4dkankan-after-sale/src/main/java/com/fdkankan/sale/controller/BaseController.java

package com.fdkankan.sale.controller;

import com.auth0.jwt.JWT;
import com.auth0.jwt.interfaces.DecodedJWT;
import com.fdkankan.sale.common.ResultCode;
import com.fdkankan.sale.entity.SysUser;
import com.fdkankan.sale.exception.BusinessException;
import com.fdkankan.sale.service.ISysUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import static com.baomidou.mybatisplus.core.toolkit.IdWorker.getId;

@Component
public class BaseController {
    @Autowired
    protected HttpServletRequest request;
    @Autowired
    ISysUserService sysUserService;

    @Autowired
    protected HttpServletResponse response;

    protected String getToken(){
        return request.getHeader("token");
    }

    protected Long getUserId(){
        String token = request.getHeader("token");
        DecodedJWT jwt = JWT.decode(token);
        Long userId = jwt.getClaim("userId").asLong();
        SysUser sysUser = sysUserService.getByManageId(userId);
        if(sysUser == null){
            throw new BusinessException(ResultCode.USER_NOT_LOGIN);
        }

        return sysUser.getId();
    }


}