Vue 中多个元素或组件的过渡动画

实现多个元素的过渡动画的效果

<!DOCTYPE html><html lang="en"><head>    <  charset="UTF-8">    < >  Vue 中多个元素或组件的过渡动画</ >    <  src = "./vue.js"></ >   <!--  <  src = "./velocity.js"></ > -->   <style>     .v-enter,.v-leave-to{      opacity:0;     }     .v-enter-active,.v-leave-active{      transition: opacity 1s;     }   </style></head><body>    <div id ='root'>      <transition>        <div v-if ="show" key="hello">Hello World</div>        <div v-else key="bye">Bye World</div>      </transition>      <button @click="handleClick">toggle</button>    </div>    < >     var vm = new Vue({        el:'#root',        data:{            show:true        },        methods:{            handleClick:function(){                this.show = !this.show            },            handleBeforeEnter:function(el){                el.style.opacity = 0;            },            handleEnter:function(el,done){                Velocity(el,{opacity:1},                    {duration:1000,                     complete:done                    })            },            handleAfterEnter:function(el){               console.log("动画结束")             }        }       })    </ >   </body></html>

输出:点击--- Hello World 逐渐隐藏(1s),Bye World 直接出现---再次点击--- Bye World 逐渐隐藏 ,Hello World 直接出现

           

防止 Vue 中 div 出现复用,添加不同的 key值

<transition>        <div v-if ="show" key="hello">Hello World</div>        <div v-else key="bye">Bye World</div>      </transition>

 

Vue 还提供 mode 配置参数 设置多个属性切换时的效果

(in-out : 多个元素显示时,先显示的元素先进入,要隐藏的元素才会被隐藏;)

 <div id ='root'>      <transition mode="in-out">        <div v-if ="show" key="hello">Hello World</div>        <div v-else key="bye">Bye World</div>      </transition>

输出:点击--- Bye World 逐渐出现(1s)Hello World才隐藏---再次点击--- Hello World 逐渐出现 (1s),Bye World 才隐藏

            

(out-in : 多个元素显示时,要隐藏的元素先隐藏,要显示的元素先进入;)

 <transition mode="out-in">        <div v-if ="show" key="hello">Hello World</div>        <div v-else key="bye">Bye World</div>      </transition>

输出:点击--- Hello World逐渐隐藏(1s)Bye World 出现---再次点击--- Bye World 逐渐隐藏 (1s), Hello World才出现

            

 

实现多个组件的过渡动画的效果

代码:

<!DOCTYPE html><html lang="en"><head>    <  charset="UTF-8">    < >  Vue 中多个元素或组件的过渡动画</ >    <  src = "./vue.js"></ >   <!--  <  src = "./velocity.js"></ > -->   <style>     .v-enter,.v-leave-to{      opacity:0;     }     .v-enter-active,.v-leave-active{      transition: opacity 1s;     }   </style></head><body>    <div id ='root'>      <transition mode="out-in">        <child v-if ="show" ></child>        <child-one v-else></child-one>      </transition>      <button @click="handleClick">toggle</button>    </div>    < >     Vue.component('child',{        template:'<div>child</div>'     })     Vue.component('child-one',{        template:'<div>child-one</div>'     })     var vm = new Vue({        el:'#root',        data:{            show:true        },        methods:{            handleClick:function(){                this.show = !this.show            }                   }    })    </ >   </body></html>

输出:点击--- child逐渐隐藏(1s)child-one 出现---再次点击--- child-one 逐渐隐藏 (1s), child才出现

                 

 

通过动态组件来实现

component 来定义动态组件,通过 is 属性来将组件和定义的组件名做绑定,来控制执行那个组件

<!DOCTYPE html><html lang="en"><head>    <  charset="UTF-8">    < >  Vue 中多个元素或组件的过渡动画</ >    <  src = "./vue.js"></ >   <!--  <  src = "./velocity.js"></ > -->   <style>     .v-enter,.v-leave-to{      opacity:0;     }     .v-enter-active,.v-leave-active{      transition: opacity 1s;     }   </style></head><body>    <div id ='root'>      <transition mode="out-in">        <component :is="type"></component>        <!-- <child v-if ="show" ></child>        <child-one v-else></child-one> -->      </transition>      <button @click="handleClick">toggle</button>    </div>    < >     Vue.component('child',{        template:'<div>child</div>'     })     Vue.component('child-one',{        template:'<div>child-one</div>'     })     var vm = new Vue({        el:'#root',        data:{            type:'child'        },        methods:{            handleClick:function(){                this.type = this.type === 'child' ? 'child-one' : 'child'             //type 是否为 child ,如果是则赋值为 child-one,不是则赋值为 child            }                   }    })    </ >   </body></html>

输出:点击--- child逐渐隐藏(1s)child-one 出现---再次点击--- child-one 逐渐隐藏 (1s), child才出现

                 

methods:{            handleClick:function(){                this.type = this.type === 'child' ? 'child-one' : 'child'                         }

判断type 是否为 child ,如果是则赋值为 child-one,不是则赋值为 child

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