旗开得胜

src/test/java/com/greenorange/promotion/GreenOrangeApplicationTests.java

@@ -1,13 +1,20 @@
 package com.greenorange.promotion;
 
+import com.auth0.jwt.JWT;
+import com.auth0.jwt.algorithms.Algorithm;
 import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;
 
+import java.util.Calendar;
+import java.util.HashMap;
+
 @SpringBootTest
 class GreenOrangeApplicationTests {
 
     @Test
     void contextLoads() {
+
+
     }
 
 }

src/test/java/com/greenorange/promotion/JwtDemo.java

@@ -0,0 +1,47 @@
+package com.greenorange.promotion;
+
+import com.auth0.jwt.JWT;
+import com.auth0.jwt.algorithms.Algorithm;
+import com.auth0.jwt.interfaces.DecodedJWT;
+
+import com.auth0.jwt.interfaces.JWTVerifier;
+import org.junit.jupiter.api.Test;
+
+import java.util.Calendar;
+import java.util.HashMap;
+
+public class JwtDemo {
+
+    @Test
+    public void test() {
+
+        HashMap<String, Object> map = new HashMap<>();
+
+        Calendar instance = Calendar.getInstance();
+        // 20秒后令牌token失效
+        instance.add(Calendar.HOUR,1);
+
+        String token = JWT.create()
+                .withHeader(map) // header可以不写，因为默认值就是它
+                .withClaim("userId", 21)  //payload
+                .withClaim("username", "xiaoshuang")
+                .withExpiresAt(instance.getTime()) // 指定令牌的过期时间
+                .sign(Algorithm.HMAC256("XIAOSHUANG"));//签名
+
+        System.out.println(token);
+    }
+
+    @Test
+    public void testVerifier(){
+        // 通过签名生成验证对象
+        JWTVerifier jwtVerifier = JWT.require(Algorithm.HMAC256("XIAOSHUANG")).build();
+
+        DecodedJWT verify = jwtVerifier.verify("eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJleHAiOjE3NDU0NjE4NDYsInVzZXJJZCI6MjEsInVzZXJuYW1lIjoieGlhb3NodWFuZyJ9.oN1KdeASH4yqjJBn4hb9jux_VWXWXRz9DSE81RML9Ak");
+        System.out.println(verify.getClaim("userId"));
+        System.out.println(verify.getClaim("username"));
+        System.out.println("令牌过期时间："+verify.getExpiresAt());
+
+    }
+
+
+}