当前位置：Gxlcms >
数据库问题 >
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
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
时间：2021-07-01 10:21:17
帮助过：34人阅读
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
