今天分享一个vue项目中在不同列表拖拽设置选项的功能,这个功能也是在做项目中遇到的,先说下这个功能的要点(参考下图),有2个列表,左侧列表展示已选,右侧列表展示未选,通过拖拽进行设置,已选的选项不能超过4个,超过的话自动将拖拽之前的最后一项清除到右侧,且如果从已选往未选里拖的时候,右侧显示垃圾桶的提示(如图)。
拖拽功能图片:
垃圾桶显示图:
首先讲讲vue-draggable的使用
安装vue-draggable:
npm install vuedraggable
在使用插件的组件内引入vue-draggable并注册组件:
import draggable from "vuedraggable"
components: {
draggable
}
然后在我们需要拖拽的列表中使用:
{{item.name}}
下面是拖拽功能组件的完整代码:
- 当前选项
- 从右侧拖拽添加
{{item.name}} 全部选项
{{item.name}} 恢复默认设置 保存 body, ul, dl, dt, dd, li, h1, h3{ margin: 0; padding: 0; } ul, ol, li { list-style: none; } .theme-setting { /deep/.el-dialog { height: 476px; border-radius: 6px; .el-dialog__header { height: 55px; line-height: 56px; padding: 0; border-bottom: 1px solid rgba(13,20,30, 0.1); .el-dialog__title { height:21px; font-size:16px; font-family:MicrosoftYaHei-Bold,MicrosoftYaHei; font-weight:bold; color:rgba(13,20,30,1); line-height:21px; } .el-dialog__headerbtn { margin-top: -4px; } } .el-dialog__body { position: relative; display: flex; height: 331px; padding: 0; border-bottom: 1px solid rgba(13,20,30, 0.1); .theme-left { width: 218px; margin-left: 24px; border-right: 1px solid rgba(13,20,30, 0.1); .theme-title { display: flex; margin-top: 24px; .title { height:19px; margin-right: 4px; font-size:14px; font-family:MicrosoftYaHei-Bold,MicrosoftYaHei; font-weight:bold; color:rgba(13,20,30,1); line-height:19px; } .des { height:16px; font-size:12px; font-family:MicrosoftYaHei; color:rgba(13,20,30,0.6); line-height:19px; } } .selected-list { height: 240px; margin-top: 24px; overflow: hidden; .selected-theme { width:160px; height:48px; line-height:48px; text-align: center; margin-bottom: 16px; cursor: pointer; background:linear-gradient(180deg,rgba(43,46,83,1) 0%,rgba(108,116,150,1) 100%); border-radius:6px; font-size:14px; font-family:MicrosoftYaHei; color:rgba(255,255,255,1); } } } .theme-right { padding: 0 24px; .theme-right-title { padding-top: 24px; height:19px; font-size:14px; font-family:MicrosoftYaHei-Bold,MicrosoftYaHei; font-weight:bold; color:rgba(13,20,30,0.4); line-height:19px; } .theme-right-list { width: 357px; height: 240px; overflow: scroll; margin-top: 24px; .theme-right-item { width: 160px; height:48px; line-height:48px; float: left; margin-right: 16px; margin-bottom: 16px; background:rgba(247,248,252,1); border-radius:6px; font-size:14px; font-family:MicrosoftYaHei; color:rgba(13,20,30,0.4); text-align: center; cursor: pointer; } } .theme-right-list::before, .theme-right-list::after { content: ""; display: table; } .theme-right-list::after { clear: both; } } .drag-drop-del { position: absolute; right: 1px; top: 0; width: 404px; height: 331px; display: flex; justify-content: center; align-items: center; background-image: url('../../src/assets/imgs/drapDrop/drag_drop.png'); img { width: 96px; height: 96px; } } } .el-dialog__footer { height: 88px; padding: 24px 24px 0; .dialog-footer { .el-button+.el-button { margin-left: 16px; } } } } }
总结
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