http get post 请求

package com.fh.util;

import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.methods.PostMethod;

public class HTTPServerUtil {
	
	
	public static String sendGet(String url) {
        String result = "";
        BufferedReader in = null;
        try {
            URL realUrl = new URL(url);
            // 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();
            // 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) {
            e.printStackTrace();
        }
        // 使用finally块来关闭输入流
        finally {
            try {
                if (in != null) {
                    in.close();
                }
            } catch (Exception e2) {
                e2.printStackTrace();
            }
        }
        return result;
    }

	public static String doPostRequest(String servletAddress,Object content){
//        PrintWriter out = null;
        BufferedReader in = null;
        String newStr = "";
        try {
            content = new String(content.toString().getBytes("utf-8"), "utf-8");
        } catch (UnsupportedEncodingException e1) {
            // TODO Auto-generated catch block
            e1.printStackTrace();
        }  
        System.out.println(newStr);
        String resoult = "";
        DataOutputStream outData = null;
        try {
        	System.out.println("要发送的信息是："+content);
            /*拼接url,Android这里需要换上远程地址，因为Android端没办法访问localhost，java的话本地tomcat运行的话倒是无妨*/
            URL url = new URL(servletAddress);
            HttpURLConnection httpURLConnection = (HttpURLConnection)url.openConnection();
            //这两个参数必须加
            httpURLConnection.setDoInput(true);
            httpURLConnection.setDoOutput(true);
            httpURLConnection.setRequestProperty("contentType", "GBK");  
            //设置超时时间
            httpURLConnection.setReadTimeout(1000*1000);
            httpURLConnection.setConnectTimeout(1000*1000);
            httpURLConnection.setRequestMethod("POST");
            httpURLConnection.connect();
            outData =  new DataOutputStream(httpURLConnection.getOutputStream());
            outData.write(content.toString().getBytes("utf-8"));
            outData.flush();
            if(httpURLConnection.getResponseCode() == 200){
                in = new BufferedReader(new InputStreamReader(httpURLConnection.getInputStream(),"utf-8"));
                String line;
                while((line=in.readLine())!=null){
                    resoult+=line;
                }
            }
            System.out.println("服务器返回的结果是："+resoult);
            return resoult;
        } catch (MalformedURLException e) {
        	System.out.println("URL异常");
            e.printStackTrace();
        } catch (IOException e) {
        	System.out.println("IO异常");
            e.printStackTrace();
        }finally {
            try{
              if(outData!=null) {
              outData.close();
              }
                if(in!=null)
                    in.close();
            }catch (IOException e) {
                e.printStackTrace();
            }
        }
        return null;
    }
	
	public static String doPostJson(String url,String key,String json){
	    try {
	        String postURL=url;
	        PostMethod postMethod = null;
	        postMethod = new PostMethod(postURL) ;
	        postMethod.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8") ;
	        postMethod.addParameter(key,json);  //传参数
	        HttpClient httpClient = new HttpClient();
	        int response = httpClient.executeMethod(postMethod); // 执行POST方法
	        String result = postMethod.getResponseBodyAsString() ;
	        return result;
	    } catch (Exception e) {
	        throw new RuntimeException(e.getMessage());
	    }
	}

}