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