public class Test { /** * @param args * @throws UnsupportedEncodingException */ public static void main(String[] args) throws UnsupportedEncodingException { Map<String,String> parames = new HashMap<String, String>(); parames.put("addr", "中文"); String output = http("http://127.0.0.1:8080/simple/index.jsp", parames); System.out.println(output); } public static String http(String url, Map<String, String> params) throws UnsupportedEncodingException { URL u = null; HttpURLConnection con = null; StringBuffer sb = new StringBuffer(); String paramStr = null; if (params != null) { for (Entry<String, String> e : params.entrySet()) { sb.append(e.getKey()); sb.append("="); sb.append(URLEncoder.encode(e.getValue(), "utf-8") ); sb.append("&"); } if (sb.length()>0) { paramStr = sb.substring(0, sb.length() - 1); } else { paramStr = sb.toString(); } } System.out.println("url: " + url); System.out.println("data: " + paramStr); 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(paramStr); osw.flush(); osw.close(); } catch (Exception e) { e.printStackTrace(); } finally { if (con != null) { con.disconnect(); } } 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(); } }
java实现http post提交
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