Java调用DeepSeek实现多轮对话功能_Java

背景

近期deepseek比较火，很多小伙伴尝试用各种语言调用deepseek，最近刚好也有些兴趣，写了一版关于适用java调用deepseek的代码供小白使用。

效果

1.创建api keys

登陆deepseek开放平台deepseek开放平台创建api key

2.参考官网调用文档

地址对话补全 | deepseek api docs

3.多轮对话

代码

最后附上代码，感兴趣的小伙伴可以拿去玩玩

package com.ssc.gdh.phbc.data.serve.strategy.layer;
 
import com.alibaba.fastjson.jsonarray;
import com.alibaba.fastjson.jsonobject;
import com.alibaba.fastjson2.json;
import okhttp3.*;
import org.apache.commons.lang3.stringutils;
 
import java.io.ioexception;
import java.util.scanner;
import java.util.concurrent.timeunit;
 
public class deepseek {
 
    public static void main(string[] args) throws ioexception {
        scanner scanner = new scanner(system.in);
        jsonarray chat = null;
        while (true){
            system.out.print("与deepseek对话，请输入内容（输入 'exit' 退出）：");
            string msg = scanner.nextline(); // 读取一行输入
            okhttpclient client = new okhttpclient().newbuilder()
                    .connecttimeout(10, timeunit.seconds) // 连接超时时间
                    .readtimeout(300, timeunit.seconds)    // 读取超时时间
                    .writetimeout(300, timeunit.seconds)   // 写入超时时间
                    .build();
            // 检查是否退出
            if ("exit".equalsignorecase(msg)) {
                system.out.println("程序已退出。");
                break; // 退出循环
            }
            chat = sendmessage(client, msg, chat);
        }
    }
 
    private static jsonarray sendmessage(okhttpclient client,string question,jsonarray chat) {
        mediatype mediatype = mediatype.parse("application/json");
        jsonobject param = new jsonobject();
        param.put("model","deepseek-chat");
        param.put("frequency_penalty",0);
        param.put("presence_penalty",0);
        jsonarray messages = chat;
 
        if (messages == null){
            messages = new jsonarray();
            jsonobject o1 = new jsonobject();
            o1.put("role","user");
            o1.put("content",question);
            messages.add(o1);
        }else {
            jsonobject o1 = new jsonobject();
            o1.put("role","user");
            o1.put("content",question);
            messages.add(o1);
        }
        param.put("messages",messages);
 
 
//        requestbody body = requestbody.create(mediatype, string.format("{\n  \"messages\": [\n    {\n      \"content\": \"%s\"," +
//                "\n      \"role\": \"user\"\n    },\n    {\n      \"content\": \"%s\",\n      \"role\": \"user\"\n    }\n  ],\n  \"model\": \"deepseek-chat\",\n  \"frequency_penalty\": 0,\n  \"max_tokens\": 2048," +
//                "\n  \"presence_penalty\": 0,\n  \"response_format\": {\n    \"type\": \"text\"\n  },\n  \"stop\": null,\n  \"stream\": false," +
//                "\n  \"stream_options\": null,\n  \"temperature\": 1,\n  \"top_p\": 1,\n  \"tools\": null,\n  \"tool_choice\": \"none\",\n  \"logprobs\": false,\n  \"top_logprobs\": null\n}",question,question1));
 
        requestbody body = requestbody.create(mediatype, json.tojsonstring(param));
        request request = new request.builder()
                .url("https://api.deepseek.com/chat/completions")
                .method("post", body)
                .addheader("content-type", "application/json")
                .addheader("accept", "application/json")
                .addheader("authorization", "bearer 你的api_keys")//你申请的api_keys
                .build();
        try (response response = client.newcall(request).execute()) {
            if (response.issuccessful()) {
                responsebody responsebody = response.body();
                if (responsebody != null) {
                    // 将响应体转换为字符串
                    string responsestring = responsebody.string();
                    jsonobject jsonobject = jsonobject.parseobject(responsestring);
                    jsonarray choices = jsonarray.parsearray(jsonobject.getstring("choices"));
                    string content = jsonobject.parseobject(jsonobject.parseobject(choices.get(0).tostring()).get("message").tostring()).get("content").tostring();
                    if (stringutils.isnotblank(content)){
                        jsonobject o1 = new jsonobject();
                        o1.put("role","assistant");
                        o1.put("content",content);
                        messages.add(o1);
                    }
                    system.out.println(content);
                    return messages;
                }
            } else {
                system.out.println("request failed with code: " + response.code());
            }
        } catch (ioexception e) {
            e.printstacktrace();
        }
        return null;
    }
}

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