Example usage for org.apache.poi.hssf.usermodel HSSFDataValidationHelper createValidation

Introduction

In this page you can find the example usage for org.apache.poi.hssf.usermodel HSSFDataValidationHelper createValidation.

Prototype

public DataValidation createValidation(DataValidationConstraint constraint,
            CellRangeAddressList cellRangeAddressList) 

Source Link

Usage

From source file:com.frameworkset.platform.sanylog.util.POIExcelUtil.java

License:Open Source License

/**
 * Sheet???./*from ww w.j  av a 2 s.  co  m*/
 * 
 * @param sheet
 * @param dvcMap ??fieldName"type_name"
 * @param colDesc 17"?:user_id,??:user_name,:type_name"
 * @author gw_liaozh
 */
public static void addDataValidationConstraints(HSSFSheet sheet, Map<String, DataValidationConstraint> dvcMap,
        String colDesc) {//
    List<String> colFieldList = getColumnFieldList(colDesc);
    HSSFDataValidationHelper dvHelper = new HSSFDataValidationHelper(sheet);
    //??
    for (int i = 0; i < colFieldList.size(); i++) {
        String fieldName = colFieldList.get(i);
        DataValidationConstraint constraint = dvcMap.get(fieldName);
        if (constraint == null) {
            continue;
        }
        CellRangeAddressList range = new CellRangeAddressList(1, 65535, i, i);
        sheet.addValidationData(dvHelper.createValidation(constraint, range));
    }
}

---

From source file:com.frameworkset.platform.sanylog.util.POIExcelUtil.java

License:Open Source License

/**
 * Excel Workbook?./*  w w  w  .j  a v a2  s. c  o  m*/
 * 
 * @param colDesc 17"?:user_id,??:user_name,:type_name"
 * @param dataList
 * @return
 * @author gw_liaozh
 * @throws InvocationTargetException 
 * @throws IllegalAccessException 
 * @throws IllegalArgumentException 
 */
public static HSSFWorkbook createHSSFWorkbook(String colDesc, List<?> dataList)
        throws IllegalArgumentException, IllegalAccessException, InvocationTargetException {
    //???17
    //TODO: ?
    List<String> colTitleList = getColumnTitleList(colDesc);
    List<String> colFieldList = getColumnFieldList(colDesc);

    HSSFWorkbook wb = new HSSFWorkbook();
    HSSFSheet sheet = wb.createSheet();

    HSSFFont font = getBaseFont(wb);
    HSSFCellStyle headCellStyle = getHeadCellStyle(wb, font);

    //?
    CellStyle dateCellStyle = getDateTimeCellStyle(wb);

    //CellStyle strCellStyle = getStringCellStyle(wb);

    //??17
    HSSFDataValidationHelper dvHelper = new HSSFDataValidationHelper(sheet);
    Map<String, Class<?>> fieldTypeMap = new HashMap<String, Class<?>>();

    //
    HSSFRow titleRow = sheet.createRow(0);
    for (int i = 0; i < colTitleList.size(); i++) {
        HSSFCell cell = titleRow.createCell(i);
        cell.setCellStyle(headCellStyle);
        cell.setCellType(HSSFCell.CELL_TYPE_STRING);
        cell.setCellValue(colTitleList.get(i));
    }

    //?17
    for (int i = 0; i < dataList.size(); i++) {
        Object obj = dataList.get(i);
        HSSFRow row = sheet.createRow(i + 1);
        for (int j = 0; j < colFieldList.size(); j++) {
            String fieldName = colFieldList.get(j);
            HSSFCell cell = row.createCell(j);
            if (obj == null) {
                continue;
            }
            Object value = BeanConvertUtil.getProperty(obj, fieldName);
            //ClassInfo classInfo = ClassUtil.getClassInfo(obj.getClass());
            //Object value = classInfo.getPropertyDescriptor(fieldName).getValue(obj);
            if (value == null) {
                continue;
            }
            //??
            if (value instanceof Number) {
                cell.setCellType(HSSFCell.CELL_TYPE_NUMERIC);
                cell.setCellValue(((Number) value).doubleValue());
            } else if (value instanceof Date) {
                cell.setCellStyle(dateCellStyle);
                cell.setCellValue((Date) value);
            } else {
                cell.setCellType(HSSFCell.CELL_TYPE_STRING);
                //cell.setCellStyle(strCellStyle);
                cell.setCellValue(value.toString());
            }
            fieldTypeMap.put(fieldName, value.getClass());
        }
    }

    //??
    for (int i = 0; i < colFieldList.size(); i++) {
        String fieldName = colFieldList.get(i);
        Class<?> fieldClass = fieldTypeMap.get(fieldName);
        if (fieldClass == null) {
            continue;
        }
        CellRangeAddressList range = new CellRangeAddressList(1, 65535, i, i);
        DataValidationConstraint constraint = null;
        if (Integer.class.isAssignableFrom(fieldClass)) {
            constraint = dvHelper.createIntegerConstraint(DataValidationConstraint.OperatorType.NOT_BETWEEN,
                    "0", "-1");
            sheet.addValidationData(dvHelper.createValidation(constraint, range));
        } else if (Number.class.isAssignableFrom(fieldClass)) {
            constraint = dvHelper.createNumericConstraint(DataValidationConstraint.ValidationType.DECIMAL,
                    DataValidationConstraint.OperatorType.NOT_BETWEEN, "0", "-1");
            sheet.addValidationData(dvHelper.createValidation(constraint, range));
        } else if (Date.class.isAssignableFrom(fieldClass)) {
            constraint = dvHelper.createDateConstraint(DataValidationConstraint.OperatorType.NOT_BETWEEN,
                    "0000-01-02", "0000-01-01", "yyyy-MM-dd");
            sheet.addValidationData(dvHelper.createValidation(constraint, range));
        }
    }

    //
    for (int i = 0; i < colTitleList.size(); i++) {
        //??
        //sheet.autoSizeColumn(i);
    }

    return wb;
}

---