layui 導入文件（excel）

jsp代碼

<button type="button" class="layui-btn" id="uploadExcel"><i class="layui-icon"></i>上傳文件</button> 

js代碼

layui.use(['element','upload'], function() {
	element = layui.element;
	upload = layui.upload;

	//指定允許上傳的文件類型
	upload.render({
	  elem: '#uploadExcel'
	  ,url: path+'/FacjudgController/uploadImg.do'
	  ,accept: 'file' //普通文件
      	  ,multiple: true
	  ,done: function(res){
	      console.log(res);
	   }
	});
});

java代碼

@RequestMapping("/uploadImg")
@ResponseBody
public Map<String, Object> uploadImg(@RequestParam MultipartFile file) 
HttpServletRequest request, HttpServletResponse response) throws Exception 
{
		// 判斷文件名是否爲空
		if (file == null)
			return null;
		Map<String, Object> map = new HashMap<String, Object>();
		// 獲取文件名
		String name = file.getOriginalFilename();

		// 判斷文件大小、即名稱
		long size = file.getSize();
		if (name == null || ("").equals(name) && size == 0)
			return null;

		try 
		{
			// 把文件轉換成字節流形式
			int i = facjudgService.batchImport(name, file);
			if (i > 0) 
			{
				String Msg = "批量導入EXCEL成功！";
				map.put("msg", Msg);
				map.put("success", true);
			}
			else 
			{
				String Msg = "批量導入EXCEL失敗！";
				map.put("success", false);
				map.put("message", Msg);
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
		return map;
}