java 使用HttpURLConnection发送数据简单实例
每个 HttpURLConnection 实例都可用于生成单个请求,但是其他实例可以透明地共享连接到 HTTP 服务器的基础网络。请求后在 HttpURLConnection 的 InputStream 或 OutputStream 上调用 close() 方法可以释放与此实例关联的网络资源,但对共享的持久连接没有任何影响。如果在调用 disconnect() 时持久连接空闲,则可能关闭基础套接字。JAVA使用HttpURLConnection发送POST数据是依靠OutputStream流的形式发送
实现代码:
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import java.io.*; import java.net.*; public class PostExample { public static void main(String[] argv) throws Exception { URL url = new URL( "http://www.javacourses.com/cgi-bin/names.cgi" ); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setRequestMethod( "POST" ); connection.setDoOutput( true ); PrintWriter out = new PrintWriter(connection.getOutputStream()); // encode the message String name = "name=" +URLEncoder.encode( "Qusay Mahmoud" , "UTF-8" ); String email = "email=" +URLEncoder.encode( "qmahmoud@javacourses.com" , "UTF-8" ); // send the encoded message out.println(name+ "&" +email); out.close(); BufferedReader in = new BufferedReader( new InputStreamReader(connection.getInputStream())); String line; while ((line = in.readLine()) != null ) { System.out.println(line); } in.close(); } } |
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原文链接:http://blog.csdn.net/jamesjxin/article/details/7857939