59 lines
1.3 KiB
JavaScript
59 lines
1.3 KiB
JavaScript
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//节流
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export const trottle = (func, time = 1000, context) => {
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let previous = new Date(0).getTime()
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return function(...args) {
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let now = new Date().getTime()
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if (now - previous > time) {
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func.apply(context, args)
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previous = now
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}
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}
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}
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//获取url后的参数 以对象返回
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export function strToParams(str) {
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var newparams = {}
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for (let item of str.split('&')) {
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newparams[item.split('=')[0]] = item.split('=')[1]
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}
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return newparams
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}
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//对象参数转为以？&拼接的字符
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export function paramsToStr(params) {
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let p = '';
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if (typeof params == 'object') {
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p = '?'
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for (let props in params) {
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p += `${props}=${params[props]}&`
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}
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p = p.slice(0, -1)
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}
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return p
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}
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/**
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* @description 复制到剪切板
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* @param value { String } 复制内容
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* @return { Promise } resolve | reject
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*/
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export const copyClipboard = (value) => {
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const elInput = document.createElement('input')
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elInput.setAttribute('value', value)
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document.body.appendChild(elInput)
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elInput.select()
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try{
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if(document.execCommand('copy'))
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return Promise.resolve()
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else
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throw new Error()
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} catch(err) {
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return Promise.reject(err)
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} finally {
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document.body.removeChild(elInput)
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}
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} |