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关于session跟验证码

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Jun 13, 2016 am 11:07 AM

md5nbspsessionthinkphp

关于session和验证码
我在thinkphp中用验证码    验证码可以出来（验证码是存入到session中的）
   然后输出验证码的md5值

发现输出的值   是没有的而刷新网页后输出的验证码md5值是上一次的    以此   每次输出的都是上一次的值

求解下
------解决方案--------------------
验证码是个图片吧？

浏览器获取页面的时候，服务器端还未产生最新的验证码呢……，你说的是合理现象

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