Vue键盘事件

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键盘事件

<!DOCTYPE html><html><head>    <meta charset="utf-8">    <title></title>    <script src="../js/Vue.js" charset="utf-8"></script>    <script type="text/javascript">        window.onload = function () {            var vm = new Vue({                el: '#box',                data: {},                methods: {                    show: function (ev) {                        alert(ev.keyCode)                    }                }            });        }    </script></head><body><div id="box">    <input type="text" @keydown="show($event)"></div></body></html>

keyCode

<!DOCTYPE html><html><head>    <meta charset="utf-8">    <title></title>    <script src="../js/Vue.js" charset="utf-8"></script>    <script type="text/javascript">        window.onload = function () {            var vm = new Vue({                el: '#box',                data: {},                methods: {                    show: function (ev) {                        if(ev.keyCode==13){                            alert('你按了回车键！')                        }                    }                }            });        }    </script></head><body><div id="box">    <input type="text" @keyup="show($event)"></div></body></html>

keyUp

<!DOCTYPE html><html><head>    <meta charset="utf-8">    <title></title>    <script src="../js/Vue.js" charset="utf-8"></script>    <script type="text/javascript">        window.onload = function () {            var vm = new Vue({                el: '#box',                data: {},                methods: {                    show: function (ev) {                        alert(ev.keyCode)                    }                }            });        }    </script></head><body><div id="box">    <input type="text" @keyup="show($event)"></div></body></html>

键盘事件——简写方式

<!DOCTYPE html><html><head>    <meta charset="utf-8">    <title></title>    <script src="../js/Vue.js" charset="utf-8"></script>    <script type="text/javascript">        window.onload = function () {            var vm = new Vue({                el: '#box',                data: {},                methods: {                    show: function () {                        alert('你按了回车！');                    },                    show2: function () {                        alert('你按了回车！');                    },                    show3: function () {                        alert('你按了上键！');                    },                    show4: function () {                        alert('你按了下键！');                    },                    show5: function () {                        alert('你按了左键！');                    },                    show6: function () {                        alert('你按了右键！');                    }                }            });        }    </script></head><body><div id="box">    <input type="text" @keyup.13="show()">    <hr>    <input type="text" @keyup.enter="show2()">    <hr>    <input type="text" @keyup.up="show3()">    <hr>    <input type="text" @keyup.down="show4()">    <hr>    <input type="text" @keyup.left="show5()">    <hr>    <input type="text" @keyup.right="show6()">    <hr></div></body></html>

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