deguodaigou/components/shopping/shoppingitem/shoppingitem.js

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// components/shopping/shoppingitem/shoppingitem.js
Component({
/**
* 组件的属性列表
*/
properties: {
shospname: String,
shopdesc: String,
price: Number,
pic: String
},
/**
* 组件的初始数据
*/
data: {
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num: 5
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},
/**
* 组件的方法列表
*/
methods: {
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rm() {
if (this.data.num == 0) {
return
} else {
this.setData({
num: this.data.num - 1
})
}
},
add() {
this.setData({
num: this.data.num + 1
})
}
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}
})