【web电子表格】选中行高亮

function main(page: IPage, portlet: ITableSheetPortlet) {
    let originalBackgroundColors: string[] = [];
    let prevRow: ISheetRow;
     
    for (let rowIndex = 0; rowIndex < portlet.getRowCount(); rowIndex++) {
        let row = portlet.getRow(rowIndex);
        row.addEventListener('click', function (e: SheetEvent) {
            // 还原上次点击的单元格背景色
            if (prevRow) {
                for (let columnIndex = 0; columnIndex < portlet.getColumnCount(); columnIndex++) {
                    let cell = prevRow.getCell(columnIndex);
                    cell.setStyle({
                        'background-color': originalBackgroundColors[cell.getColumnIndex()]
                    });                   
                }
            }
            prevRow = row;
             
            // 设置点击的单元格的背景色
            for (let columnIndex = 0; columnIndex < portlet.getColumnCount(); columnIndex++) {
                let cell = row.getCell(columnIndex);
                // 单元格背景色备份
                originalBackgroundColors[cell.getColumnIndex()] = cell.getStyle("background-color");
                if (cell.getColumnIndex() > 2) {
                    break;
                }
                cell.setStyle({
                    'background-color': "#abe5fe"
                });                
            }
        });     
    }
     
}