写一段Java的POST请求调用https的工具类
时间: 2023-12-26 12:05:29 浏览: 24
好的,以下是一个简单的Java的POST请求调用https的工具类的示例代码:
```java
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.nio.charset.StandardCharsets;
import javax.net.ssl.HttpsURLConnection;
public class HttpsUtil {
public static String sendPostRequest(String urlStr, String requestData) {
String response = null;
try {
URL url = new URL(urlStr);
HttpsURLConnection conn = (HttpsURLConnection) url.openConnection();
conn.setRequestMethod("POST");
conn.setDoOutput(true);
conn.setRequestProperty("Content-Type", "application/json");
conn.setRequestProperty("Accept", "application/json");
conn.setRequestProperty("charset", "utf-8");
conn.setConnectTimeout(5000);
conn.setReadTimeout(5000);
String data = requestData;
byte[] postData = data.getBytes(StandardCharsets.UTF_8);
conn.setRequestProperty("Content-Length", Integer.toString(postData.length));
conn.getOutputStream().write(postData);
BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
String inputLine;
StringBuffer responseBuffer = new StringBuffer();
while ((inputLine = in.readLine()) != null) {
responseBuffer.append(inputLine);
}
in.close();
response = responseBuffer.toString();
} catch (Exception e) {
e.printStackTrace();
}
return response;
}
}
```
在上面的代码中,sendPostRequest方法接收两个参数:urlStr表示请求的地址,requestData表示请求的数据。该方法使用HttpsURLConnection对象发送POST请求,并设置请求头、请求参数、连接超时时间、读取超时时间等。最后,将响应结果读取为字符串并返回。
请注意,在实际使用中,您需要对代码进行修改以适应您的具体需求,例如更改请求头、请求参数、超时时间等。