Java发送HTTP的POST请求
发布时间:2020-12-15 03:22:53 所属栏目:Java 来源:网络整理
导读:今天PHP站长网 52php.cn把收集自互联网的代码分享给大家,仅供参考。 import java.io.BufferedReader;import java.io.InputStreamReader;import java.io.OutputStreamWriter;import java.net.HttpURLConnection;import ja
以下代码由PHP站长网 52php.cn收集自互联网 现在PHP站长网小编把它分享给大家,仅供参考 import java.io.BufferedReader; import java.io.InputStreamReader; import java.io.OutputStreamWriter; import java.net.HttpURLConnection; import java.net.URL; import java.util.Map; import java.util.Map.Entry; /** * @author yoUng * @description 发送http请求 * @filename HttpUtil.java * @time 2011-6-15 下午05:26:36 * @version 1.0 */ public class HttpUtil { public static String http(String url,Map<String,String> params) { URL u = null; HttpURLConnection con = null; //构建请求参数 StringBuffer sb = new StringBuffer(); if(params!=null){ for (Entry<String,String> e : params.entrySet()) { sb.append(e.getKey()); sb.append("="); sb.append(e.getValue()); sb.append("&"); } sb.substring(0,sb.length() - 1); } System.out.println("send_url:"+url); System.out.println("send_data:"+sb.toString()); //尝试发送请求 try { u = new URL(url); con = (HttpURLConnection) u.openConnection(); con.setRequestMethod("POST"); con.setDoOutput(true); con.setDoInput(true); con.setUseCaches(false); con.setRequestProperty("Content-Type","application/x-www-form-urlencoded"); OutputStreamWriter osw = new OutputStreamWriter(con.getOutputStream(),"UTF-8"); osw.write(sb.toString()); osw.flush(); osw.close(); } catch (Exception e) { e.printStackTrace(); } finally { if (con != null) { con.disconnect(); } } //读取返回内容 StringBuffer buffer = new StringBuffer(); try { BufferedReader br = new BufferedReader(new InputStreamReader(con .getInputStream(),"UTF-8")); String temp; while ((temp = br.readLine()) != null) { buffer.append(temp); buffer.append("n"); } } catch (Exception e) { e.printStackTrace(); } return buffer.toString(); } } 以上内容由PHP站长网【52php.cn】收集整理供大家参考研究 如果以上内容对您有帮助,欢迎收藏、点赞、推荐、分享。 (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |