machinecat520
/
zj-Exercise


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>天气案例</title>
    <!-- 引入vue -->
    <script type="text/javascript" src="../js/vue.js"></script>
</head>
<body>
    <!-- 准备好一个容器 -->
    <div id="root">
        <h2>今天天气很{{info}}</h2>
        <!-- 绑定事件的时候：@xxx="yyy" yyy可以写一些简单的语句 -->
        <button @click="isHot = !isHot">切换天气</button>
        <!-- <button @click="changeWeathers">切换天气</button> -->
    </div>
    
</body>
<script type="text/javascript">
    Vue.config.productionTip = false //阻止 vue 在启动时生成生产提示

    new Vue({
        el:'#root',
        data:{
            isHot:true
        },
        computed:{
            info(){
                return this.isHot ? '炎热' : '凉爽'
            }
        },
        methods: {
            // changeWeathers(){
            //     this.isHot = !this.isHot
            // }
        },
    })

</script>
</html>