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Css 如何在reactjs上重新排序div_Css_Reactjs - Fatal编程技术网

Css 如何在reactjs上重新排序div

Css 如何在reactjs上重新排序div,css,reactjs,Css,Reactjs,如何以css或其他方式重新排列div 这样,它将显示在1列中 <div className='allitem'> <div className='item1'> <h3>test1</h3> </div> <div className='item2'

如何以css或其他方式重新排列div
这样,它将显示在1列中

<div className='allitem'>  
                <div className='item1'>
                    <h3>test1</h3>                     
                </div>

                <div className='item2'>
                    <h3>test2</h3>           
                </div>

                <div className='item3'>
                    <h3>test3</h3>             
                </div>
                
                <div className='item4'>
                    <h3>test4</h3>             
                </div>
            </div>
        </div>

您可以在外部父级
div
上使用网格布局。最简单的布局是定义两列

.allitem {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
函数应用程序(){
返回(
测试1
测试2
测试3
测试4
);
}
const rootElement=document.getElementById(“根”);
ReactDOM.render(
,
根元素
);
.allitem{
显示:网格;
网格模板柱:1fr 1fr;
}

.allitem {
  display: grid;
  grid-template-columns: 1fr 1fr;
}