{"id":199740,"date":"2025-05-06T09:11:57","date_gmt":"2025-05-06T01:11:57","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199740\/"},"modified":"2025-05-06T09:11:57","modified_gmt":"2025-05-06T01:11:57","slug":"%e5%af%b9mysql%e8%bf%9b%e8%a1%8c%e6%97%b6%e9%97%b4%e8%8c%83%e5%9b%b4%e6%af%94%e8%be%83%ef%bc%9a%e6%a1%88%e4%be%8b%e5%92%8c%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199740\/","title":{"rendered":"\u5bf9MySQL\u8fdb\u884c\u65f6\u95f4\u8303\u56f4\u6bd4\u8f83\uff1a\u6848\u4f8b\u548c\u5206\u6790"},"content":{"rendered":"

<\/b> <\/p>\n

\u5bf9MySQL\u8fdb\u884c\u65f6\u95f4\u8303\u56f4\u6bd4\u8f83\uff1a\u6848\u4f8b\u548c\u5206\u6790<\/h1>\n

\u4e3b\u673a\u5b9d\u8d1d\u4eca\u5929\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4ee5\u4e0b\u5185\u5bb9\u5c06\u4f1a\u6d89\u53ca\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u662f\u6b63\u5728\u5b66\u4e60\u6216\u8005\u5df2\u7ecf\u662f\u5927\u4f6c\u7ea7\u522b\u4e86\uff0c\u90fd\u975e\u5e38\u6b22\u8fce\u4e5f\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u7ed9\u6211\u5efa\u8bae\u8bc4\u8bba\u54c8~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff01<\/p>\n

MySQL\u662f\u4e00\u79cd\u5e38\u7528\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u7528\u4e8e\u5b58\u50a8\u548c\u7ba1\u7406\u6570\u636e\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u7ecf\u5e38\u4f1a\u6d89\u53ca\u5230\u5bf9\u65f6\u95f4\u8303\u56f4\u8fdb\u884c\u6bd4\u8f83\u548c\u7b5b\u9009\u7684\u64cd\u4f5c\u3002\u672c\u6587\u5c06\u4ece\u5b9e\u4f8b\u548c\u89e3\u6790\u4e24\u4e2a\u65b9\u9762\uff0c\u8be6\u7ec6\u4ecb\u7ecd\u5982\u4f55\u5728MySQL\u4e2d\u8fdb\u884c\u65f6\u95f4\u8303\u56f4\u6bd4\u8f83\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u5b9e\u4f8b<\/h2>\n

\u5047\u8bbe\u6709\u4e00\u5f20\u540d\u4e3aorders<\/code>\u7684\u8868\uff0c\u5b58\u50a8\u4e86\u8ba2\u5355\u4fe1\u606f\uff0c\u5176\u4e2d\u5305\u62ec\u8ba2\u5355\u53f7\u3001\u4e0b\u5355\u65f6\u95f4\u7b49\u5b57\u6bb5\u3002\u73b0\u5728\u6211\u4eec\u9700\u8981\u67e5\u8be2\u51fa\u8fc7\u53bb\u4e00\u5468\u5185\u7684\u8ba2\u5355\u6570\u636e\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u5b9e\u4f8b\uff1a<\/p>\n

SELECT *\nFROM orders\nWHERE order_time >= DATE_SUB(NOW(), INTERVAL 1 WEEK);<\/pre>\n
\u5728\u4e0a\u9762\u7684\u67e5\u8be2\u8bed\u53e5\u4e2d\uff0cNOW()<\/code>\u51fd\u6570\u7528\u4e8e\u83b7\u53d6\u5f53\u524d\u65f6\u95f4\uff0cDATE_SUB()<\/code>\u51fd\u6570\u7528\u4e8e\u51cf\u53bb\u4e00\u4e2a\u65f6\u95f4\u95f4\u9694\u3002\u901a\u8fc7\u8fd9\u4e2a\u67e5\u8be2\u8bed\u53e5\uff0c\u6211\u4eec\u53ef\u4ee5\u7b5b\u9009\u51fa\u5728\u8fc7\u53bb\u4e00\u5468\u5185\u4e0b\u5355\u7684\u6240\u6709\u8ba2\u5355\u6570\u636e\u3002<\/p>\n
\u89e3\u6790<\/h2>\n
    \n
  1. \u4f7f\u7528\u65e5\u671f\u548c\u65f6\u95f4\u51fd\u6570<\/strong><\/li>\n<\/ol>\n
    MySQL\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u65e5\u671f\u548c\u65f6\u95f4\u51fd\u6570\uff0c\u7528\u4e8e\u5904\u7406\u65f6\u95f4\u6570\u636e\uff0c\u6bd4\u5982NOW()<\/code>\u83b7\u53d6\u5f53\u524d\u65f6\u95f4\uff0cDATE_SUB()<\/code>\u7528\u4e8e\u51cf\u53bb\u65f6\u95f4\u95f4\u9694\uff0cDATE_ADD()<\/code>\u7528\u4e8e\u589e\u52a0\u65f6\u95f4\u95f4\u9694\u7b49\u3002\u8fd9\u4e9b\u51fd\u6570\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u8fdb\u884c\u65f6\u95f4\u8303\u56f4\u7684\u6bd4\u8f83\u548c\u8ba1\u7b97\u3002<\/p>\n
      \n
    1. \u65f6\u95f4\u6570\u636e\u7c7b\u578b<\/strong><\/li>\n<\/ol>\n
      \u5728MySQL\u4e2d\uff0c\u65f6\u95f4\u6570\u636e\u53ef\u4ee5\u4f7f\u7528DATE<\/code>\u3001TIME<\/code>\u3001DATETIME<\/code>\u3001TIMESTAMP<\/code>\u7b49\u7c7b\u578b\u6765\u8868\u793a\u3002\u5728\u8fdb\u884c\u65f6\u95f4\u8303\u56f4\u6bd4\u8f83\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u4f7f\u7528\u5408\u9002\u7684\u6570\u636e\u7c7b\u578b\uff0c\u5e76\u786e\u4fdd\u6570\u636e\u683c\u5f0f\u7684\u4e00\u81f4\u6027\u3002<\/p>\n
        \n
      1. \u65f6\u95f4\u8303\u56f4\u6bd4\u8f83\u7684\u6761\u4ef6<\/strong><\/li>\n<\/ol>\n
        \u65f6\u95f4\u8303\u56f4\u6bd4\u8f83\u901a\u5e38\u6d89\u53ca\u5230\u201c\u5927\u4e8e\u7b49\u4e8e\u201d\u3001\u201c\u5c0f\u4e8e\u7b49\u4e8e\u201d\u7b49\u6761\u4ef6\u3002\u5728\u7f16\u5199\u67e5\u8be2\u8bed\u53e5\u65f6\uff0c\u9700\u8981\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u6761\u4ef6\u6765\u7b5b\u9009\u51fa\u76ee\u6807\u6570\u636e\u3002<\/p>\n
          \n
        1. \u7d22\u5f15\u7684\u4f7f\u7528<\/strong><\/li>\n<\/ol>\n
          \u5982\u679c\u5bf9\u65f6\u95f4\u5b57\u6bb5\u8fdb\u884c\u9891\u7e41\u7684\u6bd4\u8f83\u64cd\u4f5c\uff0c\u53ef\u4ee5\u8003\u8651\u4e3a\u65f6\u95f4\u5b57\u6bb5\u521b\u5efa\u7d22\u5f15\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8be2\u6548\u7387\u3002\u901a\u8fc7\u4e3a\u65f6\u95f4\u5b57\u6bb5\u6dfb\u52a0\u7d22\u5f15\uff0c\u53ef\u4ee5\u52a0\u5feb\u67e5\u8be2\u901f\u5ea6\uff0c\u5e76\u4f18\u5316\u6570\u636e\u5e93\u6027\u80fd\u3002<\/p>\n
          \u7efc\u4e0a\u6240\u8ff0\uff0c\u901a\u8fc7\u5408\u7406\u5e94\u7528\u65e5\u671f\u548c\u65f6\u95f4\u51fd\u6570\uff0c\u5728MySQL\u4e2d\u8fdb\u884c\u65f6\u95f4\u8303\u56f4\u6bd4\u8f83\u662f\u4e00\u79cd\u5e38\u89c1\u4e14\u6709\u7528\u7684\u64cd\u4f5c\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u7f16\u5199\u76f8\u5e94\u7684\u67e5\u8be2\u8bed\u53e5\uff0c\u5e76\u5229\u7528\u7d22\u5f15\u6765\u4f18\u5316\u67e5\u8be2\u6027\u80fd\u3002<\/p>\n
          \u4ee5\u4e0a\u662f\u5173\u4e8eMySQL\u65f6\u95f4\u8303\u56f4\u6bd4\u8f83\u7684\u5b9e\u4f8b\u4e0e\u89e3\u6790\uff0c\u5e0c\u671b\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u5e94\u7528\u65f6\u95f4\u8303\u56f4\u6bd4\u8f83\u7684\u76f8\u5173\u77e5\u8bc6\u3002<\/p>\n
          \u4ee5\u4e0a\u5c31\u662f\u300a\u5bf9MySQL\u8fdb\u884c\u65f6\u95f4\u8303\u56f4\u6bd4\u8f83\uff1a\u6848\u4f8b\u548c\u5206\u6790\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8emysql,\u6bd4\u8f83,\u65f6\u95f4\u8303\u56f4\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff01<\/p>\n
          \n
          \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
          \u5bf9MySQL\u8fdb\u884c\u65f6\u95f4\u8303\u56f4\u6bd4\u8f83\uff1a\u6848...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-199740","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199740","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=199740"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199740\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199740"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199740"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199740"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}