Bartender文件.btw(ANSI)进行base64加密存进数据库，下载文件时需要进行atob
handleChange (file, fileList) {
2 let _this = this
3 if ( this .formdata.printMode !== ‘Bartender‘) return
4 this .formdata.remark = file.name
5 let reader = new FileReader()
6 reader.readAsDataURL(file.raw)
7 reader.onload = function () {
8 _this.fileList = fileList
9 _this.bartenderstring = reader.result.substring(reader.result.indexOf(‘base64‘) + ‘base64,‘ .length)
10 }
11 },
12 decode (base64) {
13 let decode = window.atob(base64)
14 var len = decode.length
15 var bytes = new Uint8Array(len)
16 for ( var i = 0; i < len; i++ ) {
17 bytes[i] = decode.charCodeAt(i)
18 }
19 // let str = decodeURI(decode)
20 return bytes
21 },
22 handlePreview (file) {
23 try {
24 let content = this .decode( this .bartenderstring)
25 const blob = new Blob([content])
26 let a = document.createElement(‘a‘ );
27 a.download = file.name + ‘.btw‘ ;
28 a.href = URL.createObjectURL(blob);
29 let event = new MouseEvent(‘click‘ );
30 a.dispatchEvent(event);
31 } catch (e) {
32 console.log(e)
33 }
34 }
Bartender文件.btw(ANSI)进行base64加密存进数据库，下载文件时需要进行atob解码在转成bytes字节后，new Blob才能得到ANSI编码的文本
标签：sda 需要 数据库 tee document ref 下载文件 bst result
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