简单的一个HttpUrlConnect的post请求

来源：互联网发布：centos 下载编辑：程序博客网时间：2024/06/05 12:04
         public static String postUrlConnect(String urlPath, Map<String,Object> map){                    StringBuffer sbRequest =new StringBuffer();                     if(map!=null&&map.size()>0){                         for (String key:map.keySet()){                             sbRequest.append(key+"="+map.get(key)+"&");                         }                     }                     String request = sbRequest.substring(0,sbRequest.length()-1);                     try {                         //创建URL                         URL url = new URL(urlPath);                         //由URL的openConnection方法得到一个HttpURLConnection（需要强转）                         HttpURLConnection httpURLConnection =                                 (HttpURLConnection) url.openConnection();                         //设置post提交                         httpURLConnection.setRequestMethod("POST");                         //设置超时时间                         httpURLConnection.setConnectTimeout(30000);                         httpURLConnection.setReadTimeout(30000);                         httpURLConnection.setDoInput(true);                       httpURLConnection.setDoOutput(true);                         //把请求正文通过OutputStream发出去                         OutputStream os =httpURLConnection.getOutputStream();                         os.write(request.getBytes());                         os.flush();                         //判断响应码  200 代表成功                         if(httpURLConnection.getResponseCode()==200){                             //由HttpURLConnection拿到输入流                             InputStream in=httpURLConnection.getInputStream();                             StringBuffer sb=new StringBuffer();                             //根据输入流做一些IO操作                             byte [] buff =new byte[1024];                             int len=-1;                             while((len=in.read(buff))!=-1){                                 sb.append(new String(buff,0,len,"utf-8"));                             }                             in.close();                             os.close();                             httpURLConnection.disconnect();                             return  sb.toString();                         }else{                             return null;                         }                     }catch (Exception e){                         Log.e("post","code:"+e.getMessage());                         return null;                     }                 }}
1 0