{"id":137990,"date":"2023-07-23T18:26:53","date_gmt":"2023-07-23T10:26:53","guid":{"rendered":"http:\/\/www.idc.net\/help\/137990\/"},"modified":"2023-07-23T18:26:53","modified_gmt":"2023-07-23T10:26:53","slug":"%e9%98%b2%e8%8c%83sql%e6%b3%a8%e5%85%a5%e6%94%bb%e5%87%bb%ef%bc%9a%e6%95%b0%e6%8d%ae%e5%ba%93%e8%af%a5%e6%80%8e%e4%b9%88%e5%81%9a%ef%bc%9f-%e6%95%b0%e6%8d%ae%e5%ba%93%e6%80%8e%e4%b9%88%e9%98%bb","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/137990\/","title":{"rendered":"\u9632\u8303SQL\u6ce8\u5165\u653b\u51fb\uff1a\u6570\u636e\u5e93\u8be5\u600e\u4e48\u505a\uff1f (\u6570\u636e\u5e93\u600e\u4e48\u963b\u6b62sql\u6ce8\u5165)"},"content":{"rendered":"<p>\u968f\u7740\u4e92\u8054\u7f51\u7684\u666e\u53ca\uff0c\u6570\u636e\u5e93\u7684\u5e94\u7528\u8d8a\u6765\u8d8a\u5e7f\u6cdb\u3002\u540c\u65f6\uff0c\u9ed1\u5ba2\u653b\u51fb\u624b\u6bb5\u4e5f\u8d8a\u6765\u8d8a\u9ad8\u7ea7\u548c\u590d\u6742\u3002\u5176\u4e2d\uff0cSQL\u6ce8\u5165\u653b\u51fb\u662f\u6700\u5e38\u89c1\u7684\u653b\u51fb\u624b\u6bb5\u4e4b\u4e00\u3002\u4f7f\u7528SQL\u6ce8\u5165\u653b\u51fb\u53ef\u4ee5\u7ed5\u8fc7\u5e94\u7528\u7a0b\u5e8f\u7684\u8eab\u4efd\u9a8c\u8bc1\u548c\u6388\u6743\u8fc7\u7a0b\uff0c\u76f4\u63a5\u8bbf\u95ee\u6570\u636e\u5e93\u4e2d\u7684\u4fe1\u606f\u3002\u5982\u4f55\u9632\u8303SQL\u6ce8\u5165\u653b\u51fb\u662f\u6bcf\u4e2a\u6570\u636e\u5e93\u7ba1\u7406\u5458\u5fc5\u987b\u8981\u5b66\u4f1a\u7684\u6280\u80fd\u3002\u672c\u6587\u5c06\u4ecb\u7ecdSQL\u6ce8\u5165\u653b\u51fb\u7684\u539f\u7406\u548c\u9632\u8303\u63aa\u65bd\u3002<\/p>\n<p>\u4e00\u3001SQL\u6ce8\u5165\u653b\u51fb\u539f\u7406<\/p>\n<p>SQL\u6ce8\u5165\u653b\u51fb\u5177\u6709\u5229\u7528\u5df2\u6709\u6f0f\u6d1e\u901a\u8fc7\u63d0\u4ea4\u6076\u610fSQL\u8bed\u53e5\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u975e\u6cd5\u64cd\u4f5c\u7684\u7279\u70b9\u3002\u653b\u51fb\u8005\u901a\u8fc7\u64cd\u7eb5SQL\u8bed\u53e5\u6765\u83b7\u53d6\u3001\u4fee\u6539\u3001\u5220\u9664\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\uff0c\u4ece\u800c\u8fbe\u5230\u63a7\u5236\u7f51\u7ad9\u7684\u76ee\u7684\u3002<\/p>\n<p>\u901a\u5e38\u60c5\u51b5\u4e0b\uff0c\u653b\u51fb\u8005\u4f1a\u5c06\u6076\u610f\u7684SQL\u4ee3\u7801\u5d4c\u5165\u5230URL\u53c2\u6570\u6216\u8005\u8868\u5355\u8f93\u5165\u6846\u4e2d\uff0c\u670d\u52a1\u5668\u4ece\u53c2\u6570\u4e2d\u63d0\u53d6\u4e86\u653b\u51fb\u8005\u4f2a\u9020\u7684SQL\u8bed\u53e5\uff0c\u5982\u679c\u8fd9\u4e2a\u8bed\u53e5\u88ab\u6267\u884c\uff0c\u653b\u51fb\u8005\u5c31\u53ef\u4ee5\u8f7b\u6613\u5730\u83b7\u53d6\u6570\u636e\u5e93\u4e2d\u7684\u4fe1\u606f\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u4e00\u4e2a\u7b80\u5355\u7684SQL\u6ce8\u5165\u6f0f\u6d1e\u6848\u4f8b\uff1a<\/p>\n<p>\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7528\u6237\u641c\u7d22\u6587\u7ae0\u7684\u529f\u80fd\u4f7f\u7528\u5982\u4e0bSQL\u67e5\u8be2\u8bed\u53e5\uff1a<\/p>\n<p>SELECT * FROM articles WHERE title LIKE \u2018%\u5173\u952e\u8bcd%\u2019<\/p>\n<p>\u653b\u51fb\u8005\u5728\u641c\u7d22\u5173\u952e\u5b57\u65f6\u8f93\u5165\uff1a<\/p>\n<p>\u2018 OR 1=1; \u2014<\/p>\n<p>\u653b\u51fb\u8005\u6240\u8f93\u5165\u7684\u67e5\u8be2\u8bed\u53e5\u53d8\u6210\uff1a<\/p>\n<p>SELECT * FROM articles WHERE title LIKE \u2018% \u2018OR 1=1;\u2013%\u2019<\/p>\n<p>\u6b64\u65f61=1\u59cb\u7ec8\u4e3a\u771f\uff0c\u5229\u7528\u201c\u2013\u201d\u6ce8\u91ca\u6389\u4e86SELECT\u8bed\u53e5\u7684\u5269\u4f59\u90e8\u5206\uff0c\u90a3\u4e48\u6574\u4e2aSELECT\u8bed\u53e5\u5c31\u88ab\u66ff\u6362\u4e3a\u4e86\u201cSELECT *\u201d\uff0c\u8fd4\u56de\u6587\u7ae0\u8868\u7684\u6240\u6709\u5185\u5bb9\u3002<\/p>\n<p>\u4e8c\u3001SQL\u6ce8\u5165\u653b\u51fb\u7684\u9632\u8303\u63aa\u65bd<\/p>\n<p>\u4e3a\u4e86\u9632\u8303SQL\u6ce8\u5165\u653b\u51fb\uff0c\u6570\u636e\u5e93\u7ba1\u7406\u5458\u9700\u8981\u91c7\u53d6\u4ee5\u4e0b\u63aa\u65bd\uff1a<\/p>\n<p>1.\u68c0\u67e5\u8f93\u5165\u6570\u636e<\/p>\n<p>\u5e94\u7528\u7a0b\u5e8f\u5fc5\u987b\u5bf9\u7528\u6237\u8f93\u5165\u6570\u636e\u8fdb\u884c\u68c0\u67e5\uff0c\u8fc7\u6ee4\u6389\u975e\u6cd5\u5b57\u7b26\uff0c\u8fd9\u6837\u5c31\u53ef\u4ee5\u907f\u514d\u7528\u6237\u6076\u610f\u8f93\u5165\u53ef\u6267\u884c\u7684SQL\u8bed\u53e5\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u8f93\u5165\u7684\u6570\u636e\u53ea\u5305\u542b\u5b57\u6bcd\u548c\u6570\u5b57\u7b49\u5b89\u5168\u5b57\u7b26\u3002<\/p>\n<p>2.\u4f7f\u7528\u9884\u7f16\u8bd1\u8bed\u53e5<\/p>\n<p>\u91c7\u7528\u9884\u7f16\u8bd1\u8bed\u53e5\u7684\u67e5\u8be2\u901a\u5e38\u4e0d\u4f1a\u53d7\u5230SQL\u6ce8\u5165\u653b\u51fb\u3002\u5e94\u7528\u7a0b\u5e8f\u5c06SQL\u8bed\u53e5\u4e0e\u53c2\u6570\u5206\u5f00\uff0c\u5f53\u67e5\u8be2\u6267\u884c\u65f6\uff0c\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u5c06\u53c2\u6570\u8f6c\u4e49\u5e76\u89e3\u91ca\u4e3a\u5b57\u7b26\u4e32\u800c\u4e0d\u662f\u4ee3\u7801\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5bf9\u4e8ePHP\u8bed\u8a00\u4e2d\u7684PDO\u65b9\u6cd5\uff0c\u5bf9\u4e8e\u4e0a\u8ff0\u7684SQL\u8bed\u53e5\u67e5\u8be2\uff0c\u4f7f\u7528PDO\u7684\u9884\u5904\u7406\u8bed\u53e5\u53ef\u4ee5\u8fd9\u6837\u5199\uff1a<\/p>\n<p>$keywords = \u2018\u5173\u952e\u8bcd\u2019;<\/p>\n<p>$sth = $pdo-&gt;prepare(\u2018SELECT * FROM articles WHERE title LIKE :keywords\u2019);<\/p>\n<p>$sth-&gt;bindParam(\u2018:keywords\u2019, $keywords);<\/p>\n<p>$sth-&gt;execute();<\/p>\n<p>PDO\u4f1a\u81ea\u52a8\u6267\u884c\u5fc5\u8981\u7684\u8f6c\u4e49\uff0c\u786e\u4fddSQL\u67e5\u8be2\u4e2d\u7684\u4efb\u4f55\u5f15\u53f7\u90fd\u88ab\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32\u3002<\/p>\n<p>3.\u6388\u6743\u6743\u9650<\/p>\n<p>\u5e94\u7528\u7a0b\u5e8f\u5e94\u8be5\u9650\u5236\u7528\u6237\u5bf9\u6570\u636e\u5e93\u7684\u8bbf\u95ee\u6743\u9650\u3002\u53ea\u6388\u4e88\u7528\u6237\u6240\u9700\u7684\u6700\u5c0f\u6743\u9650\u548c\u8bbf\u95ee\u8303\u56f4\uff0c\u4f8b\u5982\u53ea\u80fd\u8bbf\u95ee\u7279\u5b9a\u7684\u8868\u6216\u7279\u5b9a\u7684\u5217\u3002<\/p>\n<p>4.\u65e5\u5fd7\u8bb0\u5f55<\/p>\n<p>\u5728\u670d\u52a1\u5668\u7aef\u8bb0\u5f55\u6240\u6709\u7528\u6237\u8bf7\u6c42\u548c\u54cd\u5e94\u6570\u636e\uff0c\u8fd9\u6837\u53ef\u4ee5\u66f4\u597d\u5730\u76d1\u89c6\u548c\u5206\u6790\u5e94\u7528\u7a0b\u5e8f\u6570\u636e\u6d41\uff0c\u68c0\u6d4b\u5f02\u5e38\u884c\u4e3a\u3002<\/p>\n<p>5.\u52a0\u5f3a\u6570\u636e\u5e93\u5b89\u5168\u8bbe\u7f6e<\/p>\n<p>\u6570\u636e\u5e93\u5e94\u8be5\u8bbe\u7f6e\u6b63\u786e\u7684\u6743\u9650\u3001\u52a0\u5bc6\u548c\u9632\u706b\u5899\u7b49\u5b89\u5168\u914d\u7f6e\u3002\u6b64\u5916\uff0c\u53ca\u65f6\u5347\u7ea7\u6570\u636e\u5e93\u7248\u672c\uff0c\u5b89\u88c5\u6570\u636e\u5e93\u5b89\u5168\u8865\u4e01\u4e5f\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\uff1a<\/p>\n<p>\u6570\u636e\u5e93\u7ba1\u7406\u5458\u5fc5\u987b\u8981\u4e86\u89e3SQL\u6ce8\u5165\u653b\u51fb\u7684\u5371\u5bb3\u548c\u65b9\u6cd5\uff0c\u5e76\u91c7\u53d6\u5408\u9002\u7684\u9632\u5fa1\u63aa\u65bd\u3002\u53ea\u6709\u4e0d\u65ad\u52a0\u5f3a\u6570\u636e\u5e93\u7684\u5b89\u5168\u8bbe\u7f6e\uff0c\u53ca\u65f6\u4fee\u8865\u6f0f\u6d1e\uff0c\u624d\u80fd\u66f4\u597d\u5730\u9632\u8303SQL\u6ce8\u5165\u653b\u51fb\u3002<\/p>\n<p><strong>\u76f8\u5173\u95ee\u9898\u62d3\u5c55\u9605\u8bfb\uff1a<\/strong><\/p>\n<ul>\n<li>\u9632\u6b62sql\u6ce8\u5165\u7684\u66f4\u4f73\u65b9\u5f0f<\/li>\n<\/ul>\n<h3>\u9632\u6b62sql\u6ce8\u5165\u7684\u66f4\u4f73\u65b9\u5f0f<\/h3>\n<p>1\u3001\u5229\u7528\u7b2c\u4e09\u65b9\u8f6f\u4ef6\u52a0\u56fa\u4e4e\u5c40\uff0c\u76d1\u63a7\u6240\u6709\u4f20\u5165\u7684\u5b57\u7b26\u4e32<\/p>\n<p>2\u3001\u7f51\u4e0a\u6709\u5f88\u591a\u9632SQL\u6ce8\u5165\u4ee3\u7801\uff0c\u5f15\u5165\u5230\u7f51\u9875\u7684\u6bcf\u4e00\u4e2a\u9700\u8981\u4f20\u503c\u9875\u91cc<\/p>\n<p>3\u3001\u5bf9\u4e8e\u6bcf\u4e00\u4e2a\u4f20\u503c\uff0c\u8fdb\u884c\u6570\u636e\u7c7b\u578b\u3001\u957f\u5ea6\u3001\u89c4\u5219\u7b49\u5224\u65ad\uff0c\u6bd4\u5c81\u524d\u8ba9\u5982\u4f20\u5165ID=1\uff0c\u4f60\u8981\u5224\u65adID\u91cc\u7684\u662f\u4e0d\u662f\u6570\u5b57\uff0c\u4e14\u4e0d\u4f1a\u8d85\u8fc7\u591a\u5c11\u4f4d\u6094\u6db2\uff0c\u5982\u679c\u4e0d\u6ee1\u8db3\u6761\u4ef6\u5c31\u505a\u5176\u5b83\u5904\u7406<\/p>\n<p>\u901a\u5e38\u5c31\u8fd9\u4e09\u79cd\u65b9\u6cd5<\/p>\n<p>\u6570\u636e\u5e93\u600e\u4e48\u963b\u6b62sql\u6ce8\u5165\u7684\u4ecb\u7ecd\u5c31\u804a\u5230\u8fd9\u91cc\u5427\uff0c\u611f\u8c22\u4f60\u82b1\u65f6\u95f4\u9605\u8bfb\u672c\u7ad9\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u600e\u4e48\u963b\u6b62sql\u6ce8\u5165,\u9632\u8303SQL\u6ce8\u5165\u653b\u51fb\uff1a\u6570\u636e\u5e93\u8be5\u600e\u4e48\u505a\uff1f,\u9632\u6b62sql\u6ce8\u5165\u7684\u66f4\u4f73\u65b9\u5f0f\u7684\u4fe1\u606f\u522b\u5fd8\u4e86\u5728\u672c\u7ad9\u8fdb\u884c\u67e5\u627e\u5594\u3002<\/p>\n<p><a href=\"http:https:\/\/idc.net\/\">\u9999\u6e2f\u670d\u52a1\u5668<\/a>\u9996\u9009\u540e\u6d6a\u4e91\uff0c2H2G\u9996\u670810\u5143\u5f00\u901a\u3002<br \/>\u540e\u6d6a\u4e91\uff08www.IDC.Net\uff09\u63d0\u4f9b\u7b80\u5355\u597d\u7528\uff0c\u4ef7\u683c\u539a\u9053\u7684\u9999\u6e2f\/\u7f8e\u56fd\u4e91\u670d\u52a1\u5668\u548c\u72ec\u7acb\u670d\u52a1\u5668\u3002IDC+ISP+ICP\u8d44\u8d28\u3002ARIN\u548cAPNIC\u4f1a\u5458\u3002\u6210\u719f\u6280\u672f\u56e2\u961f15\u5e74\u884c\u4e1a\u7ecf\u9a8c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u968f\u7740\u4e92\u8054\u7f51\u7684\u666e\u53ca\uff0c\u6570\u636e\u5e93\u7684\u5e94\u7528\u8d8a\u6765\u8d8a\u5e7f\u6cdb\u3002\u540c\u65f6\uff0c\u9ed1\u5ba2\u653b\u51fb\u624b\u6bb5\u4e5f\u8d8a\u6765\u8d8a\u9ad8\u7ea7\u548c\u590d\u6742\u3002\u5176\u4e2d\uff0cSQL\u6ce8\u5165\u653b\u51fb\u662f\u6700\u5e38\u89c1\u7684 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7038],"tags":[],"class_list":["post-137990","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/137990","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=137990"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/137990\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=137990"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=137990"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=137990"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}