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70 lines
1.4 KiB
70 lines
1.4 KiB
<template>
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<div class="count">
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<h2>当前求和为：{{ countStore.sum }}</h2>
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<select v-model.number="n">
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<option value="1">1</option>
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<option value="2">2</option>
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<option value="3">3</option>
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</select>
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<button @click="add">加</button>
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<button @click="minus">减</button>
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</div>
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</template>
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<script setup lang="ts" name="Count">
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import { ref,reactive } from "vue";
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import {useCountStore} from '@/store/count'
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const countStore = useCountStore()
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// 以下两种方式都可以拿到state中的数据
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// console.log('@@@',countStore.sum)
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// console.log('@@@',countStore.$state.sum)
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/* let obj = reactive({
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a:1,
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b:2,
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c:ref(3)
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})
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let x = ref(9)
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console.log(obj.a)
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console.log(obj.b)
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console.log(obj.c) */
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// 数据
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let n = ref(1) // 用户选择的数字
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// 方法
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function add(){
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//第一种修改方式
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// countStore.sum += 1
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//第二种修改方式
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// countStore.$patch({
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// sum:999,
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// school:'xxx',
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// address:'yyy'
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// })
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//第三种修改方式
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countStore.increment(n.value)
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}
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function minus(){
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countStore.decrement(n.value)
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}
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</script>
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<style scoped>
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.count {
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background-color: skyblue;
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padding: 10px;
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border-radius: 10px;
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box-shadow: 0 0 10px;
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}
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select,button {
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margin: 0 5px;
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height: 25px;
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}
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</style>
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