src求和案例纯Vue版本
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# 代码
# 代码路径
$ tree -N
.
├── App.vue
├── components
│ └── Count.vue
└── main.js
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# App.vue
<template>
<div>
<Count></Count>
</div>
</template>
<script>
import Count from "./components/Count.vue";
export default {
name: "App",
components: { Count },
};
</script>
<style>
.container,
.game,
h4 {
display: flex;
justify-content: space-around;
}
</style>
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# Count.vue
<template>
<div>
<h1>当前的和为:{{ sum }}</h1>
<select v-model.number="n">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
<button @click="increment">+</button>
<button @click="decrement">-</button>
<button @click="incrementOdd">当前和为奇数再加</button>
<button @click="incrementWait">等一等再加</button>
</div>
</template>
<script>
export default {
name: "Count",
data() {
return {
n: 1, // 用户选择的数字
sum: 0, // 当前的和
};
},
methods: {
increment() {
this.sum += this.n;
},
decrement() {
this.sum -= this.n;
},
incrementOdd() {
if (this.sum % 2) {
this.sum += this.n;
}
},
incrementWait() {
setTimeout(() => {
this.sum += this.n;
}, 500);
},
},
};
</script>
<style>
select,
button {
margin-right: 5px;
}
</style>
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# main.js
import Vue from "vue";
import App from "./App.vue";
Vue.config.productionTip = false;
new Vue({
el: "#app",
components: { App },
render: (h) => h(App),
beforeCreate() {
Vue.prototype.$bus = this;
},
});
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上次更新: 2024/11/28, 21:21:13