sheet.setColumnVisible(0, false, GC.Spread.Sheets.SheetArea.rowHeader);//隐藏行号
sheet.setRowVisible(0, false, GC.Spread.Sheets.SheetArea.colHeader);//隐藏列号
sheet.options.gridline = { showHorizontalGridline: false, showVerticalGridline: false };//水平线。垂直线