java用来发送posy请求的代码
时间: 2023-04-01 15:00:34 浏览: 66
可以使用 Java 中的 HttpURLConnection 类来发送 POST 请求,以下是示例代码:
```
import java.net.HttpURLConnection;
import java.net.URL;
import java.io.OutputStream;
import java.io.BufferedReader;
import java.io.InputStreamReader;
public class PostRequestExample {
public static void main(String[] args) throws Exception {
URL url = new URL("http://example.com/api");
HttpURLConnection con = (HttpURLConnection) url.openConnection();
con.setRequestMethod("POST");
con.setDoOutput(true);
String data = "param1=value1¶m2=value2";
OutputStream os = con.getOutputStream();
os.write(data.getBytes());
os.flush();
os.close();
int responseCode = con.getResponseCode();
BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));
String inputLine;
StringBuffer response = new StringBuffer();
while ((inputLine = in.readLine()) != null) {
response.append(inputLine);
}
in.close();
System.out.println(response.toString());
}
}
```
其中,`url` 是请求的 URL 地址,`data` 是 POST 请求的参数,`response` 是服务器返回的响应。