<div id="app"> 
<children> 
<span>12345</span> 
<!--上面这行不会显示--> 
</children> 
</div> 
<script> 
var vm = new Vue({ 
el: '#app', 
components: { 
children: { //这个无返回值，不会继续派发 
template: "<button>为了明确作用范围，所以使用button标签</button>" 
} 
} 
}); 
</script> 

<div id="app"> 
<children> 
<span>12345</span> 
<!--上面这行不会显示--> 
</children> 
</div> 
<script> 
var vm = new Vue({ 
el: '#app', 
components: { 
children: { //这个无返回值，不会继续派发 
template: "<button><slot></slot>为了明确作用范围，所以使用button标签</button>" 
} 
} 
}); 
</script> 

<div id="app"> 
<children> 
<span slot="first">12345</span> 
<span slot="second">56789</span> 
<!--上面这行不会显示--> 
</children> 
</div> 
<script> 
var vm = new Vue({ 
el: '#app', 
components: { 
children: { //这个无返回值，不会继续派发 
template: "<button><slot name='first'></slot>为了明确作用范围，<slot name='second'></slot>所以使用button标签</button>" 
} 
} 
}); 
</script>

<button>
<span slot="first">12345</span>
为了明确作用范围，
<span slot="second">56789</span>
所以使用button标签
</button>

<div id="app"> 
<children> 
<span slot="first" @click="tobeknow">12345</span> 
<span slot="second">56789</span> 
<!--上面这行不会显示--> 
</children> 
</div> 
<script> 
var vm = new Vue({ 
el: '#app', 
methods: { 
tobeknow: function () { 
console.log("It is the parent's method"); 
} 
}, 
components: { 
children: { //这个无返回值，不会继续派发 
template: "<button><slot name='first'></slot>为了明确作用范围，<slot name='second'></slot>所以使用button标签</button>" 
} 
} 
}); 
</script>

<div id="app"> 
<children> 
<span slot="first">【12345】</span> 
<!--上面这行不会显示--> 
</children> 
</div> 
<script> 
var vm = new Vue({ 
el: '#app', 
components: { 
children: { //这个无返回值，不会继续派发 
template: "<div><slot name='first'><button>【如果没有内容则显示我1】</button></slot>为了明确作用范围，<slot name='last'><button>【如果没有内容则显示我2】</button></slot>所以使用button标签</div>" 
} 
} 
}); 
</script> 

<div id="app"> 
<button @click="toshow">点击让子组件显示</button> 
<children v-if="abc"> 
</children> 
</div> 
<script> 
var vm = new Vue({ 
el: '#app', 
data: { 
abc: false 
}, 
methods: { 
toshow: function () { 
this.abc = !this.abc; 
} 
}, 
components: { 
children: { //这个无返回值，不会继续派发 
template: "<div>这里是子组件</div>" 
} 
} 
}); 
</script>

<div id="app"> 
<button @click="toshow">点击让子组件显示</button> 
<children> 
<span slot="first">【12345】</span> 
<!--上面这行不会显示--> 
</children> 
</div> 
<script> 
var vm = new Vue({ 
el: '#app', 
methods: { 
toshow: function () { 
this.$children[0].tohidden = true; 
} 
}, 
components: { 
children: { //这个无返回值，不会继续派发 
template: "<div v-if='tohidden' @click='tohide'>这里是子组件</div>", 
data: function () { 
return { 
tohidden: true 
} 
}, 
methods: { 
tohide: function () { 
this.tohidden = !this.tohidden; 
} 
} 
} 
} 
}); 
</script>