从"Blog"仓库中分离出来

src/main/java/cn/celess/blog/util/RedisUserUtil.java

@@ -0,0 +1,46 @@
+package cn.celess.blog.util;
+
+import cn.celess.blog.enmu.ResponseEnum;
+import cn.celess.blog.entity.User;
+import cn.celess.blog.exception.MyException;
+import net.sf.json.JSONObject;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import javax.servlet.http.HttpServletRequest;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * @author : xiaohai
+ * @date : 2019/03/08 15:06
+ */
+@Component
+public class RedisUserUtil {
+    @Autowired
+    RedisUtil redisUtil;
+    @Autowired
+    JwtUtil jwtUtil;
+
+    public User get(HttpServletRequest request) {
+        User user = getWithOutExc(request);
+        if (user == null) {
+            throw new MyException(ResponseEnum.HAVE_NOT_LOG_IN);
+        }
+        return user;
+    }
+
+    public User getWithOutExc(HttpServletRequest request) {
+        String token = request.getHeader("Authorization");
+        if (token == null || token.isEmpty()) {
+            return null;
+        }
+        String email = jwtUtil.getUsernameFromToken(token);
+        return (User) JSONObject.toBean(JSONObject.fromObject(redisUtil.get(email + "-login")), User.class);
+    }
+
+    public User set(User user) {
+        redisUtil.setEx(user.getEmail() + "-login", JSONObject.fromObject(user).toString(),
+                redisUtil.getExpire(user.getEmail() + "-login"), TimeUnit.MILLISECONDS);
+        return user;
+    }
+}