mirror of
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53 lines
1.3 KiB
TypeScript
53 lines
1.3 KiB
TypeScript
export function toThousands(num: any) {
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return num?.toString().replace(/\d+/, function (n: any) {
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return n.replace(/(\d)(?=(?:\d{3})+$)/g, '$1,')
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})
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}
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export function numberFormat(num: number) {
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return num < 1000 ? toThousands(num) : toThousands((num / 1000).toFixed(1)) + 'k'
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}
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export function filesize(size: number) {
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if (!size) return ''
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/* byte */
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const num = 1024.0
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if (size < num) return size + 'B'
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if (size < Math.pow(num, 2)) return (size / num).toFixed(2) + 'K' //kb
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if (size < Math.pow(num, 3)) return (size / Math.pow(num, 2)).toFixed(2) + 'M' //M
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if (size < Math.pow(num, 4)) return (size / Math.pow(num, 3)).toFixed(2) + 'G' //G
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return (size / Math.pow(num, 4)).toFixed(2) + 'T' //T
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}
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/*
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随机id
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*/
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export const randomId = function () {
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return Math.floor(Math.random() * 10000) + ''
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}
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/*
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获取文件后缀
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*/
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export function fileType(name: string) {
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const suffix = name.split('.')
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return suffix[suffix.length - 1]
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}
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/*
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获得文件对应图片
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*/
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export function getImgUrl(name: string) {
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const type = fileType(name) || 'txt'
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return `/src/assets/${type}-icon.svg`
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}
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/*
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从指定数组中过滤出对应的对象
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*/
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export function realatedObject(list: any, val: string | number, attr: string) {
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const filterData: any = list.filter((item: any) => item[attr] === val)?.[0]
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return filterData || null
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}
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