SpringMVC文件上传，多文件上传实例

package org.swinglife.controller; import java.io.File; import java.util.List; import javax.servlet.http.HttpServletRequest; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.multipart.MultipartFile; import org.springframework.web.servlet.ModelAndView; /*** * 文件上传控制类 * @author swinglife * */ @Controller public class FileUploadController { //通过Spring的autowired注解获取spring默认配置的request @Autowired private HttpServletRequest request; @RequestMapping("filesUpload") public String filesUpload(@RequestParam("files") MultipartFile[] files) { //判断file数组不能为空并且长度大于0 if(files!=null&&files.length>0){ //循环获取file数组中得文件 for(int i = 0;i<files.length;i++){ MultipartFile file = files[i]; //保存文件 saveFile(file); } } // 重定向 return "redirect:/list.html"; } /*** * 保存文件 * @param file * @return */ private boolean saveFile(MultipartFile file) { // 判断文件是否为空 if (!file.isEmpty()) { try { // 文件保存路径 String filePath = request.getSession().getServletContext().getRealPath("/") + "upload/" + file.getOriginalFilename(); // 转存文件 file.transferTo(new File(filePath)); return true; } catch (Exception e) { e.printStackTrace(); } } return false; } /*** * 上传文件 用@RequestParam注解来指定表单上的file为MultipartFile * * @param file * @return */ @RequestMapping("fileUpload") public String fileUpload(@RequestParam("file") MultipartFile file) { // 判断文件是否为空 if (!file.isEmpty()) { try { // 文件保存路径 String filePath = request.getSession().getServletContext().getRealPath("/") + "upload/" + file.getOriginalFilename(); // 转存文件 file.transferTo(new File(filePath)); } catch (Exception e) { e.printStackTrace(); } } // 重定向 return "redirect:/list.html"; } /*** * 读取上传文件中得所有文件并返回 * * @return */ @RequestMapping("list") public ModelAndView list() { String filePath = request.getSession().getServletContext().getRealPath("/") + "upload/"; ModelAndView mav = new ModelAndView("list"); File uploadDest = new File(filePath); String[] fileNames = uploadDest.list(); for (int i = 0; i < fileNames.length; i++) { System.out.println(fileNames[i]); } return mav; } }