<style>.base{width: 100px;height: 100px;}.a1{background-color: green;}.a2{border-radius: 20px;}</style><divid="root"><!-- 字符串--><divclass="base":class="classStr"></div><!-- 数组--><divclass="base":class="classArr"></div><!-- 对象--><divclass="base":class="classObj"></div></div><scripttype="text/javascript">const vm =newVue({el:"#root",data(){return{classStr:'a1',classArr:['a1','a2'],classObj:{a1:false,a2:true}}}})</script>
style绑定样式
<divid="root"><div:style="classObj">style绑定样式</div></div><scripttype="text/javascript">const vm =newVue({el:"#root",data(){return{classObj:{// 单个单词color:'red',// 多个单词小驼峰backgroundColor:'#666'}}}})</script>