div模拟select/option解决兼容性问题及增加可拓展性

本文介绍了一种解决使用HTML Select与Option标签时遇到的问题的方法,包括无法控制样式如line-height,以及在IE8及以下版本浏览器中的兼容性问题。通过自定义的HTML结构和CSS样式,实现了一种模拟Select和Option下拉列表的功能,同时提供了JavaScript的交互逻辑。此方法适用于需要自定义Select组件且需考虑老版浏览器兼容性的场景。

个人博客:

http://mcchen.club


 

想到做这个模拟的原因是之前使用select>option标签的时候发现没有办法操控option的很多样式,比如line-height等,还会由此导致在IE8及以下版本浏览器中的各种问题。

这个模拟思路很简单,也很清晰,我就直接上代码了

html:

第一层div是模拟select标签,第二层div是模拟option下拉列表

1 <div>
2     <div class="sim-select"></div>
3 </div>
4 <div class="sim-downList">
5 
6 </div>

css:

这个按需求可自己随意扩展随意调

1 .sim-select { height: 30px; line-height: 30px; border: solid 2px #f0f0f0;}
2 .sim-downList {line-height: 30px; border: solid 1px #d9d9d9; display: none; }
3 .sim-option {
4   &:hover { background-color: red; cursor: pointer;}
5 }

js:

Ps:记得引用jq库

我是自己模拟的types数据,可以添加form,拓展为获取后台数据等。

 1 var types = [{name:"选择11111"},{name:"选择222222"},{name:"选择333333"},{name:"选择4444444"},{name:"选择55555"}];
 2         var $select = $(".sim-select"),$downList = $(".sim-downList"), i,$length = types.length;
 3         for(i=0;i<$length;i++) {
 4             $downList.append("<div class='sim-option'>" + types[i].name + "</div>")
 5         }
 6         $select.text(types[0].name);
 7         $select.click(function () {
 8 
 9             if($downList.is(":visible")){
10                 $downList.hide();
11             }
12             else {
13                 $downList.show();
14             }
15         });
16         $(".sim-option").click(function () {
17             var _this = this;
18             var text = _this.textContent;
19             $select.text(text);
20         })

具体效果:

 

以上纯属本人的拙见,恳请指出不足之处,共勉。^_^

转载于:https://www.cnblogs.com/McChen/p/4729529.html

<template> <div class="label-container"> <div style="border: 1px solid #d9d9d9"></div> <div class="header"> <div class="biaoqian">客户特征标签</div> <el-popover placement="right" popper-class="group-popover" width="287" trigger="click"> <div class="full-label-section"> <span>业务需求</span> <div class="full-tag-group"> <el-popover v-for="(item, index) in requireList" :key="index" placement="top-start" popper-class="grid-popover" trigger="hover" :content="item.labelName" v-if="shouldShowPopover(item)" > <el-tag slot="reference" size="mini" class="truncate-tag" >{{ item.labelName }}</el-tag> </el-popover> <el-tag v-for="(item, index) in requireList" v-if="!shouldShowPopover(item)" :key="index" size="mini" >{{ item.labelName }}</el-tag> </div> </div> <div class="full-label-section"> <span>业务特征</span> <div class="full-tag-group"> <el-popover v-for="(item, index) in featureList" :key="index" placement="top-start" popper-class="grid-popover" trigger="hover" :content="item.labelName" v-if="shouldShowPopover(item)" > <el-tag slot="reference" type="" size="mini" class="truncate-tag" >{{ item.labelName }}</el-tag> </el-popover> <el-tag v-for="(item, index) in featureList" v-if="!shouldShowPopover(item)" :key="index" type="success" size="mini" >{{ item.labelName }}</el-tag> </div> </div> <div class="full-label-section full-label-sections"> <span>拓展任务</span> <div class="full-tag-group"> <el-popover v-for="(item, index) in taskList" :key="index" placement="top-start" popper-class="grid-popover" trigger="hover" :content="item.labelName" v-if="shouldShowPopover(item)" > <el-tag slot="reference" type="danger" size="mini" class="truncate-tag" >{{ item.labelName }}</el-tag> </el-popover> <el-tag v-for="(item, index) in taskList" v-if="!shouldShowPopover(item)" :key="index" type="danger" size="mini" >{{ item.labelName }}</el-tag> </div> </div> <el-button slot="reference" class="btn">更多</el-button> </el-popover> </div> <!-- 客户特征部分标签 --> <div style="padding: 10px; background: #fafafa"> <div class="label-section"> <span>业务需求</span> <div class="tag-group"> <el-popover v-for="(item, index) in showRequireList" :key="index" placement="top-start" popper-class="grid-popover" trigger="hover" :content="item.labelName" v-if="shouldShowPopover(item)" > <el-tag slot="reference" size="mini" class="truncate-tag" >{{ item.labelName }}</el-tag> </el-popover> <el-tag v-for="(item, index) in showRequireList" v-if="!shouldShowPopover(item)" :key="index" size="mini" >{{ item.labelName }}</el-tag> </div> </div> <div class="label-section"> <span>业务特征</span> <div class="tag-group"> <el-popover v-for="(item, index) in showFeatureList" :key="index" placement="top-start" popper-class="grid-popover" trigger="hover" :content="item.labelName" v-if="shouldShowPopover(item)" > <el-tag slot="reference" type="success" size="mini" class="truncate-tag" >{{ item.labelName }}</el-tag> </el-popover> <el-tag v-for="(item, index) in showFeatureList" v-if="!shouldShowPopover(item)" :key="index" type="success" size="mini" >{{ item.labelName }}</el-tag> </div> </div> <div class="label-section"> <span>拓展任务</span> <div class="tag-group"> <el-popover v-for="(item, index) in showTaskList" :key="index" placement="top-start" popper-class="grid-popover" trigger="hover" :content="item.labelName" v-if="shouldShowPopover(item)" > <el-tag slot="reference" type="danger" size="mini" class="truncate-tag" >{{ item.labelName }}</el-tag> </el-popover> <el-tag v-for="(item, index) in showTaskList" v-if="!shouldShowPopover(item)" :key="index" type="danger" size="mini" >{{ item.labelName }}</el-tag> </div> </div> </div> </div> </template> <script> import { Tag, Button, Popover,Tooltip } from 'element-ui'; export default { name: 'groupLabelBox', components: { [Tag.name]: Tag, [Button.name]: Button, [Popover.name]: Popover, [Tooltip.name]: Tooltip, }, props: { requireList: { type: Array, required: true, }, featureList: { type: Array, required: true, }, taskList: { type: Array, required: true, }, }, data() { return { dialogVisible: false, }; }, computed: { showRequireList() { return this.requireList.slice(0, 2); }, showFeatureList() { return this.featureList.slice(0, 2); }, showTaskList() { return this.taskList.slice(0, 2); }, }, methods: { shouldShowPopover(item) { return item?.labelName?.length >= 7 }, }, }; </script> <style lang="less" scoped> .group-popover { padding: 30px !important; /* 标题样式 */ .full-label-section{ padding-bottom: 12px; > span { display: block; margin-bottom: 10px; width: 56px; height: 14px; font-family: PingFangSC, PingFang SC, sans-serif; font-weight: 400; font-size: 14px; color: #888888; line-height: 14px; text-align: left; font-style: normal; } } /* 标签组样式 */ .full-tag-group { display: flex; flex-wrap: wrap; justify-content: flex-start; gap: 6px; .el-tag { margin: 0 !important; border-radius: 4px; font-size: 12px; padding: 0 8px; height: 24px; line-height: 24px; } } .full-label-sections { padding-bottom: 0 !important; } } .truncate-tag { display: inline-block; max-width: 112px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; vertical-align: middle; cursor: default; } .truncate-tag:hover:after { position: absolute; top: 30px; left: 10px; content: attr(data-title); color: #333333; } .grid-popover { min-width: 54px; text-align: center; padding: 10px 10px; } .label-container { position: relative; padding: 0px 14px 7px 16px; } .header { display: flex; justify-content: space-between; align-items: center; margin: 10px 0px; .biaoqian { width: 84px; height: 14px; font-family: PingFangSC, PingFang SC, sans-serif; font-weight: 400; font-size: 14px; color: #888888; line-height: 14px; text-align: left; font-style: normal; } .btn { width: 33px; height: 17px; padding: 0 4px; background: #ffffff; border-radius: 2px; border: 1px solid #cbcbcb; font-weight: 400; font-size: 12px; color: #333333; line-height: 17px; font-style: normal; > span { display: block; width: fit-content; } } } .label-section { > span { display: block; margin-bottom: 5px; width: 48px; height: 14px; font-family: PingFangSC, PingFang SC, sans-serif; font-weight: 400; font-size: 12px; color: #333333; line-height: 14px; text-align: left; font-style: normal; } } .tag-group { display: flex; gap: 10px; flex-wrap: wrap; } .label-section:not(:last-child) { margin-bottom: 10px; } </style> 优化这段代码
最新发布
07-13
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