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vue如何进行动画的封装

2024-05-06 15:29:30
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本文实例为大家分享了vue动画封装的具体代码,供大家参考,具体内容如下

<style>  .v-enter,.v-leave-to{    opacity: 0;  }  .v-enter-active,.v-leave-active{    transition:opacity 1s;  }</style><div id='app'>  <transition>    <div v-if='show'>hello world</div>  </transition>  <button @click='handleClick'>切换</button></div><script>var vm = new Vue({  el:'#app',  data:{    show:true  },  methods:{    handleClick:function(){      this.show = !this.show;    }  }})</script>

有时候这种渐隐渐现的效果用的比较多,要复用,需要封装一下,怎么封装呢

<style>  .v-enter,.v-leave-to{    opacity: 0;  }  .v-enter-active,.v-leave-active{    transition:opacity 1s;  }</style><div id='app'>  <fade :show='show'>    <div>hello world</div>  </fade>  <fade :show='show'>    <h1>hello world</h1>  </fade>  <button @click='handleClick'>切换</button></div><script>Vue.component('fade',{  props:['show'],  template: `    <transition>      <slot v-if='show'></slot>    </transition>  `})var vm = new Vue({  el:'#app',  data:{    show:false  },  methods:{    handleClick:function(){      this.show = !this.show;    }  }})</script>

可以这样封装,将dom元素传入slot,除了这样,还可以样式一起封装进去

<div id='app'>  <fade :show='show'>    <div>hello world</div>  </fade>  <fade :show='show'>    <h1>hello world</h1>  </fade>  <button @click='handleClick'>切换</button></div><script>Vue.component('fade',{  props:['show'],  template: `    <transition @before-enter='handleBeforeEnter' @enter='handleEnter'>      <slot v-if='show'></slot>    </transition>  `,  methods:{    handleBeforeEnter:function(el){      el.style.color='red'    },    handleEnter:function(el,done){      setTimeout(()=>{        el.style.color='green';        done();      },2000)    }  }})var vm = new Vue({  el:'#app',  data:{    show:false  },  methods:{    handleClick:function(){      this.show = !this.show;    }  }})</script>

把样式一起封装进来,是比较推荐的方式。

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