{"id":47363,"date":"2023-12-11T15:11:36","date_gmt":"2023-12-11T07:11:36","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=47363"},"modified":"2023-12-11T15:11:36","modified_gmt":"2023-12-11T07:11:36","slug":"%e4%bb%80%e4%b9%88%e6%98%af%e6%9c%80%e5%b7%a6%e5%89%8d%e7%bc%80%e5%8e%9f%e5%88%99%ef%bc%9f-4","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/11\/%e4%bb%80%e4%b9%88%e6%98%af%e6%9c%80%e5%b7%a6%e5%89%8d%e7%bc%80%e5%8e%9f%e5%88%99%ef%bc%9f-4\/","title":{"rendered":"\u4ec0\u4e48\u662f\u6700\u5de6\u524d\u7f00\u539f\u5219\uff1f"},"content":{"rendered":"<p>&#8220;`&#8221;                    MySQL\u4e2d\u7684\u7d22\u5f15\u53ef\u4ee5\u4ee5\u4e00\u5b9a\u987a\u5e8f\u5f15\u7528\u591a\u5217\uff0c\u8fd9\u79cd\u7d22\u5f15\u53eb\u4f5c\u8054\u5408\u7d22\u5f15\u3002\u5982User\u8868\u7684name\u548ccity\u52a0\u8054\u5408\u7d22\u5f15\u5c31\u662f(name,city)\uff0c\u800c\u6700\u5de6\u524d\u7f00\u539f\u5219\u6307\u7684\u662f\uff0c\u5982\u679c\u67e5\u8be2\u7684\u65f6\u5019\u67e5\u8be2\u6761\u4ef6\u7cbe\u786e\u5339\u914d\u7d22\u5f15\u7684\u5de6\u8fb9\u8fde\u7eed\u4e00\u5217\u6216\u51e0\u5217\uff0c\u5219\u6b64\u5217\u5c31\u53ef\u4ee5\u88ab\u7528\u5230\u3002\u5982\u4e0b\uff1a<\/p>\n<p>&lt;code&gt;                                                                                       select * from user where name=xx and city=xx ; \uff0f\uff0f\u53ef\u4ee5\u547d\u4e2d\u7d22\u5f15&lt;\/code&gt;<\/p>\n<p>&lt;code&gt;select * from user where name=xx ; \/\/ \u53ef\u4ee5\u547d\u4e2d\u7d22\u5f15&lt;\/code&gt;<\/p>\n<p>&lt;code&gt;select * from user where city=xx ; \/\/ \u65e0\u6cd5\u547d\u4e2d\u7d22\u5f15            &lt;\/code&gt;<\/p>\n<p>\u8fd9\u91cc\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u67e5\u8be2\u7684\u65f6\u5019\u5982\u679c\u4e24\u4e2a\u6761\u4ef6\u90fd\u7528\u4e0a\u4e86\uff0c\u4f46\u662f\u987a\u5e8f\u4e0d\u540c\uff0c\u5982 &lt;code&gt;city= xx and name \uff1dxx&lt;\/code&gt;\uff0c\u90a3\u4e48\u73b0\u5728\u7684\u67e5\u8be2\u5f15\u64ce\u4f1a\u81ea\u52a8\u4f18\u5316\u4e3a\u5339\u914d\u8054\u5408\u7d22\u5f15\u7684\u987a\u5e8f\uff0c\u8fd9\u6837\u662f\u80fd\u591f\u547d\u4e2d\u7d22\u5f15\u7684\u3002<\/p>\n<p>\u7531\u4e8e\u6700\u5de6\u524d\u7f00\u539f\u5219\uff0c\u5728\u521b\u5efa\u8054\u5408\u7d22\u5f15\u65f6\uff0c\u7d22\u5f15\u5b57\u6bb5\u7684\u987a\u5e8f\u9700\u8981\u8003\u8651\u5b57\u6bb5\u503c\u53bb\u91cd\u4e4b\u540e\u7684\u4e2a\u6570\uff0c\u8f83\u591a\u7684\u653e\u524d\u9762\u3002ORDER BY\u5b50\u53e5\u4e5f\u9075\u5faa\u6b64\u89c4\u5219\u3002<\/p>\n<p>&lt;pre&gt;&lt;code&gt;            &quot;&#8220;`<br \/>\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>&#8220;`&#8221; MySQL\u4e2d\u7684\u7d22\u5f15\u53ef\u4ee5\u4ee5\u4e00\u5b9a\u987a\u5e8f\u5f15\u7528\u591a\u5217\uff0c\u8fd9\u79cd\u7d22\u5f15\u53eb\u4f5c\u8054\u5408\u7d22\u5f15\u3002\u5982User\u8868\u7684 [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-47363","post","type-post","status-publish","format-standard","hentry","category-c"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/47363","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=47363"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/47363\/revisions"}],"predecessor-version":[{"id":47364,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/47363\/revisions\/47364"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=47363"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=47363"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=47363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}