如何在 Java 中使用验证
概述
Aspose.Cells FOSS for Java 支持数据验证规则和条件格式化。
使用这些功能来强制输入约束并在 Excel 中突出显示数据。
添加整数验证规则
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");
}添加条件格式
对符合条件的单元格应用粗体格式:
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");
}支持的验证类型
| 验证类型 | 描述 |
|---|---|
WHOLE_NUMBER | 仅整数值 |
DECIMAL | 十进制数值 |
LIST | 预定义值列表 |
DATE | 日期值 |
TEXT_LENGTH | 字符计数 |