Java tutorial
/** * Copyright 2017 tianjunwei * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.tianjunwei.download; import java.io.IOException; import java.io.OutputStream; import javax.servlet.http.HttpServletResponse; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestHeader; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; /** * @author tianjunwei * @time 2017 ?7:03:01 */ @Controller public class DownLoadController { @RequestMapping(value = { "/download" }, method = { RequestMethod.GET }) public void download(HttpServletResponse response) throws IOException { response.setContentType("application/octet-stream"); response.addHeader("Content-Disposition", "attachment; filename=download.txt"); OutputStream outputStream = response.getOutputStream(); outputStream.write("sdsdfs".getBytes()); outputStream.close(); } }