vue el-table 多选框回填-Toy模板网

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主要代码:

    //选中列，所有列，表名
    toggleSelection(selectRows, totalRows, tablename) {
      this.$refs.table.clearSelection();
      if (selectRows.length > 0) {
        this.$nextTick(() => {
          selectRows.forEach(item => {
            totalRows.forEach(item1 => {
              if (item.userId == item1.userId) {
                this.$refs.table.toggleRowSelection(item1);
              }
            });
          });
        });
      }
    },

效果:

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html

    <!-- 添加或修改对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="880px" append-to-body :close-on-click-modal="false">
      <el-form ref="form" :model="form" :rules="rules" label-width="120px" class="add">
        <el-form-item label="分组名称" prop="nums">
          <el-input v-model="form.nums" placeholder="请输分组名称" />
        </el-form-item>

        <el-form-item label="人员" prop="names">
          <el-input v-model="form.names" type="textarea" style="width:500px" />
          <el-input v-model="form.userIds" type="textarea" style="width:500px" />
          <el-button type="primary" plain size="mini" @click="selectProject" style="margin-left:20px">人员选择</el-button>
        </el-form-item>

      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>



    <!-- 项目选择 -->
    <el-dialog title="选择人员" :visible.sync="projectOpen" width="1000px" :append-to-body="true" @close="cancelSelsectProject" :close-on-click-modal="false">
      <el-form :model="projectQueryParams" ref="projectQueryForm" :inline="true" v-show="showSearch" label-width="68px">

        <el-form-item label="部门" prop="deptId">
          <el-select v-model="projectQueryParams.deptId" filterable clearable placeholder="请选择部门">
            <el-option v-for="item in deptOptions" :key="item.id" :label="item.label" :value="item.id">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="姓名" prop="nickName">
          <el-input v-model="projectQueryParams.nickName" placeholder="姓名" clearable />
        </el-form-item>
        <el-form-item label="编制" prop="name">
          <el-select v-model="projectQueryParams.value" placeholder="请选择">
            <el-option v-for="item in options" :key="item.value" :label="item.label" :value="item.value">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" icon="el-icon-search" size="mini" @click="projectHandleQuery">搜索</el-button>
          <el-button icon="el-icon-refresh" size="mini" @click="projectResetQuery">重置</el-button>
        </el-form-item>
      </el-form>

      <el-table v-loading="loading" :data="projectList" ref="table" @row-click="projectSelectRow" @selection-change="handleSelectionChange" :row-key="row=>row.userId" :highlight-current-row="true" @cell-dblclick="dblclickRow(row)" border>
        <el-table-column type="selection" width="50" align="center" />
        <el-table-column label="部门" align="center" prop="dept.deptName" />
        <el-table-column label="姓名" align="center" prop="nickName" />
        <el-table-column label="编制" align="center" prop="types" />
      </el-table>

      <pagination v-show="projectTotal > 0" :total="projectTotal" :page.sync="projectQueryParams.pageNum" :limit.sync="projectQueryParams.pageSize" @pagination="getProjectList" />

      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitSelectProject">确 定</el-button>
        <el-button @click="cancelSelsectProject">取 消</el-button>
      </div>
    </el-dialog>

js文章来源地址https://www.toymoban.com/news/detail-802153.html

    // 多选框选中数据
    handleSelectionChange(selection) {
      this.projectRow = selection;
      this.ids = selection.map(item => item.userId);
      this.names = selection.map(item => item.nickName);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    
    //打开项目选择弹窗
    selectProject() {
      this.projectOpen = true;
      this.getProjectList();
    },

    /** 查询项目列表 */
    getProjectList() {
      this.loading = true;
      let rows = this.projectRow;
      listUser(this.projectQueryParams).then(response => {
        
        this.projectList = response.rows;
        this.projectTotal = response.total;
        
        let selectRows = this.projectRow;
        let totalRows = response.rows;
        
        this.loading = false;
        this.toggleSelection(selectRows, totalRows);
      });
    },

    //选中列，所有列，表名
    toggleSelection(selectRows, totalRows, tablename) {
      this.$refs.table.clearSelection();
      if (selectRows.length > 0) {
        this.$nextTick(() => {
          selectRows.forEach(item => {
            totalRows.forEach(item1 => {
              if (item.userId == item1.userId) {
                this.$refs.table.toggleRowSelection(item1);
              }
            });
          });
        });
      }
    },

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