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49 lines
1.0 KiB
49 lines
1.0 KiB
Page({
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data: {
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productName: '',
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specification: '',
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price: 0,
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quantity: 1,
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totalPrice: 0,
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loading: false,
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error: ''
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},
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onLoad(options) {
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if (options.productName && options.specification && options.price) {
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const price = parseFloat(options.price) || 0;
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this.setData({
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productName: decodeURIComponent(options.productName),
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specification: decodeURIComponent(options.specification),
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price: price,
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totalPrice: price
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});
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}
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},
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// 件数输入变化
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onQuantityChange(e) {
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const quantity = parseInt(e.detail.value) || 1;
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this.setData({
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quantity: quantity,
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totalPrice: this.data.price * quantity
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});
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},
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// 计算价格
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calculatePrice() {
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const totalPrice = this.data.price * this.data.quantity;
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this.setData({
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totalPrice: totalPrice
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});
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wx.showToast({
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title: '计算完成',
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icon: 'success',
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duration: 1000
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});
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},
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// 返回上一页
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goBack() {
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wx.navigateBack();
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}
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});
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