最简单的 post 请求发起方式、调用其它系统接口

import cn.com.infinitus.yunxiao.jira.vo.EpicVo;
import com.alibaba.fastjson.JSONObject;
import lombok.Getter;
import lombok.Setter;
import okhttp3.*;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;

import java.io.IOException;
import java.util.Base64;
import java.util.HashMap;
import java.util.Map;


@Service
public class Yunxiao {

    @Setter
    @Getter
    @Value("${project.createProjectUrl}")
    private String createProjectUrl; // 创建项目 URL

    ...

    public Map<String, Object> createEpic(projectVo vo) throws IOException {

       
        OkHttpClient client = new OkHttpClient();
        RequestBody body = RequestBody.create(JSON, vo.toString());
        Request request = new Request.Builder()
                .addHeader("Authorization", authorization)
                .url(createProjectUrl)
                .post(body)
                .build();
        Response response = client.newCall(request).execute();
        // 如 {"id":10004,"msg":"d22已存在，勿重复添加","content":null} 
        String msg = response.body().string();
        JSONObject obj = JSONObject.parseObject(msg);
        Object message = obj.get("msg");

        ...

    }

}