vue过渡动画

Question

vue过渡动画

Wscats opened this issue 8 years ago · comments

enoyao commented 8 years ago

过渡动画

transition 特性可以与下面资源一起用：

v-if
v-show
v-for （只在插入和删除时触发，使用 vue-animated-list 插件）

DEMO

<!DOCTYPE html>
<html>

    <head>
        <meta charset="UTF-8">
        <title></title>
    </head>
    <style>
        /* 必需 */
        /*伸展动画*/

        .expand-transition {
            transition: all .3s ease;
            height: 20px;
            padding: 10px;
            background-color: #eee;
            overflow: hidden;
        }
        /* .expand-enter 定义进入的开始状态 */
        /* .expand-leave 定义离开的结束状态 */

        .expand-enter,
        .expand-leave {
            height: 0;
            padding: 0 10px;
            opacity: 0;
        }
        /*旋转动画*/

        .rotate-transition {
            transition: all .3s ease;
            height: 20px;
            padding: 10px;
            background-color: #eee;
            overflow: hidden;
        }
        /* .expand-enter 定义进入的开始状态 */
        /* .expand-leave 定义离开的结束状态 */

        .rotate-enter,
        .rotate-leave {
            height: 0;
            padding: 0 10px;
            opacity: 0;
            transform: rotate(360deg);
        }
        /*动画进行时候插入的类*/

        .In {
            background-color: #0062CC;
        }

        .Out {
            background-color: #2AC845;
        }

        .staggered-transition {
            transition: all .5s ease;
            overflow: hidden;
            margin: 0;
            height: 20px;
        }

        .staggered-enter,
        .staggered-leave {
            opacity: 0;
            height: 0;
        }
    </style>

    <body id="demo">
        <!--为了应用过渡效果，需要在目标元素上使用 transition-->
        <!--transition 特性可以与下面资源一起用：
            v-if
            v-show
            v-for （只在插入和删除时触发，使用 vue-animated-list 插件）
        -->
        <p style="color:red">v-if</p>
        <div v-if="fi" transition="expand">hello wsscat</div>
        <button @click="fi=!fi">toggle</button>

        <p style="color:red">v-show</p>
        <div v-show="show" transition="expand">hello wsscat</div>
        <button @click="show=!show">toggle</button>

        <p style="color:red">v-show 动态绑定</p>
        <select v-model="tran">
            <option value="expand">expand</option>
            <option value="rotate">rotate</option>
        </select>
        <div v-show="show1" :transition="tran">hello wsscat</div>
        <button @click="show1=!show1">toggle</button>

        <p style="color:red">v-for</p>
        <input v-model="query">
        <li v-for="item in list | filterBy query" transition="staggered" stagger="100">
            {{item.msg}}
        </li>
    </body>
    <script src="../vue.js"></script>
    <script>
        //全局定义
        //JavaScript钩子,动画发生时候改变动画所在标签的值，enter和afterEnter最为明显
        Vue.transition('expand', {
            beforeEnter: function(el) {
                el.textContent = 'beforeEnter'
            },
            enter: function(el) {
                el.textContent = 'enter'
            },
            afterEnter: function(el) {
                el.textContent = 'afterEnter'
            },
            enterCancelled: function(el) {
                // handle cancellation
            },
            beforeLeave: function(el) {
                el.textContent = 'beforeLeave'
            },
            leave: function(el) {
                el.textContent = 'leave'
            },
            afterLeave: function(el) {
                el.textContent = 'afterLeave'
            },
            leaveCancelled: function(el) {
                // handle cancellation
            }
        })

        new Vue({
            el: '#demo',
            data: {
                name: 'wsscat',
                fi: true,
                show: true,
                show1: true,
                tran: 'expand',
                query: '',
                //v-for的列表数据
                list: [{
                    msg: 'Bruce Lee'
                }, {
                    msg: 'Jackie Chan'
                }, {
                    msg: 'Chuck Norris'
                }, {
                    msg: 'Jet Li'
                }, {
                    msg: 'Kung Fury'
                }]
            },
            //局部定义
            transitions: {
                rotate: {
                    //定义动画进入前后加载的类名
                    enterClass: 'In',
                    leaveClass: 'Out',
                    enter: function(el) {
                        el.textContent = 'Hello'
                    },
                    afterEnter: function(el) {
                        el.textContent = 'Bye'
                    },
                }
            }
        })
    </script>
</html>

首先在在v-if,v-show或者v-for指令上面写上属性transition，格式为transition="类名"(下面例子均为transition="expand")
注意.expand-transition一定要在写在.expand-enter和.expand-leave前面，不然enter和leave动画会失效
进场动画的过渡为.expand-enter=>.expand-transition
离场动画的过渡为.expand-transition=>.expand-enter
一般情况下我们可以保持.expand-enter和.expand-enter一样