Http请求测试类

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;

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 = "UTF-8";

	/**
	 * <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) {
		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(getConnectTimeOut());	//（单位：毫秒）jdk 1.5换成这个,连接超时
			url_con.setReadTimeout(getReadTimeOut());		//（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, getRequestEncoding()));
			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) {
			System.err.println("网络故障");
			e.printStackTrace();
		} 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) {
		HttpURLConnection url_con = null;
		String responseContent = null;
		try {
			StringBuffer params = new StringBuffer();
			String queryUrl = reqUrl;

			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(getConnectTimeOut());		//（单位：毫秒）jdk 1.5换成这个,连接超时
			url_con.setReadTimeout(getReadTimeOut());			//（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, getRequestEncoding()));
			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) {
			System.err.println("网络故障");
			e.printStackTrace();
		} 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 parameters, String verifyString) {
		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.setRequestProperty("Authorization", verifyString);
			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(getConnectTimeOut());	// （单位：毫秒）jdk1.5换成这个,连接超时
			url_con.setReadTimeout(getReadTimeOut());		// （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, getRequestEncoding()));
			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) {
			System.err.println("网络故障");
			e.printStackTrace();
		} finally {
			if (url_con != null) {
				url_con.disconnect();
			}
		}
		return responseContent;
	}

	public static String doPost(String reqUrl, Map parameters) {
		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.
补充：软件开发 , Java ,

上一个：通用的枚举类型
下一个：异常的其他概念————throw、throws、Exception、RuntimeException、断言