Js -----后台json数据，前端生成下载text文件

<script src="/assets/libs/single_file/jquery.min.js"></script><script src="/assets/libs/layer/layer.js"></script>

 1 ?// 返回错误信息弹框显示 2 ????@if (session(‘point_errors‘)) 3 ????????var point_errors = JSON.stringify({!! session()->pull(‘point_errors‘) !!}); 4 ?????????point_errors = JSON.parse( point_errors ); 5 ????????// console.log(point_errors); 6 ????????var text_content = ‘‘,msg = ‘‘,layer_content = ‘<p><input type="button" id="download_text" value="点击下载文件"></p>‘; 7 ????????$.each(point_errors, function(index, item) { 8 ????????????// 组织text内容 9 ????????????text_content += item[0] + ‘ ‘ + item[1] + ‘ ----‘10 ????????????????+ item[2] + ‘\r\n‘;11 12 ????????????msg = ‘<p style="padding:0;margin:0">‘+item[1] + ‘[‘13 ????????????????+ ?item[0] + ‘]----‘14 ????????????????+ ?item[2] + ‘</p>‘;15 ????????????layer_content += msg;16 ????????});17 18 ????????console.log(layer_content);19 ????????console.log(text_content);20 21 ????????// 下载文件方法22 ????????var funDownload = function (content, filename) {23 ????????????var eleLink = document.createElement(‘a‘);24 ????????????eleLink.download = filename;25 ????????????eleLink.style.display = ‘none‘;26 ????????????// 字符内容转变成blob地址27 ????????????var blob = new Blob([content]);28 ????????????eleLink.href = URL.createObjectURL(blob);29 ????????????// 触发点击30 ????????????document.body.appendChild(eleLink);31 ????????????eleLink.click();32 ????????????// 然后移除33 ????????????document.body.removeChild(eleLink);34 ????????};35 36 ????????if (‘download‘ in document.createElement(‘a‘)) {37 ????????????// 作为test.html文件下载38 ????????????$(document).on(‘click‘, ‘#download_text‘, function () {39 ????????????????funDownload(text_content, ‘导入失败的用户信息.text‘);40 ????????????});41 ????????} else {42 ????????????$(document).on(‘click‘, ‘#download_text‘, function () {43 ????????????????alert(‘浏览器不支持‘);44 ????????????});45 ????????}46 47 ????????setTimeout(function(){48 ????????????layer.open({49 ????????????????type: 1,50 ????????????????area: [‘500px‘, ‘600px‘],51 ????????????????content: layer_content,52 ????????????????scrollbar: true53 ????????????});54 ????????}, 2000);55 ????@endif