android封装http请求post和get
时间: 2023-09-03 14:14:21 浏览: 56
您好,Android 中可以使用 HttpURLConnection 类来进行 HTTP 请求的发送,以下是一个简单的封装示例:
```java
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
public class HttpUtil {
public static String sendHttpRequest(String urlStr, String method, String data) {
HttpURLConnection connection = null;
BufferedReader reader = null;
try {
URL url = new URL(urlStr);
connection = (HttpURLConnection) url.openConnection();
connection.setRequestMethod(method);
connection.setConnectTimeout(5000);
connection.setReadTimeout(5000);
connection.setDoInput(true);
connection.setDoOutput(true);
if (method.equals("POST")) {
OutputStream outputStream = connection.getOutputStream();
outputStream.write(data.getBytes());
outputStream.flush();
outputStream.close();
}
InputStream inputStream = connection.getInputStream();
reader = new BufferedReader(new InputStreamReader(inputStream));
StringBuilder response = new StringBuilder();
String line;
while ((line = reader.readLine()) != null) {
response.append(line);
}
return response.toString();
} catch (MalformedURLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} finally {
if (reader != null) {
try {
reader.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if (connection != null) {
connection.disconnect();
}
}
return null;
}
}
```
您可以使用 `sendHttpRequest` 方法来发送 HTTP 请求,需要传入请求的 URL、请求方法(GET 或 POST)以及请求数据(如果是 POST 请求)。方法会返回响应的数据。例如,发送一个 GET 请求:
```java
String response = HttpUtil.sendHttpRequest("http://www.example.com/api", "GET", null);
```
发送一个 POST 请求:
```java
String data = "param1=value1¶m2=value2";
String response = HttpUtil.sendHttpRequest("http://www.example.com/api", "POST", data);
```
当然,上面的代码只是一个简单的封装示例,实际应用中需要进行更多的参数校验、错误处理等。