springmvc使用threadlocal保存用户登录信息怎么实现

Question

项目使用的是springmvc+mybatis的，每次请求使用aspect拦截，在service中怎么用threadlocal替代session获取用户登录信息

Answer 1

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Answer 2

定义一个拦截器，每次请求拦截到token，获取到用户信息，然后put到threadlocal里，service里可以直接get