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