vue+elementui实现下拉表格多选和搜索功能

<el-form :model="dataForm" :rules="dataRule" ref="dataForm" @keyup.enter.native="dataFormSubmit()"label-width="120px" id="selecTable" @click.native="closeup"><el-select  v-model="dataForm.processDefinitionId"  placeholder="请选择"  @change="handselect"  ref="select" @click.native="deptogglePanel($event)"  multiple  collapse-tags  size="medium">  <el-option   v-for="(item,index) in processDefinition"   :key="index"   :label="item.name"  :value="item.id">  </el-option> </el-select> <div v-if="showTree" class="treeDiv" ref="tableList">  <el-input placeholder="搜索"   v-model="ss"   @input="handinput"   size="medium">  </el-input>  <el-table   @select="handleSelectClick"   @row-click="handleRegionNodeClick"  @selection-change="handleChange"   ref="moviesTable" :data="memberList" border  :row-key="getRowKeys"   :cell-style="getCellStyle"   :header-cell-style="getHeaderCellStyle"  @select-all="selectAll">   <el-table-column    type="selection"    header-align="center"    align="center"    :reserve-selection="true"   width="50">   </el-table-column>   <el-table-column    v-for="(item, index) in Columns"    :key="index"    :prop="item.prop"   :label="item.label"    :show-overflow-tooltip="true">   </el-table-column> </el-table></div></el-form>

<script> export default {  data() {   return {    ss: '',    visible: false,    isDisabled: false,    dataForm: {     termName: '', //项目名称     processDefinitionId: []    },    dataRule: {     processDefinitionId: [{      required: true,      message: '请选择文件档案',      trigger: 'change'     }],     termName: [{      required: true,      message: '项目名称不能为空',      trigger: 'blur'     }],    },    arr: [],    processDefinition: [], //流程模板下拉框    memberList: [], // list    showTree: false,    Columns: [{      prop: 'number',      label: '文件编码'     },     {      prop: 'name',      label: '文件名称'     },     {      prop: 'typename',      label: '模板类型'     },     {      prop: 'efilename',      label: '文件类型'     },     {      prop: 'version',      label: '版本'     },    ],    getRowKeys(row) {     return row.id;    },    multipleSelection: [],    isShowSelect: true   }  },  created() {},  mounted() {  },  watch: {   isShowSelect(val) {    // 隐藏select自带的下拉框    this.$refs.select.blur();   },  },  methods: {   init() {    this.$nextTick(() => {     this.$refs['dataForm'].resetFields();     this.isDisabled = false;     this.arr = [];     this.multipleSelection = [];    }).then(() => {     //档案室文件下拉框     this.$axios.get("/term/getFileArchiveSelect").then((res) => {      console.log('档案室文件下拉框:', res);      if (res.data.code != 200) {       this.memberList = []      } else {       this.processDefinition = res.data.page.list       this.memberList = res.data.page.list//表格赋值      }     })     if (!this.dataForm.id) {      // 新增      // this.menuListTreeSetCurrentNode()     } else {      this.$axios.get("/term/getTermDeatil/" + this.dataForm.id).then((res) => {       console.log("项目详情:", res);       if (res.data.code != 200) {        // this.$message.error(res.data.msg)       } else {        let data = res.data.termResVO;        if (data.fileArchiveIds != '') {         this.dataForm.processDefinitionId = data.fileArchiveIds.split(',')        } else {         this.dataForm.processDefinitionId = []        }        this.multipleSelection = data.child;        this.rowMultipleChecked(this.multipleSelection);       }      })     }    }).catch((error) => {     console.log(error);    });   },   // 表格css   getCellStyle() {    return "text-align:center;"   },   getHeaderCellStyle() {    return "background: rgba(9, 37, 56,0.1);text-align:center; background: linear-gradient(to bottom,#ffffff 0,#eeeeee 100%);padding: 4px 5px;"   },   // 点击input 阻止冒泡 控制table显示隐藏   deptogglePanel(event) {    this.isShowSelect = !this.isShowSelect;//隐藏select本来的下拉框    event || (event = window.event)    event.stopPropagation ? event.stopPropagation() : (event.cancelBubble = true)    this.showTree ? this.tableHide() : this.tableShow()   },   //显示表格   tableShow() {    this.showTree = true    document.addEventListener('click', this.tableHideList, false)    this.rowMultipleChecked(this.multipleSelection);   },   //隐藏表格   tableHide() {    this.showTree = false    document.addEventListener('click', this.tableHideList, false)   },   tableHideList(e) {    if (this.$refs.tableList && !this.$refs.tableList.contains(e.target)) {     this.tableHide()    }   },   // 点击table节点   handleRegionNodeClick(data) {    this.showTree = true   },   // 多选   handleSelectClick(data) {    this.showTree = true   },   //全选   selectAll(data) {    this.showTree = true   },   // selection-change表格多选框变化事件   handleChange(data) {//表格中选中的行    this.arr = [];    for (let i in data) {     this.arr.push(data[i].id)    }    this.dataForm.processDefinitionId = this.arr;//select赋值    this.multipleSelection = data; //勾选放在multipleSelection数组中   },   //表格多选框选中判断   rowMultipleChecked(multipleSelection) {    console.log(multipleSelection)    if (multipleSelection != null) {     for (let j = 0; j < multipleSelection.length; j++) {      for (let i = 0; i < this.memberList.length; i++) {       if (multipleSelection[j].id == this.memberList[i].id) {//如果在后端传来的值中id存在则选中多选框        this.$nextTick(() => {//必写         if (this.$refs.moviesTable != undefined) {          this.$refs.moviesTable.toggleRowSelection(this.memberList[i], true);         }        })       }      }     }    }   },   //删除文件档案   handselect(value) {//select和表格相关联    let data = this.multipleSelection;    let arr = [];    if (value.length > 0) {//删除multipleSelection（选中的所有值）中的value     for (let j = 0; j < data.length; j++) {      if (value.indexOf(data[j].id) == -1) {       data.splice(j, 1)      }     }     this.multipleSelection = data    } else {     this.multipleSelection = [];     data = [];    }    for (let s in data) {     arr.push(data[s].id)    }    if (arr != null) {//需要判断那些值需要取消选中     for (let i = 0; i < this.memberList.length; i++) {      if (arr.indexOf(this.memberList[i].id) == -1) {       this.$refs.moviesTable.toggleRowSelection(this.memberList[i], false);      }     }    }   },   //搜索   handinput() {    console.log(this.ss);    this.tableShow()    this.$axios.get('/term/getFileArchiveSelect').then((res) => {     console.log(res);     if (res.data.code != 200) {} else {      this.processDefinition = res.data.page.list      this.memberList = res.data.page.list      console.log(this.memberList)      let resultData = this.memberList.filter(data => {       if (data.number.indexOf(this.ss) != -1 || data.name.indexOf(this.ss) != -1 ||        data.typename.indexOf(this.ss) != -1 || data.version.indexOf(this.ss) != -        1 || data.efilename.indexOf(this.ss) != -1) { //可继续增加判断条件        return true;       }      });      this.memberList = resultData;     }    })   },   // 表单提交   dataFormSubmit() {    this.$refs['dataForm'].validate((valid) => {     if (valid) {      let url = this.dataForm.id ? '/term/updateTerm' : '/term/addTerm'      if (this.dataForm.id == '') {       this.isDisabled = true;      }      this.dataForm.id = this.dataForm.id || undefined;      console.log(this.dataForm);     }    })   },  }, }</script>

<style> .applicaWord .el-upload-list__item .el-icon-close-tip {  display: none !important; } .treeDiv {  position: absolute;  top: 52px;  left: -1px;  z-index: 1000;  width: 100%;  overflow: auto;  max-height: 280px;  /* border: 1px solid #ccc; */  border-radius: 6px;  background: #FFFFFF; } .treeDiv::-webkit-scrollbar {  /*滚动条整体样式*/  width: 4px;  /*高宽分别对应横竖滚动条的尺寸*/  height: 4px; } .treeDiv::-webkit-scrollbar-thumb {  /*滚动条里面小方块*/  border-radius: 5px;  -webkit-box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);  background: rgba(0, 0, 0, 0.2); } .treeDiv::-webkit-scrollbar-track {  /*滚动条里面轨道*/  -webkit-box-shadow: inset 0 0 5px rgba(0, 0, 0, 0.2);  border-radius: 0;  background: rgba(0, 0, 0, 0.1); } .treeDiv .el-table {  font-size: 14px; } .treeDiv .el-table /deep/ td {  padding: 4px 0; } #selecTable .el-select {  width: 100%; } #selecTable .el-input {  width: 100%; } #kuan .el-form-item__content {  width: 80%; }</style>