package com.toic.test; import java.io.DataInputStream; import java.io.DataOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.OutputStream; import java.net.HttpURLConnection; import java.net.URL; import java.util.Date; import java.util.Timer; import java.util.TimerTask; public class FileUpload { /** * 发送请求 * * @param url * 请求地址 * @param filePath * 文件路径 * @return * @throws IOException */ public synchronized String send(String url, String filePath) throws IOException { File file = new File(filePath); if (!file.exists() || !file.isFile()) { return "ERROR"; } /** * 第一部分 */ URL urlObj = new URL(url); HttpURLConnection con = (HttpURLConnection) urlObj.openConnection(); /** * 设置关键值 */ con.setRequestMethod("POST"); // 以Post方式提交表单,默认get方式 con.setDoInput(true); con.setDoOutput(true); con.setUseCaches(false); // post方式不能使用缓存 // 设置请求头信息 con.setRequestProperty("Connection", "Keep-Alive"); con.setRequestProperty("Charset", "UTF-8"); // 设置边界 String BOUNDARY = "----------" + System.currentTimeMillis(); con.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + BOUNDARY); // 请求正文信息 // 第一部分: StringBuilder sb = new StringBuilder(); sb.append("--"); // ////////必须多两道线 sb.append(BOUNDARY); sb.append(" "); sb.append("Content-Disposition: form-data;name="file";filename=""+ file.getName() + "" "); sb.append("Content-Type:application/octet-stream "); byte[] head = sb.toString().getBytes("utf-8"); // 获得输出流 OutputStream out = new DataOutputStream(con.getOutputStream()); out.write(head); // 文件正文部分 DataInputStream in = new DataInputStream(new FileInputStream(file)); int bytes = 0; byte[] bufferOut = new byte[1024]; while ((bytes = in.read(bufferOut)) != -1) { out.write(bufferOut, 0, bytes); } in.close(); // 结尾部分 byte[] foot = (" --" + BOUNDARY + "-- ").getBytes("utf-8");// 定义最后数据分隔线 out.write(foot); out.flush(); out.close(); /** * 读取服务器响应,必须读取,否则提交不成功 */ return " Upload | " + filePath + " | " + con.getResponseCode() + " | "+ con.getResponseMessage(); /** * 下面的方式读取也是可以的 */ // try { // // 定义BufferedReader输入流来读取URL的响应 // BufferedReader reader = new BufferedReader(new InputStreamReader( // con.getInputStream())); // String line = null; // while ((line = reader.readLine()) != null) { // System.out.println(line); // } // } catch (Exception e) { // System.out.println("发送POST请求出现异常!" + e); // e.printStackTrace(); // } } static int counter=0; //周期上传 知道达到指定条件 public void timeVoid(){ final Timer timer = new Timer(); TimerTask tt=new TimerTask() { @Override public void run() { FileUpload up = new FileUpload(); int j=1; while(j<10){ try { System.out.println(up.send( "http://127.0.0.1:7001/RESTfull001/file/upload", "C:\Documents and Settings\yanxxx\My Documents\My Pictures\Copy ("+(10*counter+j)+") of xz.jpg" ) ); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } j++; } counter++; System.out.println("counter--->"+counter); if(counter==3){ timer.cancel(); System.out.println("到点啦!"); } } }; //执行tt 延时10s 每分钟执行1次 timer.schedule(tt, 10000,1*60*1000/2); } // 在指定时间 周期执行 t.schedule(tt, dt, 60*1000); 每分钟执行一次 public void atTimeSchedule(){ Date dt=new Date(); dt=new Date(dt.getYear(),dt.getMonth(),dt.getDay(),dt.getHours(),dt.getMinutes(),30) ; Timer t=new Timer(false); TimerTask tt=new TimerTask(){ @Override public void run() { //放任务的地方 System.out.println(" exectue time: "+new Date()); }}; t.schedule(tt, dt, 60*1000); // t.scheduleAtFixedRate(tt, 1000, 60*1000); //带固定执行频率 //t.scheduleAtFixedRate(tt, dt, 60*1000);//带固定执行频率 } public static void main(String[] args) throws IOException { //不用浏览器,直接用代码发送文件给webservices所在服务器 并且可以周期行的发送 FileUpload tTask=new FileUpload(); // tTask.timeVoid(); tTask.atTimeSchedule(); } }