Page({ data: { num: 1, cart: [], total: 20, price: 20, }, // 相加 upup: function () { this.data.num += 1; this.data.total = Number(this.data.num) * this.data.price, // 将其赋值 this.setData({ num: this.data.num, total: this.data.total }) }, // 相减 dndn: function () { if(this.data.num<=1){ return; } this.data.num -= 1; this.data.total = Number(this.data.num) * this.data.price, // 将其赋值 this.setData({ num: this.data.num, total: this.data.total }) }, // 页面跳转与赋值 letGo: function () { wx.setStorageSync('total', this.data.total) wx.setStorageSync('num', this.data.num) wx.navigateTo({ url: '../logs/logs' }) }, })
Page({ data: { }, // onload时接收页面与获取缓存并且赋值 onLoad: function (options) { var arr = wx.getStorageSync('total'); var num = wx.getStorageSync('num'); var gods = wx.setStorageSync('gods'); this.setData({ total: arr, num: num, gods:gods }); },})
![[Vuewarn]:Invalidprop:typecheckfailedforpropactive.ExpectedNumber,gotString-邵阳小程序开发公司推荐-小程序开发的公司](http://bbs.zhichihuodong.com/data/attachment/forum/202003/12/135032kff1vshfolslvs1f.jpg)
