图文详解Element-UI中自定义修改el-table样式

<div id="Table">
    <el-table :data="tableData" style="width: 100%">
      <el-table-column label="日期" width="180">
        <template slot-scope="scope">
          <i class="el-icon-time"></i>
          <span style="margin-left: 10px">{{ scope.row.date }}</span>
        </template>
      </el-table-column>
      <el-table-column label="姓名" width="180">
        <template slot-scope="scope">
          <el-popover trigger="hover" placement="top">
            <p>姓名: {{ scope.row.name }}</p>
            <p>住址: {{ scope.row.address }}</p>
            <div slot="reference" class="name-wrapper">
              <el-tag size="medium">{{ scope.row.name }}</el-tag>
            </div>
          </el-popover>
        </template>
      </el-table-column>
      <el-table-column label="操作">
        <template slot-scope="scope">
          <el-button size="mini" @click="handleEdit(scope.$index, scope.row)"
            >编辑</el-button
          >
          <el-button
            size="mini"
            type="danger"
            @click="handleDelete(scope.$index, scope.row)"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>
  </div>

<style lang="less" scoped>
// 修改头部背景
::v-deep .el-table th{
    background-color: #ADAD;
}
</style>

<style lang="less" scoped>
//修改表头字体颜色
::v-deep.el-table thead {
  color: #FC5531;
  font-weight: 500;
}
</style>

<style lang="less" scoped>
//修改行背景
::v-deep .el-table tr{
    background-color: yellow;
}
</style>

<style lang="less" scoped>
//修改行内线
::v-deep .el-table td,.building-top .el-table th.is-leaf {
    border-bottom:  1px solid #007ACC;
 }
</style>

<style lang="less" scoped>
//修改行内线
::v-deep .el-table td,.building-top .el-table th.is-leaf {
    border-bottom:  1px solid #007ACC;
  }
</style>

<style lang="less" scoped>
// 修改表格最底部颜色和高度
::v-deep .el-table::before {
  border-bottom: 1px solid red;
  height: 4px;
}
</style>

<style lang="less" scoped>
// 修改表格无数据背景，字体颜色
::v-deep .el-table__empty-block {
  background: #16203c;
}
::v-deep .el-table__empty-text {
  color: #ccc;
}
</style>

<style lang="less" scoped>
//修改鼠标选中行
::v-deep  .el-table__body tr.current-row>td {
        background: #f57878 ;
    }
</style>

<style lang="less" scoped>
//修改行内文字居中
::v-deep .el-table td, .el-table th {
    text-align: center;
 }
</style>

<style lang="less" scoped>
//修改普通行
::v-deep .el-table tr{
   background: #091B37;
    height:20px;
  }
 
 ::v-deep  .el-table--enable-row-transition .el-table__body td, .el-table .cell{
    background-color: #091B37;
  }
</style>

<style lang="less" scoped>
//修改行高
::v-deep .el-table td{
    padding:0px 0px;  //默认上下是padding12px
}
</style>

<style lang="less" scoped>
//水平和垂直滚动条
::v-deep .el-table--scrollable-x .el-table__body-wrapper {
    overflow-x: hidden;
  }
</style>