{"id":46997,"date":"2024-12-02T17:46:04","date_gmt":"2024-12-02T09:46:04","guid":{"rendered":"https:\/\/fwq.ai\/blog\/46997\/"},"modified":"2024-12-02T17:46:04","modified_gmt":"2024-12-02T09:46:04","slug":"php%e5%87%bd%e6%95%b0%e5%ae%89%e5%85%a8%e4%bd%bf%e7%94%a8%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/46997\/","title":{"rendered":"php\u51fd\u6570\u5b89\u5168\u4f7f\u7528\u6307\u5357"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>php\u51fd\u6570\u5b89\u5168\u4f7f\u7528\u6307\u5357<\/h1>\n<p>\u5728IT\u884c\u4e1a\u8fd9\u4e2a\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u5f88\u5feb\u7684\u884c\u4e1a\uff0c\u53ea\u6709\u4e0d\u505c\u6b62\u7684\u5b66\u4e60\uff0c\u624d\u4e0d\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u5982\u679c\u4f60\u662f\u6587\u7ae0\u5b66\u4e60\u8005\uff0c\u90a3\u4e48\u672c\u6587\u300aphp\u51fd\u6570\u5b89\u5168\u4f7f\u7528\u6307\u5357\u300b\u5c31\u5f88\u9002\u5408\u4f60\uff01\u672c\u7bc7\u5185\u5bb9\u4e3b\u8981\u5305\u62ec##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p>PHP \u51fd\u6570\u5b89\u5168\u4f7f\u7528\u6307\u5357\uff1a\u4e3a\u4e86\u5b89\u5168\u4f7f\u7528 PHP \u51fd\u6570\uff0c\u9075\u5faa\u4ee5\u4e0b\u6700\u4f73\u5b9e\u8df5\u81f3\u5173\u91cd\u8981\uff1a\u4f7f\u7528\u51fd\u6570\u7684\u53c2\u6570\u8fc7\u6ee4\u8f93\u5165\uff0c\u9632\u6b62\u6076\u610f\u4ee3\u7801\u6216 SQL \u6ce8\u5165\u653b\u51fb\u3002\u5bf9\u6587\u4ef6\u548c\u76ee\u5f55\u6743\u9650\u8fdb\u884c\u63a7\u5236\uff0c\u9650\u5236\u5bf9\u654f\u611f\u6570\u636e\u7684\u8bbf\u95ee\u3002\u5728\u6570\u636e\u5e93\u4ea4\u4e92\u4e2d\u4f7f\u7528\u9884\u5907\u8bed\u53e5\u6216\u53c2\u6570\u5316\u67e5\u8be2\uff0c\u9632\u6b62 SQL \u6ce8\u5165\u653b\u51fb\u3002\u542f\u7528 HTTPS \u548c\u4f7f\u7528\u5b89\u5168\u4ee4\u724c\uff0c\u4fdd\u62a4\u4f1a\u8bdd\u514d\u53d7\u52ab\u6301\u3002\u8fd9\u4e9b\u63aa\u65bd\u53ef\u6709\u6548\u9632\u6b62\u5b89\u5168\u6f0f\u6d1e\uff0c\u4fdd\u62a4\u5e94\u7528\u7a0b\u5e8f\u514d\u53d7\u6076\u610f\u5229\u7528\u548c\u6570\u636e\u6cc4\u9732\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241025\/1729859135671b8e3f608da.jpg\" class=\"aligncenter\" title=\"php\u51fd\u6570\u5b89\u5168\u4f7f\u7528\u6307\u5357\u63d2\u56fe\" alt=\"php\u51fd\u6570\u5b89\u5168\u4f7f\u7528\u6307\u5357\u63d2\u56fe\" \/><\/p>\n<p><strong>PHP \u51fd\u6570\u5b89\u5168\u4f7f\u7528\u6307\u5357<\/strong><\/p>\n<p><strong>\u5f15\u8a00<\/strong><\/p>\n<p>\u5728 PHP \u7f16\u7a0b\u4e2d\uff0c\u51fd\u6570\u662f\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u7ec4\u7ec7\u4ee3\u7801\u5e76\u589e\u5f3a\u53ef\u91cd\u7528\u6027\u3002\u7136\u800c\uff0c\u5728\u4f7f\u7528\u51fd\u6570\u65f6\uff0c\u786e\u4fdd\u5176\u5b89\u5168\u81f3\u5173\u91cd\u8981\uff0c\u4ee5\u9632\u6b62\u6076\u610f\u5229\u7528\u548c\u6570\u636e\u6cc4\u9732\u3002<\/p>\n<p><strong>\u5e38\u89c1 PHP \u51fd\u6570\u5b89\u5168\u9690\u60a3<\/strong><\/p>\n<p>PHP \u4e2d\u5e38\u7528\u7684\u67d0\u4e9b\u51fd\u6570\u5b58\u5728\u6f5c\u5728\u7684\u5b89\u5168\u9690\u60a3\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u8f93\u5165\u8fc7\u6ee4\uff1a<\/strong> \u8fd9\u4e9b\u51fd\u6570\u4ece\u5916\u90e8\u6765\u6e90\u63a5\u6536\u8f93\u5165\uff0c\u4f8b\u5982 <code>$_GET<\/code>\u3001<code>$_POST<\/code> \u6216 <code>file_get_contents<\/code>\u3002\u5982\u679c\u4e0d\u6b63\u786e\u5730\u8fc7\u6ee4\u8f93\u5165\uff0c\u653b\u51fb\u8005\u53ef\u80fd\u4f1a\u6ce8\u5165\u6076\u610f\u4ee3\u7801\u3002<\/li>\n<li><strong>\u6587\u4ef6\u64cd\u4f5c\uff1a<\/strong> \u4f7f\u7528 <code>fopen()<\/code>\u3001<code>fwrite()<\/code> \u548c <code>unlink()<\/code> \u7b49\u51fd\u6570\u65f6\uff0c\u786e\u4fdd\u4ec5\u5bf9\u6388\u6743\u7528\u6237\u6388\u4e88\u5bf9\u6587\u4ef6\u6216\u76ee\u5f55\u7684\u8bbf\u95ee\u6743\u9650\u3002<\/li>\n<li><strong>\u6570\u636e\u5e93\u8fde\u63a5\uff1a<\/strong> \u5728\u4e0e\u6570\u636e\u5e93\u8fdb\u884c\u4ea4\u4e92\u65f6\uff0c\u4f7f\u7528\u9884\u5907\u8bed\u53e5\u6216\u53c2\u6570\u5316\u67e5\u8be2\u6765\u9632\u6b62 SQL \u6ce8\u5165\u653b\u51fb\u3002<\/li>\n<li><strong>\u4f1a\u8bdd\u7ba1\u7406\uff1a<\/strong> \u5728\u7ba1\u7406\u4f1a\u8bdd\u65f6\uff0c\u542f\u7528 HTTPS \u5e76\u4f7f\u7528\u5b89\u5168\u4f1a\u8bdd\u4ee4\u724c\u4ee5\u9632\u6b62\u4f1a\u8bdd\u52ab\u6301\u3002<\/li>\n<\/ul>\n<p><strong>\u6700\u4f73\u5b9e\u8df5<\/strong><\/p>\n<p>\u4e3a\u4e86\u5b89\u5168\u4f7f\u7528 PHP \u51fd\u6570\uff0c\u8bf7\u9075\u5faa\u4ee5\u4e0b\u6700\u4f73\u5b9e\u8df5\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u51fd\u6570\u7684\u53c2\u6570\u8fc7\u6ee4\u8f93\u5165\uff1a<\/strong> \u8f93\u5165\u8fc7\u6ee4\u51fd\u6570\uff08\u4f8b\u5982 <code>filter_input()<\/code>\uff09\u53ef\u4ee5\u9a8c\u8bc1\u548c\u6e05\u7406\u8f93\u5165\uff0c\u9632\u6b62\u6076\u610f\u4ee3\u7801\u6216 SQL \u6ce8\u5165\u653b\u51fb\u3002<\/li>\n<li><strong>\u5bf9\u6587\u4ef6\u548c\u76ee\u5f55\u6743\u9650\u8fdb\u884c\u63a7\u5236\uff1a<\/strong> \u4f7f\u7528\u9002\u5f53\u7684 <code>chmod()<\/code> \u8bbe\u7f6e\u6765\u9650\u5236\u5bf9\u6587\u4ef6\u548c\u76ee\u5f55\u7684\u8bbf\u95ee\u6743\u9650\u3002<\/li>\n<li><strong>\u4f7f\u7528\u9884\u5907\u8bed\u53e5\u6216\u53c2\u6570\u5316\u67e5\u8be2\uff1a<\/strong> \u5728\u6570\u636e\u5e93\u4ea4\u4e92\u4e2d\u4f7f\u7528\u9884\u5907\u8bed\u53e5\u6216\u53c2\u6570\u5316\u67e5\u8be2\u53ef\u9632\u6b62 SQL \u6ce8\u5165\u653b\u51fb\u3002<\/li>\n<li><strong>\u542f\u7528 HTTPS \u548c\u4f7f\u7528\u5b89\u5168\u4ee4\u724c\uff1a<\/strong> \u4e3a\u4f1a\u8bdd\u7ba1\u7406\u542f\u7528 HTTPS \u5e76\u4f7f\u7528\u5b89\u5168\u4ee4\u724c\u53ef\u4ee5\u4fdd\u62a4\u4f1a\u8bdd\u514d\u53d7\u52ab\u6301\u3002<\/li>\n<\/ul>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u8ba9\u6211\u4eec\u8003\u8651\u4e00\u4e2a\u767b\u5f55\u8868\u5355\uff0c\u5b83\u4f7f\u7528 <code>$_POST<\/code> \u6570\u7ec4\u4ece\u7528\u6237\u5904\u6536\u96c6\u6570\u636e\u3002\u5982\u679c\u4e0d\u8fdb\u884c\u9002\u5f53\u7684\u9a8c\u8bc1\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u901a\u8fc7\u63d0\u4ea4\u6076\u610f\u8f93\u5165\u6765\u5229\u7528\u8be5\u8868\u5355\u8fdb\u884c SQL \u6ce8\u5165\u653b\u51fb\u3002<\/p>\n<p><strong>\u4e0d\u5b89\u5168\u7684\u4ee3\u7801\uff1a<\/strong><\/p>\n<pre>$username = $_POST['username'];\n$password = $_POST['password'];\n\n$query = \"SELECT * FROM users WHERE username='$username' AND password='$password'\";<\/pre>\n<p><strong>\u5b89\u5168\u7684\u4ee3\u7801\uff1a<\/strong><\/p>\n<pre>$username = filter_input(INPUT_POST, 'username', FILTER_SANITIZE_STRING);\n$password = filter_input(INPUT_POST, 'password', FILTER_SANITIZE_STRING);\n\n$stmt = $conn-&gt;prepare(\"SELECT * FROM users WHERE username=? AND password=?\");\n$stmt-&gt;bind_param('ss', $username, $password);\n$stmt-&gt;execute();<\/pre>\n<p><strong>\u7ed3\u8bba<\/strong><\/p>\n<p>\u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u6700\u4f73\u5b9e\u8df5\u5e76\u91c7\u7528\u5177\u4f53\u7684\u9884\u9632\u63aa\u65bd\uff0cPHP \u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u786e\u4fdd\u51fd\u6570\u7684\u5b89\u5168\u4f7f\u7528\uff0c\u4ece\u800c\u4fdd\u62a4\u5e94\u7528\u7a0b\u5e8f\u514d\u53d7\u5b89\u5168\u6f0f\u6d1e\u7684\u4fb5\u5bb3\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\u7c73\u4e91\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>php\u51fd\u6570\u5b89\u5168\u4f7f\u7528\u6307\u5357 \u5728IT\u884c\u4e1a\u8fd9\u4e2a\u53d1\u5c55\u66f4\u65b0\u901f\u5ea6\u5f88\u5feb\u7684\u884c\u4e1a\uff0c\u53ea\u6709\u4e0d\u505c\u6b62\u7684\u5b66\u4e60\uff0c\u624d\u4e0d\u4f1a\u88ab\u884c\u4e1a\u6240\u6dd8\u6c70\u3002\u5982\u679c\u4f60\u662f\u6587\u7ae0\u5b66\u4e60\u8005\uff0c\u90a3\u4e48\u672c\u6587\u300aphp\u51fd\u6570\u5b89\u5168\u4f7f\u7528\u6307\u5357\u300b\u5c31\u5f88\u9002\u5408\u4f60\uff01\u672c\u7bc7\u5185\u5bb9\u4e3b\u8981\u5305\u62ec##content_title##\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01 PHP \u51fd\u6570\u5b89\u5168\u4f7f\u7528\u6307\u5357\uff1a\u4e3a\u4e86\u5b89\u5168\u4f7f\u7528 PHP \u51fd\u6570\uff0c\u9075\u5faa\u4ee5\u4e0b\u6700\u4f73\u5b9e\u8df5\u81f3\u5173\u91cd\u8981\uff1a\u4f7f\u7528\u51fd\u6570\u7684\u53c2\u6570\u8fc7\u6ee4\u8f93\u5165\uff0c\u9632\u6b62\u6076\u610f\u4ee3\u7801\u6216 SQL \u6ce8\u5165\u653b\u51fb\u3002\u5bf9\u6587\u4ef6\u548c\u76ee\u5f55\u6743\u9650\u8fdb\u884c\u63a7\u5236\uff0c\u9650\u5236\u5bf9\u654f\u611f\u6570\u636e\u7684\u8bbf\u95ee\u3002\u5728\u6570\u636e\u5e93\u4ea4\u4e92\u4e2d\u4f7f\u7528\u9884\u5907\u8bed\u53e5\u6216\u53c2\u6570\u5316\u67e5\u8be2\uff0c\u9632\u6b62 SQL \u6ce8\u5165\u653b\u51fb\u3002\u542f\u7528 HTTPS \u548c\u4f7f\u7528\u5b89\u5168\u4ee4\u724c\uff0c\u4fdd\u62a4\u4f1a\u8bdd\u514d\u53d7\u52ab\u6301\u3002\u8fd9\u4e9b\u63aa\u65bd\u53ef\u6709\u6548\u9632\u6b62\u5b89\u5168\u6f0f\u6d1e\uff0c\u4fdd\u62a4\u5e94\u7528\u7a0b\u5e8f\u514d\u53d7\u6076\u610f\u5229\u7528\u548c\u6570\u636e\u6cc4\u9732\u3002 PHP \u51fd\u6570\u5b89\u5168\u4f7f\u7528\u6307\u5357 \u5f15\u8a00 \u5728 PHP \u7f16\u7a0b\u4e2d\uff0c\u51fd\u6570\u662f\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u7ec4\u7ec7\u4ee3\u7801\u5e76\u589e\u5f3a\u53ef\u91cd\u7528\u6027\u3002\u7136\u800c\uff0c\u5728\u4f7f\u7528\u51fd\u6570\u65f6\uff0c\u786e\u4fdd\u5176\u5b89\u5168\u81f3\u5173\u91cd\u8981\uff0c\u4ee5\u9632\u6b62\u6076\u610f\u5229\u7528\u548c\u6570\u636e\u6cc4\u9732\u3002 \u5e38\u89c1 PHP \u51fd\u6570\u5b89\u5168\u9690\u60a3 PHP \u4e2d\u5e38\u7528\u7684\u67d0\u4e9b\u51fd\u6570\u5b58\u5728\u6f5c\u5728\u7684\u5b89\u5168\u9690\u60a3\uff0c\u5305\u62ec\uff1a \u8f93\u5165\u8fc7\u6ee4\uff1a \u8fd9\u4e9b\u51fd\u6570\u4ece\u5916\u90e8\u6765\u6e90\u63a5\u6536\u8f93\u5165\uff0c\u4f8b\u5982 $_GET\u3001$_POST \u6216 file_get_contents\u3002\u5982\u679c\u4e0d\u6b63\u786e\u5730\u8fc7\u6ee4\u8f93\u5165\uff0c\u653b\u51fb\u8005\u53ef\u80fd\u4f1a\u6ce8\u5165\u6076\u610f\u4ee3\u7801\u3002 \u6587\u4ef6\u64cd\u4f5c\uff1a \u4f7f\u7528 fopen()\u3001fwrite() \u548c unlink() 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