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用户可以选择以两种方式显示数字和日期: Mask 和 Overflow 。 默认情况下,用户可以根据列的宽度屏蔽单元格中的数据。 这称为 Mask 模式。 但是SpreadJS还允许用户取消屏蔽单元格中的数据,并使其溢出到相邻的单元格中。 这称为 Overflow 模式。
让我们详细讨论每种模式:
当用户需要处理包含数百或数千个具有不同宽度的列的表格时,Mask模式功能特别有用。 数据根据列中的可用空间动态显示。
例如-如果用户在单元格中键入"123456.654321",则该单元格中的数据将根据列宽显示不同,如下图所示-123456.654321 -> 123456.65432 -> 123456.6543 -> 123456.654 -> 123456.65 -> 123456.7 -> 123457 -> 1E + 05 -> ####
显示数字时应用的规则
以下规则适用于显示数字:
显示日期时应用的规则
以下规则适用于显示日期:
示例代码
请参考以下示例代码,以便根据列宽显示日期和数字。
// 显示数字
var spread = new GC.Spread.Sheets.Workbook(document.getElementById("ss"));
var sheet = spread.getActiveSheet();
sheet.suspendPaint();
var width = [35, 45, 54, 66, 71, 80, 88, 95, 114];
for (var c = 0; c < 9; c++)
{
sheet.setValue(0, c, 123456.654321);
sheet.setColumnWidth(c, width[c]);
}
sheet.resumePaint();
// 显示数据
var spread = new GC.Spread.Sheets.Workbook(document.getElementById("ss"));
var sheet = spread.getActiveSheet();
sheet.suspendPaint();
var date = new Date(2018, 9, 7);
sheet.setValue(0, 0, date);
sheet.setFormatter(0, 0, 'yyyy-mm-dd');
sheet.setColumnWidth(0, 80);
sheet.resumePaint();
注意: 在SpreadJS中格式化日期和数字时应牢记以下限制 -
当列的宽度不足以显示整数时,SpreadJS会自动显示“ ####”,科学计数法和四舍五入的整数值。 但是,您可以使用 NumbersFitMode 工作簿选项并将其值设置为1,以变更默认的SpreadJS行为以防止单元格内容被屏蔽。
此 NumbersFitMode 选项将通过以下方式帮助您显示整个数字或日期:当数字或日期长度大于列宽时,允许单元格内容溢出到相邻的单元格中。 此选项也适用于日期。
请参考以下示例,当日期和数字的长度超过单元格中的列宽时,日期和数字将溢出。
//将numbersFitMode选项设置为1
spread.options.numbersFitMode = 1;
//设置日期
var d = new Date();
activeSheet.setValue(1, 3, new Date(2011, 10, 11));
//设置数字
activeSheet.getCell(1, 1, GC.Spread.Sheets.SheetArea.viewport).text("12345678901239");