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PHP原生实现jwt

知其黑、受其白发布时间：2021-04-23 14:45:47 ，浏览量：4

JWT是什么

JWT是json web token缩写。它将用户信息加密到token里，服务器不保存任何用户信息。

服务器通过使用保存的密钥验证token的正确性，只要正确即通过验证。

基于token的身份验证可以替代传统的cookie+session身份验证方法。

JWT由三个部分组成：header.payload.signature


    
        
            
                
                
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