package com.xzx.gc.util;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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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.OutputStreamWriter;
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import java.net.URL;
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import java.net.URLConnection;
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public class HttpUtil {
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private final static int CONNECT_TIMEOUT = 5000; // in milliseconds 连接超时的时间
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private final static String DEFAULT_ENCODING = "UTF-8"; //字符串编码
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private static Logger lg= LoggerFactory.getLogger(HttpUtil.class);
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public static String postData(String urlStr, String data){
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return postData(urlStr, data, null);
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}
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/**
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* post数据请求
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* @param urlStr
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* @param data
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* @param contentType
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* @return
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*/
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public static String postData(String urlStr, String data, String contentType){
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BufferedReader reader = null;
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try {
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URL url = new URL(urlStr);
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URLConnection conn = url.openConnection();
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conn.setDoOutput(true);
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conn.setConnectTimeout(CONNECT_TIMEOUT);
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conn.setReadTimeout(CONNECT_TIMEOUT);
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if(contentType != null){
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conn.setRequestProperty("content-type", contentType);
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}
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OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream(), DEFAULT_ENCODING);
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if(data == null){
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data = "";
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}
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writer.write(data);
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writer.flush();
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writer.close();
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reader = new BufferedReader(new InputStreamReader(conn.getInputStream(), DEFAULT_ENCODING));
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StringBuilder sb = new StringBuilder();
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String line = null;
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while ((line = reader.readLine()) != null) {
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sb.append(line);
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sb.append("\r\n");
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}
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return sb.toString();
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} catch (IOException e) {
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lg.info("Error connecting to " + urlStr + ": " + e.getMessage());
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} finally {
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try {
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if (reader != null){
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reader.close();
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}
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} catch (IOException e) {
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}
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}
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return null;
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}
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}
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