Java自带的GET,POST提交

package com.clouds.util;

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.net.URLEncoder;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;

import org.apache.log4j.Logger;

public class HttpRequestProxy {

	/**
	 * 连接超时
	 */
	private static int connectTimeOut = 5000;

	/**
	 * 读取数据超时
	 */
	private static int readTimeOut = 10000;

	/**
	 * 请求编码
	 */
	private static String requestEncoding = "GBK";

	private static Logger logger = Logger.getLogger(HttpRequestProxy.class);


	/**
	 * @return 连接超时(毫秒)
	 * @see com.hengpeng.common.web.HttpRequestProxy#connectTimeOut
	 */
	public static int getConnectTimeOut() {
		return HttpRequestProxy.connectTimeOut;
	}

	/**
	 * @return 读取数据超时(毫秒)
	 * @see com.hengpeng.common.web.HttpRequestProxy#readTimeOut
	 */
	public static int getReadTimeOut() {
		return HttpRequestProxy.readTimeOut;
	}

	/**
	 * @return 请求编码
	 * @see com.hengpeng.common.web.HttpRequestProxy#requestEncoding
	 */
	public static String getRequestEncoding() {
		return requestEncoding;
	}

	/**
	 * @param connectTimeOut 连接超时(毫秒)
	 * @see com.hengpeng.common.web.HttpRequestProxy#connectTimeOut
	 */
	public static void setConnectTimeOut(int connectTimeOut) {
		HttpRequestProxy.connectTimeOut = connectTimeOut;
	}

	/**
	 * @param readTimeOut 读取数据超时(毫秒)
	 * @see com.hengpeng.common.web.HttpRequestProxy#readTimeOut
	 */
	public static void setReadTimeOut(int readTimeOut) {
		HttpRequestProxy.readTimeOut = readTimeOut;
	}

	/**
	 * @param requestEncoding 请求编码
	 * @see com.hengpeng.common.web.HttpRequestProxy#requestEncoding
	 */
	public static void setRequestEncoding(String requestEncoding) {
		HttpRequestProxy.requestEncoding = requestEncoding;
	}
	
	
	/**
	 * <pre>
	 * 发送带参数的GET的HTTP请求
	 * </pre>
	 * 
	 * @param reqUrl HTTP请求URL
	 * @param parameters 参数映射表
	 * @return HTTP响应的字符串
	 */
	public static String doGet(String reqUrl, Map<?, ?> parameters, String recvEncoding) {
		HttpURLConnection url_con = null;
		String responseContent = null;
		try {
			StringBuffer params = new StringBuffer();
			for (Iterator<?> iter = parameters.entrySet().iterator(); iter.hasNext();) {
				Entry<?, ?> element = (Entry<?, ?>) iter.next();
				params.append(element.getKey().toString());
				params.append("=");
				params.append(URLEncoder.encode(element.getValue().toString(), HttpRequestProxy.requestEncoding));
				params.append("&");
			}

			if (params.length() > 0) {
				params = params.deleteCharAt(params.length() - 1);
			}

			URL url = new URL(reqUrl);
			url_con = (HttpURLConnection) url.openConnection();
			url_con.setRequestMethod("GET");
			System.setProperty("sun.net.client.defaultConnectTimeout", String.valueOf(HttpRequestProxy.connectTimeOut));// （单位：毫秒）jdk1.4换成这个,连接超时
			System.setProperty("sun.net.client.defaultReadTimeout", String.valueOf(HttpRequestProxy.readTimeOut)); // （单位：毫秒）jdk1.4换成这个,读操作超时
			// url_con.setConnectTimeout(5000);//（单位：毫秒）jdk
			// 1.5换成这个,连接超时
			// url_con.setReadTimeout(5000);//（单位：毫秒）jdk 1.5换成这个,读操作超时
			url_con.setDoOutput(true);
			byte[] b = params.toString().getBytes();
			url_con.getOutputStream().write(b, 0, b.length);
			url_con.getOutputStream().flush();
			url_con.getOutputStream().close();

			InputStream in = url_con.getInputStream();
			BufferedReader rd = new BufferedReader(new InputStreamReader(in, recvEncoding));
			String tempLine = rd.readLine();
			StringBuffer temp = new StringBuffer();
			String crlf = System.getProperty("line.separator");
			while (tempLine != null) {
				temp.append(tempLine);
				temp.append(crlf);
				tempLine = rd.readLine();
			}
			responseContent = temp.toString();
			rd.close();
			in.close();
		}
		catch (IOException e) {
			logger.error("网络故障", e);
		}
		finally {
			if (url_con != null) {
				url_con.disconnect();
			}
		}

		return responseContent;
	}

	/**
	 * <pre>
	 * 发送不带参数的GET的HTTP请求
	 * </pre>
	 * 
	 * @param reqUrl HTTP请求URL
	 * @return HTTP响应的字符串
	 */
	public static String doGet(String reqUrl, String recvEncoding) {
		HttpURLConnection url_con = null;
		String responseContent = null;
		try {
			StringBuffer params = new StringBuffer();
			String queryUrl = reqUrl;
			int paramIndex = reqUrl.indexOf("?");

			if (paramIndex > 0) {
				queryUrl = reqUrl.substring(0, paramIndex);
				String parameters = reqUrl.substring(paramIndex + 1, reqUrl.length());
				String[] paramArray = parameters.split("&");
				for (int i = 0; i < paramArray.length; i++) {
					String string = paramArray[i];
					int index = string.indexOf("=");
					if (index > 0) {
						String parameter = string.substring(0, index);
						String value = string.substring(index + 1, string.length());
						params.append(parameter);
						params.append("=");
						params.append(URLEncoder.encode(value, HttpRequestProxy.requestEncoding));
						params.append("&");
					}
				}

				params = params.deleteCharAt(params.length() - 1);
			}

			URL url = new URL(queryUrl);
			url_con = (HttpURLConnection) url.openConnection();
			url_con.setRequestMethod("GET");
			System.setProperty("sun.net.client.defaultConnectTimeout", String.valueOf(HttpRequestProxy.connectTimeOut));// （单位：毫秒）jdk1.4换成这个,连接超时
			System.setProperty("sun.net.client.defaultReadTimeout", String.valueOf(HttpRequestProxy.readTimeOut)); // （单位：毫秒）jdk1.4换成这个,读操作超时
			// url_con.setConnectTimeout(5000);//（单位：毫秒）jdk
			// 1.5换成这个,连接超时
			// url_con.setReadTimeout(5000);//（单位：毫秒）jdk 1.5换成这个,读操作超时
			url_con.setDoOutput(true);
			byte[] b = params.toString().getBytes();
			url_con.getOutputStream().write(b, 0, b.length);
			url_con.getOutputStream().flush();
			url_con.getOutputStream().close();
			InputStream in = url_con.getInputStream();
			BufferedReader rd = new BufferedReader(new InputStreamReader(in, recvEncoding));
			String tempLine = rd.readLine();
			StringBuffer temp = new StringBuffer();
			String crlf = System.getProperty("line.separator");
			while (tempLine != null) {
				temp.append(tempLine);
				temp.append(crlf);
				tempLine = rd.readLine();
			}
			responseContent = temp.toString();
			rd.close();
			in.close();
		}
		catch (IOException e) {
			logger.error("网络故障", e);
		}
		finally {
			if (url_con != null) {
				url_con.disconnect();
			}
		}

		return responseContent;
	}

	/**
	 * <pre>
	 * 发送带参数的POST的HTTP请求
	 * </pre>
	 * 
	 * @param reqUrl HTTP请求URL
	 * @param parameters 参数映射表
	 * @return HTTP响应的字符串
	 */
	public static String doPost(String reqUrl, Map<String, String> parameters, String recvEncoding) {
		HttpURLConnection url_con = null;
		String responseContent = null;
		try {
			StringBuffer params = new StringBuffer();
			for (Iterator<?> iter = parameters.entrySet().iterator(); iter.hasNext();) {
				Entry<?, ?> element = (Entry<?, ?>) iter.next();
				params.append(element.getKey().toString());
				params.append("=");
				params.append(URLEncoder.encode(element.getValue().toString(), HttpRequestProxy.requestEncoding));
				params.append("&");
			}

			if (params.length() > 0) {
				params = params.deleteCharAt(params.length() - 1);
			}

			URL url = new URL(reqUrl);
			url_con = (HttpURLConnection) url.openConnection();
			url_con.setRequestMethod("POST");
			System.setProperty("sun.net.client.defaultConnectTimeout", String.valueOf(HttpRequestProxy.connectTimeOut));// （单位：毫秒）jdk1.4换成这个,连接超时
			System.setProperty("sun.net.client.defaultReadTimeout", String.valueOf(HttpRequestProxy.readTimeOut)); // （单位：毫秒）jdk1.4换成这个,读操作超时
			// url_con.setConnectTimeout(5000);//（单位：毫秒）jdk
			// 1.5换成这个,连接超时
			// url_con.setReadTimeout(5000);//（单位：毫秒）jdk 1.5换成这个,读操作超时
			url_con.setDoOutput(true);
			byte[] b = params.toString().getBytes();
			url_con.getOutputStream().write(b, 0, b.length);
			url_con.getOutputStream().flush();
			url_con.getOutputStream().close();

			InputStream in = url_con.getInputStream();
			BufferedReader rd = new BufferedReader(new InputStreamReader(in, recvEncoding));
			String tempLine = rd.readLine();
			StringBuffer tempStr = new StringBuffer();
			String crlf = System.getProperty("line.separator");
			while (tempLine != null) {
				tempStr.append(tempLine);
				tempStr.append(crlf);
				tempLine = rd.readLine();
			}
			responseContent = tempStr.toString();
			rd.close();
			in.close();
		}
		catch (IOException e) {
			logger.error("网络故障", e);
		}
		finally {
			if (url_con != null) {
				url_con.disconnect();
			}
		}
		return responseContent;
	}


	public static void main(String[] args) {
		Map<String, String> map = new HashMap<String, String>();
		map.put("data","a:3:{s:4:%22spec%22;a:2:{s:1:%228%22;s:2:%2243%22;s:2:%2211%22;s:9:%22%E6%B5%85%E8%93%9D%E8%89%B2%22;}s:13:%22spec_value_id%22;a:2:{s:1:%228%22;s:3:%22119%22;s:2:%2211%22;s:3:%22144%22;}s:21:%22spec_private_value_id%22;a:2:{s:1:%228%22;s:11:%2287175758783%22;s:2:%2211%22;s:11:%2287175758784%22;}}");
		String temp = HttpRequestProxy.doPost("http://demo2.test.com/api/unserialize.php", map, "utf-8");
		System.out.println("返回的消息是:" + temp);
	}

}