{"id":200371,"date":"2025-05-06T08:54:29","date_gmt":"2025-05-06T00:54:29","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200371\/"},"modified":"2025-05-06T08:54:29","modified_gmt":"2025-05-06T00:54:29","slug":"%e5%a6%82%e4%bd%95%e4%bc%98%e5%8c%96%e4%b8%89%e8%a1%a8%e5%85%b3%e8%81%94%e6%9f%a5%e8%af%a2%ef%bc%8c%e9%81%bf%e5%85%8d%e7%ac%9b%e5%8d%a1%e5%b0%94%e7%a7%af%e5%b8%a6%e6%9d%a5%e7%9a%84%e6%80%a7%e8%83%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200371\/","title":{"rendered":"\u5982\u4f55\u4f18\u5316\u4e09\u8868\u5173\u8054\u67e5\u8be2\uff0c\u907f\u514d\u7b1b\u5361\u5c14\u79ef\u5e26\u6765\u7684\u6027\u80fd\u95ee\u9898\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u4f18\u5316\u4e09\u8868\u5173\u8054\u67e5\u8be2\uff0c\u907f\u514d\u7b1b\u5361\u5c14\u79ef\u5e26\u6765\u7684\u6027\u80fd\u95ee\u9898\uff1f<\/h1>\n<p>\u672c\u7bc7\u6587\u7ae0\u5411\u5927\u5bb6\u4ecb\u7ecd\u300a\u5982\u4f55\u4f18\u5316\u4e09\u8868\u5173\u8054\u67e5\u8be2\uff0c\u907f\u514d\u7b1b\u5361\u5c14\u79ef\u5e26\u6765\u7684\u6027\u80fd\u95ee\u9898\uff1f\u300b\uff0c\u4e3b\u8981\u5305\u62ec\uff0c\u5177\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241103\/1730614185672713a9e0aea.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u6570\u636e\u5e93\u67e5\u8be2\u6548\u7387\u4f18\u5316<\/strong><\/p>\n<p>\u5047\u8bbe\u62e5\u6709 a\u3001b\u3001c \u4e09\u5f20\u8868\uff0ca \u8868\u548c b \u8868\u6ca1\u6709\u76f4\u63a5\u5173\u8054\uff0c\u4f46\u90fd\u4e0e c \u8868\u76f8\u5173\u8054\u3002\u9700\u8981\u67e5\u8be2\u6ee1\u8db3\u59d3\u540d\u4e3a\u201c\u5f20\u4e09\u201d\u4e14\u7701\u4efd\u4e3a\u201c\u4e0a\u6d77\u201d\u7684\u6570\u636e\u3002<\/p>\n<p>\u5982\u679c\u4e0d\u8bbe\u7f6e\u6761\u4ef6\uff0c\u76f4\u63a5\u4f7f\u7528\u7b1b\u5361\u5c14\u79ef\u67e5\u8be2\u8868 a \u548c b \u7684\u6240\u6709\u884c\uff0c\u4f1a\u5bfc\u81f4\u6570\u636e\u91cf\u8fc7\u5927\u3002<\/p>\n<p>\u6b63\u786e\u7684\u89e3\u51b3\u65b9\u5f0f\u662f\u5c06\u6570\u636e\u91cf\u8f83\u5927\u7684\u8868\u4f5c\u4e3a\u4e3b\u8868\uff0c\u901a\u8fc7\u5173\u8054 c \u8868\u8fdb\u884c\u6761\u4ef6\u8fc7\u6ee4\uff1a<\/p>\n<pre>SELECT a.*, b.*\nFROM c\nINNER JOIN a ON c.nid = a.id\nINNER JOIN b ON c.sid = b.id\nWHERE a.name = '\u5f20\u4e09' AND b.\u7701\u4efd = '\u4e0a\u6d77'<\/pre>\n<p>\u6b64\u67e5\u8be2\u8bed\u53e5\u5148\u901a\u8fc7 c \u8868\u5173\u8054 a \u8868\uff0c\u7b5b\u9009\u51fa\u59d3\u540d\u4e3a\u201c\u5f20\u4e09\u201d\u7684\u6570\u636e\u3002\u7136\u540e\uff0c\u518d\u901a\u8fc7 c \u8868\u5173\u8054 b \u8868\uff0c\u7b5b\u9009\u51fa\u7701\u4efd\u4e3a\u201c\u4e0a\u6d77\u201d\u7684\u6570\u636e\u3002\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u7b1b\u5361\u5c14\u79ef\uff0c\u5927\u5927\u63d0\u9ad8\u67e5\u8be2\u6548\u7387\u3002<\/p>\n<p>\u597d\u4e86\uff0c\u672c\u6587\u5230\u6b64\u7ed3\u675f\uff0c\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u300a\u5982\u4f55\u4f18\u5316\u4e09\u8868\u5173\u8054\u67e5\u8be2\uff0c\u907f\u514d\u7b1b\u5361\u5c14\u79ef\u5e26\u6765\u7684\u6027\u80fd\u95ee\u9898\uff1f\u300b\uff0c\u5e0c\u671b\u672c\u6587\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff01\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff0c\u7ed9\u5927\u5bb6\u5206\u4eab\u66f4\u591a\u6570\u636e\u5e93\u77e5\u8bc6\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u4f18\u5316\u4e09\u8868\u5173\u8054\u67e5\u8be2\uff0c\u907f\u514d\u7b1b\u5361\u5c14&#46;&#46;&#46;<\/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-200371","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200371","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=200371"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200371\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200371"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200371"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200371"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}