springmvc的单文件上传
@RequestMapping("/up")
public ModelAndView up(MultipartFile myfiles , HttpServletRequest request){
ModelAndView model = new ModelAndView();
String result = savePic(request, myfiles); //调用保存的方法
if(!StringUtils.isEmpty(result)){ --非必要代码
System.out.println("上传成功!");
model.addObject("fileName",result);
model.setViewName("/picshow");
}else{
System.out.println("上传失败!");
}
return model;
}
public String savePic(HttpServletRequest request,MultipartFile multipartFile){
try {
if(!multipartFile.isEmpty()){
String filePath = request.getServletContext().getRealPath("upPic"); //获取upPic文件夹的路径
String fileName =new Date().getTime()+multipartFile.getOriginalFilename().substring(multipartFile.getOriginalFilename().indexOf("."), multipartFile.getOriginalFilename().length());
String newFileName = filePath+File.separator+fileName;
File file = new File(newFileName); //创建文件对象
if(!file.getParentFile().exists()){ //不存在父路径进行创建
file.getParentFile().mkdir();
}
multipartFile.transferTo(file); //进行文件转存
return fileName; //返回存储的文件的名称
}
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}