java通过post上传json

来源：互联网发布：mac 启动磁盘工具编辑：程序博客网时间：2024/05/29 15:52

package json;

import java.io.DataOutputStream;

import java.io.InputStream;

import java.net.URL;

import java.net.URLConnection;

import org.apache.commons.io.IOUtils;

public class a111 {

/** *  * @param args */public static void main(String[] args) {    // TODO Auto-generated method stub    String URL = "http://test.xxtrip.com/api/search.do";    String Json = findXmlInfo();    Json = "{\"cid\":\"sltest\",\"fromCity\":\"BJS\",\"toCity\":\"HKG\",\"fromDate\":\"20160912\",\"retDate\":\"\",\"flightclass\":\"Economy\"}";    String postResult = doHttpPost(Json, URL);    System.out.println("postResult:" + postResult);}private static String findXmlInfo() {    // TODO Auto-generated method stub    return null;}public static String doHttpPost(String xmlInfo, String URL) {    System.out.println("发起的数据:" + xmlInfo);    byte[] xmlData = xmlInfo.getBytes();    InputStream instr = null;    java.io.ByteArrayOutputStream out = null;    try {        URL url = new URL(URL);        URLConnection urlCon = url.openConnection();        urlCon.setDoOutput(true);        // www.kinghc.com        urlCon.setDoInput(true);        urlCon.setUseCaches(false);        urlCon.setRequestProperty("Content-Type", "text/xml");        urlCon.setRequestProperty("Content-length",                String.valueOf(xmlData.length));        System.out.println(String.valueOf(xmlData.length));        DataOutputStream printout = new DataOutputStream(                urlCon.getOutputStream());        printout.write(xmlData);        printout.flush();        printout.close();        instr = urlCon.getInputStream();        byte[] bis = IOUtils.toByteArray(instr);        String ResponseString = new String(bis, "UTF-8");        if ((ResponseString == null) || ("".equals(ResponseString.trim()))) {            System.out.println("返回空");        }        System.out.println("返回数据为:" + ResponseString);        return ResponseString;    } catch (Exception e) {        e.printStackTrace();        return "0";    }    finally {        try {            out.close();            instr.close();        } catch (Exception ex) {            return "0";        }    }}

}

0 0