fix:补全sso单点登录方法

1.SSO单点登录/sso/src/main/java/com/infinova/sso/SsoApplication.java

@@ -2,10 +2,12 @@ package com.infinova.sso;
 
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.scheduling.annotation.EnableScheduling;
 import org.springframework.web.bind.annotation.RestController;
 
 @SpringBootApplication
 @RestController
+@EnableScheduling
 public class SsoApplication {
 
     public static void main(String[] args) {

1.SSO单点登录/sso/src/main/java/com/infinova/sso/controller/JwtController.java

@@ -37,6 +37,11 @@ public class JwtController {
         return ReturnEntity.successResult(service.checkJwt(token));
     }
 
+    @GetMapping("/refreshJwt")
+    public ReturnEntity refreshJwt(String token){
+        return ReturnEntity.successResult(service.refreshJwt(token));
+    }
+
     @GetMapping("/inValid")
     public ReturnEntity inValid(String token) {
         service.inValid(token);

1.SSO单点登录/sso/src/main/java/com/infinova/sso/service/JwtService.java

@@ -1,5 +1,6 @@
 package com.infinova.sso.service;
 
+import com.auth0.jwt.interfaces.Claim;
 import com.infinova.sso.entity.User;
 import com.infinova.sso.exception.CustomException;
 import com.infinova.sso.util.JwtUtil;
@@ -20,7 +21,6 @@ import java.util.*;
  * @date 2019/3/4 18:17
  */
 @Service
-@EnableScheduling
 public class JwtService {
 
     public static final String JWT_KEY = "jwt_token";
@@ -60,6 +60,21 @@ public class JwtService {
         }
     }
 
+    /**
+     * 过期时间小于半小时，返回新的jwt，否则返回原jwt
+     * @param jwt
+     * @return
+     */
+    public String refreshJwt(String jwt){
+        String secret = RedisUtil.redisTemplate.opsForValue().get(jwt);
+        Map<String, Claim> map = JwtUtil.decode(jwt,secret);
+        if(map.get("exp").asLong()*1000 - System.currentTimeMillis()/1000<30*60*1000){
+            return this.generateNewJwt(map.get("name").asString());
+        }else{
+            return jwt;
+        }
+    }
+
 
     /**
      * Description: 生成新的jwt,并放入jwtMap中