Vue框架_class和style的绑定

<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>Vue框架学习</title>
		<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
		<script src="../js/jquery-3.3.1.js" type="text/javascript" charset="utf-8"></script>
		<script src="../js/bootstrap.js"></script>
		<link rel="stylesheet" href="../css/bootstrap.css" />
		<style type="text/css">
			.class1{
				font-size: 20px;
			}
			.class2{
				background: yellow;
				
			}
		</style>
	</head>
	<body>
		
		<div id="div1">
			<!--使用变量,三目表达式通过操纵变量来动态绑定class-->
			<p class="default" v-bind:class="isShow?'class1':'class2'">三目表达式_使用class1或class2</p>
			
			<!--v-bind:class="{class1,class2:isShow}"不能这样同时绑定多个class,要分开-->			
			<!--对象方式绑定-->
			<p class="default" v-bind:class="{class1:isShow,class2:isShow}">对象方式绑定_使用class1和class2</p>		
			
			<!--数组方式绑定多个class-->
			<p class="default" v-bind:class="[whichClass,'class2']">数组方式绑定_使用class1和class2</p>
			
			<button v-on:click="button">按钮改变isShow的值</button>
			
			<hr />
			<p v-bind:style="{background:color}">style样式</p>
			
			<p v-bind:style="obj1">style样式_对象语法</p>
			
			<p v-bind:style="[obj1,obj2]">style样式_数组语法</p>
			
		</div>
		
		<script>
			var vm=new Vue({				
				el:"#div1",//绑定id对象				
				data:{//定义属性对象
					isShow:false,
					whichClass:"class1",
					color:"green",
					obj1:{background:"gray",fontSize:"20px"},//font-size改成fontSize
					obj2:{color:"blue"}
				},					
				methods:{//定义函数,可传参					
					button:function(){
						this.isShow=!this.isShow;
					}
				},				
			});
			
		</script>
	</body>
</html>

猜你喜欢

转载自blog.csdn.net/CWH0908/article/details/86353448