springmvc文件上传

<form action="upload.action" method="post" enctype="multipart/form-data">
    <input type="file" name="pic" />
    <input type="text" name="username" />
    <input type="submit" />
</form>

@Controller
public class UploadController {
    @RequestMapping(value="/upload.action")
    public String upload(String username,MultipartFile pic) throws IllegalStateException, IOException{
        //得到上传图片的名字
        String picName = pic.getOriginalFilename();
        //开始做上传动作
        String path = "e://pic/";
        File file = new File(path+picName);
        pic.transferTo(file);//上传动作
        return "result";
    }
}