URL.createObjectURL(blob); a.href = url; a.download = fileName; a.click(); window.URL.revokeObjectURL(url); }; }()); var data = { x: 42, s: "hello, world", d: new Date() }, fileName = "my-download.json"; saveData(data, fileName); 以上代码 构建了一个json文件的blob 并...
An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately. An error occurred loading a configuration file: Failed to start monitoring changes to 'C:\inetpub\wwwroot\w...
axios.get('http://127.0.0.1/1.XLS', { responseType: 'blob' //指定返回数据的格式为blob }) .then(response => { console.log(response);//把response打出来,看下图 let url = window.URL.createObjectURL(response.data); console.log(url) var a = document.createElement("a"); document.body.appe...
fromdjango.httpimportStreamingHttpResponseclassDownloadExportExcel(View):defget(self, request, *args, **kwargs): file_name= request.GET.get("filename")#print("DownloadExportExcel file_name: ", file_name)deffile_iterator(file_name, chunk_size=512): with open(file_name,'rb') as f:whileTru...
file: 文件的路径(仅nodejs下支持); 2.1. 获取workbook对象 2.1.1. 读取本地文件 直接上代码: // 读取本地excel文件 function readWorkbookFromLocalFile(file, callback) { var reader = new FileReader(); reader.onload = function(e) { var data = e.target.result; ...
Download it from "https://github.com/eligrey/FileSaver.js/" your response data should be in blob type. I have implemented it and its working. function downloadfile(url,defaultFileName){ var self = this; var deferred = $q.defer(); $http.get(url, { responseType: "blob" }).then( ...
// 从网络上读取某个excel文件,url必须同域,否则报错functionreadWorkbookFromRemoteFile(url, callback) {varxhr =newXMLHttpRequest(); xhr.open('get', url,true); xhr.responseType='arraybuffer'; xhr.onload=function(e) {if(xhr.status==200) {vardata =newUint8Array(xhr.response)varworkbook =XLSX...
const xlsxFileBuffer = Buffer.from(workBookOutput); // res is express HTTP response object res.set('Content-Type', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'); res.set('Content-Disposition', 'attachment; filename=excel-export.xlsx'); res.status(200).send(xlsx...
读取excel主要是通过XLSX.read(data, {type: type});方法来实现,返回一个叫WorkBook的对象,type主要取值如下: base64:以base64方式读取; binary: BinaryString格式(byte n is data.charCodeAt(n)) string: UTF8编码的字符串; buffer: nodejs Buffer; array: Uint8Array,8位无符号数组; file: 文件的路径(仅...
如果可能，将context.sync（）移出循环。在一个循环中多次调用context.sync（）会导致性能下降和延迟增加...