var app = new Vue({el:"#app",            beforeCreate: function(){console.log('1-beforeCreate 初始化之前');//加载loading},created: function(){console.log('2-created 创建完成');//关闭loading
   },beforeMount: function(){console.log('3-beforeMount 挂载之前');},mounted: function(){console.log('4-mounted 被挂载之后');},beforeUpdate: function(){console.log('5-beforeUpdate 数据更新前');},updated: function(){console.log('6-updated 被更新之后');},activated: function(){console.log('7-activated');},deactivated: function(){console.log('8-deactivated');},beforeDestroy: function(){console.log('9-beforeDestroy 被销毁之前');},destroyed: function(){console.log('10-destroyed 销毁之后');}
});

<div id="app">{{ Name }}</div>//script
var app = new Vue({el:"#app",data: {Name : '小可爱'}
});

<p v-bind:id="pId">永恒的绽放</p>
//缩写，冒号
<p :id="pId">永恒的绽放</p>//script
var app = new Vue({el:"#app",data: {Name: "小可爱",pId: "wrn"}
});

{{ Num + 2 }}//成功
{{ Num < 5 ? '小于5' : '大于等于5'}}//成功
{{ Name.split('').join('|') }}//成功
{{ var a = 2 }}//失败
{{ if(Num>2) { return '可怕' } }}//失败//script
data: {Name: "小可爱",pId: "wrn",Num: 5
}

//一个过滤器
<p>{{ UserName | toUppercase }}</p>
//多个过滤器，将前一个过滤器的值传给下一个
<p>{{ UserName | toUppercase | addStr }}</p>
//多参数过滤器，默认参数为第一个值
<p>{{ UserName | manyPara('say', 'hello') }}</p>//script
filters: {  toUppercase: function (value) {  return value.toUpperCase();  },addStr: function (value) {  return value + " 老可爱了";   },manyPara: function (p1, p2, p3) {return p1+ ' ' + p2 + ' ' + p3;}
},

<button v-on:click="test(2, $event)">点击</button>
//缩写，@符
<button @click="test(2, $event)">点击</button>//script
methods:{test: function(a, event){    console.log(a);console.log(event);},
} 

{{ eYa }}
{{ act }}//script,可以直接当参数使用
computed:{eYa: function(){return this.Num + 5;},act: {get: function(){return this.Num;},set: function(newVaue){this.Num += newVaue;console.log(newVaue)}}
} ,

<input type="text" v-model="InpVal"/>
<p>input的值：<span>{{ InpVal }}</span></p>
<input type="radio" value="1" v-model="rdoVal"/>
<input type="radio" value="2" v-model="rdoVal"/>
<input type="radio" value="3" v-model="rdoVal"/>
<p>radio的值：<span>{{ rdoVal }}</span></p>
<input type="checkbox" value="stay" v-model="ckb1Val"/>
<p>单选checkbox的值：<span>{{ ckb1Val }}</span></p>
<input type="checkbox" value="stay" v-model="ckb2Val"/>
<input type="checkbox" value="with" v-model="ckb2Val"/>
<input type="checkbox" value="me" v-model="ckb2Val"/>
<p>复选checkbox的值：<span>{{ ckb2Val }}</span></p>
<select v-model="sel1Val"><option value="1">如果有天</option><option value="2">我走了</option><option value="3">你会像马达那样</option><option value="4">找我么</option>
</select>
<p>单选select的值：<span>{{ sel1Val }}</span></p>
<select v-model="sel2Val" multiple><option value="0">会一直找么</option><option value="1">会一直找到死么</option>
</select>
<p>复选select的值：<span>{{ sel2Val }}</span></p>

var app = new Vue({el:"#app",data: {InpVal : "早已沉入冰冷的谷底",rdoVal : 2,ckb1Val : true,ckb2Val : ["stay", "me"],sel1Val : 3,sel2Val : [0, 1],}
});

<input type="text" v-model.lazy="User.Name"/>{{User.Name}}
<input type="text" v-model.number="User.Size"/>{{User.Size}}
<input type="text" v-model.trim="User.Tel"/>{{User.Tel}}//script
data: {User:{Name: "老王",Size: "18",Tel: "110"}
}

<p :class="{'ClassA': isA, 'ClassB': !isA}">男孩抓紧领口</p>
<p class="ClassA" :class="BClass">有些感觉是说不出口</p>
<p :class="['AClass', 'BClass']">有些烦恼让人抓破了头</p>//页面
<p class="ClassB">男孩抓紧领口</p>
<p class="ClassA">有些感觉是说不出口</p>
<p class="AClass BClass">有些烦恼让人抓破了头</p>//script
data: {isA: false,AClass: "ClassA",BClassb: "ClassB"
},

<p :style="StyleInfo">不要哭，这些年都过来了</p>
<p :style="{color: StyleInfo.color}">对不起，盲目的我</p>
<p :style="[StyleInfo, StylePlus]">没有心，只像闲人</p>//页面
<p style="color: red; font-size: 16px;">不要哭，这些年都过来了</p>
<p style="color: red;">对不起，盲目的我</p>
<p style="color: red; font-size: 16px; border-bottom: 1px solid rgb(0, 0, 0);">没有心，只像闲人</p>//script
data: {StyleInfo:{color: "red",fontSize: "16px",},StylePlus:{borderBottom: "1px solid #000"}
},