在thinkphp框架学习的过程中看到令牌验证的功能
但是作为一个初学者表示并不能理解该功能的用处
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在thinkphp框架学习的过程中看到令牌验证的功能
但是作为一个初学者表示并不能理解该功能的用处
防止重复提交和CSRF攻击
就是防止用户重复提交，只有拿到了令牌才能提交而且该令牌只能用一次
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