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购物车全选

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 1import { CardModel } from "../viewModel/CardModel"
 2
 3@Component
 4export struct GoodItem {
 5  @ObjectLink item: CardModel
 6  private computedTotalPrice = () => {
 7  }
 8
 9  build() {
10    Flex({
11      direction: FlexDirection.Row,
12      justifyContent: FlexAlign.SpaceBetween,
13      alignItems: ItemAlign.Center
14    }) {
15      // 复选框
16      Column() {
17        Checkbox({
18          name: 'checkbox'
19        })
20          .selectedColor('#ed6f21')
21          .select(this.item.good_checked == 0 ? false : true)
22          .onClick(() => {
23            if (this.item.good_checked == 0) {
24              (this.item.good_checked as number) = 1
25            } else {
26              (this.item.good_checked as number) = 0
27            }
28            // 总价重新计算
29            this.computedTotalPrice()
30          })
31      }
32      .width(85)
33
34      Column() {
35        Image($r(this.item.good_big_logo))
36          .width(100)
37      }
38      .width(120)
39
40      Column() {
41        Text(this.item.good_name)
42          .width(150)
43          .maxLines(2)
44          .textOverflow({
45            overflow: TextOverflow.Ellipsis
46          })
47        Text(`￥${this.item.good_price}`)
48          .fontColor(Color.Brown)
49          .fontSize(18)
50
51        Row() {
52          Text('-')
53            .width(24)
54            .height(24)
55            .fontWeight(FontWeight.Bold)
56            .onClick(() => {
57              this.item.good_count = this.item.good_count == 0 ? 0 : Number(this.item.good_count) - 1
58              this.computedTotalPrice()
59            })
60          Text(`${this.item.good_count}`)
61            .fontSize(14)
62            .fontColor(Color.Black)
63            .textAlign(TextAlign.Center)
64            .width(20)
65            .lineHeight(24)
66          Text('+')
67            .width(24)
68            .height(24)
69            .fontWeight(FontWeight.Bold)
70            .onClick(() => {
71              (this.item.good_count as number) += 1
72              this.computedTotalPrice()
73            })
74        }
75      }
76      .flexGrow(1)
77    }
78    .width('100%')
79    .height(130)
80    .backgroundColor(Color.White)
81  }
82}

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