Java接入DeepSeek的保姆级教程(适合新手)

<dependencies>
        <!-- https://mvnrepository.com/artifact/org.springframework.boot/spring-boot-starter-web -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
            <version>3.4.2</version>
        </dependency>
 
        <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-test</artifactId>
        <version>3.4.2</version>
 
    </dependency>
        <!-- https://mvnrepository.com/artifact/org.projectlombok/lombok -->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.18.30</version>
            <scope>provided</scope>
        </dependency>
 
 
        <!-- HTTP客户端 -->
        <dependency>
            <groupId>com.squareup.okhttp3</groupId>
            <artifactId>okhttp</artifactId>
            <version>4.9.0</version>
        </dependency>
 
        <!-- JSON处理 -->
        <dependency>
            <groupId>com.google.code.gson</groupId>
            <artifactId>gson</artifactId>
            <version>2.10.1</version>
        </dependency>
 
        <dependency>
            <groupId>com.mashape.unirest</groupId>
            <artifactId>unirest-java</artifactId>
            <version>1.4.9</version>
        </dependency>
        <dependency>
            <groupId>org.apache.httpcomponents</groupId>
            <artifactId>httpclient</artifactId>
            <version>4.3.6</version>
        </dependency>
        <dependency>
            <groupId>org.apache.httpcomponents</groupId>
            <artifactId>httpasyncclient</artifactId>
            <version>4.0.2</version>
        </dependency>
        <dependency>
            <groupId>org.apache.httpcomponents</groupId>
            <artifactId>httpmime</artifactId>
            <version>4.3.6</version>
        </dependency>
        <dependency>
            <groupId>org.json</groupId>
            <artifactId>json</artifactId>
            <version>20140107</version>
        </dependency>
 
 
    </dependencies>

@Data
@Builder
public class DeeseekRequest {
    private String model;
    private List<Message> messages;
 
    @Data
    @Builder
    public static class Message {
        private String role;
        private String content;
    }
}

package com.wdc.dk;
 
import com.google.gson.Gson;
import com.mashape.unirest.http.HttpResponse;
import com.mashape.unirest.http.Unirest;
import com.mashape.unirest.http.exceptions.UnirestException;
import okhttp3.MediaType;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.Response;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.*;
 
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
 
 
@RestController
public class AIController {
 
    private final Gson gson = new Gson();
   
 
    @PostMapping("tall")
    public String tallQuestion(@org.springframework.web.bind.annotation.RequestBody String question) throws IOException, UnirestException {
 
        Unirest.setTimeouts(0, 0);
 
//DeeseekRequest: 自己的实体类名称
 
        List<DeeseekRequest.Message> messages = new ArrayList<>();
//给deepSeek一个角色
        messages.add(DeeseekRequest.Message.builder().role("system").content("你是一个语言学家").build());
 
// question：说你自己想说的话
        messages.add(DeeseekRequest.Message.builder().role("user").content(question).build());
 
        DeeseekRequest requestBody = DeeseekRequest.builder()
                .model("deepseek-chat")
                .messages(messages)
                .build();
        HttpResponse<String> response = Unirest.post("https://api.deepseek.com/chat/completions")
                .header("Content-Type", "application/json")
                .header("Accept", "application/json")
                .header("Authorization", "Bearer "+"自己的key")
                .body(gson.toJson(requestBody))
               .asString();
        return  response.getBody();
 
    }
}