一 .VUE使用 https://cn.vuejs.org/v2/guide/routing.html 1.Vue成员获取(挂载) !DOCTYPE htmlhtml lang="en"head meta charset="UTF-8" title智能社——http: // www.zhinengshe.com/title style /style script src="vue.js"/script script /s
一 .VUE使用 https://cn.vuejs.org/v2/guide/routing.html
1.Vue成员获取(挂载)
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>智能社——http://www.zhinengshe.com</title>
<style>
</style>
<script src="vue.js"></script>
<script>
</script>
</head>
<body>
<div id="box">
{{a}}
</div>
<script>
//vm.$el -> 就是元素
var vm=new Vue({
el:‘#box‘,
data:{
a:1
}
});
//alert(vm.$el);
vm.$el.style.background=‘red‘;
</script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>智能社——http://www.zhinengshe.com</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<style>
</style>
<script src="vue.js"></script>
<script>
</script>
</head>
<body>
<div id="box">
{{a}}
</div>
<script>
// vm.$data -> 就是data
var vm=new Vue({
el:‘#box‘,
data:{
a:1
}
});
console.log(vm.$data.a);
</script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>智能社——http://www.zhinengshe.com</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<style>
</style>
<script src="vue.js"></script>
<script>
</script>
</head>
<body>
<div id="box">
<span v-text="a"></span>
</div>
<script>
// vm.$mount -> 手动挂在vue程序
//angular.bootstrap
/*var vm=new Vue({
data:{
a:1
}
});
vm.$mount(‘#box‘); //手动挂载*/
var vm=new Vue({
data:{
a:1
}
}).$mount(‘#box‘);
</script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>智能社——http://www.zhinengshe.com</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<style>
</style>
<script src="vue.js"></script>
<script>
</script>
</head>
<body>
<div id="box">
<span v-text="a"></span>
<br>
{{aa}}
</div>
<script>
//vm.$options -> 获取自定义属性
var vm=new Vue({
aa:114444, //自定义属性,
show:function(){
alert(1);
},
data:{
a:"vm.$options -> 获取自定义属性"
}
}).$mount(‘#box‘);
vm.$options.show();
console.log(vm.$options.aa);
</script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>智能社——http://www.zhinengshe.com</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<style>
</style>
<script src="vue.js"></script>
<script>
</script>
</head>
<body>
<div id="box">
<span v-text="a"></span>
</div>
<script>
// vm.$log(); -> 查看现在数据的状态
var vm=new Vue({
data:{
a:33333333,
b:44444444444
}
}).$mount(‘#box‘);
console.log(vm.$log());
</script>
</body>
</html>
2. 计算属性computed
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>智能社——http://www.zhinengshe.com</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<style>
</style>
<script src="vue.js"></script>
<script>
</script>
</head>
<body>
<div id="box">
a => {{a}}
<br>
b => {{b}}
</div>
<script>
//* computed里面可以放置一些业务逻辑代码，一定记得return
var vm=new Vue({
el:‘#box‘,
data:{
a:1
},
computed:{
b:function(){
//业务逻辑代码
return 2;
}
}
});
console.log(vm.a);
</script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>智能社——http://www.zhinengshe.com</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<style>
</style>
<script src="vue.js"></script>
<script>
</script>
</head>
<body>
<div id="box">
a => {{a}}
<br>
b => {{b}}
</div>
<script>
//* computed里面可以放置一些业务逻辑代码，一定记得return
vax‘,
datar vm=new Vue({
el:‘#box:{
a:1
},
computed:{
b:function(){
//业务逻辑代码
return this.a+1;
}
}
});
document.onclick=function(){
vm.a=101;
};
</script>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>智能社——http://www.zhinengshe.com</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<style>
</style>
<script src="vue.js"></script>
<script>
</script>
</head>
<body>
<div id="box">
a => {{a}}
<br>
b => {{b}}
</div>
<script>
//* computed里面可以放置一些业务逻辑代码，一定记得return
var vm=new Vue({
el:‘#box‘,
data:{
a:1
},
computed:{
b:{
get:function(){
return this.a+2;
},
set:function(val){
this.a=val;
}
}
}
});
document.onclick=function(){
vm.b=45;
};
</script>
</body>
</html>
