Cómo trabajar con la validación en Java
Visión general
Aspose.Cells FOSS for Java admite reglas de validación de datos y formato condicional.
Utilice estas funciones para aplicar restricciones de entrada y resaltar datos en Excel.
Agregar una regla de validación de número entero
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");
}Agregar formato condicional
Aplicar formato en negrita a celdas que coincidan con una condición:
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");
}Tipos de validación compatibles
| ValidationType | Descripción |
|---|---|
WHOLE_NUMBER | Solo valores enteros |
DECIMAL | Valores numéricos decimales |
LIST | Lista predefinida de valores |
DATE | Valores de fecha |
TEXT_LENGTH | Recuento de caracteres |