html、css、javascript 学习随笔

模态对话框JS调用：

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<script>     function showDelete(){         $("#deleteModal").modal('show');     } </script>

flex页面布局

 

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<template>     <div>         <div class="row1">             <div class="company"></div>             <div class="pic"></div>             <div class="pic"></div>             <div class="pic"></div>         </div>         <div class="row2">             <div class="title">                 <div>手机</div>                 <div>查看更多</div>             </div>             <div class="pic-list">                 <div class="big"></div>                 <div class="right-list">                     <div class="group">                         <div class="phone"></div>                         <div class="phone"></div>                         <div class="phone"></div>                         <div class="phone"></div>                     </div>                     <div class="group">                         <div class="phone"></div>                         <div class="phone"></div>                         <div class="phone"></div>                         <div class="phone"></div>                     </div>                   </div>             </div>         </div>           <div class="course-list">             <div class="item"></div>             <div class="item"></div>             <div class="item"></div>             <div class="item"></div>             <div class="item"></div>           </div>     </div> </template>   <script>     export default {         name: "Mi"     } </script>   <style scoped>     .row1 {         display: flex;         flex-direction: row;         justify-content: space-between;     }       .row1 .company {         width: 210px;         height: 180px;         background-color: saddlebrown;     }       .row1 .pic {         width: 266px;         height: 180px;         background-color: cadetblue;     }       .row2 .title {         display: flex;         flex-direction: row;         justify-content: space-between;     }       .row2 .pic-list {         display: flex;         flex-direction: row;         justify-content: space-between;     }       .row2 .pic-list .big {         background-color: aquamarine;         height: 610px;         width: 210px;         margin-right: 20px;     }       .row2 .pic-list .right-list {         /*background-color: antiquewhite;*/         flex-grow: 1;     }       .row2 .pic-list .right-list .group {             display: flex;         flex-direction: row;         justify-content: space-between;         flex-wrap: wrap;     }       .row2 .pic-list .right-list .phone {         margin-bottom: 10px;         border: 1px solid red;         width: 200px;         height: 300px;     }       .course-list {         display: flex;         justify-content: space-between;         flex-wrap: wrap;     }       .course-list .item {         width: 24%;         height: 100px;         background-color: skyblue;         margin-top: 15px;     }           // 如果最后一个元素，是第3个，右边距=一个位置 + 所有空白位置/3（有三个空白位置）     .course-list .item:last-child:nth-child(4n - 1) {         margin-right: calc(24% + 4% / 3);     }       // 如果最后一个元素，是第2个，右边距=两个位置 + 所有空白位置/3*2（有三个空白位置）     .course-list .item:last-child:nth-child(4n - 2) {         margin-right: calc(48% + 8% / 3);     } </style>