<div id="demo"> <h2 v-if="ok">表白成功</h2> <h2 v-else>表白失敗</h2> <h2 v-show="ok">求婚成功</h2> <h2 v-show="!ok">求婚失敗</h2> <br> <button @click="ok=!ok">切換</button> </div> <script type="text/javascript" src="../js/vue.js"></script> <script type="text/javascript"> var vm = new Vue({ el: '#demo', data: { ok: false } }) </script>