6765\u770b\uff0cmysql\u7684\u5b57\u7b26\u96c6\u4f7f\u7528\u6700\u591a\u7684\u8fd8\u662f\uff1a<code>utf-8<\/code>\u548c<code>utf8mb4<\/code>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2d<code>utf-8<\/code>\u5360\u75283\u4e2a\u5b57\u8282\uff0c\u6bd4<code>utf8mb4<\/code>\u76844\u4e2a\u5b57\u8282\uff0c\u5360\u7528\u66f4\u5c0f\u7684\u5b58\u50a8\u7a7a\u95f4\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46utf-8\u6709\u4e2a\u95ee\u9898\uff1a\u5373\u65e0\u6cd5\u5b58\u50a8emoji\u8868\u60c5\uff0c\u56e0\u4e3aemoji\u8868\u60c5\u4e00\u822c\u9700\u89814\u4e2a\u5b57\u8282\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7531\u6b64\uff0c\u4f7f\u7528utf-8\u5b57\u7b26\u96c6\uff0c\u4fdd\u5b58emoji\u8868\u60c5\u65f6\uff0c\u6570\u636e\u5e93\u4f1a\u76f4\u63a5\u62a5\u9519\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u4ee5\uff0c\u5efa\u8bae\u5728\u5efa\u8868\u65f6\u5b57\u7b26\u96c6\u8bbe\u7f6e\u6210\uff1a<code>utf8mb4<\/code>\uff0c\u4f1a\u7701\u53bb\u5f88\u591a\u4e0d\u5fc5\u8981\u7684\u9ebb\u70e6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\"><strong>15. \u6392\u5e8f\u89c4\u5219<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u77e5\u9053\uff0c\u4f60\u5173\u6ce8\u8fc7\u6ca1\uff0c\u5728mysql\u4e2d\u521b\u5efa\u8868\u65f6\uff0c\u6709\u4e2a<code>COLLATE<\/code>\u53c2\u6570\u53ef\u4ee5\u8bbe\u7f6e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>CREATE&nbsp;TABLE&nbsp;`order`&nbsp;(<br>&nbsp;&nbsp;`id`&nbsp;bigint&nbsp;NOT&nbsp;NULL&nbsp;AUTO_INCREMENT,<br>&nbsp;&nbsp;`code`&nbsp;varchar(20)&nbsp;COLLATE&nbsp;utf8mb4_bin&nbsp;NOT&nbsp;NULL,<br>&nbsp;&nbsp;`name`&nbsp;varchar(30)&nbsp;COLLATE&nbsp;utf8mb4_bin&nbsp;NOT&nbsp;NULL,<br>&nbsp;&nbsp;PRIMARY&nbsp;KEY&nbsp;(`id`),<br>&nbsp;&nbsp;UNIQUE&nbsp;KEY&nbsp;`un_code`&nbsp;(`code`),<br>&nbsp;&nbsp;KEY&nbsp;`un_code_name`&nbsp;(`code`,`name`)&nbsp;USING&nbsp;BTREE,<br>&nbsp;&nbsp;KEY&nbsp;`idx_name`&nbsp;(`name`)<br>)&nbsp;ENGINE=InnoDB&nbsp;AUTO_INCREMENT=5&nbsp;DEFAULT&nbsp;CHARSET=utf8mb4&nbsp;COLLATE=utf8mb4_bin<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b83\u662f\u7528\u6765\u8bbe\u7f6e<code>\u6392\u5e8f\u89c4\u5219<\/code>\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b57\u7b26\u6392\u5e8f\u89c4\u5219\u8ddf\u5b57\u7b26\u96c6\u6709\u5173\uff0c\u6bd4\u5982\uff1a\u5b57\u7b26\u96c6\u5982\u679c\u662f<code>utf8mb4<\/code>\uff0c\u5219\u5b57\u7b26\u6392\u5e8f\u89c4\u5219\u4e5f\u662f\u4ee5\uff1a<code>utf8mb4_<\/code>\u5f00\u5934\u7684\uff0c\u5e38\u7528\u7684\u6709\uff1a<code>utf8mb4_general_ci<\/code>\u3001<code>utf8mb4_bin<\/code>\u7b49\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u4e2dutf8mb4_general_ci\u6392\u5e8f\u89c4\u5219\uff0c\u5bf9\u5b57\u6bcd\u7684\u5927\u5c0f\u5199\u4e0d\u654f\u611f\u3002\u8bf4\u5f97\u66f4\u76f4\u767d\u4e00\u70b9\uff0c\u5c31\u662f\u4e0d\u533a\u5206\u5927\u5c0f\u5199\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u800cutf8mb4_bin\u6392\u5e8f\u89c4\u5219\uff0c\u5bf9\u5b57\u7b26\u5927\u5c0f\u5199\u654f\u611f\uff0c\u4e5f\u5c31\u662f\u533a\u5206\u5927\u5c0f\u5199\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bf4\u5b9e\u8bdd\uff0c\u8fd9\u4e00\u70b9\u8fd8\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5047\u5982order\u8868\u4e2d\u73b0\u5728\u6709\u4e00\u6761\u8bb0\u5f55\uff0cname\u7684\u503c\u662f\u5927\u5199\u7684YOYO\uff0c\u4f46\u6211\u4eec\u7528\u5c0f\u5199\u7684yoyo\u53bb\u67e5\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>select&nbsp;*&nbsp;from&nbsp;order&nbsp;where&nbsp;name='yoyo';<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u5b57\u7b26\u6392\u5e8f\u89c4\u5219\u662futf8mb4_general_ci\uff0c\u5219\u53ef\u4ee5\u67e5\u51fa\u5927\u5199\u7684YOYO\u7684\u90a3\u6761\u6570\u636e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u5b57\u7b26\u6392\u5e8f\u89c4\u5219\u662futf8mb4_bin\uff0c\u5219\u67e5\u4e0d\u51fa\u6765\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7531\u6b64\uff0c\u5b57\u7b26\u6392\u5e8f\u89c4\u5219\u4e00\u5b9a\u8981\u6839\u636e\u5b9e\u9645\u7684\u4e1a\u52a1\u573a\u666f\u9009\u62e9\uff0c\u5426\u5219\u5bb9\u6613\u51fa\u73b0\u95ee\u9898\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\"><strong>16.\u5927\u5b57\u6bb5<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u5728\u521b\u5efa\u8868\u65f6\uff0c\u5bf9\u4e00\u4e9b\u7279\u6b8a\u5b57\u6bb5\uff0c\u8981\u989d\u5916\u5173\u6ce8\uff0c\u6bd4\u5982\uff1a<code>\u5927\u5b57\u6bb5<\/code>\uff0c\u5373\u5360\u7528\u8f83\u591a\u5b58\u50a8\u7a7a\u95f4\u7684\u5b57\u6bb5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bd4\u5982\uff1a\u7528\u6237\u7684\u8bc4\u8bba\uff0c\u8fd9\u5c31\u5c5e\u4e8e\u4e00\u4e2a\u5927\u5b57\u6bb5\uff0c\u4f46\u8fd9\u4e2a\u5b57\u6bb5\u53ef\u957f\u53ef\u77ed\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u4e00\u822c\u4f1a\u5bf9\u8bc4\u8bba\u7684\u603b\u957f\u5ea6\u505a\u9650\u5236\uff0c\u6bd4\u5982\uff1a\u6700\u591a\u5141\u8bb8\u8f93\u5165500\u4e2a\u5b57\u7b26\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u76f4\u63a5\u5b9a\u4e49\u6210<code>text<\/code>\u7c7b\u578b\uff0c\u53ef\u80fd\u4f1a\u6d6a\u8d39\u5b58\u50a8\u7a7a\u95f4\uff0c\u6240\u4ee5\u5efa\u8bae\u5c06\u8fd9\u7c7b\u5b57\u6bb5\u5b9a\u4e49\u6210<code>varchar<\/code>\u7c7b\u578b\u7684\u5b58\u50a8\u6548\u7387\u66f4\u9ad8\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u7136\uff0c\u6211\u8fd8\u89c1\u8fc7\u66f4\u5927\u7684\u5b57\u6bb5\uff0c\u5373\u8be5\u5b57\u6bb5\u76f4\u63a5\u4fdd\u5b58\u5408\u540c\u6570\u636e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u5408\u540c\u53ef\u80fd\u4f1a\u5360<code>\u51e0Mb<\/code>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728mysql\u4e2d\u4fdd\u5b58\u8fd9\u79cd\u6570\u636e\uff0c\u4ece\u7cfb\u7edf\u8bbe\u8ba1\u7684\u89d2\u5ea6\u6765\u8bf4\uff0c\u672c\u8eab\u5c31\u4e0d\u592a\u5408\u7406\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u50cf\u5408\u540c\u8fd9\u79cd\u975e\u5e38\u5927\u7684\u6570\u636e\uff0c\u53ef\u4ee5\u4fdd\u5b58\u5230<code>mongodb<\/code>\u4e2d\uff0c\u7136\u540e\u5728mysql\u7684\u4e1a\u52a1\u8868\u4e2d\uff0c\u4fdd\u5b58mongodb\u8868\u7684id\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\"><strong>17.\u5197\u4f59\u5b57\u6bb5<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u5728\u8bbe\u8ba1\u8868\u7684\u65f6\u5019\uff0c\u4e3a\u4e86\u6027\u80fd\u8003\u8651\uff0c\u63d0\u5347\u67e5\u8be2\u901f\u5ea6\uff0c\u6709\u65f6\u53ef\u4ee5\u5197\u4f59\u4e00\u4e9b\u5b57\u6bb5\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u6bd4\u5982\uff1a\u8ba2\u5355\u8868\u4e2d\u4e00\u822c\u4f1a\u6709userId\u5b57\u6bb5\uff0c\u7528\u6765\u8bb0\u5f55\u7528\u6237\u7684\u552f\u4e00\u6807\u8bc6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u5f88\u591a\u8ba2\u5355\u7684\u67e5\u8be2\u9875\u9762\uff0c\u6216\u8005\u8ba2\u5355\u7684\u660e\u7ec6\u9875\u9762\uff0c\u9664\u4e86\u9700\u8981\u663e\u793a\u8ba2\u5355\u4fe1\u606f\u4e4b\u5916\uff0c\u8fd8\u9700\u8981\u663e\u793a\u7528\u6237ID\u548c\u7528\u6237\u540d\u79f0\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u8ba2\u5355\u8868\u548c\u7528\u6237\u8868\u7684\u6570\u636e\u91cf\u4e0d\u591a\uff0c\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u7528userId\uff0c\u5c06\u8fd9\u4e24\u5f20\u8868join\u8d77\u6765\uff0c\u67e5\u8be2\u51fa\u7528\u6237\u540d\u79f0\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u5982\u679c\u8ba2\u5355\u8868\u548c\u7528\u6237\u8868\u7684\u6570\u636e\u91cf\u90fd\u975e\u5e38\u591a\uff0c\u8fd9\u6837join\u662f\u6bd4\u8f83\u6d88\u8017\u67e5\u8be2\u6027\u80fd\u7684\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u65f6\u5019\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5197\u4f59\u5b57\u6bb5\u7684\u65b9\u6848\uff0c\u6765\u89e3\u51b3\u6027\u80fd\u95ee\u9898\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u53ef\u4ee5\u5728\u8ba2\u5355\u8868\u4e2d\uff0c\u53ef\u4ee5\u518d\u52a0\u4e00\u4e2auserName\u5b57\u6bb5\uff0c\u5728\u7cfb\u7edf\u521b\u5efa\u8ba2\u5355\u65f6\uff0c\u5c06userId\u548cuserName\u540c\u65f6\u5199\u503c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u7136\u8ba2\u5355\u8868\u4e2d\u5386\u53f2\u6570\u636e\u7684userName\u662f\u7a7a\u7684\uff0c\u53ef\u4ee5\u5237\u4e00\u4e0b\u5386\u53f2\u6570\u636e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6837\u8c03\u6574\u4e4b\u540e\uff0c\u540e\u9762\u53ea\u9700\u8981\u67e5\u8be2\u8ba2\u5355\u8868\uff0c\u5373\u53ef\u67e5\u8be2\u51fa\u6211\u4eec\u6240\u9700\u8981\u7684\u6570\u636e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u8fc7\u5197\u4f59\u5b57\u6bb5\u7684\u65b9\u6848\uff0c\u6709\u5229\u4e5f\u6709\u5f0a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u67e5\u8be2\u6027\u80fd\u6709\u5229\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u9700\u8981\u989d\u5916\u7684\u5b58\u50a8\u7a7a\u95f4\uff0c\u8fd8\u53ef\u80fd\u4f1a\u6709\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\uff0c\u6bd4\u5982\u7528\u6237\u540d\u79f0\u4fee\u6539\u4e86\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u5728\u5b9e\u9645\u4e1a\u52a1\u573a\u666f\u4e2d\uff0c\u9700\u8981\u7efc\u5408\u8bc4\u4f30\uff0c\u5197\u4f59\u5b57\u6bb5\u65b9\u6848\u4e0d\u9002\u7528\u4e8e\u6240\u6709\u4e1a\u52a1\u573a\u666f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\"><strong>18.\u6ce8\u91ca<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u5728\u505a\u8868\u8bbe\u8ba1\u7684\u65f6\u5019\uff0c\u4e00\u5b9a\u8981\u628a\u8868\u548c\u76f8\u5173\u5b57\u6bb5\u7684\u6ce8\u91ca\u52a0\u597d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u5982\u4e0b\u9762\u8fd9\u6837\u7684\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>CREATE&nbsp;TABLE&nbsp;`sys_dept`&nbsp;(<br>&nbsp;&nbsp;`id`&nbsp;bigint&nbsp;NOT&nbsp;NULL&nbsp;AUTO_INCREMENT&nbsp;COMMENT&nbsp;'ID',<br>&nbsp;&nbsp;`name`&nbsp;varchar(30)&nbsp;NOT&nbsp;NULL&nbsp;COMMENT&nbsp;'\u540d\u79f0',<br>&nbsp;&nbsp;`pid`&nbsp;bigint&nbsp;NOT&nbsp;NULL&nbsp;COMMENT&nbsp;'\u4e0a\u7ea7\u90e8\u95e8',<br>&nbsp;&nbsp;`valid_status`&nbsp;tinyint(1)&nbsp;NOT&nbsp;NULL&nbsp;DEFAULT&nbsp;1&nbsp;COMMENT&nbsp;'\u6709\u6548\u72b6\u6001&nbsp;1:\u6709\u6548&nbsp;0:\u65e0\u6548',<br>&nbsp;&nbsp;`create_user_id`&nbsp;bigint&nbsp;NOT&nbsp;NULL&nbsp;COMMENT&nbsp;'\u521b\u5efa\u4ebaID',<br>&nbsp;&nbsp;`create_user_name`&nbsp;varchar(30)&nbsp;NOT&nbsp;NULL&nbsp;COMMENT&nbsp;'\u521b\u5efa\u4eba\u540d\u79f0',<br>&nbsp;&nbsp;`create_time`&nbsp;datetime(3)&nbsp;DEFAULT&nbsp;NULL&nbsp;COMMENT&nbsp;'\u521b\u5efa\u65e5\u671f',<br>&nbsp;&nbsp;`update_user_id`&nbsp;bigint&nbsp;DEFAULT&nbsp;NULL&nbsp;COMMENT&nbsp;'\u4fee\u6539\u4ebaID',<br>&nbsp;&nbsp;`update_user_name`&nbsp;varchar(30)&nbsp;&nbsp;DEFAULT&nbsp;NULL&nbsp;COMMENT&nbsp;'\u4fee\u6539\u4eba\u540d\u79f0',<br>&nbsp;&nbsp;`update_time`&nbsp;datetime(3)&nbsp;DEFAULT&nbsp;NULL&nbsp;COMMENT&nbsp;'\u4fee\u6539\u65f6\u95f4',<br>&nbsp;&nbsp;`is_del`&nbsp;tinyint(1)&nbsp;DEFAULT&nbsp;'0'&nbsp;COMMENT&nbsp;'\u662f\u5426\u5220\u9664&nbsp;1\uff1a\u5df2\u5220\u9664&nbsp;0\uff1a\u672a\u5220\u9664',<br>&nbsp;&nbsp;PRIMARY&nbsp;KEY&nbsp;(`id`)&nbsp;USING&nbsp;BTREE,<br>&nbsp;&nbsp;KEY&nbsp;`index_pid`&nbsp;(`pid`)&nbsp;USING&nbsp;BTREE<br>)&nbsp;ENGINE=InnoDB&nbsp;AUTO_INCREMENT=1&nbsp;DEFAULT&nbsp;CHARSET=utf8mb4&nbsp;COMMENT='\u90e8\u95e8';<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8868\u548c\u5b57\u6bb5\u7684\u6ce8\u91ca\uff0c\u90fd\u5217\u4e3e\u7684\u975e\u5e38\u8be6\u7ec6\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7279\u522b\u662f\u6709\u4e9b\u72b6\u6001\u7c7b\u578b\u7684\u5b57\u6bb5\uff0c\u6bd4\u5982\uff1avalid_status\u5b57\u6bb5\uff0c\u8be5\u5b57\u6bb5\u8868\u793a\u6709\u6548\u72b6\u6001\uff0c 1:\u6709\u6548 0:\u65e0\u6548\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8ba9\u4eba\u53ef\u4ee5\u4e00\u76ee\u4e86\u7136\uff0c\u8868\u548c\u5b57\u6bb5\u662f\u5e72\u4ec0\u4e48\u7528\u7684\uff0c\u5b57\u6bb5\u7684\u503c\u53ef\u80fd\u6709\u54ea\u4e9b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u6015\u7684\u60c5\u51b5\u662f\uff0c\u4f60\u5728\u8868\u4e2d\u521b\u5efa\u4e86\u5f88\u591astatus\u5b57\u6bb5\uff0c\u6bcf\u4e2a\u5b57\u6bb5\u90fd\u67091\u30012\u30013\u30014\u30015\u30016\u30017\u30018\u30019\u7b49\u591a\u4e2a\u503c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6ca1\u6709\u5199\u4ec0\u4e48\u6ce8\u91ca\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8c01\u90fd\u4e0d\u77e5\u90531\u4ee3\u8868\u4ec0\u4e48\u542b\u4e49\uff0c2\u4ee3\u8868\u4ec0\u4e48\u542b\u4e49\uff0c3\u4ee3\u8868\u4ec0\u4e48\u542b\u4e49\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u80fd\u521a\u5f00\u59cb\u4f60\u8fd8\u8bb0\u5f97\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u7cfb\u7edf\u4e0a\u7ebf\u4f7f\u7528\u4e00\u5e74\u534a\u8f7d\u4e4b\u540e\uff0c\u53ef\u80fd\u8fde\u4f60\u81ea\u5df1\u4e5f\u5fd8\u8bb0\u4e86\u8fd9\u4e9bstatus\u5b57\u6bb5\uff0c\u6bcf\u4e2a\u503c\u7684\u5177\u4f53\u542b\u4e49\u4e86\uff0c\u57cb\u4e0b\u4e86\u4e00\u4e2a\u5de8\u5751\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7531\u6b64\uff0c\u6211\u4eec\u5728\u505a\u8868\u8bbe\u8ba1\u65f6\uff0c\u4e00\u5b9a\u8981\u5199\u597d\u76f8\u5173\u7684\u6ce8\u91ca\uff0c\u5e76\u4e14\u7ecf\u5e38\u9700\u8981\u66f4\u65b0\u8fd9\u4e9b\u6ce8\u91ca\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6587\u7ae0\u6765\u6e90\uff1a\u201c\u82cf\u4e09\u8bf4\u6280\u672f\u201d\u5fae\u4fe1\u516c\u4f17\u53f7<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u8a00 \u5bf9\u4e8e\u540e\u7aef\u5f00\u53d1\u540c\u5b66\u6765\u8bf4\uff0c\u8bbf\u95ee\u6570\u636e\u5e93\uff0c &hellip;<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15],"tags":[],"class_list":["post-3837","post","type-post","status-publish","format-standard","hentry","category-15"],"_links":{"self":[{"href":"https:\/\/www.dama.org.cn\/wordpress\/wp-json\/wp\/v2\/posts\/3837","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dama.org.cn\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dama.org.cn\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dama.org.cn\/wordpress\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dama.org.cn\/wordpress\/wp-json\/wp\/v2\/comments?post=3837"}],"version-history":[{"count":1,"href":"https:\/\/www.dama.org.cn\/wordpress\/wp-json\/wp\/v2\/posts\/3837\/revisions"}],"predecessor-version":[{"id":3840,"href":"https:\/\/www.dama.org.cn\/wordpress\/wp-json\/wp\/v2\/posts\/3837\/revisions\/3840"}],"wp:attachment":[{"href":"https:\/\/www.dama.org.cn\/wordpress\/wp-json\/wp\/v2\/media?parent=3837"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dama.org.cn\/wordpress\/wp-json\/wp\/v2\/categories?post=3837"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dama.org.cn\/wordpress\/wp-json\/wp\/v2\/tags?post=3837"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}