后端发HTTP请求

package com.m4g.bns.common.util.sms;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.nio.charset.Charset;
import java.util.Map;
import java.util.Vector;

/**
 * HTTP请求对象
 * @author
 */

public class HttpRequester {
	private String defaultContentEncoding;
	public HttpRequester() {
		this.defaultContentEncoding = Charset.defaultCharset().name();
	}

	/**
	 * 
	 * 发送GET请求
	 * @param urlString
	 *            URL地址
	 * @return 响应对象
	 * @throws IOException
	 */

	public HttpRespons sendGet(String urlString) throws IOException {
		return this.send(urlString, "GET", null, null);

	}

	/**
	 * 
	 * 发送GET请求
	 * @param urlString
	 *            URL地址
	 * @param params
	 *            参数集合
	 * @return 响应对象
	 * 
	 * @throws IOException
	 */

	public HttpRespons sendGet(String urlString, Map<String, String> params)

	throws IOException {

		return this.send(urlString, "GET", params, null);

	}

	/**
	 * 
	 * 发送GET请求
	 * @param urlString
	 *            URL地址
	 * @param params
	 *            参数集合
	 * @param propertys
	 *            请求属性
	 * @return 响应对象
	 * @throws IOException
	 */

	public HttpRespons sendGet(String urlString, Map<String, String> params,
	Map<String, String> propertys) throws IOException {
		return this.send(urlString, "GET", params, propertys);
	}

	/**
	 * 
	 * 发送POST请求
	 * @param urlString
	 *            URL地址
	 * @return 响应对象
	 * @throws IOException
	 */

	public HttpRespons sendPost(String urlString) throws IOException {

		return this.send(urlString, "POST", null, null);

	}

	/**
	 * 
	 * 发送POST请求
	 * 
	 * 
	 * 
	 * @param urlString
	 * 
	 *            URL地址
	 * 
	 * @param params
	 * 
	 *            参数集合
	 * 
	 * @return 响应对象
	 * 
	 * @throws IOException
	 */

	public HttpRespons sendPost(String urlString, Map<String, String> params)

	throws IOException {

		return this.send(urlString, "POST", params, null);

	}

	/**
	 * 
	 * 发送POST请求
	 * 
	 * 
	 * 
	 * @param urlString
	 * 
	 *            URL地址
	 * 
	 * @param params
	 * 
	 *            参数集合
	 * 
	 * @param propertys
	 * 
	 *            请求属性
	 * 
	 * @return 响应对象
	 * 
	 * @throws IOException
	 */

	public HttpRespons sendPost(String urlString, Map<String, String> params,

	Map<String, String> propertys) throws IOException {

		return this.send(urlString, "POST", params, propertys);

	}

	/**
	 * 
	 * 发送HTTP请求
	 * 
	 * 
	 * 
	 * @param urlString
	 * 
	 * @return 响映对象
	 * 
	 * @throws IOException
	 */

	private HttpRespons send(String urlString, String method,

	Map<String, String> parameters, Map<String, String> propertys)

	throws IOException {

		HttpURLConnection urlConnection = null;

		if (method.equalsIgnoreCase("GET") && parameters != null) {

			StringBuffer param = new StringBuffer();

			int i = 0;

			for (String key : parameters.keySet()) {

				if (i == 0)

					param.append("?");

				else

					param.append("&");

				param.append(key).append("=").append(parameters.get(key));

				i++;

			}

			urlString += param;

		}
		URL url = new URL(urlString);
		urlConnection = (HttpURLConnection) url.openConnection();
		urlConnection.setRequestMethod(method);
		urlConnection.setDoOutput(true);
		urlConnection.setDoInput(true);
		urlConnection.setUseCaches(false);
		if (propertys != null)
			for (String key : propertys.keySet()) {
				urlConnection.addRequestProperty(key, propertys.get(key));
			}
		if (method.equalsIgnoreCase("POST") && parameters != null) {
			StringBuffer param = new StringBuffer();
			for (String key : parameters.keySet()) {
				param.append("&");
				param.append(key).append("=").append(parameters.get(key));
			}
			urlConnection.getOutputStream().write(param.toString().getBytes());
			urlConnection.getOutputStream().flush();
			urlConnection.getOutputStream().close();
		}
		return this.makeContent(urlString, urlConnection);
	}
	/**
	 * 
	 * 得到响应对象
	 * @param urlConnection
	 * @return 响应对象
	 * 
	 * @throws IOException
	 */

	private HttpRespons makeContent(String urlString,

	HttpURLConnection urlConnection) throws IOException {

		HttpRespons httpResponser = new HttpRespons();

		try {

			InputStream in = urlConnection.getInputStream();

			BufferedReader bufferedReader = new BufferedReader(

			new InputStreamReader(in));

			httpResponser.contentCollection = new Vector<String>();

			StringBuffer temp = new StringBuffer();

			String line = bufferedReader.readLine();

			while (line != null) {

				httpResponser.contentCollection.add(line);

				temp.append(line).append("\r\n");

				line = bufferedReader.readLine();

			}

			bufferedReader.close();

			String ecod = urlConnection.getContentEncoding();

			if (ecod == null)

				ecod = this.defaultContentEncoding;

			httpResponser.urlString = urlString;

			httpResponser.defaultPort = urlConnection.getURL().getDefaultPort();

			httpResponser.file = urlConnection.getURL().getFile();

			httpResponser.host = urlConnection.getURL().getHost();

			httpResponser.path = urlConnection.getURL().getPath();

			httpResponser.port = urlConnection.getURL().getPort();

			httpResponser.protocol = urlConnection.getURL().getProtocol();

			httpResponser.query = urlConnection.getURL().getQuery();

			httpResponser.ref = urlConnection.getURL().getRef();

			httpResponser.userInfo = urlConnection.getURL().getUserInfo();

			httpResponser.content = new String(temp.toString().getBytes(), ecod);

			httpResponser.contentEncoding = ecod;

			httpResponser.code = urlConnection.getResponseCode();

			httpResponser.message = urlConnection.getResponseMessage();

			httpResponser.contentType = urlConnection.getContentType();

			httpResponser.method = urlConnection.getRequestMethod();

			httpResponser.connectTimeout = urlConnection.getConnectTimeout();

			httpResponser.readTimeout = urlConnection.getReadTimeout();

			return httpResponser;

		} catch (IOException e) {

			throw e;

		} finally {

			if (urlConnection != null)

				urlConnection.disconnect();

		}

	}

	/**
	 * 
	 * 默认的响应字符集
	 */

	public String getDefaultContentEncoding() {

		return this.defaultContentEncoding;

	}

	/**
	 * 
	 * 设置默认的响应字符集
	 */

	public void setDefaultContentEncoding(String defaultContentEncoding) {

		this.defaultContentEncoding = defaultContentEncoding;

	}

}

package com.m4g.bns.common.util.sms;

import java.util.Vector;

/**
 * http 返回对象  
 * @author icafebar
 *
 */
public class HttpRespons {
	String urlString;
	int defaultPort;
	String file;
	String host;
	String path;
	int port;
	String protocol;
	String query;
	String ref;
	String userInfo;
	String contentEncoding;
	String content;
	String contentType;
	int code;
	String message;
	String method;
	int connectTimeout;
	int readTimeout;
	Vector<String> contentCollection;
	
	public String getContent() {

		return content;

	}

	public String getContentType() {

		return contentType;

	}

	public int getCode() {

		return code;

	}

	public String getMessage() {

		return message;

	}

	public Vector<String> getContentCollection() {

		return contentCollection;

	}

	public String getContentEncoding() {

		return contentEncoding;

	}

	public String getMethod() {

		return method;

	}

	public int getConnectTimeout() {

		return connectTimeout;

	}

	public int getReadTimeout() {

		return readTimeout;

	}

	public String getUrlString() {

		return urlString;

	}

	public int getDefaultPort() {

		return defaultPort;

	}

	public String getFile() {

		return file;

	}

	public String getHost() {

		return host;

	}

	public String getPath() {

		return path;

	}

	public int getPort() {

		return port;

	}

	public String getProtocol() {

		return protocol;

	}

	public String getQuery() {

		return query;

	}

	public String getRef() {

		return ref;

	}

	public String getUserInfo() {

		return userInfo;

	}

}

package com.m4g.bns.common.util.sms;

public class Test {

	public static void main(String[] args) {

		try {//13761638660 如  wangji 88888
			//http://www.chinaydsw.cn/smsjk/sendsms.asp?username=wangji&password=888888&mobile=13636574166&message=aaa&type=103
			HttpRequester request = new HttpRequester();
			HttpRespons hr = request.sendGet("http://www.chinaydsw.cn/smsjk/sendsms.asp?username=wangxin&password=886688&mobile=13636574166&message=aaa&type=103");
//			System.out.println(hr.getUrlString());
//			System.out.println(hr.getProtocol());
//			System.out.println(hr.getHost());
//			System.out.println(hr.getPort());
//			System.out.println(hr.getContentEncoding());
//			System.out.println(hr.getMethod());
			System.out.println(hr.getContent());
		} catch (Exception e) {
			e.printStackTrace();
		}

	}

}