| 使用PHP实现图片验证码的方法 |
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| 引用本文： | 刘红坤. 使用PHP实现图片验证码的方法[J]. 计算机时代, 2011, 0(11): 13-14 |
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| 作者姓名： | 刘红坤 |
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| 作者单位： | 保定气象局,河北保定,071000 |
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| 摘 要： | 为了防止非法用户利用试探方法自动登录网站,基于验证码技术,利用PHP语言设计出一种实现图片验证码的具体方法,经过在Web系统登录页面的实际应用发现,该图片验证码能够有效地阻止非法用户的攻击,提高了网络系统的安全性。
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| 关 键 词： | 验证码 PHP 方法 登录 攻击 安全 |
Realization Method of Image Verification Code by Using PHP |
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| LIU Hong-kun. Realization Method of Image Verification Code by Using PHP[J]. Computer Era, 2011, 0(11): 13-14 |
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| Authors: | LIU Hong-kun |
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| Affiliation: | LIU Hong-kun(Baoding Meteorological Office,Baoding,Hebei 071000,China) |
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| Abstract: | In order to prevent illegal users from logging in to the website automatically through exploring way,based on verification code technology,a specific realization method of image verification code is designed by using PHP language.The practical application on Web system login page shows that the image verification code can effectively prevent illegal users from attacking,which increases network system safety. |
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| Keywords: | verification code PHP method login attack safety |
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