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php验证码注意事项

WBOY
Release: 2016-06-23 13:29:43
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php制作验证码大概有三种方式:

字符

图片

汉字


这三种方式都比较常规,制作过程中需要注意以下几点:

素材要求:字体文件、图片、字符集

字体采用windows自带的:控制面板搜索"font" 打开字体 搜索 "微软雅黑" 把"wsyh.ttf"复制到php代码所在目录

编码格式:UTF8 无BOM

设置方法很简单,选择另存为utf8无bom即可,不到万不得已别用windows的记事本打开程序文件!

记住是UTF8无BOM

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