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/**
* 设置单元格样式
*
* @param workbook
* @param cell
*/
private static void setBodrerStyle(HSSFWorkbook workbook, HSSFCell cell) {
if (cell != null) {
HSSFCellStyle cellStyle = workbook.createCellStyle(); // 单元格样式
cellStyle.setAlignment(HSSFCellStyle.ALIGN_CENTER); // 水平居中
cellStyle.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER); // 垂直居中
cellStyle.setBorderBottom(HSSFCellStyle.BORDER_THIN); //下边框
cellStyle.setBorderLeft(HSSFCellStyle.BORDER_THIN); //左边框
cellStyle.setBorderTop(HSSFCellStyle.BORDER_THIN); //上边框
cellStyle.setBorderRight(HSSFCellStyle.BORDER_THIN); //右边框
cellStyle.setWrapText(true); // 自动换行
// sheet.autoSizeColumn(1, true); // 自动适应宽度
cell.setCellStyle(cellStyle);
}
}
/**
* 动态合并行
*
* @param sheet
* @param mergedRegion 需要合并的列集合
* @param colIndex 当前列
* @param row 当前行
* @param value 单元格值
* @return
*/
private static boolean mergedRegion(HSSFSheet sheet, Integer[] mergedRegion, int colIndex, int row, Object value) {
// 合并单元格
for (Integer col : mergedRegion) {
if (colIndex == col) {
int firstRow = 0;
// 从下往上合并原则
// 得到上一个单元格的开始下标
if ((firstRow = equals(sheet, colIndex, row, value)) < row) {
sheet.addMergedRegion(new CellRangeAddress(firstRow, row, col, col));
// 合并后重新设置样式
// setBodrerStyle(sheet.getWorkbook(), sheet.getRow(firstRow).getCell(col));
return true;
}
break;
}
}
return false;
}
private static int equals(HSSFSheet sheet, int colIndex, int row, Object value) {
// 获取上一个单元格
int firstRow = isMergedRegion(sheet, row - 1, colIndex);
Object lastCellValue = ExcelUtils.getCellFormatValue(sheet.getRow(firstRow).getCell(colIndex));
if (value != null && value.equals(lastCellValue)) {
return firstRow;
}
return row;
}
private static int isMergedRegion(HSSFSheet sheet, int row, int column) {
int sheetMergeCount = sheet.getNumMergedRegions();
for (int i = 0; i < sheetMergeCount; i++) {
CellRangeAddress range = sheet.getMergedRegion(i);
int firstColumn = range.getFirstColumn();
int lastColumn = range.getLastColumn();
int firstRow = range.getFirstRow();
int lastRow = range.getLastRow();
if (row >= firstRow && row <= lastRow) {
if (column >= firstColumn && column <= lastColumn) {
// return new Result(true, firstRow + 1, lastRow + 1, firstColumn + 1, lastColumn + 1);
return firstRow;
}
}
}
return row;
}
/**
* 设置公式
*
* @param sheet
* @param rowNum
* @param formula
* @param propertyNames
* @return
*/
private static String setFormula(HSSFSheet sheet, int rowNum, int col, String formula, String[] propertyNames) {
if (StringUtils.isNotEmpty(formula)) {
// 第一位 公式
// 第二位 取值列
// 第三位 参考合并
String[] vals = formula.split(":");
if (vals.length == 3) {
int pi = 1, pe = 0;
boolean ib = false, eb = false;
for (String property : propertyNames) {
if (!property.equals(vals[1]) && !ib) {
pi++;
} else {
ib = true;
}
if (!property.equals(vals[2]) && !eb) {
pe++;
} else {
eb = true;
}
if (ib && eb) break;
}
String rowName = NumberToChar.getMsg(pi);
// 取参考合并列
int fristRow = isMergedRegion(sheet, rowNum, pe);
formula = vals[0] + "(" + rowName + (fristRow + 1) + ":" + rowName + (rowNum + 1) + ")";
if (fristRow != rowNum) {
CellRangeAddress cellRangeAddress = new CellRangeAddress(fristRow, rowNum, col, col);
sheet.addMergedRegion(cellRangeAddress);
}
logger.debug("第{}行第{}列，设置公式：{}", fristRow, col, formula);
HSSFRow row = sheet.getRow(fristRow);
HSSFCell cell = row.getCell(col);
if (cell == null) cell = row.createCell(col);
cell.setCellFormula(formula);
}
}
return formula;
}
/**
* 写一行数据
*
* @param row
* @param resultObject 值
* @param propertyNames 属性列
* @param formatPropers 格式化值（取数据字典）
* @param mergedRegion 合并列索引
* @param evaluators 计算公式列
*/
private static void WriteOneRowToExcel(HSSFRow row, Object resultObject, String[] propertyNames, String[] formatPropers, Integer[] mergedRegion, Map<String, String> evaluators) {
HSSFSheet sheet = row.getSheet();
HSSFWorkbook workbook = sheet.getWorkbook();
try {
int rowNum = row.getRowNum();
for (int i = 0; i < propertyNames.length; i++) {
String name = propertyNames[i];
if (StringUtils.isEmpty(name)) continue;
Object value = null;
if (resultObject instanceof Map) {
Map temp = (Map) resultObject;
value = temp.get(name);
} else if (name.contains(".")) {
String[] nameArr = name.split("\\.");
Object innerObjectvalue = PropertyUtils.getSimpleProperty(resultObject, nameArr[0]);
if (innerObjectvalue != null) {
value = PropertyUtils.getSimpleProperty(innerObjectvalue, nameArr[1]);
}
} else {
value = PropertyUtils.getSimpleProperty(resultObject, name);
}
if (value == null) continue;
for (String formatProper : formatPropers) {
if (formatProper.equals(name)) {
value = DictUtils.getDictLabel(value.toString(), formatProper, null);
break;
}
}
// 公式 判断
String formula = setFormula(sheet, rowNum, i, evaluators.get(name), propertyNames);
if (!mergedRegion(sheet, mergedRegion, i, rowNum, value) && !StringUtils.isNotEmpty(formula)) {
HSSFCell cell = row.createCell(i);
// setBodrerStyle(workbook, cell);
String typeName = value.getClass().getName();
switch (typeName) {
case "java.lang.String": {
HSSFRichTextString cellText = new HSSFRichTextString(value.toString());
cell.setCellValue(cellText);
break;
}
case "java.util.Date":
case "java.sql.Timestamp":
cell.setCellValue((Date) value);
cell.setCellStyle(dateStyle);
break;
case "java.lang.Double":
case "java.lang.Float":
cell.setCellValue(((Double) value).doubleValue());
cell.setCellStyle(decmialStyle);
break;
case "java.lang.Long":
case "java.lang.Short":
cell.setCellValue(((Long) value).doubleValue());
cell.setCellStyle(numberStyle);
break;
case "java.math.BigDecimal":
cell.setCellValue(((BigDecimal) value).doubleValue());
cell.setCellStyle(decmialStyle);
break;
case "java.lang.Integer":
cell.setCellValue(((Integer) value).intValue());
cell.setCellStyle(numberStyle);
break;
default: {
HSSFRichTextString cellText = new HSSFRichTextString(value.toString());
cell.setCellValue(cellText);
break;
}
}
}
}
} catch (Exception e) {
logger.error(e.getMessage(), e);
}
}