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| /*
| *dataurl:base64
| *filename:设置文件名称
| */
| export const dataURLtoFile=(dataurl,filename) =>{
| let arr = dataurl.split(',')
| let mime = arr[0].match(/:(.*?);/)[1]
| let suffix = mime.split('/')[1]
| let bstr = atob(arr[1])
| let n = bstr.length
| let u8arr = new Uint8Array(n)
| while (n--) {
| u8arr[n] = bstr.charCodeAt(n)
| }
| return new File([u8arr], `${filename}.${suffix}`, {
| type: mime
| })
| }
|
|
