【无标题】HttpHelp

package com.jq.demo;

import android.text.TextUtils;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.ProtocolException;
import java.net.URL;

public class HttpHelp {
    public String Go(String PostGetType, String urlstr,String urlpara) throws IOException {
        URL url = new URL(urlstr);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        try {
            conn.setRequestMethod(PostGetType);
        } catch (ProtocolException e) {
            e.printStackTrace();
        }
        conn.setConnectTimeout(6*1000);
        // 设置连接超时为5秒
        conn.setConnectTimeout(5000);

        // 设置请求类型为Get类型
        //conn.setRequestMethod("GET");

        conn.setUseCaches(false);// 是否缓存true|false
        conn.setRequestProperty("accept", "*/*");
        //conn.setRequestProperty("Connection", "Keep-Alive");
        conn.setRequestProperty("Charset", "UTF-8");
       // conn.setRequestProperty("Content-Length", String.valueOf(data.length));
        conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

        // 判断请求Url是否成功
        //我们请求的数据:
//        String data = "passwd="+ URLEncoder.encode(passwd, "UTF-8")+
//                "&number="+ URLEncoder.encode(number, "UTF-8");
        //这里可以写一些请求头的东东...
        //获取输出流
        if(!TextUtils.isEmpty(urlpara)) {
            OutputStream out = conn.getOutputStream();
            out.write(urlpara.getBytes());
            out.flush();
        }
        try {
            if (conn.getResponseCode() != 200) {
                throw new RuntimeException("请求url失败"+conn.getResponseCode()+conn.getURL());
            }
        } catch (IOException e) {
            conn.disconnect();
            e.printStackTrace();
        }
        InputStream inStream = conn.getInputStream();
        byte[] bs = new byte[1024];
        int len = 0;
        StringBuffer sb = new StringBuffer();
        while ((len = inStream.read(bs)) != -1) {
            String str = new String(bs, 0, len);
            sb.append(str);
        }
        inStream.close();
        conn.disconnect();
        return sb.toString();
    }
}