vue模板语法上
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tags:
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vue的插值案例
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>vue的插值案例</title> <script src="https://cdn.bootcss.com/vue/2.6.10/vue.js"></script> </head> <body> <div id="app"> <ul> <li> <h3>文本</h3> msg </li> <li> <h3>html字符串渲染</h3> <div v-html="htmlStr"></div> msg </li> <li> <h3>v-bind属性绑定指令</h3> <input type="text" value="22" /> <input type="text" v-bind:value="age" /> </li> <li> str.substr(0,6).toUpperCase() number + 1 ok ? ‘YES‘ : ‘NO‘ <li v-bind:id="‘list-‘ + id">我的Id是js动态生成的</li> </li> </ul> </div> </body> <script type="text/javascript"> new Vue( el: "#app", data: msg: ‘hello Vue!!‘, htmlStr: ‘<span style="color: red;">红了</span>‘, age: 23, str: ‘https://www.baidu.com‘, number: 6, ok: true, id:16, ) </script> </html>
vue的指令门案例
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>vue的指令门案例</title>
<script src="https://cdn.bootcss.com/vue/2.6.10/vue.js"></script>
</head>
<body>
<div id="app">
<ul>
<li>
<h3>分支</h3>
<div v-if="score>90">A</div>
<div v-else-if="score>80">B</div>
<div v-else-if="score>70">C</div>
<div v-else-if="score>60">D</div>
<div v-else="">E</div>
<input type="text" v-model="score" />
</li>
<li>
<h3>v-show指令</h3>
<div v-show="flag">出来吧1</div>
<!-- 分清楚v-if跟v-show的区别
v-if：控制的是标签是否打印
v-show：控制的是标签的样式
-->
<div v-if="flag">出来吧2</div>
</li>
<li>
<h3>v-for指令</h3>
<div v-for="item,index in data1">
item~index<br />
</div>
<hr />
<div v-for="item,index in data2">
item.id~item.name~index<br />
</div>
</li>
<li>
<h3>动态事件调用</h3>
<button v-on:[evname]="xxx">动态事件调用</button>
<input type="text" v-model="evname"/>
</li>
</ul>
</div>
</body>
<script type="text/javascript">
new Vue(
el: "#app",
data:
score:88,
flag:true,
data1:[1,3,6,9,14],
data2:[
id:1,
name:‘篮球‘,
,
id:2,
name:‘跳棋‘
,
id:3,
name:‘軍棋‘
],
evname:‘click‘
,
methods:
xxx()
console.log(‘xxx方法被调用‘)
)
</script>
</html>
vue的过滤器案例
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>vue的过滤器案例</title>
<script src="https://cdn.bootcss.com/vue/2.6.10/vue.js"></script>
</head>
<body>
<div id="app">
<ul>
<li>
<h3>局部过滤的注册</h3>
msg<br />
msg|a<br>
javaxl|a
</li>
<li>
<h3>局部过滤的串联</h3>
javaxl|a|b
</li>
<li>
<h3>全局过滤器的注册</h3>
javaxl|c
</li>
</ul>
</div>
</body>
<script type="text/javascript">
Vue.filter(‘c‘,function(v)
console.log(v);
return v.substring(10,16);
)
new Vue(
el: "#app",
data:
msg:‘https//www.baidu.com‘,
javaxl:‘https://www.javaxl.com‘
,
filters:
//a是过滤器的名字,后面的
‘a‘:function(v)
console.log(v);
return v.substring(0,16);
,
‘b‘:function(v)
console.log(v);
return v.substring(5,10);
)
</script>
</html>
vue的计算属性监听属性案例
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>vue的计算属性监听属性案例</title>
<script src="https://cdn.bootcss.com/vue/2.6.10/vue.js"></script>
</head>
<body>
<div id="app">
<ul>
<li>
<h3>计算属性</h3>
单价<input v-model="price"/>
数量<input v-model="num" />
总价:total
</li>
<li>
<h3>监听属性</h3>
km:<input v-model="km" />
m:<input v-model="m" />
</li>
</ul>
</div>
</body>
<script type="text/javascript">
new Vue(
el: "#app",
data:
price:16,
num:1,
km:1,
m:1000
,
computed:
total()
return parseInt(this.price)*parseInt(this.num);
,
watch:
km(v)
this.m=v*1000;
,
m(v)
this.km=v/1000;
)
</script>
</html>
今天就到这里了
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