//mixins.jsfunction mixinPage () {const originPage = Page Page = (options) => { options = mergePage(options.mixins, options) originPage(options) }}const ORIGIN_PROPERTIES_PAGE = [ 'data']const ORIGIN_METHODS = [ 'onLoad', 'onReady', 'onShow', 'onHide', 'onUnload', 'onPullDownRefresh', 'onReachBottom', 'onShareAppMessage', 'onPageScroll', 'onResize', 'onTabItemTap']function mergePage (mixins, options) { mixins.forEach((mixin) => { if (typeof mixin == 'object') { for (let key in mixin) { if (ORIGIN_PROPERTIES_PAGE.includes(key)) { options[key] = { ...mixin[key], ...options[key] } } else if (ORIGIN_METHODS.includes(key)) { const originFunc = options[key] options[key] = function (...args) { mixin[key].call(this, ...args) return originFunc && originFunc.call(this, ...args) } } else { options = { ...mixin, ...options } } } } }) return options}mixinPage()module.exports = { data: { aaa999: '' }, onShow() { this.setData({ 'aaa999':333 }) }}//混入文件module.exports = { data: { a:1 }, onShow() { }, XXXXX(){ },}//页面配置Page({mixins:[......]
2023-03-31
