避免SQL注入的相关内容

问答 2021-10-26 来自：开发者社区

使用传统的 mysql_connect 、mysql_query方法来连接查询数据库时，如果过滤不严紧，就有SQL注入风险。虽然可以用mysql_real_escape_string()函数过滤用户提交的值，但是也有缺陷。而使用PHP的PDO扩展的 prepare 方法，就可以避免sql injection 风险。　　PDO(PHP Data Object) 是PHP5新加入的一个重大功能，因....

文章 2016-05-14 来自：开发者社区

避免SQL注入

什么是SQL注入 SQL注入攻击（SQL Injection），简称注入攻击，是Web开发中最常见的一种安全漏洞。可以用它来从数据库获取敏感信息，或者利用数据库的特性执行添加用户，导出文件等一系列恶意操作，甚至有可能获取数据库乃至系统用户最高权限。而造成SQL注入的原因是因为程序没有有效过滤用户的输入，使攻击者成功的向服务器提交恶意的SQL查询代码，程序在接收后错误的将攻击者的输入作为查询语句....

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