From 532ebaa9fd4250a7df83c05bda81fbc07e42e596 Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: 星期日, 07 八月 2022 18:32:28 +0800
Subject: [PATCH] Excel注解支持导出对象的子列表方法
---
src/main/java/com/ruoyi/framework/aspectj/lang/annotation/Excel.java | 7 +
src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java | 204 +++++++++++++++++++++++++++++++++++++++++++++++++--
2 files changed, 202 insertions(+), 9 deletions(-)
diff --git a/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java b/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
index 7e28837..955acd0 100644
--- a/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
+++ b/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
@@ -7,12 +7,14 @@
import java.io.OutputStream;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
+import java.lang.reflect.ParameterizedType;
import java.math.BigDecimal;
import java.text.DecimalFormat;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.Arrays;
+import java.util.Collection;
import java.util.Comparator;
import java.util.Date;
import java.util.HashMap;
@@ -24,6 +26,7 @@
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.lang3.ArrayUtils;
import org.apache.commons.lang3.RegExUtils;
+import org.apache.commons.lang3.reflect.FieldUtils;
import org.apache.poi.hssf.usermodel.HSSFClientAnchor;
import org.apache.poi.hssf.usermodel.HSSFPicture;
import org.apache.poi.hssf.usermodel.HSSFPictureData;
@@ -150,6 +153,26 @@
private short maxHeight;
/**
+ * 鍚堝苟鍚庢渶鍚庤鏁�
+ */
+ private int subMergedLastRowNum = 0;
+
+ /**
+ * 鍚堝苟鍚庡紑濮嬭鏁�
+ */
+ private int subMergedFirstRowNum = 1;
+
+ /**
+ * 瀵硅薄鐨勫瓙鍒楄〃鏂规硶
+ */
+ private Method subMethod;
+
+ /**
+ * 瀵硅薄鐨勫瓙鍒楄〃灞炴��
+ */
+ private List<Field> subFields;
+
+ /**
* 缁熻鍒楄〃
*/
private Map<Integer, Double> statistics = new HashMap<Integer, Double>();
@@ -198,6 +221,7 @@
createExcelField();
createWorkbook();
createTitle();
+ createSubHead();
}
/**
@@ -207,13 +231,48 @@
{
if (StringUtils.isNotEmpty(title))
{
+ subMergedFirstRowNum++;
+ subMergedLastRowNum++;
+ int titleLastCol = this.fields.size() - 1;
+ if (isSubList())
+ {
+ titleLastCol = titleLastCol + subFields.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(),
- this.fields.size() - 1));
+ sheet.addMergedRegion(new CellRangeAddress(titleRow.getRowNum(), titleRow.getRowNum(), titleRow.getRowNum(), titleLastCol));
+ }
+ }
+
+ /**
+ * 鍒涘缓瀵硅薄鐨勫瓙鍒楄〃鍚嶇О
+ */
+ public void createSubHead()
+ {
+ if (isSubList())
+ {
+ subMergedFirstRowNum++;
+ subMergedLastRowNum++;
+ Row subRow = sheet.createRow(rownum);
+ int excelNum = 0;
+ for (Object[] objects : fields)
+ {
+ 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));
+ }
+ rownum++;
}
}
@@ -593,8 +652,20 @@
// 鍐欏叆鍚勪釜瀛楁鐨勫垪澶村悕绉�
for (Object[] os : fields)
{
+ Field field = (Field) os[0];
Excel excel = (Excel) os[1];
- this.createCell(excel, row, column++);
+ if (Collection.class.isAssignableFrom(field.getType()))
+ {
+ for (Field subField : subFields)
+ {
+ Excel subExcel = subField.getAnnotation(Excel.class);
+ this.createHeadCell(subExcel, row, column++);
+ }
+ }
+ else
+ {
+ this.createHeadCell(excel, row, column++);
+ }
}
if (Type.EXPORT.equals(type))
{
@@ -610,21 +681,60 @@
* @param index 搴忓彿
* @param row 鍗曞厓鏍艰
*/
+ @SuppressWarnings("unchecked")
public void fillExcelData(int index, Row row)
{
int startNo = index * sheetSize;
int endNo = Math.min(startNo + sheetSize, list.size());
+ int rowNo = (1 + rownum) - startNo;
for (int i = startNo; i < endNo; i++)
{
- row = sheet.createRow(i + 1 + rownum - startNo);
+ rowNo = i > 1 ? rowNo + 1 : rowNo + i;
+ row = sheet.createRow(rowNo);
// 寰楀埌瀵煎嚭瀵硅薄.
T vo = (T) list.get(i);
+ Collection<?> subList = null;
+ if (isSubListValue(vo))
+ {
+ subList = getListCellValue(vo);
+ subMergedLastRowNum = subMergedLastRowNum + subList.size();
+ }
+
int column = 0;
for (Object[] os : fields)
{
Field field = (Field) os[0];
Excel excel = (Excel) os[1];
- this.addCell(excel, row, vo, field, column++);
+ if (Collection.class.isAssignableFrom(field.getType()) && StringUtils.isNotNull(subList))
+ {
+ boolean subFirst = false;
+ for (Object obj : subList)
+ {
+ if (subFirst)
+ {
+ 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))
+ {
+ subField.setAccessible(true);
+ Excel attr = subField.getAnnotation(Excel.class);
+ this.addCell(attr, row, (T) obj, subField, column + subIndex);
+ }
+ subIndex++;
+ }
+ subFirst = true;
+ }
+ this.subMergedFirstRowNum = this.subMergedFirstRowNum + subList.size();
+ }
+ else
+ {
+ this.addCell(excel, row, vo, field, column++);
+ }
}
}
}
@@ -759,7 +869,7 @@
/**
* 鍒涘缓鍗曞厓鏍�
*/
- public Cell createCell(Excel attr, Row row, int column)
+ public Cell createHeadCell(Excel attr, Row row, int column)
{
// 鍒涘缓鍒�
Cell cell = row.createCell(column);
@@ -767,6 +877,15 @@
cell.setCellValue(attr.name());
setDataValidation(attr, row, column);
cell.setCellStyle(styles.get(StringUtils.format("header_{}_{}", attr.headerColor(), attr.headerBackgroundColor())));
+ if (isSubList())
+ {
+ // 濉厖榛樿鏍峰紡锛岄槻姝㈠悎骞跺崟鍏冩牸鏍峰紡澶辨晥
+ sheet.setDefaultColumnStyle(column, styles.get(StringUtils.format("data_{}_{}_{}", attr.align(), attr.color(), attr.backgroundColor())));
+ if (attr.needMerge())
+ {
+ sheet.addMergedRegion(new CellRangeAddress(rownum - 1, rownum, column, column));
+ }
+ }
return cell;
}
@@ -874,6 +993,11 @@
{
// 鍒涘缓cell
cell = row.createCell(column);
+ if (isSubListValue(vo) && attr.needMerge())
+ {
+ CellRangeAddress cellAddress = new CellRangeAddress(subMergedFirstRowNum, subMergedLastRowNum, column, column);
+ sheet.addMergedRegion(cellAddress);
+ }
cell.setCellStyle(styles.get(StringUtils.format("data_{}_{}_{}", attr.align(), attr.color(), attr.backgroundColor())));
// 鐢ㄤ簬璇诲彇瀵硅薄涓殑灞炴��
@@ -969,7 +1093,7 @@
for (String item : convertSource)
{
String[] itemArray = item.split("=");
- if (StringUtils.containsAny(separator, propertyValue))
+ if (StringUtils.containsAny(propertyValue, separator))
{
for (String value : propertyValue.split(separator))
{
@@ -1006,7 +1130,7 @@
for (String item : convertSource)
{
String[] itemArray = item.split("=");
- if (StringUtils.containsAny(separator, propertyValue))
+ if (StringUtils.containsAny(propertyValue, separator))
{
for (String value : propertyValue.split(separator))
{
@@ -1229,6 +1353,13 @@
{
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);
}
}
@@ -1473,4 +1604,61 @@
}
return str;
}
+
+ /**
+ * 鏄惁鏈夊璞＄殑瀛愬垪琛�
+ */
+ public boolean isSubList()
+ {
+ return StringUtils.isNotNull(subFields) && subFields.size() > 0;
+ }
+
+ /**
+ * 鏄惁鏈夊璞＄殑瀛愬垪琛紝闆嗗悎涓嶄负绌�
+ */
+ public boolean isSubListValue(T vo)
+ {
+ return StringUtils.isNotNull(subFields) && subFields.size() > 0 && StringUtils.isNotNull(getListCellValue(vo)) && getListCellValue(vo).size() > 0;
+ }
+
+ /**
+ * 鑾峰彇闆嗗悎鐨勫��
+ */
+ public Collection<?> getListCellValue(Object obj)
+ {
+ Object value;
+ try
+ {
+ value = subMethod.invoke(obj, new Object[] {});
+ }
+ catch (Exception e)
+ {
+ return new ArrayList<Object>();
+ }
+ return (Collection<?>) value;
+ }
+
+ /**
+ * 鑾峰彇瀵硅薄鐨勫瓙鍒楄〃鏂规硶
+ *
+ * @param name 鍚嶇О
+ * @param pojoClass 绫诲璞�
+ * @return 瀛愬垪琛ㄦ柟娉�
+ */
+ public Method getSubMethod(String name, Class<?> pojoClass)
+ {
+ StringBuffer getMethodName = new StringBuffer("get");
+ getMethodName.append(name.substring(0, 1).toUpperCase());
+ getMethodName.append(name.substring(1));
+ Method method = null;
+ try
+ {
+ method = pojoClass.getMethod(getMethodName.toString(), new Class[] {});
+ }
+ catch (Exception e)
+ {
+ log.error("鑾峰彇瀵硅薄寮傚父{}", e.getMessage());
+ }
+ return method;
+ }
}
diff --git a/src/main/java/com/ruoyi/framework/aspectj/lang/annotation/Excel.java b/src/main/java/com/ruoyi/framework/aspectj/lang/annotation/Excel.java
index 8fdf7c1..4ee9565 100644
--- a/src/main/java/com/ruoyi/framework/aspectj/lang/annotation/Excel.java
+++ b/src/main/java/com/ruoyi/framework/aspectj/lang/annotation/Excel.java
@@ -89,6 +89,11 @@
public String[] combo() default {};
/**
+ * 鏄惁闇�瑕佺旱鍚戝悎骞跺崟鍏冩牸,搴斿闇�姹�:鍚湁list闆嗗悎鍗曞厓鏍�)
+ */
+ public boolean needMerge() default false;
+
+ /**
* 鏄惁瀵煎嚭鏁版嵁,搴斿闇�姹�:鏈夋椂鎴戜滑闇�瑕佸鍑轰竴浠芥ā鏉�,杩欐槸鏍囬闇�瑕佷絾鍐呭闇�瑕佺敤鎴锋墜宸ュ～鍐�.
*/
public boolean isExport() default true;
@@ -104,7 +109,7 @@
public boolean isStatistics() default false;
/**
- * 瀵煎嚭绫诲瀷锛�0鏁板瓧 1瀛楃涓诧級
+ * 瀵煎嚭绫诲瀷锛�0鏁板瓧 1瀛楃涓� 2鍥剧墖锛�
*/
public ColumnType cellType() default ColumnType.STRING;
--
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