{"id":89795,"date":"2026-08-03T19:40:40","date_gmt":"2026-08-03T11:40:40","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/89795.html"},"modified":"2026-08-03T19:40:40","modified_gmt":"2026-08-03T11:40:40","slug":"%e3%80%8aowasp-top-10-sql%e6%b3%a8%e5%85%a5%e6%bc%8f%e6%b4%9e-%e5%9f%ba%e7%a1%80%e6%a6%82%e5%bf%b5%e3%80%8b","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/89795.html","title":{"rendered":"\u300aOWASP Top 10-SQL\u6ce8\u5165\u6f0f\u6d1e-\u57fa\u7840\u6982\u5ff5\u300b"},"content":{"rendered":"<p><font color=\"red\">\u7f51\u7edc\u5b89\u5168\u6280\u672f\u4ec5\u4f5c\u4e3a\u6559\u5b66&#xff0c;\u8bf7\u7262\u8bb0\u7f51\u7edc\u5b89\u5168\u6cd5&#xff0c;\u4e0d\u53ef\u5728\u672a\u6388\u6743\u60c5\u51b5\u4e0b\u5bf9\u4efb\u4f55\u4fe1\u606f\u7cfb\u7edf\u8fdb\u884c\u5b89\u5168\u6d4b\u8bd5&#xff0c;\u672c\u6587\u7ae0\u4ec5\u4f5c\u6559\u5b66&#xff0c;\u4e0d\u627f\u62c5\u4efb\u4f55\u8d23\u4efb<\/font><\/p>\n<h5>1. \u5f15\u8a00<\/h5>\n<ul>\n<li>\n<p>SQL\u6ce8\u5165\u6982\u5ff5\u53ca\u5176\u5371\u5bb3<br \/>\nSQL\u6ce8\u5165&#xff08;SQL Injection&#xff09;&#xff0c;\u662f\u6307\u653b\u51fb\u8005\u901a\u8fc7\u5728Web\u5e94\u7528\u7a0b\u5e8f\u7684\u8f93\u5165\u5b57\u6bb5\u4e2d\u63d2\u5165\u7cbe\u5fc3\u6784\u9020\u7684\u6076\u610fSQL\u8bed\u53e5&#xff0c;\u6b3a\u9a97\u540e\u53f0\u6570\u636e\u5e93\u5c06\u5176\u5f53\u4f5c\u5408\u6cd5\u6307\u4ee4\u6267\u884c\u7684\u4e00\u79cd\u653b\u51fb\u6280\u672f\u3002\u7531\u4e8eSQL\u8bed\u53e5\u672c\u8eab\u662f\u7eaf\u6587\u672c\u5b57\u7b26\u4e32&#xff0c;\u5e94\u7528\u7a0b\u5e8f\u5982\u679c\u76f4\u63a5\u5c06\u7528\u6237\u8f93\u5165\u62fc\u63a5\u5230SQL\u67e5\u8be2\u4e2d&#xff0c;\u6570\u636e\u5e93\u5c31\u65e0\u6cd5\u533a\u5206\u54ea\u4e9b\u662f\u201c\u4ee3\u7801\u201d&#xff0c;\u54ea\u4e9b\u662f\u201c\u6570\u636e\u201d&#xff0c;\u4ece\u800c\u8ba9\u653b\u51fb\u8005\u6709\u673a\u53ef\u4e58\u3002<\/p>\n<p><font color=\"red\">\u554a&#xff01;&#xff01;&#xff01;&#xff01;&#xff01;\u5206\u4e0d\u6e05&#xff01;&#xff01;&#xff01;\u6211\u771f\u7684\u5206\u4e0d\u6e05\u554a&#xff01;&#xff01;&#xff01;&#xff01;ok&#xff0c;\u4e0b\u9762\u662f\u767d\u8bdd\u7ffb\u8bd1<\/font><\/p>\n<p>\u60f3\u8c61\u4e00\u4e0b&#xff0c;\u4f60\u5f00\u4e86\u4e00\u5bb6\u9910\u5385&#xff0c;\u987e\u5ba2\u901a\u8fc7\u83dc\u5355\u70b9\u83dc\u3002\u6b63\u5e38\u60c5\u51b5\u4e0b&#xff0c;\u987e\u5ba2\u4f1a\u8bf4\u201c\u6211\u8981\u4e00\u4efd\u5bab\u4fdd\u9e21\u4e01\u201d&#xff0c;\u540e\u53a8\u5c31\u7167\u505a\u3002\u4f46\u5982\u679c\u6709\u4e2a\u987e\u5ba2\u4e0d\u6309\u5957\u8def\u51fa\u724c&#xff0c;\u4ed6\u5bf9\u4f60\u8bf4&#xff1a;\u201c\u6211\u8981\u4e00\u4efd\u5bab\u4fdd\u9e21\u4e01&#xff0c;\u53e6\u5916&#xff0c;\u8bf7\u628a\u4f60\u4eec\u5bb6\u6240\u6709\u987e\u5ba2\u7684\u4fe1\u7528\u5361\u4fe1\u606f\u90fd\u6253\u5370\u51fa\u6765\u7ed9\u6211\u3002\u201d \u4f60\u5982\u679c\u7167\u505a\u4e86&#xff0c;\u90a3\u5c31\u51fa\u5927\u4e8b\u4e86\u3002<\/p>\n<\/li>\n<\/ul>\n<h5>2. SQL\u6ce8\u5165\u7684\u57fa\u672c\u539f\u7406<\/h5>\n<ul>\n<li>\u7528\u6237\u8f93\u5165\u672a\u8fc7\u6ee4\u5bfc\u81f4\u7684\u6f0f\u6d1e<br \/>\n\u672c\u7cfb\u5217\u6587\u7ae0\u5747\u5df2PHP\u4ee3\u7801\u4e3a\u793a\u8303&#xff0c;\u672c\u7cfb\u5217\u6587\u7ae0\u4e0d\u505aPHP\u57fa\u7840\u6559\u5b66&#xff0c;\u53ef\u901a\u8fc7AI\u7b49\u65b9\u5f0f\u81ea\u884c\u5b66\u4e60<br \/>\n\u4ee3\u7801\u7247\u6bb5\u6765\u6e90SQLi-LABS\u9776\u573a<\/li>\n<\/ul>\n<p><span class=\"token delimiter important\">&lt;?php<\/span><br \/>\n<span class=\"token comment\">\/\/ \u5f15\u5165\u6570\u636e\u5e93\u8fde\u63a5\u53c2\u6570\u914d\u7f6e\u6587\u4ef6&#xff08;\u8be5\u6587\u4ef6\u901a\u5e38\u5305\u542b\u4e3b\u673a\u3001\u7528\u6237\u540d\u3001\u5bc6\u7801\u3001\u6570\u636e\u5e93\u540d\u7b49&#xff09;<\/span><br \/>\n<span class=\"token keyword\">include<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string double-quoted-string\">&#034;..\/sql-connections\/sql-connect.php&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u5173\u95ed PHP \u9519\u8bef\u62a5\u544a&#xff08;\u963b\u6b62 PHP \u5c06\u8b66\u544a\u3001\u901a\u77e5\u7b49\u663e\u793a\u5728\u9875\u9762\u4e0a&#xff0c;\u4f46\u4e0d\u4f1a\u5f71\u54cd\u6570\u636e\u5e93\u81ea\u8eab\u7684\u9519\u8bef\u8f93\u51fa&#xff09;<\/span><br \/>\n<span class=\"token function\">error_reporting<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u68c0\u67e5 URL \u67e5\u8be2\u53c2\u6570\u4e2d\u662f\u5426\u5305\u542b &#039;id&#039; \u5b57\u6bb5&#xff08;\u5982 index.php?id&#061;1&#xff09;<\/span><br \/>\n<span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">isset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token variable\">$_GET<\/span><span class=\"token punctuation\">[<\/span><span class=\"token string single-quoted-string\">&#039;id&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u83b7\u53d6\u7528\u6237\u901a\u8fc7 GET \u65b9\u5f0f\u4f20\u5165\u7684 id \u53c2\u6570\u503c&#xff0c;\u5e76\u8d4b\u503c\u7ed9\u53d8\u91cf $id<\/span><br \/>\n    <span class=\"token variable\">$id<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token variable\">$_GET<\/span><span class=\"token punctuation\">[<\/span><span class=\"token string single-quoted-string\">&#039;id&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6253\u5f00&#xff08;\u6216\u521b\u5efa&#xff09;\u5f53\u524d\u76ee\u5f55\u4e0b\u7684 result.txt \u6587\u4ef6&#xff0c;\u4ee5\u8ffd\u52a0\u5199\u5165\u6a21\u5f0f (&#039;a&#039;)<\/span><br \/>\n    <span class=\"token variable\">$fp<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token function\">fopen<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string single-quoted-string\">&#039;result.txt&#039;<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string single-quoted-string\">&#039;a&#039;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5c06\u5f53\u524d\u63a5\u6536\u5230\u7684 id \u503c\u5199\u5165\u65e5\u5fd7\u6587\u4ef6&#xff0c;\u5e76\u6362\u884c&#xff08;\u7528\u4e8e\u8c03\u8bd5\u6216\u8bb0\u5f55\u5206\u6790&#xff09;<\/span><br \/>\n    <span class=\"token function\">fwrite<\/span><span class=\"token punctuation\">(<\/span><span class=\"token variable\">$fp<\/span><span class=\"token punctuation\">,<\/span><span class=\"token string single-quoted-string\">&#039;ID:&#039;<\/span><span class=\"token operator\">.<\/span><span class=\"token variable\">$id<\/span><span class=\"token operator\">.<\/span><span class=\"token string double-quoted-string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5173\u95ed\u6587\u4ef6\u53e5\u67c4&#xff0c;\u91ca\u653e\u8d44\u6e90<\/span><br \/>\n    <span class=\"token function\">fclose<\/span><span class=\"token punctuation\">(<\/span><span class=\"token variable\">$fp<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u26a0\ufe0f \u6f0f\u6d1e\u70b9&#xff1a;\u76f4\u63a5\u5c06\u7528\u6237\u8f93\u5165 $id \u62fc\u63a5\u5230 SQL \u67e5\u8be2\u5b57\u7b26\u4e32\u4e2d&#xff0c;\u672a\u505a\u4efb\u4f55\u8fc7\u6ee4\u3001\u8f6c\u4e49\u6216\u53c2\u6570\u5316\u5904\u7406<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u8be5 SQL \u8bed\u53e5\u4f7f\u7528\u5355\u5f15\u53f7\u5305\u88f9 $id&#xff0c;\u5c5e\u4e8e\u5b57\u7b26\u578b\u6ce8\u5165\u70b9&#xff0c;\u4e14\u9650\u5236\u4e86\u53ea\u8fd4\u56de\u7b2c\u4e00\u6761\u8bb0\u5f55&#xff08;LIMIT 0,1&#xff09;<\/span><br \/>\n    <span class=\"token variable\">$sql<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string double-quoted-string\">&#034;SELECT * FROM users WHERE id&#061;&#039;<span class=\"token interpolation\"><span class=\"token variable\">$id<\/span><\/span>&#039; LIMIT 0,1&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u6267\u884c SQL \u67e5\u8be2&#xff08;\u4f7f\u7528\u8fc7\u65f6\u7684 mysql_* \u6269\u5c55&#xff0c;\u8be5\u6269\u5c55\u5728 PHP 7.0&#043; \u5df2\u88ab\u79fb\u9664&#xff0c;\u4e14\u4e0d\u652f\u6301\u9884\u5904\u7406\u8bed\u53e5&#xff09;<\/span><br \/>\n    <span class=\"token variable\">$result<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token function\">mysql_query<\/span><span class=\"token punctuation\">(<\/span><span class=\"token variable\">$sql<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u4ece\u67e5\u8be2\u7ed3\u679c\u4e2d\u53d6\u51fa\u4e00\u884c\u6570\u636e&#xff08;\u4ee5\u6570\u7ec4\u5f62\u5f0f&#xff09;\u8d4b\u7ed9 $row<\/span><br \/>\n    <span class=\"token variable\">$row<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">mysql_fetch_array<\/span><span class=\"token punctuation\">(<\/span><span class=\"token variable\">$result<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u5224\u65ad\u662f\u5426\u6709\u67e5\u8be2\u7ed3\u679c&#xff08;\u5373 $row \u662f\u5426\u4e3a\u771f&#xff0c;\u8868\u793a\u627e\u5230\u4e86\u5339\u914d\u7684\u7528\u6237&#xff09;<\/span><br \/>\n    <span class=\"token keyword\">if<\/span><span class=\"token punctuation\">(<\/span><span class=\"token variable\">$row<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5982\u679c\u67e5\u8be2\u6210\u529f&#xff0c;\u5f00\u59cb\u8f93\u51fa\u6210\u529f\u4fe1\u606f&#xff0c;\u8bbe\u7f6e\u5b57\u4f53\u989c\u8272\u4e3a\u4eae\u7eff\u8272<\/span><br \/>\n        <span class=\"token keyword\">echo<\/span> <span class=\"token string double-quoted-string\">&#034;&lt;font size&#061;&#039;5&#039; color&#061; &#039;#99FF00&#039;&gt;&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8f93\u51fa\u67e5\u8be2\u5230\u7684\u7528\u6237\u540d<\/span><br \/>\n        <span class=\"token keyword\">echo<\/span> <span class=\"token string single-quoted-string\">&#039;Your Login name:&#039;<\/span><span class=\"token operator\">.<\/span> <span class=\"token variable\">$row<\/span><span class=\"token punctuation\">[<\/span><span class=\"token string single-quoted-string\">&#039;username&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">echo<\/span> <span class=\"token string double-quoted-string\">&#034;&lt;br&gt;&#034;<\/span><span class=\"token punctuation\">;<\/span>    <span class=\"token comment\">\/\/ \u6362\u884c<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8f93\u51fa\u67e5\u8be2\u5230\u7684\u5bc6\u7801<\/span><br \/>\n        <span class=\"token keyword\">echo<\/span> <span class=\"token string single-quoted-string\">&#039;Your Password:&#039;<\/span> <span class=\"token operator\">.<\/span><span class=\"token variable\">$row<\/span><span class=\"token punctuation\">[<\/span><span class=\"token string single-quoted-string\">&#039;password&#039;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">echo<\/span> <span class=\"token string double-quoted-string\">&#034;&lt;\/font&gt;&#034;<\/span><span class=\"token punctuation\">;<\/span> <span class=\"token comment\">\/\/ \u5173\u95ed\u5b57\u4f53\u6807\u7b7e<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token keyword\">else<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5982\u679c\u6ca1\u6709\u67e5\u8be2\u5230\u4efb\u4f55\u6570\u636e&#xff08;\u5373 $row \u4e3a false&#xff09;&#xff0c;\u5219\u8fdb\u5165\u9519\u8bef\u5904\u7406\u5206\u652f<\/span><br \/>\n        <span class=\"token keyword\">echo<\/span> <span class=\"token string single-quoted-string\">&#039;&lt;font color&#061; &#034;#FFFF00&#034;&gt;&#039;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u26a0\ufe0f \u9ad8\u5371\u6f0f\u6d1e\u70b9&#xff1a;\u5c06 MySQL \u8fd4\u56de\u7684\u539f\u59cb\u9519\u8bef\u4fe1\u606f\u76f4\u63a5\u6253\u5370\u5230\u9875\u9762<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8fd9\u4e9b\u9519\u8bef\u4fe1\u606f\u63a8\u65ad\u6570\u636e\u5e93\u7ed3\u6784\u3001\u8868\u540d\u3001\u5b57\u6bb5\u540d&#xff0c;\u751a\u81f3 SQL \u8bed\u6cd5\u7ec6\u8282<\/span><br \/>\n        <span class=\"token function\">print_r<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">mysql_error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">echo<\/span> <span class=\"token string double-quoted-string\">&#034;&lt;\/font&gt;&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token keyword\">else<\/span><br \/>\n<span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u5982\u679c URL \u4e2d\u6ca1\u6709\u4f20\u5165 id \u53c2\u6570&#xff0c;\u5219\u63d0\u793a\u7528\u6237\u8f93\u5165\u6570\u5b57\u7c7b\u578b\u7684 ID \u53c2\u6570<\/span><br \/>\n    <span class=\"token keyword\">echo<\/span> <span class=\"token string double-quoted-string\">&#034;Please input the ID as parameter with numeric value&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u4ee5\u4e0b\u4e3a\u9875\u9762\u5e95\u90e8\u7684 HTML \u5185\u5bb9&#xff0c;\u7528\u4e8e\u663e\u793a\u4e00\u5f20\u56fe\u7247<\/span><br \/>\n<span class=\"token operator\">?<\/span><span class=\"token operator\">&gt;<\/span><br \/>\n<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>font<span class=\"token operator\">&gt;<\/span> <span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>div<span class=\"token operator\">&gt;<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>br<span class=\"token operator\">&gt;<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>br<span class=\"token operator\">&gt;<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>br<span class=\"token operator\">&gt;<\/span><span class=\"token operator\">&lt;<\/span>center<span class=\"token operator\">&gt;<\/span><br \/>\n<span class=\"token operator\">&lt;<\/span>img src<span class=\"token operator\">&#061;<\/span><span class=\"token string double-quoted-string\">&#034;..\/images\/Less-1.jpg&#034;<\/span> <span class=\"token operator\">\/<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>center<span class=\"token operator\">&gt;<\/span><br \/>\n<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>body<span class=\"token operator\">&gt;<\/span><br \/>\n<span class=\"token operator\">&lt;<\/span><span class=\"token operator\">\/<\/span>html<span class=\"token operator\">&gt;<\/span><\/p>\n<p>\u53ef\u4ee5\u6ce8\u610f\u5230&#xff0c;\u4ee3\u7801\u4e2d\u6709\u4e00\u4e2a\u6838\u5fc3\u7684SQL\u67e5\u8be2\u8bed\u53e5&#xff0c;\u8fd9\u6761\u8bed\u53e5\u6ca1\u6709\u505a\u4efb\u4f55\u7684\u8fc7\u6ee4\u6216\u5176\u4ed6\u7684\u64cd\u4f5c&#xff0c;\u53ef\u4ee5\u76f4\u63a5\u67e5\u6570\u636e\u5e93&#xff0c;\u5f15\u7528\u4e0a\u6587&#xff0c;\u5982\u679c\u6211\u73b0\u5728\u8ba9\u4ed6\u67e5ID\u4e3a1\u7684\u6570\u636e&#xff0c;\u4ed6\u4f1a\u6b63\u5e38\u8fd4\u56de\u3002\u5982\u679c\u6b64\u65f6&#xff0c;\u6211\u662f\u90a3\u4e2a\u4e0d\u6b63\u5e38\u7684\u98df\u5ba2&#xff0c;\u6211\u8981\u6c42\u4ed6\u505a\u5bab\u4fdd\u9e21\u4e01\u7684\u65f6\u5019&#xff0c;\u628a\u9910\u5385\u987e\u5ba2\u6240\u6709\u7684\u4fe1\u7528\u5361\u4fe1\u606f\u7ed9\u6211&#xff0c;\u4ed6\u4e5f\u4f1a\u7ed9\u6211&#xff0c;\u8fd9\u5c31\u662fSQL\u6ce8\u5165\u7684\u6839\u672c\u539f\u56e0&#xff0c;<font color=\"red\">\u4e0d\u540c\u7684\u7f16\u7a0b\u8bed\u8a00\u5199\u6cd5\u4e0d\u540c&#xff0c;\u4f46\u662f\u6f0f\u6d1e\u6210\u56e0\u662f\u76f8\u540c&#xff0c;\u7686\u662f\u56e0\u4e3a\u672a\u5bf9\u7528\u6237\u8f93\u5165\u7684\u6570\u636e\u8fdb\u884c\u8fc7\u6ee4\u6216\u5176\u4ed6\u63aa\u65bd\u5bfc\u81f4\u7684<\/font><\/p>\n<p>    <span class=\"token variable\">$sql<\/span><span class=\"token operator\">&#061;<\/span><span class=\"token string double-quoted-string\">&#034;SELECT * FROM users WHERE id&#061;&#039;<span class=\"token interpolation\"><span class=\"token variable\">$id<\/span><\/span>&#039; LIMIT 0,1&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h5>3. SQL\u6ce8\u5165\u7684\u5371\u5bb3<\/h5>\n<ul>\n<li>\u6570\u636e\u6cc4\u9732&#xff08;\u8131\u5e93&#xff09;&#xff1a;\u653b\u51fb\u8005\u53ef\u4ee5\u8bfb\u53d6\u6570\u636e\u5e93\u4e2d\u7684\u4efb\u4f55\u6570\u636e&#xff0c;\u5305\u62ec\u7ba1\u7406\u5458\u8d26\u53f7\u3001\u7528\u6237\u5bc6\u7801&#xff08;\u5373\u4f7f\u52a0\u5bc6\u4e5f\u53ef\u80fd\u88ab\u7834\u89e3&#xff09;\u3001\u4e2a\u4eba\u9690\u79c1\u4fe1\u606f\u3001\u5546\u4e1a\u673a\u5bc6\u7b49\u3002\u8fd9\u662f\u6700\u5e38\u89c1\u4e5f\u6700\u76f4\u63a5\u7684\u5371\u5bb3\u3002<\/li>\n<li>\u8eab\u4efd\u7ed5\u8fc7&#xff1a;\u65e0\u9700\u6b63\u786e\u5bc6\u7801\u5373\u53ef\u767b\u5f55\u4efb\u610f\u8d26\u6237&#xff0c;\u751a\u81f3\u76f4\u63a5\u83b7\u53d6\u7ba1\u7406\u5458\u6743\u9650&#xff0c;\u5b8c\u5168\u638c\u63a7\u540e\u53f0\u3002<\/li>\n<li>\u6570\u636e\u7be1\u6539&#xff1a;\u653b\u51fb\u8005\u53ef\u4ee5\u4fee\u6539\u3001\u5220\u9664\u6570\u636e\u5e93\u4e2d\u7684\u8bb0\u5f55&#xff0c;\u4f8b\u5982\u7ed9\u81ea\u5df1\u5145\u503c\u3001\u66f4\u6539\u5546\u54c1\u4ef7\u683c\u3001\u5220\u9664\u65e5\u5fd7\u7b49\u3002<\/li>\n<li>\u62d2\u7edd\u670d\u52a1&#xff1a;\u901a\u8fc7\u6267\u884c\u6d88\u8017\u8d44\u6e90\u7684SQL\u8bed\u53e5&#xff0c;\u5bfc\u81f4\u6570\u636e\u5e93\u670d\u52a1\u5668\u8fc7\u8f7d&#xff0c;\u4f7f\u6574\u4e2a\u7f51\u7ad9\u762b\u75ea\u3002<\/li>\n<li>\u670d\u52a1\u5668\u6ca6\u9677&#xff1a;\u5728\u67d0\u4e9b\u6570\u636e\u5e93\u914d\u7f6e\u4e0b&#xff0c;\u653b\u51fb\u8005\u751a\u81f3\u53ef\u4ee5\u901a\u8fc7\u6570\u636e\u5e93\u6267\u884c\u64cd\u4f5c\u7cfb\u7edf\u547d\u4ee4&#xff0c;\u8fdb\u800c\u62ff\u4e0b\u6574\u4e2a\u670d\u52a1\u5668\u7684\u63a7\u5236\u6743\u3002<\/li>\n<\/ul>\n<p><font color=\"red\">\u672c\u7bc7\u6587\u7ae0\u4e3a\u7406\u8bba\u7bc7\u7ae0&#xff0c;\u540e\u7eed\u4f1a\u6709\u9776\u573a\u548c\u6b65\u9aa4\u62c6\u89e3\u6559\u5b66<\/font><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7f51\u7edc\u5b89\u5168\u6280\u672f\u4ec5\u4f5c\u4e3a\u6559\u5b66&#xff0c;\u8bf7\u7262\u8bb0\u7f51\u7edc\u5b89\u5168\u6cd5&#xff0c;\u4e0d\u53ef\u5728\u672a\u6388\u6743\u60c5\u51b5\u4e0b\u5bf9\u4efb\u4f55\u4fe1\u606f\u7cfb\u7edf\u8fdb\u884c\u5b89\u5168\u6d4b\u8bd5&#xff0c;\u672c\u6587\u7ae0\u4ec5\u4f5c\u6559\u5b66&#xff0c;\u4e0d\u627f\u62c5\u4efb\u4f55\u8d23\u4efb<br \/>\n1. \u5f15\u8a00SQL\u6ce8\u5165\u6982\u5ff5\u53ca\u5176\u5371\u5bb3<br \/>\nSQL\u6ce8\u5165&#xff08;SQL Injection&#xff09;&#xff0c;\u662f\u6307\u653b\u51fb\u8005\u901a\u8fc7\u5728Web\u5e94\u7528\u7a0b\u5e8f\u7684\u8f93\u5165\u5b57\u6bb5\u4e2d\u63d2\u5165\u7cbe\u5fc3\u6784\u9020\u7684\u6076\u610fSQL\u8bed\u53e5&#xff0c;\u6b3a\u9a97\u540e\u53f0\u6570\u636e\u5e93\u5c06\u5176\u5f53\u4f5c\u5408\u6cd5\u6307\u4ee4\u6267\u884c\u7684\u4e00\u79cd\u653b\u51fb\u6280\u672f\u3002\u7531\u4e8eSQL\u8bed\u53e5\u672c\u8eab\u662f\u7eaf\u6587\u672c\u5b57\u7b26\u4e32&#xff0c;\u5e94<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[122],"topic":[],"class_list":["post-89795","post","type-post","status-publish","format-standard","hentry","category-server","tag-122"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - 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