149 lines
4.9 KiB
JavaScript
149 lines
4.9 KiB
JavaScript
/*
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* @Author: zhang peng
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* @Date: 2021-08-03 10:57:51
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* @LastEditTime: 2022-05-04 21:24:16
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* @LastEditors: zhang peng
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* @Description:
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* @FilePath: /miniprogram-to-uniapp2/src/project/template/polyfill/mixins.js
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*
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* 如果你想删除本文件，请先确认它使用的范围，感谢合作~
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* 如有疑问，请直接联系: 375890534@qq.com
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*/
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export default {
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methods: {
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/**
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* 转义符换成普通字符
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* @param {*} str
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* @returns
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*/
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escape2Html (str) {
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if (!str) return str
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var arrEntities = {
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'lt': '<',
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'gt': '>',
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'nbsp': ' ',
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'amp': '&',
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'quot': '"'
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}
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return str.replace(/&(lt|gt|nbsp|amp|quot);/ig, function (all, t) {
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return arrEntities[t]
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})
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},
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/**
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* 普通字符转换成转义符
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* @param {*} sHtml
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* @returns
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*/
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html2Escape (sHtml) {
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if (!sHtml) return sHtml
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return sHtml.replace(/[<>&"]/g, function (c) {
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return {
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'<': '<',
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'>': '>',
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'&': '&',
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'"': '"'
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}[c]
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})
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},
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/**
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* setData polyfill 勿删!!!
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* 用于转换后的uniapp的项目能直接使用this.setData()函数
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* @param {*} obj
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* @param {*} callback
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*/
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setData: function (obj, callback) {
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let that = this
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const handleData = (tepData, tepKey, afterKey) => {
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var tepData2 = tepData
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tepKey = tepKey.split('.')
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tepKey.forEach(item => {
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if (tepData[item] === null || tepData[item] === undefined) {
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let reg = /^[0-9]+$/
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tepData[item] = reg.test(afterKey) ? [] : {}
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tepData2 = tepData[item]
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} else {
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tepData2 = tepData[item]
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}
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})
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return tepData2
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}
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const isFn = function (value) {
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return typeof value == 'function' || false
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}
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Object.keys(obj).forEach(function (key) {
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let val = obj[key]
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key = key.replace(/\]/g, '').replace(/\[/g, '.')
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let front, after
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let index_after = key.lastIndexOf('.')
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if (index_after != -1) {
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after = key.slice(index_after + 1)
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front = handleData(that, key.slice(0, index_after), after)
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} else {
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after = key
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front = that
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}
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if (front.$data && front.$data[after] === undefined) {
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Object.defineProperty(front, after, {
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get () {
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return front.$data[after]
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},
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set (newValue) {
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front.$data[after] = newValue
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that.hasOwnProperty("$forceUpdate") && that.$forceUpdate()
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},
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enumerable: true,
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configurable: true
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})
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front[after] = val
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} else {
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that.$set(front, after, val)
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}
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})
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// this.$forceUpdate();
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isFn(callback) && this.$nextTick(callback)
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},
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/**
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* 解析事件里的动态函数名，这种没有()的函数名，在uniapp不被执行
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* 比如：<view bindtap="{{openId==undefined?'denglu':'hy_to'}}">立即</view>
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* @param {*} exp
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*/
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parseEventDynamicCode (e, exp) {
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if (typeof (this[exp]) === 'function') {
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this[exp](e)
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}
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},
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/**
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* 用于处理对props进行赋值的情况
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* //简单处理一下就行了
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*
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* @param {*} target
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* @returns
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*/
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deepClone (target) {
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return JSON.parse(JSON.stringify(target))
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},
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/**
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* 用于处理dataset
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* 自定义组件的事件里，是获取不到e.currentTarget.dataset的
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* 因此收集data-参数，手动传进去
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*
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* @param {*} event
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* @param {*} dataSet
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* @returns
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*/
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datasetHandle (event, dataSet = {}) {
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if (event && !event.currentTarget) {
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if (dataSet.tagId) {
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event.currentTarget = {
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id: dataSet.tagId
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}
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} else {
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event.currentTarget = {
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dataset: dataSet
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}
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}
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}
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}
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}
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}
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