package com.jszs.test.controller; import java.io.BufferedInputStream; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.OutputStream; import java.net.URLEncoder; import javax.servlet.http.HttpServletResponse; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; @Controller @RequestMapping("/jsp/testUpload") public class TestUploadController { @RequestMapping("/initFilePage") public String initFilePage() { return "/pages/files/FilePage"; } @RequestMapping("/exportFile") public void exportFile(HttpServletResponse res) throws IOException { /*下载图片*/ File file=new File("C:/Users/Administrator/Desktop/1.png"); FileInputStream fis=new FileInputStream(file); BufferedInputStream br1=new BufferedInputStream(fis); res.setHeader("Content-Disposition", "attachment;filename="+URLEncoder.encode("测试.png", "utf-8")); OutputStream out=res.getOutputStream(); int len=0; while((len=br1.read())!=-1) { out.write(len); } fis.close();br1.close(); } }
图片下载java
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