<template>
  <div class="app-container">
    <!-- 操作工具栏 -->
    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="el-icon-plus" size="mini" @click="openForm(undefined)"
                   v-hasPermi="['infra:student:create']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
            type="danger"
            plain
            icon="el-icon-delete"
            size="mini"
            :disabled="isEmpty(checkedIds)"
            @click="handleDeleteBatch"
            v-hasPermi="['infra:student:delete']"
        >
          批量删除
        </el-button>
      </el-col>
    </el-row>
            <el-table
          v-loading="loading"
          :data="list"
          :stripe="true"
          :show-overflow-tooltip="true"
          @selection-change="handleRowCheckboxChange"
      >
            <el-table-column type="selection" width="55" />
                <el-table-column label="编号" align="center" prop="id" />
                 <el-table-column label="名字" align="center" prop="name" />
                <el-table-column label="简介" align="center" prop="description" />
                <el-table-column label="出生日期" align="center" prop="birthday" width="180">
                  <template v-slot="scope">
                    <span>{{ parseTime(scope.row.birthday) }}</span>
                  </template>
                </el-table-column>
                <el-table-column label="性别" align="center" prop="sex">
                  <template v-slot="scope">
                    <dict-tag :type="DICT_TYPE.SYSTEM_USER_SEX" :value="scope.row.sex" />
                  </template>
                </el-table-column>
                <el-table-column label="是否有效" align="center" prop="enabled">
                  <template v-slot="scope">
                    <dict-tag :type="DICT_TYPE.INFRA_BOOLEAN_STRING" :value="scope.row.enabled" />
                  </template>
                </el-table-column>
                <el-table-column label="头像" align="center" prop="avatar" />
                <el-table-column label="附件" align="center" prop="video" />
                <el-table-column label="备注" align="center" prop="memo" />
                <el-table-column label="创建时间" align="center" prop="createTime" width="180">
                  <template v-slot="scope">
                    <span>{{ parseTime(scope.row.createTime) }}</span>
                  </template>
                </el-table-column>
    <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
      <template v-slot="scope">
        <el-button size="mini" type="text" icon="el-icon-edit" @click="openForm(scope.row.id)"
                   v-hasPermi="['infra:student:update']">修改</el-button>
        <el-button size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)"
                   v-hasPermi="['infra:student:delete']">删除</el-button>
      </template>
    </el-table-column>
  </el-table>
    <!-- 分页组件 -->
    <pagination v-show="total > 0" :total="total" :page.sync="queryParams.pageNo" :limit.sync="queryParams.pageSize"
                @pagination="getList"/>
  <!-- 对话框(添加 / 修改) -->
  <StudentTeacherForm ref="formRef" @success="getList" />
  </div>
</template>

<script>
  import * as StudentApi from '@/api/infra/demo';
  import StudentTeacherForm from './StudentTeacherForm.vue';
  export default {
    name: "StudentTeacherList",
    components: {
       StudentTeacherForm
    },
    props:[
      'studentId'
    ],// 学生编号（主表的关联字段）
    data() {
      return {
        // 遮罩层
        loading: true,
        // 列表的数据
        list: [],
        checkedIds: [],
        // 列表的总页数
        total: 0,
        // 查询参数
        queryParams: {
          pageNo: 1,
          pageSize: 10,
          studentId: undefined
        }
      };
    },
    watch:{/** 监听主表的关联字段的变化，加载对应的子表数据 */
        studentId:{
            handler(val) {
              this.queryParams.studentId = val;
              if (val){
                this.handleQuery();
              }
            },
            immediate: true
      }
    },
    methods: {
      /** 查询列表 */
      async getList() {
        try {
          this.loading = true;
            const res = await StudentApi.getStudentTeacherPage(this.queryParams);
            this.list = res.data.list;
            this.total = res.data.total;
        } finally {
          this.loading = false;
        }
      },
        /** 批量删除学生 */
        async handleDeleteBatch() {
          await this.$modal.confirm('是否确认删除?')
          try {
            await StudentApi.deleteStudentTeacherList(this.checkedIds);
            this.checkedIds = [];
            await this.getList();
            this.$modal.msgSuccess("删除成功");
          } catch {}
        },
        handleRowCheckboxChange(records) {
          this.checkedIds = records.map((item) => item.id);
        },

        /** 搜索按钮操作 */
        handleQuery() {
          this.queryParams.pageNo = 1;
          this.getList();
        },
      /** 添加/修改操作 */
      openForm(id) {
        if (!this.studentId) {
          this.$modal.msgError('请选择一个学生');
          return;
        }
        this.$refs["formRef"].open(id, this.studentId);
      },
      /** 删除按钮操作 */
      async handleDelete(row) {
        const id = row.id;
        await this.$modal.confirm('是否确认删除学生编号为"' + id + '"的数据项?');
        try {
          await StudentApi.deleteStudentTeacher(id);
          await this.getList();
          this.$modal.msgSuccess("删除成功");
        } catch {}
      },
    }
  };
</script>
