完成 yudao-sso-demo-by-code 刷新访问令牌

yudao-example/yudao-sso-demo-by-code/src/main/java/cn/iocoder/yudao/ssodemo/client/OAuth2Client.java

@@ -68,6 +68,12 @@ public class OAuth2Client {
         return exchange.getBody();
     }
 
+    /**
+     * 校验访问令牌，并返回它的基本信息
+     *
+     * @param token 访问令牌
+     * @return 访问令牌的基本信息
+     */
     public CommonResult<OAuth2CheckTokenRespDTO> checkToken(String token) {
         // 1.1 构建请求头
         HttpHeaders headers = new HttpHeaders();
@@ -88,6 +94,33 @@ public class OAuth2Client {
         return exchange.getBody();
     }
 
+    /**
+     * 使用刷新令牌，获得（刷新）访问令牌
+     *
+     * @param refreshToken 刷新令牌
+     * @return 访问令牌
+     */
+    public CommonResult<OAuth2AccessTokenRespDTO> refreshToken(String refreshToken) {
+        // 1.1 构建请求头
+        HttpHeaders headers = new HttpHeaders();
+        headers.setContentType(MediaType.APPLICATION_FORM_URLENCODED);
+        headers.set("tenant-id", TENANT_ID.toString());
+        addClientHeader(headers);
+        // 1.2 构建请求参数
+        MultiValueMap<String, Object> body = new LinkedMultiValueMap<>();
+        body.add("grant_type", "refresh_token");
+        body.add("refresh_token", refreshToken);
+
+        // 2. 执行请求
+        ResponseEntity<CommonResult<OAuth2AccessTokenRespDTO>> exchange = restTemplate.exchange(
+                BASE_URL + "/token",
+                HttpMethod.POST,
+                new HttpEntity<>(body, headers),
+                new ParameterizedTypeReference<CommonResult<OAuth2AccessTokenRespDTO>>() {}); // 解决 CommonResult 的泛型丢失
+        Assert.isTrue(exchange.getStatusCode().is2xxSuccessful(), "响应必须是 200 成功");
+        return exchange.getBody();
+    }
+
     private static void addClientHeader(HttpHeaders headers) {
         // client 拼接，需要 BASE64 编码
         String client = CLIENT_ID + ":" + CLIENT_SECRET;

yudao-example/yudao-sso-demo-by-code/src/main/java/cn/iocoder/yudao/ssodemo/controller/AuthController.java

@@ -30,4 +30,15 @@ public class AuthController {
         return oauth2Client.postAccessToken(code, redirectUri);
     }
 
+    /**
+     * 使用刷新令牌，获得（刷新）访问令牌
+     *
+     * @param refreshToken 刷新令牌
+     * @return 访问令牌；注意，实际项目中，最好创建对应的 ResponseVO 类，只返回必要的字段
+     */
+    @PostMapping("/refresh-token")
+    public CommonResult<OAuth2AccessTokenRespDTO> refreshToken(@RequestParam("refreshToken") String refreshToken) {
+        return oauth2Client.refreshToken(refreshToken);
+    }
+
 }

yudao-example/yudao-sso-demo-by-code/src/main/resources/static/index.html

@@ -47,6 +47,33 @@
       });
 		}
 
+    /**
+		 * 刷新令牌
+     */
+    function refreshToken() {
+      const refreshToken = localStorage.getItem('REFRESH-TOKEN');
+      if (!refreshToken) {
+        alert("获取不到刷新令牌");
+        return;
+			}
+      $.ajax({
+        url: "http://127.0.0.1:18080/auth/refresh-token?refreshToken=" + refreshToken,
+        method: 'POST',
+        success: function (result) {
+          if (result.code !== 0) {
+            alert('刷新访问令牌失败，原因：' + result.msg)
+            return;
+          }
+          alert('更新访问令牌成功！');
+          $('#accessTokenSpan').html(result.data.access_token);
+
+          // 设置到 localStorage 中
+          localStorage.setItem('ACCESS-TOKEN', result.data.access_token);
+          localStorage.setItem('REFRESH-TOKEN', result.data.refresh_token);
+        }
+      });
+		}
+
     $(function () {
       const accessToken = localStorage.getItem('ACCESS-TOKEN');
       // 情况一：未登录
@@ -86,7 +113,7 @@
 	<div id="yesLoginDiv" style="display: none">
 		您已登录！<button>退出登录</button> <br />
 		昵称：<span id="nicknameSpan"> 加载中... </span> <button onclick="updateNickname()">修改昵称</button> <br />
-		访问令牌：<span id="accessTokenSpan"> 加载中... </span> <br />
+		访问令牌：<span id="accessTokenSpan"> 加载中... </span> <button onclick="refreshToken()">刷新令牌</button> <br />
 	</div>
 </body>
 <style>