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附上汉字验证码和算式验证码

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Release： 2016-06-07 11:37:49
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话说thinkphp自带的验证码不是太好，下面就附上算式验证码和中文汉字验证码源码。
简单数字或者字母验证码很容易被破解，但是算式验证码或者中文汉字验证码就不那么容易被破解，所以建议大家在使用验证码的时候，尽量用算式验证码或者中文汉字验证码。点击查看算式验证码和中文汉字验证码源码：
验证码(白月网)

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Related labels：
thinkphp代码，代码示例，代码参考，php短信，数据库备份代码，令牌验证，去除代码中的空白和注释汉字验证码 算式验
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