43 lines
918 B
JavaScript
43 lines
918 B
JavaScript
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/**
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* @description 本地图片转base64方法（兼容APP、H5、小程序）
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* @param {number} path 图片本地路径
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* @returns Promise对象
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*/
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const toBase64 = (path) => {
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return new Promise((resolve, reject) => {
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// #ifdef APP-PLUS
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plus.io.resolveLocalFileSystemURL(path, (entry) => {
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entry.file((file) => {
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let fileReader = new plus.io.FileReader()
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fileReader.readAsDataURL(file)
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fileReader.onloadend = (evt) => {
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let base64 = evt.target.result.split(",")[1]
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resolve(base64)
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}
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})
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})
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// // #endif
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// #ifdef H5
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uni.request({
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url: path,
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responseType: 'arraybuffer',
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success: (res) => {
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resolve(uni.arrayBufferToBase64(res.data))
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}
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})
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// #endif
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// #ifdef MP-WEIXIN
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uni.getFileSystemManager().readFile({
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filePath: path,
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encoding: 'base64',
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success: (res) => {
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resolve(res.data)
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}
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})
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// #endif
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})
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}
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export {
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toBase64
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}
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