1：upload.html
<!DOCTYPE html><html lang="en"><head> ???<meta charset="UTF-8"> ???<title></title> ???<link rel="stylesheet" href="./layui/css/layui.css" media="all"></head><body> ???<div class="layui-container"> ???????<div class="layui-row" align="center" style="margin-top: 30px;"> ???????????<button type="button" class="layui-btn" id="upload"> ???????????????<i class="layui-icon"></i>选择文件</button> ???????</div> ???????<div class="layui-row" align="center" style="margin-top: 30px;"> ???????????<textarea id="result" cols="50" rows="10"></textarea> ???????</div> ???</div></body><script src="./jquery/jquery.min.js"></script><script src="./layui/layui.js"></script><script> ???layui.use(‘upload‘, function(){ ???????var upload = layui.upload; ???????//执行上传 ???????var uploadInst = upload.render({ ???????????elem: ‘#upload‘ //绑定元素 ???????????,url: ‘/ssfwpt/ra/ramanage‘ //上传接口 ???????????,method: ‘POST‘ ???????????,accept: ‘file‘ ???????????,size: 50 ???????????,before: function(obj){ ???????????????layer.load(); ???????????} ???????????,done: function(res){//上传完毕回调 ???????????????layer.closeAll(‘loading‘); ???????????????var result = ‘‘; ???????????????for(var i=0; i<res.length; i++){ ???????????????????result = result + res[i].nsrsbh+"="+res[i].container+"\n"; ???????????????} ???????????????$("#result").html(result); ???????????} ???????????,error: function(){//请求异常回调 ???????????????layer.closeAll(‘loading‘); ???????????????layer.msg(‘网络异常，请稍后重试！‘); ???????????} ???????}); ???});</script></html>2：后台（Spring-boot）
/** ????* 实现文件上传 ????* */ ???@RequestMapping(value = "/ramanage", method = RequestMethod.POST) ???@ResponseBody ???public List<Map<String,String>> ramanage(@RequestParam("file") MultipartFile file){ ???????List<Map<String,String>> result = new ArrayList<>(); ???????try { ???????????InputStream input = file.getInputStream(); ???????????Workbook wb = new HSSFWorkbook(input); ???????????Sheet sheet = wb.getSheetAt(0); ???????????int rowNum = sheet.getLastRowNum()+1; ???????????Map<String,String> map; ???????????for(int i=1; i<rowNum; i++){ ???????????????Row row = sheet.getRow(i); ???????????????//容器名称 ???????????????Cell containerCell = row.getCell(0); ???????????????String container = containerCell.getStringCellValue(); ???????????????//税号 ???????????????Cell nsrsbhCell = row.getCell(1); ???????????????String nsrsbh = nsrsbhCell.getStringCellValue(); ???????????????map = new HashMap<>(); ???????????????map.put("nsrsbh", nsrsbh); ???????????????map.put("container", container); ???????????????result.add(map); ???????????} ???????} catch (IOException e) { ???????????e.printStackTrace(); ???????} ???????return result; ???}Layer文件上传操作
原文地址：https://www.cnblogs.com/yshyee/p/8137319.html