package com.stylefeng.guns.modular.system.util;
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import net.sf.json.JSONObject;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.io.PrintWriter;
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import java.net.URL;
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import java.net.URLConnection;
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public class HttpUtilIOS {
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/**
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* 向指定 URL 发送POST方法的请求
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*
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* @param url
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* 发送请求的 URL
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* @param param
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* 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
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* @return 所代表远程资源的响应结果
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*/
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public static synchronized String sendPosturl(String url, JSONObject param) {
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StringBuilder sb = new StringBuilder();
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PrintWriter out = null;
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BufferedReader in = null;
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try {
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URL realUrl = new URL(url);
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// 打开和URL之间的连接
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URLConnection conn = realUrl.openConnection();
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// 设置通用的请求属性
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conn.setRequestProperty("accept", "*/*");
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conn.setRequestProperty("connection", "Keep-Alive");
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conn.setRequestProperty("user-agent","Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/47.0.2526.106 Safari/537.36");
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// 发送POST请求必须设置如下两行
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conn.setDoOutput(true);
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conn.setDoInput(true);
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// 获取URLConnection对象对应的输出流
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out = new PrintWriter(conn.getOutputStream());
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// 发送请求参数
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out.print(param);
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// flush输出流的缓冲
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out.flush();
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// 定义BufferedReader输入流来读取URL的响应
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in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
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String line;
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sb = new StringBuilder();
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while ((line = in.readLine()) != null)
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{
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sb.append(line);
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}
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} catch (Exception e) {
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// System.out.println("发送 POST 请求出现异常！"+e);
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e.printStackTrace();
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}
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//使用finally块来关闭输出流、输入流
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finally{
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try{
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if(out!=null){
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out.close();
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}
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if(in!=null){
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in.close();
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}
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}
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catch(IOException ex){
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ex.printStackTrace();
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}
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}
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System.out.print(sb.toString());
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return sb.toString();
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}
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}
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