{"id":3349,"date":"2014-04-12T06:03:30","date_gmt":"2014-04-12T06:03:30","guid":{"rendered":"http:\/\/www.wpadmin.cn\/blog\/?p=3349"},"modified":"2014-04-12T06:03:30","modified_gmt":"2014-04-12T06:03:30","slug":"php%e9%98%b2sql%e6%b3%a8%e5%85%a5%e6%94%bb%e5%87%bb%e7%9a%84%e6%96%b9%e6%b3%95%e6%80%bb%e7%bb%93","status":"publish","type":"post","link":"https:\/\/www.wpadmin.cn\/blog\/3349.html","title":{"rendered":"PHP\u9632SQL\u6ce8\u5165\u653b\u51fb\u7684\u65b9\u6cd5\u603b\u7ed3"},"content":{"rendered":"

1. \u5f3a\u5236\u5b57\u7b26\u683c\u5f0f\uff08\u7c7b\u578b\uff09<\/strong><\/p>\n

\u5728\u5f88\u591a\u65f6\u5019\u6211\u4eec\u8981\u7528\u5230\u7c7b\u4f3cxxx.php?id=xxx\u8fd9\u6837\u7684URL\uff0c\u4e00\u822c\u6765\u8bf4$id\u90fd\u662f\u6574\u578b\u53d8\u91cf\uff0c\u4e3a\u4e86\u9632\u653b\u51fb\u8005\u628a$id\u7be1\u6539\u6210\u653b\u51fb\u8bed\u53e5\uff0c\u8981\u5c3d\u91cf\u5f3a\u5236\u53d8\u91cf\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

PHP\u9632SQL\u6ce8\u5165\u7684\u4ee3\u7801\uff1a<\/p>\n

$id = intval ($_GET[‘id’]);<\/p>\n

\u5f53\u7136\uff0c\u8fd8\u6709\u5176\u5b83\u7684\u53d8\u91cf\u7c7b\u578b\uff0c\u5982\u679c\u6709\u5fc5\u8981\u7684\u8bdd\u5c3d\u91cf\u5f3a\u5236\u4e00\u4e0b\u683c\u5f0f\u3002<\/p>\n

2. SQL\u8bed\u53e5\u4e2d\u5305\u542b\u53d8\u91cf\u52a0\u5f15\u53f7<\/strong><\/p>\n

\u8fd9\u4e00\u70b9\u5f88\u7b80\u5355\uff0c\u4f46\u4e5f\u5bb9\u6613\u517b\u6210\u76f8\u5173\uff0c\u5148\u6765\u770b\u770b\u8fd9\u4e24\u6761SQL\u8bed\u53e5\uff1a<\/p>\n

SQL\u4ee3\u7801\uff1a<\/p>\n

SELECT * FROM article WHERE articleid = \u2018$id\u2019<\/p>\n

SELECT * FROM article WHERE articleid = $id<\/p>\n

\u4e24\u79cd\u5199\u6cd5\u5728\u5404\u79cd\u7a0b\u5e8f\u4e2d\u90fd\u5f88\u666e\u904d\uff0c\u4f46\u5b89\u5168\u6027\u662f\u4e0d\u540c\u7684\uff0c\u7b2c\u4e00\u53e5\u7531\u4e8e\u628a\u53d8\u91cf$id\u653e\u5728\u4e00\u5bf9\u5355\u5f15\u53f7\u4e2d\uff0c\u8fd9\u6837\u4f7f\u5f97\u6211\u4eec\u6240\u63d0\u4ea4\u7684\u53d8\u91cf\u90fd\u53d8\u6210\u4e86\u5b57\u7b26\u4e32\uff0c\u5373\u4f7f\u5305\u542b\u4e86\u6b63\u786e\u7684SQL\u8bed\u53e5\uff0c\u4e5f\u4e0d\u4f1a\u6b63\u5e38\u6267\u884c\uff0c\u800c\u7b2c\u4e8c\u53e5\u4e0d\u540c\uff0c\u7531\u4e8e\u6ca1\u6709\u628a\u53d8\u91cf\u653e\u8fdb\u5355\u5f15\u53f7\u4e2d\uff0c\u90a3\u6211\u4eec\u6240\u63d0\u4ea4\u7684\u4e00\u5207\uff0c\u53ea\u8981\u5305\u542b\u7a7a\u683c\uff0c\u90a3\u7a7a\u683c\u540e\u7684\u53d8\u91cf\u90fd\u4f1a\u4f5c\u4e3aSQL\u8bed\u53e5\u6267\u884c\uff0c\u56e0\u6b64\uff0c\u6211\u4eec\u8981\u517b\u6210\u7ed9SQL\u8bed\u53e5\u4e2d\u53d8\u91cf\u52a0\u5f15\u53f7\u7684\u4e60\u60ef\u3002<\/p>\n

3. URL\u4f2a\u9759\u6001\u5316<\/strong><\/p>\n

URL\u4f2a\u9759\u6001\u5316\u4e5f\u5c31\u662fURL\u91cd\u5199\u6280\u672f\uff0c\u50cfDiscuz\uff01\u4e00\u6837\uff0c\u5c06\u6240\u6709\u7684URL\u90fdrewrite\u6210\u7c7b\u4f3cxxx-xxx-x.html\u683c\u5f0f\uff0c\u5373\u6709\u5229\u4e8eSEO\uff0c\u53c8\u8fbe\u5230\u4e86\u4e00\u5b9a\u7684\u5b89\u5168\u6027\uff0c\u4e5f\u4e0d\u5931\u4e3a\u4e00\u4e2a\u597d\u529e\u6cd5\u3002\u4f46\u662f\u60f3\u5b9e\u73b0PHP\u9632SQL\u6ce8\u5165\uff0c\u524d\u63d0\u662f\u4f60\u5f97\u6709\u4e00\u5b9a\u7684\u201c\u6b63\u5219\u201d\u57fa\u7840\u3002<\/p>\n

4. \u7528PHP\u51fd\u6570\u8fc7\u6ee4\u4e0e\u8f6c\u4e49<\/strong><\/p>\n

PHP\u7684SQL\u6ce8\u5165\u6bd4\u8f83\u91cd\u8981\u7684\u4e00\u70b9\u5c31\u662fGPC\u7684\u8bbe\u7f6e\u95ee\u9898\uff0c\u56e0\u4e3aMYSQL4\u4ee5\u4e0b\u7684\u7248\u672c\u662f\u4e0d\u652f\u6301\u5b50\u8bed\u53e5\u7684\uff0c\u800c\u4e14\u5f53php.ini\u91cc\u7684magic_quotes_gpc\u4e3aOn\u65f6\uff0c\u63d0\u4ea4\u7684\u53d8\u91cf\u4e2d\u6240\u6709\u7684 \u201c \u2018\u00a0 \u201d\uff08\u5355\u5f15\u53f7\uff09\u3001\u201c ” \u201d\uff08\u53cc\u5f15\u53f7\uff09\u3001\u201c \\ \u201d\uff08\u53cd\u659c\u7ebf\uff09\u548c\u7a7a\u5b57\u7b26\u90fd\u4f1a\u81ea\u52a8\u8f6c\u4e3a\u542b\u6709\u53cd\u659c\u7ebf\u7684\u8f6c\u4e49\u5b57\u7b26\uff0c\u7ed9SQL\u6ce8\u5165\u5e26\u6765\u4e0d\u5c11\u7684\u963b\u788d\u3002<\/p>\n

5. \u7528PHP\u7684MySQL\u51fd\u6570\u8fc7\u6ee4\u4e0e\u8f6c\u4e49<\/strong><\/p>\n

PHP\u7684MySQL\u64cd\u4f5c\u51fd\u6570\u4e2d\u6709addslashes()\u3001mysql_real_escape_string()\u3001mysql_escape_string()\u7b49\u51fd\u6570\uff0c\u53ef\u5c06\u7279\u6b8a\u5b57\u7b26\u6216\u53ef\u80fd\u5f15\u8d77\u6570\u636e\u5e93\u64cd\u4f5c\u51fa\u9519\u7684\u5b57\u7b26\u8f6c\u4e49\u3002<\/p>\n

\u90a3\u4e48\u8fd9\u4e09\u4e2a\u529f\u80fd\u51fd\u6570\u4e4b\u95f4\u6709\u4ec0\u4e48\u533a\u522b\u5462\uff1f\u4e0b\u9762\u6211\u4eec\u6765\u8be6\u7ec6\u8bb2\u8ff0\u4e0b\uff1a<\/p>\n

\u2460 addslashes\u7684\u95ee\u9898\u5728\u4e8e\u9ed1\u5ba2\u53ef\u4ee5\u75280xbf27\u6765\u4ee3\u66ff\u5355\u5f15\u53f7\uff0c\u800caddslashes\u53ea\u662f\u5c060xbf27\u4fee\u6539\u4e3a0xbf5c27\uff0c\u79f0\u4e3a\u4e00\u4e2a\u6709\u6548\u7684\u591a\u5b57\u8282\u5b57\u7b26\uff0c\u5176\u4e2d0xbf5c\u4ecd\u4f1a\u88ab\u770b\u505a\u662f\u5355\u5f15\u53f7\uff0c\u6240\u4ee5addslashes\u65e0\u6cd5\u6210\u529f\u62e6\u622a\u3002<\/p>\n

\u5f53\u7136addslashes\u4e5f\u4e0d\u662f\u6beb\u65e0\u7528\u5904\uff0c\u5b83\u662f\u7528\u4e8e\u5355\u5b57\u8282\u5b57\u7b26\u4e32\u7684\u5904\u7406\uff0c\u591a\u5b57\u8282\u5b57\u7b26\u8fd8\u662f\u7528mysql_real_escape_string\u5427\u3002<\/p>\n

\u53e6\u5916\u5bf9\u4e8ephp\u624b\u518c\u4e2dget_magic_quotes_gpc\u7684\u4e3e\u4f8b\uff1a<\/p>\n

\n
\n
if(!get_magic_quotes_gpc()){\r\n  $lastname = addslashes($_POST['lastname']);\r\n}else{\r\n  $lastname = $_POST['lastname'];\r\n}<\/pre>\n<\/div>\n<\/div>\n
\u6700\u597d\u5bf9magic_quotes_gpc\u5df2\u7ecf\u6253\u5f00\u7684\u60c5\u51b5\u4e0b\uff0c\u8fd8\u662f\u5bf9$_POST[‘lastname’]\u8fdb\u884c\u68c0\u67e5\u4e00\u4e0b\u3002<\/p>\n
\u518d\u8bf4\u4e0bmysql_real_escape_string\u548cmysql_escape_string\u8fd92\u4e2a\u51fd\u6570\u7684\u533a\u522b\uff1a<\/p>\n
    \n
  1. mysql_real_escape_string\u5fc5\u987b\u5728\uff08PHP 4 >= 4.3.0, PHP 5\uff09\u7684\u60c5\u51b5\u4e0b\u624d\u80fd\u4f7f\u7528\u3002\u5426\u5219\u53ea\u80fd\u7528mysql_escape_string\u3002<\/li>\n
  2. mysql_real_escape_string\u8003\u8651\u5230\u8fde\u63a5\u7684\u5f53\u524d\u5b57\u7b26\u96c6\uff0c\u800cmysql_escape_string\u4e0d\u8003\u8651\u3002<\/li>\n<\/ol>\n
    discuz\u7684\u9632\u6b62sql\u6ce8\u5165\u5c31\u662f\u7528addslashes\u8fd9\u4e2a\u51fd\u6570\uff1a<\/p>\n
    \n
    \n
    function daddslashes($string, $force = 0, $strip = FALSE) {\r\n    if(!MAGIC_QUOTES_GPC || $force) {\r\n        if(is_array($string)) {\r\n            foreach($string as $key => $val) {\r\n                $string[$key] = daddslashes($val, $force, $strip);\r\n            }\r\n        } else {\r\n            $string = addslashes($strip ? stripslashes($string) : $string);\r\n        }\r\n    }\r\n    return $string;\r\n}<\/pre>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
    1. \u5f3a\u5236\u5b57\u7b26\u683c\u5f0f\uff08\u7c7b\u578b\uff09 \u5728\u5f88\u591a\u65f6\u5019\u6211\u4eec\u8981\u7528\u5230\u7c7b\u4f3cxxx.php?id=xxx\u8fd9\u6837\u7684URL\uff0c\u4e00\u822c\u6765\u8bf4$id\u90fd\u662f\u6574\u578b\u53d8\u91cf\uff0c\u4e3a\u4e86\u9632\u653b\u51fb\u8005\u628a$id\u7be1\u6539\u6210\u653b\u51fb\u8bed\u53e5\uff0c\u8981… <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[54],"tags":[],"_links":{"self":[{"href":"https:\/\/www.wpadmin.cn\/blog\/wp-json\/wp\/v2\/posts\/3349"}],"collection":[{"href":"https:\/\/www.wpadmin.cn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wpadmin.cn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wpadmin.cn\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wpadmin.cn\/blog\/wp-json\/wp\/v2\/comments?post=3349"}],"version-history":[{"count":0,"href":"https:\/\/www.wpadmin.cn\/blog\/wp-json\/wp\/v2\/posts\/3349\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wpadmin.cn\/blog\/wp-json\/wp\/v2\/media?parent=3349"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wpadmin.cn\/blog\/wp-json\/wp\/v2\/categories?post=3349"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wpadmin.cn\/blog\/wp-json\/wp\/v2\/tags?post=3349"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}