// 工具类函数
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// 随机id
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function createRandomId(): string {
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return (
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(Math.random() * 10000000).toString(16).substr(0, 4) +
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new Date().getTime() +
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Math.random().toString().substr(2, 5)
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)
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}
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// 随机数
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function randomNumber(min = 1, max = 100) {
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return parseInt(Math.random() * (max - min + 1) + min.toString())
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}
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function getTableHeight(num?: number | undefined) {
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const pageHeight = window.innerHeight
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const height = num ? num / 100 : 0.81
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const heightPx = Math.floor(pageHeight * height)
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return heightPx
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}
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// 是否数字
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function isNumber(val: string | number): boolean {
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// 不能转换为数字的直接抛出
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if (isNaN(Number(val))) return false
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// 去除所有空格，什么都没有
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const val1 = val.toString().replace(/\s+/g, '')
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if (!val1) return false
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// 小数点后，什么都没有
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const val2 = val.toString().split('.')
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if (val2.length >= 2) {
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if (!val2[1]) return false
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}
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return true
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}
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// 自适应分辨率
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function adaptiveResolution() {
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// 获取屏幕宽、高
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// bodyW = document.body.clientWidth,
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// bodyH = document.body.clientHeight,
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var bodyW = window.innerWidth
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var bodyH = window.innerHeight
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// var bodyW = window.screen.width;
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// var bodyH = window.screen.height;
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var appBodyWRatio = bodyW / 1920 // 屏幕宽 与 设定的最小宽度 的比值
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var appBodyHRatio = bodyH / 1080 // 屏幕宽 与 设定的最小宽度 的比值
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// var appEle = document.getElementById('app') // #app
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var appEle = document.body // body
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appEle.style.position = 'relative'
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// console.log('appBodyWRatio == ', appBodyWRatio, 'appBodyHRatio == ', appBodyHRatio)
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if (appBodyWRatio <= 1 || appBodyHRatio <= 1) {
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// 比值小于1时，需要处理
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var appH = bodyH / appBodyHRatio // 重新设置页面高度
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var appW = bodyW / appBodyWRatio // 重新设置页面高度
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// var positionBase = (1 - appBodyRatio) / 2 * 100 + 9; // 重新设置位移值
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// var positionLeft = (1920 - bodyW) / 2; // 重新设置left位移值
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var positionRight = (appH - bodyH) / 2 // 重新设置left位移值
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// var positionRight = (appH - bodyH) / 2; // 重新设置right位移值
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var positionLeft = (appW - bodyW) / 2 // 重新设置right位移值
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// appEle.style.width = "1920px";
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appEle.style.width = appW + 'px'
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appEle.style.height = appH + 'px'
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// appEle.style.height = "1080px";
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appEle.style.transform =
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'scale(' + appBodyWRatio + ', ' + appBodyHRatio + ')'
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appEle.style.left = -positionLeft + 'px'
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appEle.style.top = -positionRight + 'px'
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} else {
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appEle.style.width = '100%'
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appEle.style.height = '100%'
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appEle.style.transform = ''
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appEle.style.position = '0'
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appEle.style.top = '0'
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}
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}
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function generateUniqueId() {
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let id = ''
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const characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
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const charactersLength = characters.length
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for (let i = 0; i < 10; i++) {
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id += characters.charAt(Math.floor(Math.random() * charactersLength))
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}
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return id
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}
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// @ts-ignore
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function downloadFile(file, fileName) {
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const blob = new Blob([file])
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// 兼容不同浏览器的URL对象
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// const url:any = window.URL || window.webkitURL || window.moxURL
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const url = window.URL || window.webkitURL
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// 创建下载链接
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const downloadHref = url.createObjectURL(blob)
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// 创建a标签并为其添加属性
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let downloadLink = document.createElement('a')
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downloadLink.href = downloadHref
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downloadLink.download = fileName
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// 触发点击事件执行下载
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downloadLink.click()
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// @ts-ignore
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window.URL.revokeObjectURL(url)
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}
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/**
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* 将map转换成数组list
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* @param map
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*/
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function genMapToArrayList(map: Record<string, any>): any[] {
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const list: any[] = []
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for (const key in map) {
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if (map.hasOwnProperty(key)) {
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list.push(map[key])
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}
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}
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return list
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}
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/**
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* 将[{description: 'xx', value: 1}]转成成[{label: 'xx',value: 1}]
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*/
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export function transformOptions(data: any): any[] {
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return data.map((item: any) => {
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return {
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label: item.description,
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value: item.value,
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name: item.name,
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}
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})
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}
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/**
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* 判断数组的某个字段是否有重复项
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* @param array 数组源
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* @param property 需要判断数组中对象的字段名
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* @returns boolean
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*/
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const hasDuplicates = (array: any[], property: string) => {
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var values = array.map((element) => element[property])
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var uniqueValues = new Set(values)
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return values.length !== uniqueValues.size
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}
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export {
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hasDuplicates,
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genMapToArrayList,
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createRandomId,
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randomNumber,
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isNumber,
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adaptiveResolution,
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getTableHeight,
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generateUniqueId,
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downloadFile,
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}
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