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76 lines
1.8 KiB
76 lines
1.8 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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console.log('接收到的参数:', options);
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// 即使参数不完整，也要尝试获取并设置
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const productName = options.productName ? decodeURIComponent(options.productName) : '';
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const specification = options.specification ? decodeURIComponent(options.specification) : '';
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let price = 0;
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if (options.price) {
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const decodedPrice = decodeURIComponent(options.price);
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console.log('解码后的价格:', decodedPrice);
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price = parseFloat(decodedPrice) || 0;
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}
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console.log('解析后的参数:', { productName, specification, price });
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this.setData({
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productName: productName,
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specification: specification,
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price: price,
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totalPrice: 0 // 初始时总价为0，不显示
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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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// 只更新件数，不更新总价，等待点击计算按钮
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});
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},
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// 减少数量
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decreaseQuantity() {
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if (this.data.quantity > 1) {
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this.setData({
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quantity: this.data.quantity - 1
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});
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}
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},
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// 增加数量
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increaseQuantity() {
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this.setData({
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quantity: this.data.quantity + 1
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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 = Math.round(this.data.price * this.data.quantity * 10) / 10;
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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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