工具類2 百分百TokenUtil

package com.tqdk.house.util.moreutils;

import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import com.auth0.jwt.JWT;
import javax.servlet.http.HttpServletRequest;

/**
 * \* Created with IntelliJ IDEA.
 * \* User: lly
 * \* Date: 2020-01-09
 * \* Time: 14:37
 * \* To Change Description And Date And User:
 * \* Description:
 * \
 */
public class TokenUtil {

    public static String getTokenUserId() {
        String token = getRequest().getHeader("token");// 從 http 請求頭中取出 token
        String userId = JWT.decode(token).getAudience().get(0);
        return userId;
    }

    /**
     * 獲取request
     *
     * @return
     */
    public static HttpServletRequest getRequest() {
        ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder
                .getRequestAttributes();
        return requestAttributes == null ? null : requestAttributes.getRequest();
    }
}