Vue的Js动画与Velocity.js的结合

发布时间:2020-07-07 04:31:36 作者:梁十八
来源:网络 阅读:402

@before-enter,在隐藏后,点击让它显示的时候,显示之前会触发。@enter不同,是在动画执行的过程中触发。done触发完成之后就是@after-enter。这些是通过js钩子来实现,也就是js来实现的:

<!DOCTYPE html>
<html>
<head>
    <title></title>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <link rel="stylesheet" type="text/css" href="./animate.css">
    <script src="./vue.js"></script>
    <!-- <script src="http://cdn.staticfile.org/vue/2.6.10/vue.common.dev.js"></script> -->
</head>
<body>
    <div id="root">
        //自定义class名字:
        <transition 
            name="fade" 
            @before-enter="handleBeforeEnter"
            @enter="handleEnter"
            @after-enter="handleAfterEnter"
        >
            <div v-show="show">hello</div>
        </transition>
        <button @click="handleClick">切换</button>
    </div>
    <script type="text/javascript">
        var vm = new Vue({
            el: "#root",
            data: {
                show: true
            },
            methods: {
                handleClick: function() {
                    this.show = !this.show
                },
                //el指的是动画包裹的标签
                handleBeforeEnter: function(el) {
                    //console.log("handleBeforeEnter")
                    //在标签从隐藏点击显示的时候,变成了红色
                    el.style.color = "red"
                },
                //接收两个回调函数,el同上,done
                handleEnter: function(el, done) {
                    //之前显示是红色,两秒后变成绿色
                    setTimeout(()=>{
                        el.style.color = "green"
                    }, 2000)
                    setTimeout(()=>{
                        //但4秒才告诉vue结束(也就是2秒后变绿,又4-2秒后变黑)
                        done() //这个done很重要,执行完之后要告诉vue,已经执行完
                    }, 4000)
                },
                handleAfterEnter: function(el) {
                    el.style.color = "black"
                }
            }
        });
    </script>
</body>
</html>

当然,除了入场动画,还有出场动画:

<!DOCTYPE html>
<html>
<head>
    <title></title>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <link rel="stylesheet" type="text/css" href="./animate.css">
    <script src="./vue.js"></script>
    <!-- <script src="http://cdn.staticfile.org/vue/2.6.10/vue.common.dev.js"></script> -->
</head>
<body>
    <div id="root">
        //自定义class名字:
        <transition 
            name="fade" 
            @before-leave="handleBeforeLeave"
            @leave="handleLeave"
            @after-leave="handleAfterLeave"
        >
            <div v-show="show">hello</div>
        </transition>
        <button @click="handleClick">切换</button>
    </div>
    <script type="text/javascript">
        var vm = new Vue({
            el: "#root",
            data: {
                show: true
            },
            methods: {
                handleClick: function() {
                    this.show = !this.show
                },
                //el指的是动画包裹的标签
                handleBeforeLeave: function(el) {
                    //console.log("handleBeforeLeave")
                    //在标签从隐藏点击显示的时候,变成了红色
                    el.style.color = "red"
                },
                //接收两个回调函数,el同上,done
                handleLeave: function(el, done) {
                    //之前显示是红色,两秒后变成绿色
                    setTimeout(()=>{
                        el.style.color = "green"
                    }, 2000)
                    setTimeout(()=>{
                        //但4秒才告诉vue结束(也就是2秒后变绿,又4-2秒后变黑)
                        done() //这个done很重要,执行完之后要告诉vue,已经执行完
                    }, 4000)
                },
                handleAfterLeave: function(el) {
                    setTimeout(()=>{
                        el.style.color = "black"
                    }, 2000)
                }
            }
        });
    </script>
</body>
</html>

使用velocity。下载地址:http://velocityjs.org/

<!DOCTYPE html>
<html>
<head>
    <title></title>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <link rel="stylesheet" type="text/css" href="./animate.css">
    <script src="./vue.js"></script>
    <script src="./velocity.js"></script>
    <!-- <script src="http://cdn.staticfile.org/vue/2.6.10/vue.common.dev.js"></script> -->
</head>
<body>
    <div id="root">
        //自定义class名字:
        <transition 
            name="fade" 
            @before-enter="handleBeforeEnter"
            @enter="handleEnter"
            @after-enter="handleAfterEnter"
        >
            <div v-show="show">hello</div>
        </transition>
        <button @click="handleClick">切换</button>
    </div>
    <script type="text/javascript">
        var vm = new Vue({
            el: "#root",
            data: {
                show: true
            },
            methods: {
                handleClick: function() {
                    this.show = !this.show
                },
                //el指的是动画包裹的标签
                handleBeforeEnter: function(el) {
                    el.style.opacity = 0;
                },
                //接收两个回调函数,el同上,done
                handleEnter: function(el, done) {
                    //注意,要加上complete: done告诉vue结束
                    Velocity(el, {opacity:1}, {duration: 1000, complete: done})
                },
                handleAfterEnter: function(el) {
                    alert("动画结束")
                }
            }
        });
    </script>
</body>
</html>


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