SpringBoot+SpringMVC+Freemarker实现单个上传和多个文件上传

package com.chinasoft.photo.controller; import com.chinasoft.photo.util.ToolUtil; import org.apache.tomcat.util.http.fileupload.IOUtils; import org.springframework.util.ClassUtils; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.multipart.MultipartFile; import javax.servlet.http.HttpServletRequest; import java.io.FileOutputStream; import java.io.InputStream; import java.util.ArrayList; import java.util.List; public class BaseController { public String getFileUrl(@RequestParam("file") MultipartFile file) { String fileName = file.getOriginalFilename();//得到上传的文件名称 fileName = ToolUtil.getNewFileName(fileName);//fileName经过修改名字后的 //String filePath="upload\\"; //刷入的路径 // String filePath = ClassUtils.getDefaultClassLoader().getResource("upload").getPath() + "/" + fileName; String filePath ="D:\\upload\\"+fileName; FileOutputStream out = null; InputStream in = null; try { out = new FileOutputStream(filePath); in = file.getInputStream();//我现在把我接受到的文件以流的形式刷入到InputStream对象里面去了 IOUtils.copy(in, out); } catch (Exception e) { e.printStackTrace(); } //显示的路径 return "upload/"+fileName; } public List<String> getFileUrlList(@RequestParam("file") List<MultipartFile> file) { List<String> list=new ArrayList(); for(int i=0;i<file.size();i++){ String fileName = file.get(i).getOriginalFilename();//得到上传的文件名称 fileName = ToolUtil.getNewFileName(fileName);//fileName经过修改名字后的 String filePath ="D:\\upload\\"+fileName; FileOutputStream out = null; InputStream in = null; try { out = new FileOutputStream(filePath); in = file.get(i).getInputStream();//我现在把我接受到的文件以流的形式刷入到InputStream对象里面去了 IOUtils.copy(in, out); } catch (Exception e) { e.printStackTrace(); }finally{ list.add("upload\\"+fileName); } } //显示的路径 return list; } }