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64 lines
1.4 KiB
64 lines
1.4 KiB
const product = require('../../utils/product.js') |
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Page({ |
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data: { |
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title: '', |
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items: [] |
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}, |
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onLoad: function(params) { |
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var that = this |
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this.setData({ |
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title: '巴爷供销社 - ' + params.type |
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}) |
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product.getCategories(params.type, function(result) { |
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var data = getApp().store.sync(result.data) |
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that.setData({items: data}) |
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wx.setStorage({ |
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key: `cate_${params.type}`, |
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data: data |
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}) |
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}, function(fail) { |
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var key = `cate_${params.type}` |
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var data = wx.getStorage(key) |
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wx.setData({items: data}) |
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}) |
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}, |
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onReady() { |
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wx.setNavigationBarTitle({ title: this.data.title }) |
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}, |
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bindTapProduct: function(e) { |
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var that = this |
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var cartItems = wx.getStorageSync('cartItems') || [] |
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var thisItem = this.data.items.filter(function(ele){ |
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return ele.id === e.currentTarget.dataset.id |
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})[0] |
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if (thisItem) { |
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var exist = cartItems.filter(function(ele){ |
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return ele.id === thisItem.id |
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})[0] |
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} |
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if (exist) { |
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exist.quantity = parseInt(exist.quantity) + 1 |
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} else { |
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cartItems.push({ |
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id: thisItem.id, |
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quantity: '1', |
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product: thisItem |
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}) |
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} |
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wx.setStorage({ |
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key: 'cartItems', |
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data: cartItems |
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}) |
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wx.showToast({ |
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title: '成功加入购物车', |
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icon: 'success', |
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duration: 1000 |
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}) |
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} |
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})
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