vue3+elementPlus：el-select选择器里添加按钮button

vue3+elementPlus：el-select选择器里添加按钮button，在el-select的option后面添加button

//html
<el-select class="selectIcon" value-key="id" v-model="store.state.HeaderfilterText" multiple collapse-tagscollapse-tags-tooltip placeholder="默认企业" style="width: 210px" @remove-tag="removeCheckTag"@change="checkChange" ><template #prefix><el-icon class="el-icon--left"><svg viewBox="0 0 1024 1024" data-v-029747aa=""><path fill="currentColor" d="M512 128 128 447.936V896h255.936V640H640v256h255.936V447.936z"></path></svg></el-icon></template><el-option v-for="item in store.state.HeaderLists" :key="item.id" :label="item.companyName":value="item" @click.native="changeGateway(item)" >                    </el-option><el-divider border-style="dashed" /><el-button style="float:right;margin: -26px 0px 0 0;" @click="getGateway">确定</el-button></el-select>

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vue3+elementPlus：element 面板的切换盒子的动态样式_意初的博客-CSDN博客vue3+elementPlus：element 面板的切换盒子的动态样式。style动态绑定一个函数，element 面板盒子样式，使用原生dom样式修改法https://blog.csdn.net/weixin_43928112/article/details/133680984