java怎么访问网页

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java怎么访问网页

try {

String getURL = "221.182.1.4/apm_internal/sdapi_2/testpj.php";

URL getUrl = new URL(getURL);

// 根据拼凑的URL，打开连接，URL.openConnection()函数会根据 URL的类型，返回不同的URLConnection子类的对象，在这里我们的URL是一个http，因此它实际上返回的是HttpURLConnection

HttpURLConnection connection = (HttpURLConnection) getUrl.openConnection();

// 建立与服务器的连接，并未发送数据

connection.connect();

// 发送数据到服务器并使用Reader读取返回的数据

BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));

System.out.println(" ============================= ");

System.out.println(" Contents of get request ");

System.out.println(" ============================= ");

String lines;

while ((lines = reader.readLine()) != null) {

System.out.println(lines);

}

reader.close();

// 断开连接

connection.disconnect();

System.out.println(" ============================= ");

System.out.println(" Contents of get request ends ");

System.out.println(" ============================= ");

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

JOptionPane.showMessageDialog(null, "发送消", "消提示", JOptionPane.ERROR_MESSAGE);

return true;

本文标签： 网页java