<div id="box">
        <input type="button" value="http://www.mamicode.com/按钮" @click="toggle">
        <transition name="fade">
        	<div id="div1" v-show="isShow"></div>
        </transition>
    </div>

	<script src=http://www.mamicode.com/‘vue.min.js‘></script>"text/javascript">
        var vm = new Vue({
            el:‘#box‘,
            data:{
                isShow:false
            },
            methods:{
                toggle(){
                    this.isShow = !this.isShow;
                }
            }
        });
    </script>

.fade-enter-active, .fade-leave-active {
  transition: opacity 10.5s
}
.fade-enter, .fade-leave-active {
  opacity: 0
}

#div1{width: 500px;height: 500px;background: red;}