From e942847b899e316efa1fa463b9c38c5c688b3ae7 Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: Tue, 06 Jan 2026 13:54:27 +0800
Subject: [PATCH] 修复Excel自定义格式样式污染问题
---
ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java | 550 ++++++++++++++++++++++++++++++++++++++++--------------
1 files changed, 405 insertions(+), 145 deletions(-)
diff --git a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java
index 3c6fc3e..c2be4c6 100644
--- a/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java
+++ b/ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java
@@ -28,6 +28,7 @@
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.CellType;
import org.apache.poi.ss.usermodel.ClientAnchor;
+import org.apache.poi.ss.usermodel.DataFormat;
import org.apache.poi.ss.usermodel.DataValidation;
import org.apache.poi.ss.usermodel.DataValidationConstraint;
import org.apache.poi.ss.usermodel.DataValidationHelper;
@@ -37,6 +38,7 @@
import org.apache.poi.ss.usermodel.Font;
import org.apache.poi.ss.usermodel.HorizontalAlignment;
import org.apache.poi.ss.usermodel.IndexedColors;
+import org.apache.poi.ss.usermodel.Name;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.VerticalAlignment;
@@ -54,6 +56,7 @@
import com.ruoyi.common.core.annotation.Excel.ColumnType;
import com.ruoyi.common.core.annotation.Excel.Type;
import com.ruoyi.common.core.annotation.Excels;
+import com.ruoyi.common.core.exception.UtilException;
import com.ruoyi.common.core.text.Convert;
import com.ruoyi.common.core.utils.DateUtils;
import com.ruoyi.common.core.utils.StringUtils;
@@ -69,6 +72,8 @@
public class ExcelUtil<T>
{
private static final Logger log = LoggerFactory.getLogger(ExcelUtil.class);
+
+ public static final String SEPARATOR = ",";
public static final String FORMULA_REGEX_STR = "=|-|\\+|@";
@@ -142,12 +147,12 @@
/**
* 对象的子列表方法
*/
- private Method subMethod;
+ private Map<String, Method> subMethods;
/**
* 对象的子列表属性
*/
- private List<Field> subFields;
+ private Map<String, List<Field>> subFieldsMap;
/**
* 统计列表
@@ -155,14 +160,14 @@
private Map<Integer, Double> statistics = new HashMap<Integer, Double>();
/**
- * 数字格式
- */
- private static final DecimalFormat DOUBLE_FORMAT = new DecimalFormat("######0.00");
-
- /**
* 实体对象
*/
public Class<T> clazz;
+
+ /**
+ * 需要显示列属性
+ */
+ public String[] includeFields;
/**
* 需要排除列属性
@@ -175,10 +180,19 @@
}
/**
+ * 仅在Excel中显示列属性
+ *
+ * @param fields 列属性名 示例[单个"name"/多个"id","name"]
+ */
+ public void showColumn(String... fields)
+ {
+ this.includeFields = fields;
+ }
+
+ /**
* 隐藏Excel中列属性
*
* @param fields 列属性名 示例[单个"name"/多个"id","name"]
- * @throws Exception
*/
public void hideColumn(String... fields)
{
@@ -208,19 +222,20 @@
{
if (StringUtils.isNotEmpty(title))
{
- subMergedFirstRowNum++;
- subMergedLastRowNum++;
int titleLastCol = this.fields.size() - 1;
if (isSubList())
{
- titleLastCol = titleLastCol + subFields.size() - 1;
+ for (List<Field> currentSubFields : subFieldsMap.values())
+ {
+ titleLastCol = titleLastCol + currentSubFields.size() - 1;
+ }
}
Row titleRow = sheet.createRow(rownum == 0 ? rownum++ : 0);
titleRow.setHeightInPoints(30);
Cell titleCell = titleRow.createCell(0);
titleCell.setCellStyle(styles.get("title"));
titleCell.setCellValue(title);
- sheet.addMergedRegion(new CellRangeAddress(titleRow.getRowNum(), titleRow.getRowNum(), titleRow.getRowNum(), titleLastCol));
+ sheet.addMergedRegion(new CellRangeAddress(titleRow.getRowNum(), titleRow.getRowNum(), 0, titleLastCol));
}
}
@@ -231,23 +246,32 @@
{
if (isSubList())
{
- subMergedFirstRowNum++;
- subMergedLastRowNum++;
Row subRow = sheet.createRow(rownum);
- int excelNum = 0;
+ int column = 0;
for (Object[] objects : fields)
{
+ Field field = (Field) objects[0];
Excel attr = (Excel) objects[1];
- Cell headCell1 = subRow.createCell(excelNum);
- headCell1.setCellValue(attr.name());
- headCell1.setCellStyle(styles.get(StringUtils.format("header_{}_{}", attr.headerColor(), attr.headerBackgroundColor())));
- excelNum++;
- }
- int headFirstRow = excelNum - 1;
- int headLastRow = headFirstRow + subFields.size() - 1;
- if (headLastRow > headFirstRow)
- {
- sheet.addMergedRegion(new CellRangeAddress(rownum, rownum, headFirstRow, headLastRow));
+ CellStyle cellStyle = styles.get(StringUtils.format("header_{}_{}", attr.headerColor(), attr.headerBackgroundColor()));
+ if (Collection.class.isAssignableFrom(field.getType()))
+ {
+ Cell cell = subRow.createCell(column);
+ cell.setCellValue(attr.name());
+ cell.setCellStyle(cellStyle);
+ int subFieldSize = subFieldsMap != null ? subFieldsMap.get(field.getName()).size() : 0;
+ if (subFieldSize > 1)
+ {
+ CellRangeAddress cellAddress = new CellRangeAddress(rownum, rownum, column, column + subFieldSize - 1);
+ sheet.addMergedRegion(cellAddress);
+ }
+ column += subFieldSize;
+ }
+ else
+ {
+ Cell cell = subRow.createCell(column++);
+ cell.setCellValue(attr.name());
+ cell.setCellStyle(cellStyle);
+ }
}
rownum++;
}
@@ -259,7 +283,7 @@
* @param is 输入流
* @return 转换后集合
*/
- public List<T> importExcel(InputStream is) throws Exception
+ public List<T> importExcel(InputStream is)
{
return importExcel(is, 0);
}
@@ -271,9 +295,23 @@
* @param titleNum 标题占用行数
* @return 转换后集合
*/
- public List<T> importExcel(InputStream is, int titleNum) throws Exception
+ public List<T> importExcel(InputStream is, int titleNum)
{
- return importExcel(StringUtils.EMPTY, is, titleNum);
+ List<T> list = null;
+ try
+ {
+ list = importExcel(StringUtils.EMPTY, is, titleNum);
+ }
+ catch (Exception e)
+ {
+ log.error("导入Excel异常{}", e.getMessage());
+ throw new UtilException(e.getMessage());
+ }
+ finally
+ {
+ IOUtils.closeQuietly(is);
+ }
+ return list;
}
/**
@@ -298,24 +336,23 @@
// 获取最后一个非空行的行下标，比如总行数为n，则返回的为n-1
int rows = sheet.getLastRowNum();
-
if (rows > 0)
{
// 定义一个map用于存放excel列的序号和field.
Map<String, Integer> cellMap = new HashMap<String, Integer>();
// 获取表头
Row heard = sheet.getRow(titleNum);
- for (int i = 0; i < heard.getPhysicalNumberOfCells(); i++)
+ if (heard == null)
+ {
+ throw new UtilException("文件标题行为空，请检查Excel文件格式");
+ }
+ for (int i = 0; i < heard.getLastCellNum(); i++)
{
Cell cell = heard.getCell(i);
if (StringUtils.isNotNull(cell))
{
String value = this.getCellValue(heard, i).toString();
cellMap.put(value, i);
- }
- else
- {
- cellMap.put(null, i);
}
}
// 有数据时才处理 得到类的所有field.
@@ -354,7 +391,7 @@
if (String.class == fieldType)
{
String s = Convert.toStr(val);
- if (StringUtils.endsWith(s, ".0"))
+ if (s.matches("^\\d+\\.0$"))
{
val = StringUtils.substringBefore(s, ".0");
}
@@ -413,13 +450,13 @@
{
propertyName = field.getName() + "." + attr.targetAttr();
}
- else if (StringUtils.isNotEmpty(attr.readConverterExp()))
+ if (StringUtils.isNotEmpty(attr.readConverterExp()))
{
val = reverseByExp(Convert.toStr(val), attr.readConverterExp(), attr.separator());
}
else if (!attr.handler().equals(ExcelHandlerAdapter.class))
{
- val = dataFormatHandlerAdapter(val, attr);
+ val = dataFormatHandlerAdapter(val, attr, null);
}
ReflectUtils.invokeSetter(entity, propertyName, val);
}
@@ -529,7 +566,8 @@
Excel excel = (Excel) os[1];
if (Collection.class.isAssignableFrom(field.getType()))
{
- for (Field subField : subFields)
+ List<Field> currentSubFields = subFieldsMap.get(field.getName());
+ for (Field subField : currentSubFields)
{
Excel subExcel = subField.getAnnotation(Excel.class);
this.createHeadCell(subExcel, row, column++);
@@ -542,7 +580,7 @@
}
if (Type.EXPORT.equals(type))
{
- fillExcelData(index, row);
+ fillExcelData(index);
addStatisticsRow();
}
}
@@ -552,64 +590,98 @@
* 填充excel数据
*
* @param index 序号
- * @param row 单元格行
*/
@SuppressWarnings("unchecked")
- public void fillExcelData(int index, Row row)
+ public void fillExcelData(int index)
{
int startNo = index * sheetSize;
int endNo = Math.min(startNo + sheetSize, list.size());
- int rowNo = (1 + rownum) - startNo;
+ int currentRowNum = rownum + 1; // 从标题行后开始
+
for (int i = startNo; i < endNo; i++)
{
- rowNo = i > 1 ? rowNo + 1 : rowNo + i;
- row = sheet.createRow(rowNo);
- // 得到导出对象.
+ Row row = sheet.createRow(currentRowNum);
T vo = (T) list.get(i);
- Collection<?> subList = null;
- if (isSubListValue(vo))
- {
- subList = getListCellValue(vo);
- subMergedLastRowNum = subMergedLastRowNum + subList.size();
- }
-
int column = 0;
+ int maxSubListSize = getCurrentMaxSubListSize(vo);
for (Object[] os : fields)
{
Field field = (Field) os[0];
Excel excel = (Excel) os[1];
- if (Collection.class.isAssignableFrom(field.getType()) && StringUtils.isNotNull(subList))
+ if (Collection.class.isAssignableFrom(field.getType()))
{
- boolean subFirst = false;
- for (Object obj : subList)
+ try
{
- if (subFirst)
+ Collection<?> subList = (Collection<?>) getTargetValue(vo, field, excel);
+ List<Field> currentSubFields = subFieldsMap.get(field.getName());
+ if (subList != null && !subList.isEmpty())
{
- rowNo++;
- row = sheet.createRow(rowNo);
- }
- List<Field> subFields = FieldUtils.getFieldsListWithAnnotation(obj.getClass(), Excel.class);
- int subIndex = 0;
- for (Field subField : subFields)
- {
- if (subField.isAnnotationPresent(Excel.class))
+ int subIndex = 0;
+ for (Object subVo : subList)
{
- subField.setAccessible(true);
- Excel attr = subField.getAnnotation(Excel.class);
- this.addCell(attr, row, (T) obj, subField, column + subIndex);
+ Row subRow = sheet.getRow(currentRowNum + subIndex);
+ if (subRow == null)
+ {
+ subRow = sheet.createRow(currentRowNum + subIndex);
+ }
+
+ int subColumn = column;
+ for (Field subField : currentSubFields)
+ {
+ Excel subExcel = subField.getAnnotation(Excel.class);
+ addCell(subExcel, subRow, (T) subVo, subField, subColumn++);
+ }
+ subIndex++;
}
- subIndex++;
}
- subFirst = true;
+ column += currentSubFields.size();
}
- this.subMergedFirstRowNum = this.subMergedFirstRowNum + subList.size();
+ catch (Exception e)
+ {
+ log.error("填充集合数据失败", e);
+ }
}
else
{
- this.addCell(excel, row, vo, field, column++);
+ // 创建单元格并设置值
+ addCell(excel, row, vo, field, column);
+ if (maxSubListSize > 1 && excel.needMerge())
+ {
+ sheet.addMergedRegion(new CellRangeAddress(currentRowNum, currentRowNum + maxSubListSize - 1, column, column));
+ }
+ column++;
+ }
+ }
+ currentRowNum += maxSubListSize;
+ }
+ }
+
+ /**
+ * 获取子列表最大数
+ */
+ private int getCurrentMaxSubListSize(T vo)
+ {
+ int maxSubListSize = 1;
+ for (Object[] os : fields)
+ {
+ Field field = (Field) os[0];
+ if (Collection.class.isAssignableFrom(field.getType()))
+ {
+ try
+ {
+ Collection<?> subList = (Collection<?>) getTargetValue(vo, field, (Excel) os[1]);
+ if (subList != null && !subList.isEmpty())
+ {
+ maxSubListSize = Math.max(maxSubListSize, subList.size());
+ }
+ }
+ catch (Exception e)
+ {
+ log.error("获取集合大小失败", e);
}
}
}
+ return maxSubListSize;
}
/**
@@ -630,6 +702,8 @@
titleFont.setFontHeightInPoints((short) 16);
titleFont.setBold(true);
style.setFont(titleFont);
+ DataFormat dataFormat = wb.createDataFormat();
+ style.setDataFormat(dataFormat.getFormat("@"));
styles.put("title", style);
style = wb.createCellStyle();
@@ -652,6 +726,7 @@
style = wb.createCellStyle();
style.setAlignment(HorizontalAlignment.CENTER);
style.setVerticalAlignment(VerticalAlignment.CENTER);
+ style.setDataFormat(dataFormat.getFormat("######0.00"));
Font totalFont = wb.createFont();
totalFont.setFontName("Arial");
totalFont.setFontHeightInPoints((short) 10);
@@ -681,7 +756,6 @@
if (!headerStyles.containsKey(key))
{
CellStyle style = wb.createCellStyle();
- style = wb.createCellStyle();
style.cloneStyleFrom(styles.get("data"));
style.setAlignment(HorizontalAlignment.CENTER);
style.setVerticalAlignment(VerticalAlignment.CENTER);
@@ -693,6 +767,9 @@
headerFont.setBold(true);
headerFont.setColor(excel.headerColor().index);
style.setFont(headerFont);
+ // 设置表格头单元格文本形式
+ DataFormat dataFormat = wb.createDataFormat();
+ style.setDataFormat(dataFormat.getFormat("@"));
headerStyles.put(key, style);
}
}
@@ -710,33 +787,65 @@
Map<String, CellStyle> styles = new HashMap<String, CellStyle>();
for (Object[] os : fields)
{
+ Field field = (Field) os[0];
Excel excel = (Excel) os[1];
- String key = StringUtils.format("data_{}_{}_{}", excel.align(), excel.color(), excel.backgroundColor());
- if (!styles.containsKey(key))
+ if (Collection.class.isAssignableFrom(field.getType()))
{
- CellStyle style = wb.createCellStyle();
- style = wb.createCellStyle();
- style.setAlignment(excel.align());
- style.setVerticalAlignment(VerticalAlignment.CENTER);
- style.setBorderRight(BorderStyle.THIN);
- style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
- style.setBorderLeft(BorderStyle.THIN);
- style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
- style.setBorderTop(BorderStyle.THIN);
- style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
- style.setBorderBottom(BorderStyle.THIN);
- style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
- style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
- style.setFillForegroundColor(excel.backgroundColor().getIndex());
- Font dataFont = wb.createFont();
- dataFont.setFontName("Arial");
- dataFont.setFontHeightInPoints((short) 10);
- dataFont.setColor(excel.color().index);
- style.setFont(dataFont);
- styles.put(key, style);
+ ParameterizedType pt = (ParameterizedType) field.getGenericType();
+ Class<?> subClass = (Class<?>) pt.getActualTypeArguments()[0];
+ List<Field> subFields = FieldUtils.getFieldsListWithAnnotation(subClass, Excel.class);
+ for (Field subField : subFields)
+ {
+ Excel subExcel = subField.getAnnotation(Excel.class);
+ annotationDataStyles(styles, subField, subExcel);
+ }
+ }
+ else
+ {
+ annotationDataStyles(styles, field, excel);
}
}
return styles;
+ }
+
+ /**
+ * 根据Excel注解创建表格列样式
+ *
+ * @param styles 自定义样式列表
+ * @param field 属性列信息
+ * @param excel 注解信息
+ */
+ public void annotationDataStyles(Map<String, CellStyle> styles, Field field, Excel excel)
+ {
+ String key = StringUtils.format("data_{}_{}_{}_{}_{}", excel.align(), excel.color(), excel.backgroundColor(), excel.cellType(), excel.wrapText());
+ if (!styles.containsKey(key))
+ {
+ CellStyle style = wb.createCellStyle();
+ style.setAlignment(excel.align());
+ style.setVerticalAlignment(VerticalAlignment.CENTER);
+ style.setBorderRight(BorderStyle.THIN);
+ style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
+ style.setBorderLeft(BorderStyle.THIN);
+ style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
+ style.setBorderTop(BorderStyle.THIN);
+ style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
+ style.setBorderBottom(BorderStyle.THIN);
+ style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
+ style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
+ style.setFillForegroundColor(excel.backgroundColor().getIndex());
+ style.setWrapText(excel.wrapText());
+ Font dataFont = wb.createFont();
+ dataFont.setFontName("Arial");
+ dataFont.setFontHeightInPoints((short) 10);
+ dataFont.setColor(excel.color().index);
+ style.setFont(dataFont);
+ if (ColumnType.TEXT == excel.cellType())
+ {
+ DataFormat dataFormat = wb.createDataFormat();
+ style.setDataFormat(dataFormat.getFormat("@"));
+ }
+ styles.put(key, style);
+ }
}
/**
@@ -753,7 +862,7 @@
if (isSubList())
{
// 填充默认样式，防止合并单元格样式失效
- sheet.setDefaultColumnStyle(column, styles.get(StringUtils.format("data_{}_{}_{}", attr.align(), attr.color(), attr.backgroundColor())));
+ sheet.setDefaultColumnStyle(column, styles.get(StringUtils.format("data_{}_{}_{}_{}_{}", attr.align(), attr.color(), attr.backgroundColor(), attr.cellType(), attr.wrapText())));
if (attr.needMerge())
{
sheet.addMergedRegion(new CellRangeAddress(rownum - 1, rownum, column, column));
@@ -771,13 +880,17 @@
*/
public void setCellVo(Object value, Excel attr, Cell cell)
{
- if (ColumnType.STRING == attr.cellType())
+ if (ColumnType.STRING == attr.cellType() || ColumnType.TEXT == attr.cellType())
{
String cellValue = Convert.toStr(value);
// 对于任何以表达式触发字符 =-+@开头的单元格，直接使用tab字符作为前缀，防止CSV注入。
if (StringUtils.startsWithAny(cellValue, FORMULA_STR))
{
cellValue = RegExUtils.replaceFirst(cellValue, FORMULA_REGEX_STR, "\t$0");
+ }
+ if (value instanceof Collection && StringUtils.equals("[]", cellValue))
+ {
+ cellValue = StringUtils.EMPTY;
}
cell.setCellValue(StringUtils.isNull(cellValue) ? attr.defaultValue() : cellValue + attr.suffix());
}
@@ -846,8 +959,16 @@
}
if (StringUtils.isNotEmpty(attr.prompt()) || attr.combo().length > 0)
{
- // 提示信息或只能选择不能输入的列内容.
- setPromptOrValidation(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
+ if (attr.combo().length > 15 || StringUtils.join(attr.combo()).length() > 255)
+ {
+ // 如果下拉数大于15或字符串长度大于255，则使用一个新sheet存储，避免生成的模板下拉值获取不到
+ setXSSFValidationWithHidden(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
+ }
+ else
+ {
+ // 提示信息或只能选择不能输入的列内容.
+ setPromptOrValidation(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
+ }
}
}
@@ -866,12 +987,14 @@
{
// 创建cell
cell = row.createCell(column);
- if (isSubListValue(vo) && attr.needMerge())
+ if (isSubListValue(vo) && getListCellValue(vo) > 1 && attr.needMerge())
{
- CellRangeAddress cellAddress = new CellRangeAddress(subMergedFirstRowNum, subMergedLastRowNum, column, column);
- sheet.addMergedRegion(cellAddress);
+ if (subMergedLastRowNum >= subMergedFirstRowNum)
+ {
+ sheet.addMergedRegion(new CellRangeAddress(subMergedFirstRowNum, subMergedLastRowNum, column, column));
+ }
}
- cell.setCellStyle(styles.get(StringUtils.format("data_{}_{}_{}", attr.align(), attr.color(), attr.backgroundColor())));
+ cell.setCellStyle(styles.get(StringUtils.format("data_{}_{}_{}_{}_{}", attr.align(), attr.color(), attr.backgroundColor(), attr.cellType(), attr.wrapText())));
// 用于读取对象中的属性
Object value = getTargetValue(vo, field, attr);
@@ -880,6 +1003,7 @@
String separator = attr.separator();
if (StringUtils.isNotEmpty(dateFormat) && StringUtils.isNotNull(value))
{
+ cell.setCellStyle(createCellStyle(cell.getCellStyle(), dateFormat));
cell.setCellValue(parseDateToStr(dateFormat, value));
}
else if (StringUtils.isNotEmpty(readConverterExp) && StringUtils.isNotNull(value))
@@ -888,11 +1012,11 @@
}
else if (value instanceof BigDecimal && -1 != attr.scale())
{
- cell.setCellValue((((BigDecimal) value).setScale(attr.scale(), attr.roundingMode())).toString());
+ cell.setCellValue((((BigDecimal) value).setScale(attr.scale(), attr.roundingMode())).doubleValue());
}
else if (!attr.handler().equals(ExcelHandlerAdapter.class))
{
- cell.setCellValue(dataFormatHandlerAdapter(value, attr));
+ cell.setCellValue(dataFormatHandlerAdapter(value, attr, cell));
}
else
{
@@ -907,6 +1031,21 @@
log.error("导出Excel失败{}", e);
}
return cell;
+ }
+
+ /**
+ * 使用自定义格式，同时避免样式污染
+ *
+ * @param cellStyle 从此样式复制
+ * @param format 格式匹配的字符串
+ * @return 格式化后CellStyle对象
+ */
+ private CellStyle createCellStyle(CellStyle cellStyle, String format)
+ {
+ CellStyle style = wb.createCellStyle();
+ style.cloneStyleFrom(cellStyle);
+ style.setDataFormat(wb.getCreationHelper().createDataFormat().getFormat(format));
+ return style;
}
/**
@@ -947,8 +1086,78 @@
}
/**
+ * 设置某些列的值只能输入预制的数据,显示下拉框（兼容超出一定数量的下拉框）.
+ *
+ * @param sheet 要设置的sheet.
+ * @param textlist 下拉框显示的内容
+ * @param promptContent 提示内容
+ * @param firstRow 开始行
+ * @param endRow 结束行
+ * @param firstCol 开始列
+ * @param endCol 结束列
+ */
+ public void setXSSFValidationWithHidden(Sheet sheet, String[] textlist, String promptContent, int firstRow, int endRow, int firstCol, int endCol)
+ {
+ String hideSheetName = "combo_" + firstCol + "_" + endCol;
+ Sheet hideSheet = null;
+ String hideSheetDataName = hideSheetName + "_data";
+ Name name = wb.getName(hideSheetDataName);
+ if (name != null)
+ {
+ // 名称已存在，尝试从名称的引用中找到sheet名称
+ String refersToFormula = name.getRefersToFormula();
+ if (StringUtils.isNotEmpty(refersToFormula) && refersToFormula.contains("!"))
+ {
+ String sheetNameFromFormula = refersToFormula.substring(0, refersToFormula.indexOf("!"));
+ hideSheet = wb.getSheet(sheetNameFromFormula);
+ }
+ }
+
+ if (hideSheet == null)
+ {
+ hideSheet = wb.createSheet(hideSheetName); // 用于存储 下拉菜单数据
+ for (int i = 0; i < textlist.length; i++)
+ {
+ hideSheet.createRow(i).createCell(0).setCellValue(textlist[i]);
+ }
+ // 创建名称，可被其他单元格引用
+ name = wb.createName();
+ name.setNameName(hideSheetDataName);
+ name.setRefersToFormula(hideSheetName + "!$A$1:$A$" + textlist.length);
+ }
+
+ DataValidationHelper helper = sheet.getDataValidationHelper();
+ // 加载下拉列表内容
+ DataValidationConstraint constraint = helper.createFormulaListConstraint(hideSheetDataName);
+ // 设置数据有效性加载在哪个单元格上,四个参数分别是：起始行、终止行、起始列、终止列
+ CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol);
+ // 数据有效性对象
+ DataValidation dataValidation = helper.createValidation(constraint, regions);
+ if (StringUtils.isNotEmpty(promptContent))
+ {
+ // 如果设置了提示信息则鼠标放上去提示
+ dataValidation.createPromptBox("", promptContent);
+ dataValidation.setShowPromptBox(true);
+ }
+ // 处理Excel兼容性问题
+ if (dataValidation instanceof XSSFDataValidation)
+ {
+ dataValidation.setSuppressDropDownArrow(true);
+ dataValidation.setShowErrorBox(true);
+ }
+ else
+ {
+ dataValidation.setSuppressDropDownArrow(false);
+ }
+
+ sheet.addValidationData(dataValidation);
+ // 设置hiddenSheet隐藏
+ wb.setSheetHidden(wb.getSheetIndex(hideSheet), true);
+ }
+
+ /**
* 解析导出值 0=男,1=女,2=未知
- *
+ *
* @param propertyValue 参数值
* @param converterExp 翻译注解
* @param separator 分隔符
@@ -957,7 +1166,7 @@
public static String convertByExp(String propertyValue, String converterExp, String separator)
{
StringBuilder propertyString = new StringBuilder();
- String[] convertSource = converterExp.split(",");
+ String[] convertSource = converterExp.split(SEPARATOR);
for (String item : convertSource)
{
String[] itemArray = item.split("=");
@@ -994,7 +1203,7 @@
public static String reverseByExp(String propertyValue, String converterExp, String separator)
{
StringBuilder propertyString = new StringBuilder();
- String[] convertSource = converterExp.split(",");
+ String[] convertSource = converterExp.split(SEPARATOR);
for (String item : convertSource)
{
String[] itemArray = item.split("=");
@@ -1027,13 +1236,13 @@
* @param excel 数据注解
* @return
*/
- public String dataFormatHandlerAdapter(Object value, Excel excel)
+ public String dataFormatHandlerAdapter(Object value, Excel excel, Cell cell)
{
try
{
Object instance = excel.handler().newInstance();
- Method formatMethod = excel.handler().getMethod("format", new Class[] { Object.class, String[].class });
- value = formatMethod.invoke(instance, value, excel.args());
+ Method formatMethod = excel.handler().getMethod("format", new Class[] { Object.class, String[].class, Cell.class, Workbook.class });
+ value = formatMethod.invoke(instance, value, excel.args(), cell, this.wb);
}
catch (Exception e)
{
@@ -1082,7 +1291,7 @@
{
cell = row.createCell(key);
cell.setCellStyle(styles.get("total"));
- cell.setCellValue(DOUBLE_FORMAT.format(statistics.get(key)));
+ cell.setCellValue(statistics.get(key));
}
statistics.clear();
}
@@ -1099,6 +1308,7 @@
*/
private Object getTargetValue(T vo, Field field, Excel excel) throws Exception
{
+ field.setAccessible(true);
Object o = field.get(vo);
if (StringUtils.isNotEmpty(excel.targetAttr()))
{
@@ -1156,47 +1366,88 @@
{
List<Object[]> fields = new ArrayList<Object[]>();
List<Field> tempFields = new ArrayList<>();
+ subFieldsMap = new HashMap<>();
+ subMethods = new HashMap<>();
tempFields.addAll(Arrays.asList(clazz.getSuperclass().getDeclaredFields()));
tempFields.addAll(Arrays.asList(clazz.getDeclaredFields()));
- for (Field field : tempFields)
+ if (StringUtils.isNotEmpty(includeFields))
{
- if (!ArrayUtils.contains(this.excludeFields, field.getName()))
+ for (Field field : tempFields)
{
- // 单注解
- if (field.isAnnotationPresent(Excel.class))
+ if (ArrayUtils.contains(this.includeFields, field.getName()) || field.isAnnotationPresent(Excels.class))
{
- Excel attr = field.getAnnotation(Excel.class);
- if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
+ addField(fields, field);
+ }
+ }
+ }
+ else if (StringUtils.isNotEmpty(excludeFields))
+ {
+ for (Field field : tempFields)
+ {
+ if (!ArrayUtils.contains(this.excludeFields, field.getName()))
+ {
+ addField(fields, field);
+ }
+ }
+ }
+ else
+ {
+ for (Field field : tempFields)
+ {
+ addField(fields, field);
+ }
+ }
+ return fields;
+ }
+
+ /**
+ * 添加字段信息
+ */
+ public void addField(List<Object[]> fields, Field field)
+ {
+ // 单注解
+ if (field.isAnnotationPresent(Excel.class))
+ {
+ Excel attr = field.getAnnotation(Excel.class);
+ if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
+ {
+ fields.add(new Object[] { field, attr });
+ }
+ if (Collection.class.isAssignableFrom(field.getType()))
+ {
+ String fieldName = field.getName();
+ subMethods.put(fieldName, getSubMethod(fieldName, clazz));
+ ParameterizedType pt = (ParameterizedType) field.getGenericType();
+ Class<?> subClass = (Class<?>) pt.getActualTypeArguments()[0];
+ subFieldsMap.put(fieldName, FieldUtils.getFieldsListWithAnnotation(subClass, Excel.class));
+ }
+ }
+
+ // 多注解
+ if (field.isAnnotationPresent(Excels.class))
+ {
+ Excels attrs = field.getAnnotation(Excels.class);
+ Excel[] excels = attrs.value();
+ for (Excel attr : excels)
+ {
+ if (StringUtils.isNotEmpty(includeFields))
+ {
+ if (ArrayUtils.contains(this.includeFields, field.getName() + "." + attr.targetAttr())
+ && (attr != null && (attr.type() == Type.ALL || attr.type() == type)))
{
- field.setAccessible(true);
fields.add(new Object[] { field, attr });
}
- if (Collection.class.isAssignableFrom(field.getType()))
- {
- subMethod = getSubMethod(field.getName(), clazz);
- ParameterizedType pt = (ParameterizedType) field.getGenericType();
- Class<?> subClass = (Class<?>) pt.getActualTypeArguments()[0];
- this.subFields = FieldUtils.getFieldsListWithAnnotation(subClass, Excel.class);
- }
}
-
- // 多注解
- if (field.isAnnotationPresent(Excels.class))
+ else
{
- Excels attrs = field.getAnnotation(Excels.class);
- Excel[] excels = attrs.value();
- for (Excel attr : excels)
+ if (!ArrayUtils.contains(this.excludeFields, field.getName() + "." + attr.targetAttr())
+ && (attr != null && (attr.type() == Type.ALL || attr.type() == type)))
{
- if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
- {
- field.setAccessible(true);
- fields.add(new Object[] { field, attr });
- }
+ fields.add(new Object[] { field, attr });
}
}
}
}
- return fields;
}
/**
@@ -1237,7 +1488,8 @@
{
this.sheet = wb.createSheet();
this.createTitle();
- wb.setSheetName(index, sheetName + index);
+ int actualIndex = wb.getSheetIndex(this.sheet);
+ wb.setSheetName(actualIndex, sheetName + index);
}
}
@@ -1362,7 +1614,7 @@
*/
public boolean isSubList()
{
- return StringUtils.isNotNull(subFields) && subFields.size() > 0;
+ return !StringUtils.isEmpty(subFieldsMap);
}
/**
@@ -1370,24 +1622,32 @@
*/
public boolean isSubListValue(T vo)
{
- return StringUtils.isNotNull(subFields) && subFields.size() > 0 && StringUtils.isNotNull(getListCellValue(vo)) && getListCellValue(vo).size() > 0;
+ return !StringUtils.isEmpty(subFieldsMap) && getListCellValue(vo) > 0;
}
/**
* 获取集合的值
*/
- public Collection<?> getListCellValue(Object obj)
+ public int getListCellValue(Object obj)
{
- Object value;
+ Collection<?> value;
+ int max = 0;
try
{
- value = subMethod.invoke(obj, new Object[] {});
+ for (String s : subMethods.keySet())
+ {
+ value = (Collection<?>) subMethods.get(s).invoke(obj);
+ if (value.size() > max)
+ {
+ max = value.size();
+ }
+ }
}
catch (Exception e)
{
- return new ArrayList<Object>();
+ return 0;
}
- return (Collection<?>) value;
+ return max;
}
/**
--
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