java调用文心一言API的方法实现过程

话不多说，直接上干货：

一、首先去官网注册一个账号百度智能云-登录 (baidu.com)，注fnutqcqc册完成后等待审核，审核后就可以去控制台操作啦！

二、根据官网介绍，由于文心一言属于收费产品（也有免费的，但功能限制），因此建议可以充值几块钱，足以做实验用了。我这里用的是“千帆大模型”产品。

三、代码实现过程：

 1）调用工具：

package utils;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import okhttp3.*;

import Java.io.*;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.HashMap;

public class ChineseGPT {
    static final OkHttpClient HTTP_CLIENT = new OkHttpClient().newBuilder().build();

    public static void main(String []args) throws IOException{
        //1、获取token
        String Access_token = new ChineseGPT().getWenxinToken();
        //2、访问数据
        String requestMethod = "POST";
        String body = URLEncoder.encode("junshi","UTF-8");//设置要传的信息
        String url = "https://aip.baidubce.com/rpc/2.0/ai_custom/v1/wenxinworkshop/chat/eb-instant?access_token="+access_token;//post请求时格式
        //测试：访问聚合数据的地区新闻api
        HashMap<String, String> msg = new HashMap<>();
        msg.put("role","user");
        msg.put("content", "帮我写一篇关于介绍吉林市的小短文，大概100字左右");
        ArrayList<HashMap> messages = new ArrayList<>();
        messages.add(msg);
        HashMap<String, Object> requestBody = new HashMap<>();
        requestBody.put("messages", messages);
        String outputStr = JSON.toJSONString(requestBody);
        JSON json = HttpRequest.httpRequest(url,requestMethod,outputStr,"application/json");
        System.out.println(json);
    }

  python  public String getWenxinToken() throws IOException {
        MediaType mediaType = MediaType.parse("application/json");
        RequestBody body = RequestBody.create(mediaType, "");
        Request request = new Request.Builder()
                .url("https://aip.baidubce.com/oauth/2.0/token?client_id=xxxxxxxxxxxxxxxxxx&client_secret=xxxxxxxxxxxxxxxxxx&grant_type=client_credentials") //按官网要求填写你申请的key和相关秘钥
                .method("POST", body)
                .addHeader("Content-Type", "application/json")
                .addHeader("Accept", "application/json")
                .build();
        Response response = HTTP_CLIENT.newCall(request).execute();
        String s = response.body().string();
        JSONObject objects = JSONArray.parseobject(s);
        String msg = objects.getString("access_token");
        System.out.println(msg);
        return msg;
    }
}

2）请求工具：

package utils;

import com.alibaba.fastjson.JSONObject;

import javax.net.ssl.HttpsURLConnection;
import java.io.*;
import java.net.ConnectException;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.util.List;
import java.util.Map;


public class HttpRequest {
    
    /**
     * post/GET远程请求接口并得到返回结果
     *
     * @param requestUrl 请求地址
     * @param requestMethod 请求方法post/GET
     * @return
     */
    public static JSONObject httpRequest(String requestUrl, String requestMethod, String outputStr,String contentType) {
        JSONObject jsonObject = null;
        StringBuffer buffer = new StringBuffer();
        try {

            URL url = new URL(requestUrl);
            HttpURLConnection httpUrlConn = (HttpURLConnection)url.openConnection();
            httpUrlConn.setDoOutput(true);
            httpUrlConn.setDoInput(true);
            httpUrlConn.setUseCaches(false);
            // 设置请求方式（GET/POST）
            httpUrlConn.setRequestMethod(requestMethod);
            //设置头信息
//            httpUrlConn.setRequestProperty("Content-Type","application/x-www-form-urlencoded;charset=UTF-8");
            httpUrlConn.setRequestProperty("Content-Type",contentType);
            httpUrlConn.setRequestProperty("Accept","application/json;charset=UTF-8");
            // 设置连接主机服务器的超时时间：15000毫秒
            httpUrlConn.setConnectTimeout(15000);
            // 设置读取远程返回的数据时间：60000毫秒
            httpUrlConn.setReadTimeout(60000);
            if ("GET".equalsIgnoreCase(requestMethod)){
                httpUrlConn.connect();
            }
            // 当有数据需要提交时
 js           if (null != outputStr) {
                OutputStream outputStream = httpUrlConn.getOutputStream();
                // 注意编码格式，防止js中文乱码
                outputStream.write(outputStr.getBytes("UTF-8"));
                outputStream.close();
            }

            // 将返回的输入流转换成字符串
            InputStream inputStream = httpUrlConn.getInputStream();
            InputStreamReader inputStreamReader = new InputStreamReader(inputStream, "utf-8");
            BufferedReader bufferedReader = new BufferedReader(inputStreamReader);

            String str = null;
            while ((str = bufferedReader.readLine()) != null) {
                buffer.append(str);
            }
            bufferedReader.close();
            inputStreamReader.close();
            // 释放资源
            inputStream.close();
            inputStream = null;
            httpUrlConn.disconnect();
            jsonObject = JSONObject.parseObject(buffer.toString());
        } catch (ConnectException ce) {
        } catc编程客栈h (Exception e) {
        }
        return jsonObject;
    }

}

3）执行main方法执行即可。

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