Hur man arbetar med validering i Java
Översikt
Aspose.Cells FOSS för Java stöder regler för datavalidering och villkorsstyrd formatering.
Använd dessa funktioner för att upprätthålla inmatningsbegränsningar och markera data i Excel.
Lägg till en heltalsvalideringsregel
import com.aspose.cells_foss.CellArea;
import com.aspose.cells_foss.OperatorType;
import com.aspose.cells_foss.Validation;
import com.aspose.cells_foss.ValidationType;
import com.aspose.cells_foss.Workbook;
import com.aspose.cells_foss.Worksheet;
try (Workbook workbook = new Workbook()) {
Worksheet sheet = workbook.getWorksheets().get(0);
int vi = sheet.getValidations().add(new CellArea(1, 0, 10, 0));
Validation validation = sheet.getValidations().get(vi);
validation.setType(ValidationType.WHOLE_NUMBER);
validation.setOperator(OperatorType.BETWEEN);
validation.setFormula1("1");
validation.setFormula2("100");
workbook.save("validated.xlsx");
}Lägg till villkorsstyrd formatering
Applicera fet formatering på celler som matchar ett villkor:
import com.aspose.cells_foss.CellArea;
import com.aspose.cells_foss.FormatCondition;
import com.aspose.cells_foss.FormatConditionCollection;
import com.aspose.cells_foss.FormatConditionType;
import com.aspose.cells_foss.OperatorType;
import com.aspose.cells_foss.Style;
import com.aspose.cells_foss.Workbook;
import com.aspose.cells_foss.Worksheet;
try (Workbook workbook = new Workbook()) {
Worksheet sheet = workbook.getWorksheets().get(0);
int cfIndex = sheet.getConditionalFormattings().add();
FormatConditionCollection conditions = sheet.getConditionalFormattings().get(cfIndex);
conditions.addArea(CellArea.createCellArea("B2", "B11"));
int condIndex = conditions.addCondition(
FormatConditionType.CELL_VALUE, OperatorType.BETWEEN, "1", "100");
FormatCondition condition = conditions.get(condIndex);
Style style = condition.getStyle();
style.getFont().setBold(true);
condition.setStyle(style);
workbook.save("conditional.xlsx");
}Stödda valideringstyper
| ValidationType | Beskrivning |
|---|---|
WHOLE_NUMBER | Endast heltalsvärden |
DECIMAL | Decimala numeriska värden |
LIST | Fördefinierad lista med värden |
DATE | Datumvärden |
TEXT_LENGTH | Teckenräkning |