ContestPortal/src/views/registrationGroup/components/stuList.vue

<template>
  <div>
    <el-button type="primary" icon="Plus" @click="add" class="btn">
      新增
    </el-button>
    <el-button
      type="danger"
      icon="Delete"
      @click="del"
      class="btn"
      v-show="isSele"
    >
      删除
    </el-button>
    <div class="table-box">
      <el-table
        ref="multipleTableRef"
        @select="(selection: any[]) => (isSele = !!selection.length)"
        border
        :data="tableData"
        class="table"
        height="276px"
      >
        <el-table-column type="selection" width="55" />
        <el-table-column label="#" width="55">
          <template #default="{ $index }">
            {{ $index + 1 }}
          </template>
        </el-table-column>
        <el-table-column>
          <template #header>
            <el-icon>
              <Edit />
            </el-icon>
            <span style="margin-left: 10px">用户</span>
          </template>
          <template #default="{ row }">
            <el-input
              @click="openDialog(row)"
              v-model="row.realname"
              placeholder="请选择"
              :prefix-icon="ClusterOutlined"
            />
          </template>
        </el-table-column>
        <el-table-column>
          <template #header>
            <el-icon>
              <Edit />
            </el-icon>
            <span style="margin-left: 10px">是否队长</span>
          </template>
          <template #default="{ row }">
            <el-cascader
              :modelValue="row.captain"
              @update:modelValue="(arr: any[]) => (row.captain = arr[0])"
              :options="options"
            />
          </template>
        </el-table-column>
        <el-table-column>
          <template #header>
            <el-icon>
              <Edit />
            </el-icon>
            <span style="margin-left: 10px">队员序号</span>
          </template>
          <template #default="{ row }">
            <el-input v-model="row.teamSeq" />
          </template>
        </el-table-column>
      </el-table>
    </div>
    <stu-dialog v-model="visible" @selected="handleSelected" />
  </div>
</template>

<script lang="ts" setup>
import { reactive, ref } from 'vue'
import stuDialog from './stuDialog.vue'
import { ClusterOutlined } from '@ant-design/icons-vue'
import { ElMessage } from 'element-plus'
const options = [
  {
    value: '1',
    label: '是',
  },
  {
    value: '0',
    label: '否',
  },
]

// 数据
const tableData = reactive<any[]>([])

const add = () => {
  const length = tableData.push({
    realname: '', // 用户
    captain: '', // 是否队长
    teamSeq: '', // 队员序号
    userId: '', // id
  })
  openDialog(tableData[length - 1])
}

// 当下打开dialog的数据源，在打开dialog时赋值
const target = ref<any>()
const openDialog = (row: any) => {
  visible.value = true
  target.value = row
}

const visible = ref(false)

// 像数据源中添加数据
const handleSelected = (row: any = {}) => {
  if (tableData.some((o) => o.userId === row.id)) {
    ElMessage({
      message: '用户不能多选!',
      type: 'error',
    })
    return
  }

  target.value.realname = row.realname
  target.value.userId = row.id
}

// 提交
defineExpose({ submit: () => tableData })

// 删除逻辑
const multipleTableRef = ref<any>(null)
const isSele = ref(false)
const del = () => {
  const rows = multipleTableRef.value.getSelectionRows()
  rows.forEach((row: any) => {
    const index = tableData.indexOf(row)
    if (index === -1) return
    tableData.splice(index, 1)
  })
}
</script>

<style lang="scss" scoped>
.btn {
  margin-bottom: 20px;
}

.table-box {
  .table {
    width: 100%;
  }

  .pagin-box {
    width: 100%;
    height: 64px;
    display: flex;
    align-items: center;

    .pagination {
      padding: 0 24px;

      :deep() {
        .el-pagination__total {
          margin-right: auto;
        }

        li.number.is-active {
          background-color: #42d9ac;
          color: rgba(255, 255, 255, 0.9);
          font-family:
            Microsoft YaHei UI,
            Microsoft YaHei UI;
        }

        span.el-pagination__jump {
          background-color: #f3f3f3;
          padding: 2px 8px;
        }
      }
    }
  }
}
</style>