Shiro之前后端分离时获取请求头Authorization中的token

package com.boku.www.controller;

import org.apache.shiro.web.servlet.ShiroHttpServletRequest;
import org.apache.shiro.web.session.mgt.DefaultWebSessionManager;
import org.apache.shiro.web.util.WebUtils;
import org.springframework.web.bind.annotation.*;

import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import java.io.Serializable;

/**

• 〈一句话功能简述〉
  

• 〈获取token〉

• @author dell

• @create 2018/11/15

• @since 1.0.0
  */

  @RestController
  @CrossOrigin//解决跨域问题
  public class CustomDefaultWebSessionManager extends DefaultWebSessionManager {

  /**

  • 获取session id
  • 前后端分离将从请求头中获取sesssionid
    */
    @RequestMapping(value = “/getSessionId”,method= RequestMethod.POST)
    @ResponseBody
    @Override
    protected Serializable getSessionId(ServletRequest request, ServletResponse response) {
    // 从请求头中获取token
    String token = WebUtils.toHttp(request).getHeader(“Authorization”);
    // 判断是否有值
    if (token != null && token.length()>0) {
    // 设置当前session状态
    request.setAttribute(ShiroHttpServletRequest.REFERENCED_SESSION_ID_SOURCE, “url”);
    request.setAttribute(ShiroHttpServletRequest.REFERENCED_SESSION_ID, token);
    request.setAttribute(ShiroHttpServletRequest.REFERENCED_SESSION_ID_IS_VALID, Boolean.TRUE);
    return token;
    }
    // 若header获取不到token则尝试从cookie中获取
    return super.getSessionId(request, response);
    }
    }