YMP框架实现文件上传下载

JSP页面内容：
<%@ page contentType="text/html;charset=UTF-8" language="java" %><form action="/hello/upload" method="post" enctype="multipart/form-data">    <input type="file" name="fileWrapper" >    <input type="submit" value="上传"></form><br><form action="/hello/download" method="post">    <input type="submit" value="下载"></form>
Controller
package net.jc.mytest6;import net.ymate.platform.webmvc.IUploadFileWrapper;import net.ymate.platform.webmvc.annotation.Controller;import net.ymate.platform.webmvc.annotation.FileUpload;import net.ymate.platform.webmvc.annotation.RequestMapping;import net.ymate.platform.webmvc.annotation.RequestParam;import net.ymate.platform.webmvc.base.Type;import net.ymate.platform.webmvc.view.IView;import net.ymate.platform.webmvc.view.View;import net.ymate.platform.webmvc.view.impl.BinaryView;import java.io.File;/** * Hello Controller */@Controller@RequestMapping("/hello")public class HelloController {    //上传    @RequestMapping(value = "upload",method = Type.HttpMethod.POST)     //Post请求    @FileUpload    public IView upload(@RequestParam IUploadFileWrapper fileWrapper) throws Exception {    //文件上传封装类 功能齐全        String savepath = "F:\\Ideawork\\mytest-6\\src\\main\\webapp"+fileWrapper.getName();    //上传文件保存的路径        File file = new File(savepath);        fileWrapper.writeTo(file);                                                           //保存文件 参数为文件路径        return View.textView("上传成功");                                                   //返回一个文本视图    }    //下载    @RequestMapping(value = "/download",method = Type.HttpMethod.POST)       //Post请求    public IView download() throws Exception {        //返回二进制数据流视图        // BinaryView：二进制数据流视图；        // 下载文件，并重新指定文件名称        //View.binaryView(new File("/temp/demo.txt")) .useAttachment("测试文本.txt");        // = "binary:/temp/demo.txt:测试文本.txt"        File file = new File("F:\\Ideawork\\mytest-6\\src\\main\\resources\\c3p0.properties");        return BinaryView.bind(file).useAttachment("我的下载.properties");    }}