这两天学习了Vue.js 感觉组件这个地方知识点挺多的，而且很重要，所以，今天添加一点小笔记,学习一下Vue键盘事件
键盘事件
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> <script src="https://www.jb51.net/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> <input type="text" @keydown="show($event)"> </div> </body> </html>
keyCode
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> <script src="https://www.jb51.net/js/Vue.js" charset="utf-8"></script> <script type="text/javascript"> window.onload = function () { var vm = new Vue({ el: '#box', data: {}, methods: { show: function (ev) { if(ev.keyCode==13){ alert('你按了回车键！') } } } }); } </script> </head> <body> <div> <input type="text" @keyup="show($event)"> </div> </body> </html>
keyUp
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> <script src="https://www.jb51.net/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> <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="https://www.jb51.net/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> <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>