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本篇文章為大家展示了怎么在Element中實(shí)現(xiàn)input樹型下拉框,內(nèi)容簡(jiǎn)明扼要并且容易理解,絕對(duì)能使你眼前一亮,通過這篇文章的詳細(xì)介紹希望你能有所收獲。
1.效果圖
1.1 input聚焦時(shí)顯示下拉框,再次點(diǎn)擊下拉框或點(diǎn)擊其他處下拉框消失,主要靠z-index添加遮罩實(shí)現(xiàn)
1.2 實(shí)時(shí)過濾效果
2.代碼 ( vue.js + element-ui )
2.1 html
<el-form :model="form" size="mini" > <el-row> <el-col :span='12'> <el-form-item label="會(huì)計(jì)主管" > <el-input placeholder="請(qǐng)選擇會(huì)計(jì)主管" class="width-220 selectTree-input" v-model="form.MANAGER_NAME" icon="caret-bottom" auto-complete="off" @focus="focus($event)" @click.native="changeSelectTree()"> </el-input> <div v-show="isShowSelect" @click="cancelManager"> </div> <el-tree v-show="isShowSelect" empty-text="暫無數(shù)據(jù)" :highlight-current = true :default-expand-all = false :expand-on-click-node="false" :filter-node-method="filterNode" :data="userlist" node-key="chr_id" :props="defaultProps" @node-click="selectManage" class="objectTree" ref="selectTree"> </el-tree> </el-form-item> </el-col> <el-col :span='12'> </el-col> </el-row> </el-form>
2.2 JS
import 'babel-polyfill'//兼容語法 async focus export default { data(){ return { form: { MANAGER_NAME: '', MANAGER_ID: '', }, isShowSelect: false,// 是否顯示會(huì)計(jì)主管的樹狀選擇器 userlist: [],// 會(huì)計(jì)主管的選項(xiàng)數(shù)據(jù) defaultProps: { // 會(huì)計(jì)主管 樹狀選擇器 的選項(xiàng)的配置參數(shù) children: 'children', label: 'code_name', }, } }, watch: { form: {//form.MANAGER_NAME變化時(shí)過濾節(jié)點(diǎn) handler(form){ if(this.isShowSelect){ this.$refs.selectTree.filter(form.MANAGER_NAME); } }, deep: true,//深度監(jiān)聽,重要 }, }, methods:{ //下拉框的顯示與隱藏 changeSelectTree(){ this.isShowSelect = !this.isShowSelect; }, //input獲取焦點(diǎn)事件,初始化樹 async focus(e) { let vm = this; vm.$refs.selectTree.filter(""); vm.$refs.selectTree.setCurrentNode([]); }, // 選擇器的樹節(jié)點(diǎn) filterNode(value, data) { if (!value) return true; if(!data.code_name){ data.code_name = data.chr_code + " " + data.chr_name } return data.code_name.indexOf(value) !== -1; }, //選擇會(huì)計(jì)主管 selectManage(data, Node) { this.form.MANAGER_NAME = data.code_name;//input賦值 this.form.MANAGER_ID = data.chr_id; this.isShowSelect = false;// 關(guān)閉選擇器 }, //點(diǎn)擊遮罩層,取消選擇會(huì)計(jì)主管 cancelManager(){ this.isShowSelect = false }, } }
2.3 css
<style lang="scss"> /*下拉框選擇樹*/ .objectTree { position: absolute; overflow: auto; z-index: 100; width: 110%; height: 200px; border: 1px solid #ddd; line-height: normal; z-index: 204; } .selectTree-input { input:focus { z-index: 204;//103 } } .width-220{ width: 220px } </style>
2.4 參考數(shù)據(jù)
//示例下拉框數(shù)據(jù) this.userList = [{ chr_code: "001001051", chr_id: "9853", chr_name: "張海舒", is_leaf: "1", user_type: "0", }]
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