package com.yihu.utils;

import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLConnection;
import java.util.List;
import java.util.Map;

import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.methods.multipart.FilePart;
import org.apache.commons.httpclient.methods.multipart.MultipartRequestEntity;
import org.apache.commons.httpclient.methods.multipart.Part;


public class HttpGetClient {
	



		/**
		 * 向指定URL发送GET方法的请求
		 * 
		 * @param url
		 *            发送请求的URL
		 * @param param
		 *            请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
		 * @return URL 所代表远程资源的响应结果
		 */
		public static String sendGet(String url, String param) {
			String result = "";
			BufferedReader in = null;
			try {
				String urlNameString = url + "?" + param;
				URL realUrl = new URL(urlNameString);
				// 打开和URL之间的连接
				URLConnection connection = realUrl.openConnection();
				// 设置通用的请求属性
				connection.setRequestProperty("accept", "*/*");
				connection.setRequestProperty("connection", "Keep-Alive");
				connection.setRequestProperty("user-agent",
						"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
				// 建立实际的连接
				connection.connect();
				// 获取所有响应头字段
				Map<String, List<String>> map = connection.getHeaderFields();
//				// 遍历所有的响应头字段
//				for (String key : map.keySet()) {
//					System.out.println(key + "--->" + map.get(key));
//				}
				// 定义 BufferedReader输入流来读取URL的响应
				in = new BufferedReader(new InputStreamReader(
						connection.getInputStream()));
				String line;
				while ((line = in.readLine()) != null) {
					result += line;
				}
			} catch (Exception e) {
				System.out.println("发送GET请求出现异常！" + e);
				e.printStackTrace();
			}
			// 使用finally块来关闭输入流
			finally {
				try {
					if (in != null) {
						in.close();
					}
				} catch (Exception e2) {
					e2.printStackTrace();
				}
			}

			// byte[] t_utf8 = testStr.getBytes("UTF-8");
			// String ut_utf8 = new String(t_utf8, "UTF-8");
			return result;
		}



	 


}