Java tutorial
/** This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.voa.weixin.work; import java.io.File; import java.io.FileOutputStream; import org.apache.commons.io.IOUtils; import com.voa.weixin.task.DownloadFileTask; import com.voa.weixin.task.Work; import com.voa.weixin.task.WorkException; /** * * @author zhaiyuxin * */ public class DownloadFileWork extends Work { @Override public void failedToDo() throws WorkException { // TODO Auto-generated method stub } @Override public void toDo() throws WorkException { try { DownloadFileTask task = (DownloadFileTask) this.task; byte[] bs = IOUtils.toByteArray(task.getInputStream()); FileOutputStream out = new FileOutputStream(new File("c:/tt.jpg")); IOUtils.write(bs, out); out.close(); } catch (Exception e) { e.printStackTrace(); } } }