android原生post请求源码

package com.qfy.postrequestdemo; import java.net.HttpURLConnection; import java.net.URL; import java.io.OutputStream; import java.io.InputStream; import java.util.Map; import java.io.IOException; import java.net.URLEncoder; import java.io.ByteArrayOutputStream; public class HttpUtils { /* * Function : 发送Post请求到服务器 * Param : params请求体内容，encode编码格式 */ public static String submitPostData(String strUrlPath, Map<String, String> params, String encode) { byte[] data = getRequestData(params, encode).toString().getBytes();//获得请求体 try { //String urlPath = "http://192.168.1.9:80/JJKSms/RecSms.php"; URL url = new URL(strUrlPath); HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection(); httpURLConnection.setConnectTimeout(3000); //设置连接超时时间 httpURLConnection.setDoInput(true); //打开输入流，以便从服务器获取数据 httpURLConnection.setDoOutput(true); //打开输出流，以便向服务器提交数据 httpURLConnection.setRequestMethod("POST"); //设置以Post方式提交数据 httpURLConnection.setUseCaches(false); //使用Post方式不能使用缓存 //设置请求体的类型是文本类型 httpURLConnection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded"); //设置请求体的长度 httpURLConnection.setRequestProperty("Content-Length", String.valueOf(data.length)); //获得输出流，向服务器写入数据 OutputStream outputStream = httpURLConnection.getOutputStream(); outputStream.write(data); int response = httpURLConnection.getResponseCode(); //获得服务器的响应码 if (response == HttpURLConnection.HTTP_OK) { InputStream inptStream = httpURLConnection.getInputStream(); return dealResponseResult(inptStream); //处理服务器的响应结果 } } catch (IOException e) { //e.printStackTrace(); return "err: " + e.getMessage().toString(); } return "-1"; } /* * Function : 封装请求体信息 * Param : params请求体内容，encode编码格式 */ public static StringBuffer getRequestData(Map<String, String> params, String encode) { StringBuffer stringBuffer = new StringBuffer(); //存储封装好的请求体信息 try { for (Map.Entry<String, String> entry : params.entrySet()) { stringBuffer.append(entry.getKey()) .append("=") .append(URLEncoder.encode(entry.getValue(), encode)) .append("&"); } stringBuffer.deleteCharAt(stringBuffer.length() - 1); //删除最后的一个"&" } catch (Exception e) { e.printStackTrace(); } return stringBuffer; } /* * Function : 处理服务器的响应结果（将输入流转化成字符串） * Param : inputStream服务器的响应输入流 */ public static String dealResponseResult(InputStream inputStream) { String resultData = null; //存储处理结果 ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream(); byte[] data = new byte[1024]; int len = 0; try { while ((len = inputStream.read(data)) != -1) { byteArrayOutputStream.write(data, 0, len); } } catch (IOException e) { e.printStackTrace(); } resultData = new String(byteArrayOutputStream.toByteArray()); return resultData; } }