数字格式化是一种使用数字格式化字符串来控制数字显示格式的方法,开发人员可以使用格式化字符串'0.00'来格式数字1234.5678为1234.57,一般情况下数字格式化字符串是由一个或多个自定义的数字列表所构成,如下:
- "#" - Digit placeholder
- "0" - Zero placeholder
- "," - Decimal point
- "." - Decimal separator
- "[Red]" - Color specifier
- "%" - Percentage placeholder
/initialize workbook and worksheet
Workbook workbook = new Workbook();
Worksheet sheet = workbook.Worksheets[0];
sheet.Range["B1"].Text = "NUMBER FORMATTING";
sheet.Range["B1"].Style.Font.IsBold = true;
//input value for a call and set the number format
sheet.Range["B3"].Text = "0";
sheet.Range["C3"].NumberValue = 1234.5678;
sheet.Range["C3"].NumberFormat = "0";
sheet.Range["B4"].Text = "0.00";
sheet.Range["C4"].NumberValue = 1234.5678;
sheet.Range["C4"].NumberFormat = "0.00";
sheet.Range["B5"].Text = "#,##0.00";
sheet.Range["C5"].NumberValue = 1234.5678;
sheet.Range["C5"].NumberFormat = "#,##0.00";
sheet.Range["B6"].Text = "$#,##0.00";
sheet.Range["C6"].NumberValue = 1234.5678;
sheet.Range["C6"].NumberFormat = "$#,##0.00";
sheet.Range["B7"].Text = "0;[Red]-0";
sheet.Range["C7"].NumberValue = -1234.5678;
sheet.Range["C7"].NumberFormat = "0;[Red]-0";
sheet.Range["B8"].Text = "0.00;[Red]-0.00";
sheet.Range["C8"].NumberValue = -1234.5678;
sheet.Range["C8"].NumberFormat = "0.00;[Red]-0.00";
sheet.Range["B9"].Text = "#,##0;[Red]-#,##0";
sheet.Range["C9"].NumberValue = -1234.5678;
sheet.Range["C9"].NumberFormat = "#,##0;[Red]-#,##0";
sheet.Range["B10"].Text = "#,##0.00;[Red]-#,##0.000";
sheet.Range["C10"].NumberValue = -1234.5678;
sheet.Range["C10"].NumberFormat = "#,##0.00;[Red]-#,##0.00";
sheet.Range["B11"].Text = "0.00E+00";
sheet.Range["C11"].NumberValue = 1234.5678;
sheet.Range["C11"].NumberFormat = "0.00E+00";
sheet.Range["B12"].Text = "0.00%";
sheet.Range["C12"].NumberValue = 1234.5678;
sheet.Range["C12"].NumberFormat = "0.00%";
//change background color and set column width to autofit
sheet.Range["B3:B12"].Style.KnownColor = ExcelColors.Gray25Percent;
sheet.AutoFitColumn(2);
sheet.AutoFitColumn(3);
//save and launch the file
workbook.SaveToFile("Sample.xls");
System.Diagnostics.Process.Start("Sample.xls");