tlias管理系统--登录校验-登录接口生成并下发JWT令牌

tlias-web-management/src/main/java/com/inmind/controller/LoginController.java

@@ -3,12 +3,18 @@ package com.inmind.controller;
 import com.inmind.pojo.Emp;
 import com.inmind.pojo.Result;
 import com.inmind.service.EmpService;
+import com.inmind.utils.JwtUtils;
+import io.jsonwebtoken.Claims;
+import io.jsonwebtoken.Jwts;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RestController;
 
+import java.util.HashMap;
+import java.util.Map;
+
 @RestController
 @Slf4j
 public class LoginController {
@@ -21,7 +27,16 @@ public class LoginController {
         //调用业务层的登录操作
         Emp e = empService.login(emp);
         //此时要根据返回的数据，进行登录成功和失败的判断
+        if (e != null) {
+            //生成令牌并下发
+            Map<String, Object> claims = new HashMap<>();
+            claims.put("id", e.getId());
+            claims.put("username", e.getUsername());
+            claims.put("name", e.getName());
+            String jwt = JwtUtils.generateJwt(claims);
+            return Result.success(jwt);
+        }
 
-        return e == null? Result.error("用户名或密码错误"):Result.success();
+        return  Result.error("用户名或密码错误");
     }
 }

tlias-web-management/src/main/java/com/inmind/utils/JwtUtils.java

@@ -0,0 +1,40 @@
+package com.inmind.utils;
+
+import io.jsonwebtoken.Claims;
+import io.jsonwebtoken.Jwts;
+import io.jsonwebtoken.SignatureAlgorithm;
+import java.util.Date;
+import java.util.Map;
+
+public class JwtUtils {
+
+    private static String signKey = "inmind";
+    private static Long expire = 43200000L;
+
+    /**
+     * 生成JWT令牌
+     * @param claims JWT第二部分负载 payload 中存储的内容
+     * @return
+     */
+    public static String generateJwt(Map<String, Object> claims){
+        String jwt = Jwts.builder()
+                .addClaims(claims)
+                .signWith(SignatureAlgorithm.HS256, signKey)
+                .setExpiration(new Date(System.currentTimeMillis() + expire))
+                .compact();
+        return jwt;
+    }
+
+    /**
+     * 解析JWT令牌
+     * @param jwt JWT令牌
+     * @return JWT第二部分负载 payload 中存储的内容
+     */
+    public static Claims parseJWT(String jwt){
+        Claims claims = Jwts.parser()
+                .setSigningKey(signKey)
+                .parseClaimsJws(jwt)
+                .getBody();
+        return claims;
+    }
+}