Primeng datatable单元格背景颜色更改

<p-table [value]="data">
  <ng-template pTemplate="header">
    <tr>
      <th>Column 1</th>
      <th>Column 2</th>
      <th>Column 3</th>
    </tr>
  </ng-template>
  <ng-template pTemplate="body" let-rowData>
    <tr>
      <td [ngStyle]="{'background-color': getCellBackgroundColor(rowData)}">{{rowData.column1}}</td>
      <td [ngStyle]="{'background-color': getCellBackgroundColor(rowData)}">{{rowData.column2}}</td>
      <td [ngStyle]="{'background-color': getCellBackgroundColor(rowData)}">{{rowData.column3}}</td>
    </tr>
  </ng-template>
</p-table>

getCellBackgroundColor(rowData: any): string {
  // 根据rowData的值来判断要返回的背景颜色
  if (rowData.column1 === 'value1') {
    return 'red';
  } else if (rowData.column1 === 'value2') {
    return 'green';
  } else {
    return 'white';
  }
}