关于gif验证码的有关问题
关于gif验证码的问题
发现很多大站如qq,baidu,google,都不用gif动态图做验证码,为啥呢?这个应该破解难度更高啊
大家是否收藏有好的动态验证码,分享下吧
------解决方案--------------------
你应该过图形图像版问
动画化gif拆出帧，其实也是单帧图
gif色彩度低，逆算法要比jpg容易
------解决方案--------------------
http://www.phper.org.cn/?tag=GIF%E5%8A%A8%E7%94%BB+%E9%AA%8C%E8%AF%81%E7%A0%81
这个应该勉强能满足要求了吧，但是实际上和上面那位说的一样，GIF比JPG的更容易破解一些，字符黏在一起的JPG静态扭曲验证码，破解难度更大
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