我要评论以下是在springboot中接入ai deepseek的过程。我这里的环境是jdk1.8，官网暂时没有java的示例。
1. 创建 api key
新用户会有500万的免费token额度
2. 封装询问deepseek的工具方法
添加key值和询问路径。api_key为你创建的key值。这个在配置文件或者是写在常量文件都可以，我这是写在配置文件里了
接下来就是代码实例了
import com.fasterxml.jackson.databind.jsonnode;
import com.fasterxml.jackson.databind.objectmapper;
import com.zhiwonders.paperserver.service.iauthservice;
import lombok.extern.slf4j.slf4j;
import org.apache.http.client.methods.closeablehttpresponse;
import org.apache.http.client.methods.httppost;
import org.apache.http.entity.stringentity;
import org.apache.http.impl.client.closeablehttpclient;
import org.apache.http.impl.client.httpclients;
import org.springframework.beans.factory.annotation.autowired;
import org.springframework.beans.factory.annotation.value;
import org.springframework.http.mediatype;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.servlet.mvc.method.annotation.sseemitter;
import java.io.bufferedreader;
import java.io.inputstreamreader;
import java.nio.charset.standardcharsets;
import java.util.collections;
import java.util.hashmap;
import java.util.map;
import java.util.concurrent.executorservice;
import java.util.concurrent.executors;
@restcontroller
@requestmapping("/api/v1")
@slf4j
public class openaicontroller {
@value("${ai.config.deepseek.apikey}")
private string api_key;
@value("${ai.config.deepseek.baseurl}")
private string api_url;
@autowired
private iauthservice authservice;
private final executorservice executorservice = executors.newcachedthreadpool();
private final objectmapper objectmapper = new objectmapper();
@postmapping(value = "/chat", produces = mediatype.text_event_stream_value)
public sseemitter chat(
// @requestheader("authorization")string token,
@requestbody string question) {
// string openid = authservice.openid(token);
// if (openid == null) {
// throw new runtimeexception("用户未登录");
// }
sseemitter emitter = new sseemitter(-1l);
executorservice.execute(() -> {
try {
log.info("流式回答开始,问题:{}", question);
try (closeablehttpclient client = httpclients.createdefault()) {
httppost request = new httppost(api_url);
request.setheader("content-type", "application/json");
request.setheader("authorization", "bearer " + api_key);
map<string, object> message = new hashmap<>();
message.put("role", "user");
message.put("content", question);
map<string, object> requestmap = new hashmap<>();
requestmap.put("model", "deepseek-chat");
requestmap.put("messages", collections.singletonlist(message));
requestmap.put("stream", true);
string requestbody = objectmapper.writevalueasstring(requestmap);
request.setentity(new stringentity(requestbody, standardcharsets.utf_8));
try (closeablehttpresponse response = client.execute(request);
bufferedreader reader = new bufferedreader(
new inputstreamreader(response.getentity().getcontent(), standardcharsets.utf_8))) {
string line;
while ((line = reader.readline()) != null) {
if (line.startswith("data: ")) {
string jsondata = line.substring(6);
if ("[done]".equals(jsondata)) {
break;
}
jsonnode node = objectmapper.readtree(jsondata);
string content = node.path("choices")
.path(0)
.path("delta")
.path("content")
.astext("");
if (!content.isempty()) {
emitter.send(content);
}
}
}
log.info("流式回答结束,{}",question);
emitter.complete();
}
} catch (exception e) {
log.error("处理 deepseek 请求时发生错误", e);
emitter.completewitherror(e);
}
} catch (exception e) {
log.error("处理 deepseek 请求时发生错误", e);
emitter.completewitherror(e);
}
});
return emitter;
}
}3.调用测试
curl -v -x post \
http://localhost:8091/api/v1/chat \
-h "content-type: application/json" \
-d '"帮我写一篇2000字的 我的祖国的文字"' \
--no-buffer打开终端输入上述命令回车即可 但是端口必须要和你后端的一致 我这里是8091
4.运行结果
总结
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