{"id":187692,"date":"2024-11-11T16:23:20","date_gmt":"2024-11-11T08:23:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/187692\/"},"modified":"2024-11-11T16:23:21","modified_gmt":"2024-11-11T08:23:21","slug":"%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad-where-11-%e7%9a%84%e5%90%ab%e7%be%a9%e8%a7%a3%e6%9e%90-%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad-where-11%e6%98%af%e4%bb%80%e9%ba%bc%e6%84%8f%e6%80%9d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/187692\/","title":{"rendered":"\u6578\u64da\u5eab\u4e2d where 1=1 \u7684\u542b\u7fa9\u89e3\u6790 (\u6578\u64da\u5eab\u4e2d where 1=1\u662f\u4ec0\u9ebc\u610f\u601d)"},"content":{"rendered":"<h1 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad-where-11-%e7%9a%84%e5%90%ab%e7%be%a9%e8%a7%a3%e6%9e%90-GFqaHwaUil\">\u6578\u64da\u5eab\u4e2d where 1=1 \u7684\u542b\u7fa9\u89e3\u6790<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u67e5\u8a62\u4e2d\uff0c<code>WHERE 1=1<\/code> \u662f\u4e00\u500b\u5e38\u898b\u7684\u689d\u4ef6\u8a9e\u53e5\uff0c\u5c24\u5176\u5728 SQL \u8a9e\u53e5\u4e2d\u7d93\u5e38\u88ab\u4f7f\u7528\u3002\u9019\u500b\u689d\u4ef6\u7684\u542b\u7fa9\u770b\u4f3c\u7c21\u55ae\uff0c\u4f46\u5176\u80cc\u5f8c\u537b\u96b1\u85cf\u8457\u8a31\u591a\u5be6\u7528\u7684\u6280\u5de7\u548c\u61c9\u7528\u5834\u666f\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e <code>WHERE 1=1<\/code> \u7684\u542b\u7fa9\u53ca\u5176\u5728\u5be6\u969b\u61c9\u7528\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2>1. <code>WHERE 1=1<\/code> \u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728 SQL \u8a9e\u53e5\u4e2d\uff0c<code>WHERE<\/code> \u5b50\u53e5\u7528\u65bc\u6307\u5b9a\u67e5\u8a62\u7684\u689d\u4ef6\u3002\u7576\u6211\u5011\u4f7f\u7528 <code>WHERE 1=1<\/code> \u6642\uff0c\u9019\u500b\u689d\u4ef6\u59cb\u7d42\u70ba\u771f\uff0c\u56e0\u70ba\u6578\u5b78\u4e0a <code>1=1<\/code> \u662f\u4e00\u500b\u6c38\u9060\u6210\u7acb\u7684\u8868\u9054\u5f0f\u3002\u9019\u610f\u5473\u8457\uff0c\u7576\u9019\u500b\u689d\u4ef6\u88ab\u6dfb\u52a0\u5230\u67e5\u8a62\u4e2d\u6642\uff0c\u6240\u6709\u7684\u8a18\u9304\u90fd\u6703\u88ab\u9078\u4e2d\uff0c\u56e0\u70ba\u6c92\u6709\u4efb\u4f55\u689d\u4ef6\u6703\u6392\u9664\u5b83\u5011\u3002<\/p>\n<h2>2. \u4f7f\u7528 <code>WHERE 1=1<\/code> \u7684\u5834\u666f<\/h2>\n<p>\u96d6\u7136 <code>WHERE 1=1<\/code> \u770b\u4f3c\u591a\u9918\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u5b83\u537b\u80fd\u63d0\u4f9b\u4fbf\u5229\u3002\u4ee5\u4e0b\u662f\u5e7e\u500b\u5e38\u898b\u7684\u4f7f\u7528\u5834\u666f\uff1a<\/p>\n<ul>\n<li><strong>\u52d5\u614b\u67e5\u8a62\u69cb\u5efa\uff1a<\/strong>\u5728\u69cb\u5efa\u52d5\u614b SQL \u67e5\u8a62\u6642\uff0c\u958b\u982d\u4f7f\u7528 <code>WHERE 1=1<\/code> \u53ef\u4ee5\u7c21\u5316\u5f8c\u7e8c\u7684\u689d\u4ef6\u6dfb\u52a0\u3002\u9019\u6a23\uff0c\u7121\u8ad6\u5f8c\u9762\u6709\u591a\u5c11\u500b\u689d\u4ef6\uff0c\u90fd\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528 <code>AND<\/code> \u4f86\u9023\u63a5\uff0c\u800c\u4e0d\u9700\u8981\u8003\u616e\u662f\u5426\u9700\u8981\u5728\u7b2c\u4e00\u500b\u689d\u4ef6\u524d\u52a0\u4e0a <code>AND<\/code>\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u53ef\u8b80\u6027\uff1a<\/strong>\u4f7f\u7528 <code>WHERE 1=1<\/code> \u53ef\u4ee5\u4f7f\u67e5\u8a62\u8a9e\u53e5\u7684\u7d50\u69cb\u66f4\u52a0\u6e05\u6670\uff0c\u7279\u5225\u662f\u5728\u6709\u591a\u500b\u689d\u4ef6\u7684\u60c5\u6cc1\u4e0b\uff0c\u9019\u6a23\u7684\u5beb\u6cd5\u53ef\u4ee5\u8b93\u4eba\u4e00\u76ee\u4e86\u7136\u3002<\/li>\n<li><strong>\u907f\u514d\u8a9e\u6cd5\u932f\u8aa4\uff1a<\/strong>\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528 <code>WHERE 1=1<\/code> \u53ef\u4ee5\u907f\u514d\u56e0\u70ba\u689d\u4ef6\u7f3a\u5931\u800c\u5c0e\u81f4\u7684\u8a9e\u6cd5\u932f\u8aa4\uff0c\u7279\u5225\u662f\u5728\u52d5\u614b\u751f\u6210\u67e5\u8a62\u7684\u904e\u7a0b\u4e2d\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e5%af%a6%e9%9a%9b%e7%af%84%e4%be%8b-GFqaHwaUil\">3. \u5be6\u969b\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 <code>WHERE 1=1<\/code> \u7684 SQL \u67e5\u8a62\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>\nSELECT * FROM users\nWHERE 1=1\nAND age &gt; 18\nAND city = 'Hong Kong';\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u67e5\u8a62\u4e2d\uff0c<code>WHERE 1=1<\/code> \u4f7f\u5f97\u5f8c\u7e8c\u7684\u689d\u4ef6\u53ef\u4ee5\u7121\u7e2b\u5730\u6dfb\u52a0\uff0c\u800c\u4e0d\u9700\u8981\u64d4\u5fc3\u8a9e\u6cd5\u7684\u6b63\u78ba\u6027\u3002\u9019\u6a23\u7684\u5beb\u6cd5\u5728\u751f\u6210\u8907\u96dc\u67e5\u8a62\u6642\u7279\u5225\u6709\u7528\u3002<\/p>\n<h2 id=\"4-%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-GFqaHwaUil\">4. \u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5118\u7ba1 <code>WHERE 1=1<\/code> \u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\u975e\u5e38\u6709\u7528\uff0c\u4f46\u904e\u5ea6\u4f7f\u7528\u53ef\u80fd\u6703\u5c0e\u81f4\u67e5\u8a62\u7684\u53ef\u8b80\u6027\u4e0b\u964d\uff0c\u7279\u5225\u662f\u5c0d\u65bc\u4e0d\u719f\u6089\u6b64\u5beb\u6cd5\u7684\u958b\u767c\u8005\u3002\u56e0\u6b64\uff0c\u5728\u4f7f\u7528\u6642\u61c9\u6839\u64da\u5177\u9ad4\u60c5\u6cc1\u9032\u884c\u5224\u65b7\uff0c\u78ba\u4fdd\u67e5\u8a62\u7684\u6e05\u6670\u548c\u7c21\u6f54\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-GFqaHwaUil\">\u7e3d\u7d50<\/h2>\n<p>\u7e3d\u7684\u4f86\u8aaa\uff0c<code>WHERE 1=1<\/code> \u662f\u4e00\u500b\u5728 SQL \u67e5\u8a62\u4e2d\u975e\u5e38\u5be6\u7528\u7684\u6280\u5de7\uff0c\u7279\u5225\u662f\u5728\u52d5\u614b\u67e5\u8a62\u69cb\u5efa\u7684\u904e\u7a0b\u4e2d\u3002\u5b83\u4e0d\u50c5\u80fd\u63d0\u9ad8\u67e5\u8a62\u7684\u53ef\u8b80\u6027\uff0c\u9084\u80fd\u907f\u514d\u8a9e\u6cd5\u932f\u8aa4\u3002\u5c0d\u65bc\u9700\u8981\u7d93\u5e38\u9032\u884c\u8907\u96dc\u67e5\u8a62\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u638c\u63e1\u9019\u4e00\u6280\u5de7\u5c07\u5927\u5927\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u6216\u5176\u4ed6\u6280\u8853\u554f\u984c\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4e86\u89e3\u66f4\u591a\u8cc7\u8a0a\uff0c\u7279\u5225\u662f\u6211\u5011\u63d0\u4f9b\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\uff0c\u80fd\u5920\u70ba\u60a8\u7684\u9805\u76ee\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u89e3\u6790\u6578\u64da\u5eab\u4e2d &#8220;where 1=1&#8221; \u7684\u542b\u7fa9\uff0c\u4e86\u89e3\u5176\u5728\u67e5\u8a62\u4e2d\u7684\u4f5c\u7528\u53ca\u5e38\u898b\u7528\u9014\uff0c\u63d0\u5347SQL\u67e5\u8a62\u6548\u7387\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-187692","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187692","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=187692"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187692\/revisions"}],"predecessor-version":[{"id":187693,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/187692\/revisions\/187693"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=187692"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=187692"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=187692"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}