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   - [微信公众平台登录](oauth/wechat_mp.md)
   - [√ 百度登录](oauth/baidu.md)
   - [√ 钉钉登录](oauth/dingtalk.md)
-  - [开源中国登录](oauth/oschina.md)
+  - [√ 开源中国登录](oauth/oschina.md)
   - [淘宝登录](oauth/taobao.md)
   - [Google登录](oauth/google.md)
   - [Facebook登录](oauth/facebook.md)
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+## 1. 申请应用
+
+### 1.1 登录钉钉开发者中心
+
+1. 登录开源中国：[开源中国](https://www.oschina.net/)
+2. 点击访问应用管理页面：[应用管理](https://www.oschina.net/openapi/client)
+
+
+### 1.2 创建第三方授权应用
+
+1. 在开源中国应用管理页面，点击“创建应用”
+2. 填写基本信息
+![](doc/media/oauth/007acd70.png)
+5. 创建后即可看到 应用ID 和 应用私钥。
+![](doc/media/oauth/895f76da.png)
+
+记录以下三个信息：`应用ID`、`应用私钥`和`回调地址`，后面我们会用到。
+
+
+## 2. 集成JustAuth
+
+### 2.1 引入依赖
+
+```xml
+<dependency>
+  <groupId>me.zhyd.oauth</groupId>
+  <artifactId>JustAuth</artifactId>
+  <version>${latest.version}</version>
+</dependency>
+```
+
+`${latest.version}`表示当前最新的版本，可以在[这儿](https://github.com/justauth/JustAuth/releases)获取最新的版本信息。
+
+### 2.2 创建Request
+
+```java
+AuthRequest authRequest = new AuthOschinaRequest(AuthConfig.builder()
+                .clientId("Client ID")
+                .clientSecret("Client Secret")
+                .redirectUri("应用回调地址")
+                .build());
+```
+
+### 2.3 生成授权地址
+
+我们可以直接使用以下方式生成第三方平台的授权链接：
+```java
+String authorizeUrl = authRequest.authorize(AuthStateUtils.createState());
+```
+这个链接我们可以直接后台重定向跳转，也可以返回到前端后，前端控制跳转。前端控制的好处就是，可以将第三方的授权页嵌入到iframe中，适配网站设计。
+
+
+### 2.4 以上完整代码如下
+
+```java
+import me.zhyd.oauth.config.AuthConfig;
+import me.zhyd.oauth.request.AuthOschinaRequest;
+import me.zhyd.oauth.model.AuthCallback;
+import me.zhyd.oauth.request.AuthRequest;
+import me.zhyd.oauth.utils.AuthStateUtils;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+
+@RestController
+@RequestMapping("/oauth")
+public class RestAuthController {
+
+    @RequestMapping("/render")
+    public void renderAuth(HttpServletResponse response) throws IOException {
+        AuthRequest authRequest = getAuthRequest();
+        response.sendRedirect(authRequest.authorize(AuthStateUtils.createState()));
+    }
+
+    @RequestMapping("/callback")
+    public Object login(AuthCallback callback) {
+        AuthRequest authRequest = getAuthRequest();
+        return authRequest.login(callback);
+    }
+
+    private AuthRequest getAuthRequest() {
+        return new AuthOschinaRequest(AuthConfig.builder()
+                .clientId("应用ID")
+                .clientSecret("应用私钥")
+                .redirectUri("回调地址")
+                .build());
+    }
+}
+```
+授权链接访问成功后会看到以下页面内容：
+![](doc/media/oauth/f403ad52.png) 
+
+点击“连接”即可完成百度的 OAuth 登录。
+
+## 3. 授权结果
+
+注：数据已脱敏
+
+```json
+{
+    "code":2000,
+    "data":{
+        "avatar":"https://oscimg.oschina.net/oscnet/up-2247e2b7c5c9907f70ba2648f9db112d.jpg!/both/50x50?t=1451008261000",
+        "blog":"https://my.oschina.net/yadong0415",
+        "email":"yadong.zhang0415@gmail.com",
+        "gender":"FEMALE",
+        "location":"北京 朝阳",
+        "nickname":"HandsomeBoy丶",
+        "rawUserInfo":{
+            "gender":"female",
+            "name":"HandsomeBoy丶",
+            "location":"北京 朝阳",
+            "id":2564550,
+            "avatar":"https://oscimg.oschina.net/oscnet/up-2247e2b7c5c9907f70ba2648f9db112d.jpg!/both/50x50?t=1451008261000",
+            "email":"yadong.zhang0415@gmail.com",
+            "url":"https://my.oschina.net/yadong0415"
+        },
+        "source":"OSCHINA",
+        "token":{
+            "accessToken":"826c0ffaae486e45a657",
+            "expireIn":604799,
+            "refreshToken":"dc83aa5aaafc786cf",
+            "uid":"2aaa0"
+        },
+        "username":"HandsomeBoy丶",
+        "uuid":"2aa0"
+    }
+}
+```
+
+## 3. 推荐
+
+官方推荐使用 [JustAuth-demo](https://github.com/justauth/JustAuth-demo) 示例项目进行测试。
+
+使用步骤：
+1. clone： [https://github.com/justauth/JustAuth-demo.git](https://github.com/justauth/JustAuth-demo.git)
+2. 将上面申请的应用信息填入到`RestAuthController#getAuthRequest`方法的对应位置中：
+![](doc/media/oauth/e1a40945.png)
+3. 启动项目，访问 [http://localhost:8443](http://localhost:8443)
+4. 选择对应的平台进行授权登录
+![](doc/media/oauth/da2bc692.png)
+5. 登录完成后，可以访问[http://localhost:8443/users](http://localhost:8443/users)查看已授权的用户
+![](doc/media/oauth/dbe6bcae.png)
+
+注：
+1. 如果直接使用 JustAuth-demo 项目进行测试，那么在配置测试应用的“回调地址”时要严格按照以下格式配置：`http://localhost:8443/oauth/callback/{平台名}`
+2. 平台名参考 `JustAuthPlatformInfo` 枚举类 `names`
+
+