wsy182
/
RuoYi-Cloud
mirror of https://gitee.com/y_project/RuoYi-Cloud.git
1
1
Fork 0
Code Issues Packages Projects Releases Wiki Activity

支持Excel导出对象的多个子列表

pull/443/head
RuoYi 2025-12-04 16:48:19 +08:00
parent ad1d009165
commit 97f30a5415
1 changed files with 10 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java
View File

@ -147,12 +147,12 @@ 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
@ -225,7 +225,10 @@ 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);
@ -610,10 +613,10 @@ 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);
@ -630,8 +633,8 @@ public class ExcelUtil<T>
} }
subIndex++; subIndex++;
} }
column += currentSubFields.size();
} }
column += currentSubFields.size();
} }
catch (Exception e) catch (Exception e)
{ {
@ -1348,6 +1351,8 @@ 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))