========

<dependencies>

    <dependency>

        <groupId>org.springframework.boot</groupId>

        <artifactId>spring-boot-starter-thymeleaf</artifactId>

    </dependency>

    <dependency>

        <groupId>org.springframework.boot</groupId>

        <artifactId>spring-boot-starter-web</artifactId>

    </dependency>

 

    <dependency>

        <groupId>org.springframework.boot</groupId>

        <artifactId>spring-boot-devtools</artifactId>

        <scope>runtime</scope>

        <optional>true</optional>

    </dependency>

 

    <dependency>

        <groupId>org.springframework.boot</groupId>

        <artifactId>spring-boot-starter-test</artifactId>

        <scope>test</scope>

        <exclusions>

            <exclusion>

                <groupId>org.junit.vintage</groupId>

                <artifactId>junit-vintage-engine</artifactId>

            </exclusion>

        </exclusions>

    </dependency>

 

    <!--HTTPClient-->

    <dependency>

        <groupId>com.squareup.okhttp3</groupId>

        <artifactId>okhttp</artifactId>

        <version>4.3.1</version>

    </dependency>

    <dependency>

        <groupId>com.squareup.okhttp3</groupId>

        <artifactId>mockwebserver</artifactId>

        <version>4.3.1</version>

    </dependency>

    <!--JSON-->

    <dependency>

        <groupId>com.alibaba</groupId>

        <artifactId>fastjson</artifactId>

        <version>1.2.58</version>

    </dependency>

</dependencies>

五、代码实例

=======

1、application.properties

---

server.port=8080

 

github.client.id=27dda83xxxxxx36043d4

github.client.secret=01f948axxxxxxef10d9132cfe6083dxxxxxx5f3503

github.redirect.uri=http://localhost:8080/callback

2、GitHubProvider.java

---

package life.majiang.community.provider;

 

import life.majiang.community.dto.AccessTokenDTO;

import life.majiang.community.dto.GitHubUser;

import com.alibaba.fastjson.JSON;

import okhttp3.*;

import org.springframework.stereotype.Component;

 

import java.io.IOException;

 

@Component

public class GitHubProvider {

    private static final MediaType MediaType_JSON

            = MediaType.get("application/json; charset=utf-8");

    public String getAccessToken(AccessTokenDTO accessTokenDTO){

 

        OkHttpClient client = new OkHttpClient();

        RequestBody body = RequestBody.create(JSON.toJSONString(accessTokenDTO), MediaType_JSON);

        Request request = new Request.Builder()

                .url("https://github.com/login/oauth/access_token")

                .post(body)

                .build();

        try (Response response = client.newCall(request).execute()) {

            String resstring = response.body().string();

            String token =resstring.split("&")[0]

                    .split("=")[1];

            return token;

        }catch (IOException e) {

            e.printStackTrace();

        }

        return null;

    }

    public GitHubUser getUser(String AccessToken){

        OkHttpClient client = new OkHttpClient();

        Request request = new Request.Builder()

                .url("https://api.github.com/user?access_token="+AccessToken)

                .build();

        try{

            Response response = client.newCall(request).execute();

            String res = response.body().string();

            GitHubUser gitHubUser = JSON.parseObject(res, GitHubUser.class);

            return gitHubUser;

        } catch (IOException e) {

            e.printStackTrace();

        }

        return null;

    }

}

3、AuthorizeController.java

---

package life.majiang.community.controller;

 

 

import life.majiang.community.dto.AccessTokenDTO;

import life.majiang.community.dto.GitHubUser;

import life.majiang.community.provider.GitHubProvider;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.beans.factory.annotation.Value;

import org.springframework.stereotype.Controller;