- 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();
- }
- }
来源: http://www.phpxs.com/code/1001749/