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支持Excel导出对象的多个子列表

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RuoYi
2025-12-04 16:32:30 +08:00
parent bd66cc7260
commit 188e50ff1c
1 changed files with 10 additions and 6 deletions
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16
ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
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@ -174,12 +174,12 @@ public class ExcelUtil<T>
/** /**
* 对象的子列表方法 * 对象的子列表方法
*/ */
private Map<String, Method> subMethods = new HashMap<>(); private Map<String, Method> subMethods;
/** /**
* 对象的子列表属性 * 对象的子列表属性
*/ */
private Map<String, List<Field>> subFieldsMap = new HashMap<>(); private Map<String, List<Field>> subFieldsMap;
/** /**
* 统计列表 * 统计列表
@ -252,7 +252,10 @@ public class ExcelUtil<T>
int titleLastCol = this.fields.size() - 1; int titleLastCol = this.fields.size() - 1;
if (isSubList()) if (isSubList())
{ {
titleLastCol = titleLastCol + subFieldsMap.values().size() - 1; for (List<Field> currentSubFields : subFieldsMap.values())
{
titleLastCol = titleLastCol + currentSubFields.size() - 1;
}
} }
Row titleRow = sheet.createRow(rownum == 0 ? rownum++ : 0); Row titleRow = sheet.createRow(rownum == 0 ? rownum++ : 0);
titleRow.setHeightInPoints(30); titleRow.setHeightInPoints(30);
@ -722,7 +725,6 @@ public class ExcelUtil<T>
* 填充excel数据 * 填充excel数据
* *
* @param index 序号 * @param index 序号
* @param row 单元格行
*/ */
@SuppressWarnings("unchecked") @SuppressWarnings("unchecked")
public void fillExcelData(int index) public void fillExcelData(int index)
@ -746,10 +748,10 @@ public class ExcelUtil<T>
try try
{ {
Collection<?> subList = (Collection<?>) getTargetValue(vo, field, excel); Collection<?> subList = (Collection<?>) getTargetValue(vo, field, excel);
List<Field> currentSubFields = subFieldsMap.get(field.getName());
if (subList != null && !subList.isEmpty()) if (subList != null && !subList.isEmpty())
{ {
int subIndex = 0; int subIndex = 0;
List<Field> currentSubFields = subFieldsMap.get(field.getName());
for (Object subVo : subList) for (Object subVo : subList)
{ {
Row subRow = sheet.getRow(currentRowNum + subIndex); Row subRow = sheet.getRow(currentRowNum + subIndex);
@ -766,8 +768,8 @@ public class ExcelUtil<T>
} }
subIndex++; subIndex++;
} }
column += currentSubFields.size();
} }
column += currentSubFields.size();
} }
catch (Exception e) catch (Exception e)
{ {
@ -1558,6 +1560,8 @@ public class ExcelUtil<T>
{ {
List<Object[]> fields = new ArrayList<Object[]>(); List<Object[]> fields = new ArrayList<Object[]>();
List<Field> tempFields = new ArrayList<>(); List<Field> tempFields = new ArrayList<>();
subFieldsMap = new HashMap<>();
subMethods = new HashMap<>();
tempFields.addAll(Arrays.asList(clazz.getSuperclass().getDeclaredFields())); tempFields.addAll(Arrays.asList(clazz.getSuperclass().getDeclaredFields()));
tempFields.addAll(Arrays.asList(clazz.getDeclaredFields())); tempFields.addAll(Arrays.asList(clazz.getDeclaredFields()));
if (StringUtils.isNotEmpty(includeFields)) if (StringUtils.isNotEmpty(includeFields))