unity webgl与java连接通信的方式和代码,unity通过http发送请求给java,获得java接口数据的方式和代码,实现可视化信息展示
时间: 2024-02-23 08:00:51 浏览: 18
连接Unity WebGL和Java可以使用HTTP请求。以下是Unity WebGL和Java连接通信的方式和代码:
1. Java端代码
```java
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class HttpServer extends HttpServlet {
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
// 处理Unity发送的GET请求
String response = handleUnityGetRequest(req);
// 发送响应到Unity
resp.getWriter().write(response);
}
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
// 处理Unity发送的POST请求
String response = handleUnityPostRequest(req);
// 发送响应到Unity
resp.getWriter().write(response);
}
private String handleUnityGetRequest(HttpServletRequest req) {
// 处理Unity的GET请求,并返回响应数据
return "Response data";
}
private String handleUnityPostRequest(HttpServletRequest req) {
// 处理Unity的POST请求,并返回响应数据
return "Response data";
}
}
```
2. Unity WebGL端代码
```csharp
using UnityEngine;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using System.Threading;
using UnityEngine.Networking;
public class HttpApiClient : MonoBehaviour {
private const string baseUrl = "http://localhost:8080/";
void Start () {
// 发送GET请求到Java
StartCoroutine(GetRequest());
}
IEnumerator GetRequest() {
using (UnityWebRequest www = UnityWebRequest.Get(baseUrl)) {
yield return www.SendWebRequest();
if (www.result == UnityWebRequest.Result.ConnectionError || www.result == UnityWebRequest.Result.ProtocolError) {
Debug.LogError(www.error);
} else {
// 处理Java发送的响应
Debug.Log(www.downloadHandler.text);
}
}
}
void Update () {
// 发送POST请求到Java
if (Input.GetKeyDown(KeyCode.Space)) {
StartCoroutine(PostRequest());
}
}
IEnumerator PostRequest() {
string requestData = "Request data";
byte[] requestBytes = Encoding.UTF8.GetBytes(requestData);
using (UnityWebRequest www = UnityWebRequest.Post(baseUrl, "POST")) {
www.uploadHandler = new UploadHandlerRaw(requestBytes);
www.downloadHandler = new DownloadHandlerBuffer();
yield return www.SendWebRequest();
if (www.result == UnityWebRequest.Result.ConnectionError || www.result == UnityWebRequest.Result.ProtocolError) {
Debug.LogError(www.error);
} else {
// 处理Java发送的响应
Debug.Log(www.downloadHandler.text);
}
}
}
}
```
这样,当Unity发送请求到Java时,Java会通过HTTP接收到请求数据,并处理请求数据返回响应数据。Unity通过HTTP接收到Java的响应数据,可以在回调函数中处理响应数据,实现可视化信息展示。