Vue を使用して固定ヘッダー効果を実装する方法

vue create fixed-table-header

cd fixed-table-header
npm install element-ui

<template>
  <div class="fixed-table-header">
    <el-table
      :data="tableData"
      style="width: 100%"
      header-row-class-name="header-row"
      row-class-name="table-row"
      :header-cell-style="fixedHeaderStyle"
    >
      <el-table-column
        prop="name"
        label="姓名"
      ></el-table-column>
      <el-table-column
        prop="age"
        label="年龄"
      ></el-table-column>
      <el-table-column
        prop="gender"
        label="性别"
      ></el-table-column>
    </el-table>
  </div>
</template>

<script>
export default {
  data() {
    return {
      tableData: [
        {
          name: "张三",
          age: 20,
          gender: "男"
        },
        {
          name: "李四",
          age: 22,
          gender: "女"
        },
        // 更多数据...
      ]
    };
  },
  computed: {
    fixedHeaderStyle() {
      const headerHeight = 40; // 表头高度
      return `height: ${headerHeight}px; line-height: ${headerHeight}px;`;
    }
  }
};
</script>

<style scoped>
.fixed-table-header {
  width: 100%;
  height: 300px;
  overflow-y: scroll;
}

table .header-row {
  position: sticky;
  top: 0;
  z-index: 1;
}

table .table-row {
  background-color: #f9f9f9;
}

.el-table__header-wrapper {
  overflow: hidden;
}
</style>

<template>
  <div id="app">
    <FixedTableHeader />
  </div>
</template>

<script>
import FixedTableHeader from "./components/FixedTableHeader.vue";

export default {
  name: "App",
  components: {
    FixedTableHeader
  }
};
</script>

<style>
#app {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}
</style>

npm run serve