关于session跟验证码
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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