vue.ts
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// @ts-nocheck
import {platform} from '../platform'
/**
* buffer转路径
* @param {Object} buffer
*/
// @ts-nocheck
export function arrayBufferToFile(buffer: ArrayBuffer | Blob, name?: string, format?:string):Promise<(File|string)> {
return new Promise((resolve, reject) => {
// #ifdef MP
const fs = uni.getFileSystemManager()
//自定义文件名
if (!name && !format) {
reject(new Error('ERROR_NAME_PARSE'))
}
const fileName = `${name || new Date().getTime()}.${format.replace(/(.+)?\//,'')}`;
let pre = platform()
const filePath = `${pre.env.USER_DATA_PATH}/${fileName}`
fs.writeFile({
filePath,
data: buffer,
success() {
resolve(filePath)
},
fail(err) {
console.error(err)
reject(err)
}
})
// #endif
// #ifdef H5
const file = new File([buffer], name, {
type: format,
});
resolve(file)
// #endif
// #ifdef APP-PLUS
const bitmap = new plus.nativeObj.Bitmap('bitmap' + Date.now())
const base64 = uni.arrayBufferToBase64(buffer)
bitmap.loadBase64Data(base64, () => {
if (!name && !format) {
reject(new Error('ERROR_NAME_PARSE'))
}
const fileNmae = `${name || new Date().getTime()}.${format.replace(/(.+)?\//,'')}`;
const filePath = `_doc/uniapp_temp/${fileNmae}`
bitmap.save(filePath, {},
() => {
bitmap.clear()
resolve(filePath)
},
(error) => {
bitmap.clear()
reject(error)
})
}, (error) => {
bitmap.clear()
reject(error)
})
// #endif
})
}