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| <html>
<header>
<title>Vue.js 组件</title>
<link rel="stylesheet" href="style.css">
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</header>
<body>
<div id="box">
<navbar></navbar>
<child v-show="isShow"></child>
</br>
<h2>动态传值 -- 父传子（属性）</h2>
<child :name="myname" :isshow="isShow"></child>
<child :name="myname" :isshow="false"></child>
<child :name="myname" :isshow="true"></child>
<br>
<h2>动态传值 -- 子传父（事件）</h2>
//$event 传参数为固定写法
<child @myevent="handlerEvent($event)" name="付款" :isshow="true"></child>
<br>
<h2>example</h2>
<sidebar1 @sidebar-event="handlerSEvent"></sidebar1>
<sidebar2 v-show=isShow></sidebar2>
</div>
</body>
<script>
Vue.component("navbar", {
template: `
<div>
<button @click='handlerClick'>Newer</button>
<button>Older</button>
<child></child>
<navbarChild></navbarChild>
</div>`,
components: {
// 内部组件
navbarChild: { template: `<div><button>navbar child 内部组件</button></div>` }
},
methods: {
handlerClick() {
console.log('narvar')
}
}
})
// 全局组件
Vue.component("child", {
template: `
<div>
<button>Child 全局组件 -- {{name}}</button>
<button v-show="isshow"> isShow-- {{isshow}}</button>
<button v-show="isshow" @click="handlerClick"> 付款 </button>
</div>
`,
// props: ["name", "isshow"],
props: {
name: String,
isshow: Boolean,
t: null // null 表示不限制
},
methods: {
handlerClick() {
console.log(this.count)
this.$emit("myevent", this.count)
}
},
data() {
return {
count: 100
}
}
})
Vue.component('sidebar1', {
template: `<div><button @click="handlerSClick"> 侧边栏 </button></div>`,
methods: {
handlerSClick() {
this.$emit("sidebar-event")
}
}
})
Vue.component('sidebar2', {
template: `<div style="background:red;width:200px">
<ul>
<li> 11111 </li>
<li> 11111 </li>
<li> 11111 </li>
<li> 11111 </li>
<li> 11111 </li>
<li> 11111 </li>
</ul>
</div>`
})
var vm = new Vue({
el: "#box",
data: {
myname: 'XXXX',
isShow: false
},
methods: {
handlerEvent(ev) {
console.log('收到付款:', ev)
},
handlerSEvent() {
this.isShow = !this.isShow
}
}
})
</script>
</html>
|
