import * as fileSave from 'file-saver'; download(spath: string, swjm: string) { this.tableService.getwjnrws(spath).subscribe(data => { const content = data.swjnr; if (content) { console.log('下载' + content); const index = swjm.lastIndexOf('.'); const fileType = swjm.substring...
// object:用于创建 URL 的 File 对象、Blob 对象 const objectUrl = URL.createObjectURL(object) 4. ArrayBuffer → Blob#const blob = new Blob([new Uint8Array(buffer, byteOffset, length)]) 5. ArrayBuffer → base64#const base64 = btoa(String.fromCharCode.apply(null, new Uint8Array(arrayBuffer...
/// /// base64转换为图片并保存在指定目录中 /// /// 64Base码 ///...= Convert.FromBase64String(encodedImage); File.WriteAllBytes("D:\\demo.png", decodedImage); } //文件路径
The input can be a String, Blob, or Typed Array of data, or via a dataURL representing the file's data as base64 or url-encoded string. No matter the input format, download() saves a file using the specified file name and mime information in the same manner as a server using a ...
您在JavaScript中遇到了window.atob()的已知问题。对于大于65536字节的base64字符串，此函数将失败。这是...
1、前言: 新接手一个老项目,需要改造pdf文件的预览效果,接口直接返回的pdf文件的文件流base64字符串,前端只能拿到base64来进行预览。...pdf.js是一款非常优秀的pdf解析工具,但不支持直接预览文件流,这里需要对pdf.js稍微改造。...2、下载pdf.js 下载地址:https://mo
download(data, strFileName, strMimeType); Included via AMD require(['path/to/file'], function(download) { download(data, strFileName, strMimeType); }); ### Parameters data- The Blob, File, String, or dataURL containing the soon-to-be File's contents. ...
Following is the syntax to create a Buffer from a given string and optionally encoding type −var buf = new Buffer("Simply Easy Learning", "utf-8"); Though "utf8" is the default encoding, you can use any of the following encodings "ascii", "utf8", "utf16le", "ucs2", "base64...
string No Explanation: Base64-encoded MD5 value of the data to be uploaded. It is used for the OBS server to verify data integrity. Restrictions: Base64-encoded, 128-bit MD5 value of the request body. Value range: Base64-encoded, 128-bit MD5 value of the request body calculated based ...
Blob, or Typed Array of data, or via a dataURL representing the file's data as base64 or url-encoded string. No matter the input format, download() saves a file using the specified file name and mime information in the same manner as a server using a Content-Disposition HTTP header. ...