feat：选择学生增加全选按钮

龚焕茏

2024-07-08 c19bb5ac1b4013aa700c0a658f20375be9703ea3

 src/views/exam/paper/edit.vue

@@ -9,9 +9,16 @@
        </el-select>
      </el-form-item>
      <el-form-item label="部门：" prop="deptId" required>
        <el-select v-model="form.deptId" collapse-tags @change="getSubject" placeholder="部门">
        <!-- <el-select v-model="form.deptId" collapse-tags @change="getSubject" placeholder="部门">
          <el-option v-for="item in depts" :key="item.id" :value="item.id" :label="item.name"></el-option>
        </el-select>
        </el-select> -->
        <el-cascader
          clearable
          @change="getSubject"
          v-model="form.deptId"
          :options="depts"
          :props="{ emitPath: false, value: 'id', label: 'name',  checkStrictly: true }"
          ></el-cascader>
      </el-form-item>
      <el-form-item label="课目：" prop="subjectId" required>
        <el-select ref="subjectIdRef" v-model="form.subjectId" :disabled="! form.deptId" placeholder="课目" multiple collapse-tags>
@@ -143,14 +150,21 @@
          </el-select>
        </el-form-item>
        <el-form-item label="部门：">
          <el-select v-model="student.deptIds" clearable multiple>
          <!-- <el-select v-model="student.deptIds" clearable multiple>
            <el-option v-for="item in depts" :key="item.id" :value="item.id" :label="item.name"></el-option>
          </el-select>
          </el-select> -->
          <el-cascader
          clearable
          v-model="student.deptIds"
          :options="depts"
          :props="{ emitPath: false, multiple: true, value: 'id', label: 'name',  checkStrictly: true }"
          ></el-cascader>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="selectStudent">查询</el-button>
        </el-form-item>
      </el-form>
      <el-button type="primary" @click="selectAllBoolean ? selectAll() : unselectAll()">{{ selectAllBoolean ? '全选' : '取消全选' }}</el-button>
      <el-table ref="multipleTable" v-loading="student.listLoading" :data="tableData" border fit highlight-current-row
        style="width: 100%" @selection-change="handleSelection" row-key="id">
        <el-table-column type="selection" :reserve-selection="true"></el-table-column>
@@ -181,6 +195,7 @@
  components: { Pagination, QuestionShow },
  data() {
    return {
      selectAllBoolean: true,
      tags: [],
      depts: [],
      studentDialog: false,
@@ -311,7 +326,22 @@
      this.student.listLoading = true;
      this.getStudent();
    },

    selectAll () {
      this.selectAllBoolean = false;
      let param = { ...this.student };
      param.pageSize = 999999;
      examPaperApi.selectStudent(param).then(res => {
        this.handleSelection(res.response.list);
        res.response.list.forEach(item => {
          this.$refs.multipleTable.toggleRowSelection(item, true);
        })
        this.getStudent();
      });
    },
    unselectAll () {
      this.selectAllBoolean = true;
      this.$refs.multipleTable.clearSelection();
    },
    getStudent() {
      this.student.listLoading = true;
      examPaperApi.selectStudent(this.student).then(res => {