110 lines
2.2 KiB
JavaScript
110 lines
2.2 KiB
JavaScript
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/**
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* 获取文件名和后缀
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* @param {String} name
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*/
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export const get_file_ext = (name) => {
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const last_len = name.lastIndexOf('.')
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const len = name.length
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return {
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name: name.substring(0, last_len),
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ext: name.substring(last_len + 1, len)
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}
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}
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/**
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* 获取扩展名
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* @param {Array} fileExtname
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*/
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export const get_extname = (fileExtname) => {
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if (!Array.isArray(fileExtname)) {
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let extname = fileExtname.replace(/(\[|\])/g, '')
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return extname.split(',')
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} else {
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return fileExtname
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}
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return []
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}
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/**
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* 获取文件和检测是否可选
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*/
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export const get_files_and_is_max = (res, _extname) => {
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let filePaths = []
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let files = []
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if(!_extname || _extname.length === 0){
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return {
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filePaths,
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files
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}
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}
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res.tempFiles.forEach(v => {
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let fileFullName = get_file_ext(v.name)
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const extname = fileFullName.ext.toLowerCase()
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if (_extname.indexOf(extname) !== -1) {
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files.push(v)
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filePaths.push(v.path)
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}
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})
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if (files.length !== res.tempFiles.length) {
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uni.showToast({
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title: `当前选择了${res.tempFiles.length}个文件 ，${res.tempFiles.length - files.length} 个文件格式不正确`,
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icon: 'none',
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duration: 5000
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})
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}
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return {
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filePaths,
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files
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}
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}
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/**
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* 获取图片信息
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* @param {Object} filepath
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*/
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export const get_file_info = (filepath) => {
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return new Promise((resolve, reject) => {
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uni.getImageInfo({
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src: filepath,
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success(res) {
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resolve(res)
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},
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fail(err) {
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reject(err)
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}
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})
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})
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}
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/**
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* 获取封装数据
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*/
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export const get_file_data = async (files, type = 'image') => {
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// 最终需要上传数据库的数据
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let fileFullName = get_file_ext(files.name)
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const extname = fileFullName.ext.toLowerCase()
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let filedata = {
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name: files.name,
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uuid: files.uuid,
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extname: extname || '',
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cloudPath: files.cloudPath,
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fileType: files.fileType,
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url: files.path || files.path,
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size: files.size, //单位是字节
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image: {},
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path: files.path,
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video: {}
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}
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if (type === 'image') {
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const imageinfo = await get_file_info(files.path)
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delete filedata.video
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filedata.image.width = imageinfo.width
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filedata.image.height = imageinfo.height
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filedata.image.location = imageinfo.path
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} else {
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delete filedata.image
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}
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return filedata
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}
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