1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="UTF-8"> 5 <title>Vue方法與事件</title> 6 <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" /> 7 <script src="../js/vue.js" type="text/javascript" charset="utf-8"></script> 8 </head> 9 <body> 10 <div id="test"> 11 <button @click="sayHi">點擊我</button> <!--這裏使用@--> 12 </div> 13 <script type="text/javascript"> 14 var myVue = new Vue({ 15 el: '#test', 16 methods: { //這裏使用methods 17 sayHi: function () { 18 alert('我被點擊了') 19 } 20 } 21 }) 22 </script> 23 </body> 24 </html>
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="UTF-8"> 5 <title>Vue方法與事件</title> 6 <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" /> 7 <script src="../js/vue.js" type="text/javascript" charset="utf-8"></script> 8 </head> 9 <body> 10 <div id="test"> 11 <button @click="sayHi('你好')">說你好</button> <!--這裏使用@--> 12 <button @click="sayHi('我被點擊了')">說我被點擊了</button> <!--這裏使用@--> 13 </div> 14 <script type="text/javascript"> 15 var myVue = new Vue({ 16 el: '#test', 17 methods: { //這裏使用methods 18 sayHi: function (message) { 19 alert(message) 20 } 21 } 22 }) 23 </script> 24 </body> 25 </html>
注意用$event獲取javascript
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="UTF-8"> 5 <title>Vue方法與事件</title> 6 <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" /> 7 <script src="../js/vue.js" type="text/javascript" charset="utf-8"></script> 8 </head> 9 <body> 10 <div id="test"> 11 <button @click="changeColor('你好',$event)">點擊我</button> <!--這裏使用@--> 12 <div style="height: 100px;width: 100px;background-color: red;" @mouseover="over('鼠標從我上面滑過',$event)"> 13 鼠標從我上面滑過試試 14 </div> 15 </div> 16 <script type="text/javascript"> 17 var myVue = new Vue({ 18 el: '#test', 19 methods: { //這裏使用methods 20 changeColor: function (message, event) { 21 alert(message+event); //彈出我被點擊了,事件是[object MouseEvent] 22 }, 23 over :function (message, event) { 24 alert(message+event); //彈出鼠標從我上面滑過,事件是[object MouseEvent] 25 } 26 } 27 }) 28 </script> 29 </body> 30 </html>
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>Vue方法與事件</title> <meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" /> <script src="../js/vue.js" type="text/javascript" charset="utf-8"></script> </head> <body> <div id="test"> <button @click.stop="sayHi('你好')">說你好</button> <!-- 阻止單擊事件冒泡 --> <button @click.prevent="sayHi('你好')">說你好</button> <!-- 提交事件再也不重載頁面 --> <button @click.stop.prevent="sayHi('你好')">說你好</button> <!-- 阻止單擊事件冒泡和提交事件再也不重載頁面 --> <button @click.capture="sayHi('你好')">說你好</button> <!-- 添加事件偵聽器時使用 capture 模式 --> <button @click.self="sayHi('你好')">說你好</button> <!-- 只當事件在該元素自己(而不是子元素)觸發時觸發回調 --> <div @keyup.13="sayHi('你好')">說你好</div> <!-- 只有在 keyCode 是 13 時調用 vm.submit() --> </div> <script type="text/javascript"> var myVue = new Vue({ el: '#test', methods: { //這裏使用methods sayHi: function (message) { alert(message) } } }) </script> </body> </html>
v-on:click/mouseover......
簡寫的: @click="" 推薦html
一、事件對象:
@click="show($event)"
二、事件冒泡:
阻止冒泡:
a). ev.cancelBubble=true;
b). @click.stop 推薦
三、默認行爲(默認事件):
阻止默認行爲:
a). ev.preventDefault();
b). @contextmenu.prevent 推薦
四、鍵盤:
@keydown $event ev.keyCode
@keyupvue
經常使用鍵:
回車
a). @keyup.13
b). @keyup.enter
上、下、左、右
@keyup/keydown.left // 左
@keyup/keydown.right // 右
@keyup/keydown.up // 上
@keyup/keydown.down // 下java