From fba7ffe77c5b9295b06b177cef3025b6d47ed48a Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: 星期一, 06 二月 2023 11:40:33 +0800
Subject: [PATCH] 修复匿名注解Anonymous空指针问题(I683DT)
---
src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java | 284 ++++++++++++++++++++++++++++++++++++++++++++++++++++++--
1 files changed, 271 insertions(+), 13 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..e6f069c 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;
@@ -45,6 +48,7 @@
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.PictureData;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
@@ -150,6 +154,26 @@
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 +222,7 @@
createExcelField();
createWorkbook();
createTitle();
+ createSubHead();
}
/**
@@ -207,13 +232,48 @@
{
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 +653,20 @@
// 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 +682,67 @@
* @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 = isSubList() ? (i > 1 ? rowNo + 1 : rowNo + i) : i + 1 + rownum - startNo;
+ row = sheet.createRow(rowNo);
// 寰楀埌瀵煎嚭瀵硅薄.
T vo = (T) list.get(i);
+ Collection<?> subList = null;
+ if (isSubList())
+ {
+ if (isSubListValue(vo))
+ {
+ subList = getListCellValue(vo);
+ subMergedLastRowNum = subMergedLastRowNum + subList.size();
+ }
+ else
+ {
+ subMergedFirstRowNum++;
+ subMergedLastRowNum++;
+ }
+ }
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++);
+ }
}
}
}
@@ -698,7 +816,6 @@
if (!headerStyles.containsKey(key))
{
CellStyle style = wb.createCellStyle();
- style = wb.createCellStyle();
style.cloneStyleFrom(styles.get("data"));
style.setAlignment(HorizontalAlignment.CENTER);
style.setVerticalAlignment(VerticalAlignment.CENTER);
@@ -732,7 +849,6 @@
if (!styles.containsKey(key))
{
CellStyle style = wb.createCellStyle();
- style = wb.createCellStyle();
style.setAlignment(excel.align());
style.setVerticalAlignment(VerticalAlignment.CENTER);
style.setBorderRight(BorderStyle.THIN);
@@ -759,7 +875,7 @@
/**
* 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 +883,15 @@
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;
}
@@ -786,6 +911,10 @@
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());
}
@@ -854,8 +983,16 @@
}
if (StringUtils.isNotEmpty(attr.prompt()) || attr.combo().length > 0)
{
- // 鎻愮ず淇℃伅鎴栧彧鑳介�夋嫨涓嶈兘杈撳叆鐨勫垪鍐呭.
- setPromptOrValidation(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
+ if (attr.combo().length > 15 || StringUtils.join(attr.combo()).length() > 255)
+ {
+ // 濡傛灉涓嬫媺鏁板ぇ浜�15鎴栧瓧绗︿覆闀垮害澶т簬255锛屽垯浣跨敤涓�涓柊sheet瀛樺偍锛岄伩鍏嶇敓鎴愮殑妯℃澘涓嬫媺鍊艰幏鍙栦笉鍒�
+ setXSSFValidationWithHidden(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
+ }
+ else
+ {
+ // 鎻愮ず淇℃伅鎴栧彧鑳介�夋嫨涓嶈兘杈撳叆鐨勫垪鍐呭.
+ setPromptOrValidation(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
+ }
}
}
@@ -874,6 +1011,11 @@
{
// 鍒涘缓cell
cell = row.createCell(column);
+ if (isSubListValue(vo) && getListCellValue(vo).size() > 1 && 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��
@@ -896,7 +1038,7 @@
}
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))
{
@@ -955,6 +1097,58 @@
}
/**
+ * 璁剧疆鏌愪簺鍒楃殑鍊煎彧鑳借緭鍏ラ鍒剁殑鏁版嵁,鏄剧ず涓嬫媺妗嗭紙鍏煎瓒呭嚭涓�瀹氭暟閲忕殑涓嬫媺妗嗭級.
+ *
+ * @param sheet 瑕佽缃殑sheet.
+ * @param textlist 涓嬫媺妗嗘樉绀虹殑鍐呭
+ * @param promptContent 鎻愮ず鍐呭
+ * @param firstRow 寮�濮嬭
+ * @param endRow 缁撴潫琛�
+ * @param firstCol 寮�濮嬪垪
+ * @param endCol 缁撴潫鍒�
+ */
+ public void setXSSFValidationWithHidden(Sheet sheet, String[] textlist, String promptContent, int firstRow, int endRow, int firstCol, int endCol)
+ {
+ String hideSheetName = "combo_" + firstCol + "_" + endCol;
+ Sheet hideSheet = wb.createSheet(hideSheetName); // 鐢ㄤ簬瀛樺偍 涓嬫媺鑿滃崟鏁版嵁
+ for (int i = 0; i < textlist.length; i++)
+ {
+ hideSheet.createRow(i).createCell(0).setCellValue(textlist[i]);
+ }
+ // 鍒涘缓鍚嶇О锛屽彲琚叾浠栧崟鍏冩牸寮曠敤
+ Name name = wb.createName();
+ name.setNameName(hideSheetName + "_data");
+ name.setRefersToFormula(hideSheetName + "!$A$1:$A$" + textlist.length);
+ DataValidationHelper helper = sheet.getDataValidationHelper();
+ // 鍔犺浇涓嬫媺鍒楄〃鍐呭
+ DataValidationConstraint constraint = helper.createFormulaListConstraint(hideSheetName + "_data");
+ // 璁剧疆鏁版嵁鏈夋晥鎬у姞杞藉湪鍝釜鍗曞厓鏍间笂,鍥涗釜鍙傛暟鍒嗗埆鏄細璧峰琛屻�佺粓姝㈣銆佽捣濮嬪垪銆佺粓姝㈠垪
+ CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol);
+ // 鏁版嵁鏈夋晥鎬у璞�
+ DataValidation dataValidation = helper.createValidation(constraint, regions);
+ if (StringUtils.isNotEmpty(promptContent))
+ {
+ // 濡傛灉璁剧疆浜嗘彁绀轰俊鎭垯榧犳爣鏀句笂鍘绘彁绀�
+ dataValidation.createPromptBox("", promptContent);
+ dataValidation.setShowPromptBox(true);
+ }
+ // 澶勭悊Excel鍏煎鎬ч棶棰�
+ if (dataValidation instanceof XSSFDataValidation)
+ {
+ dataValidation.setSuppressDropDownArrow(true);
+ dataValidation.setShowErrorBox(true);
+ }
+ else
+ {
+ dataValidation.setSuppressDropDownArrow(false);
+ }
+
+ sheet.addValidationData(dataValidation);
+ // 璁剧疆hiddenSheet闅愯棌
+ wb.setSheetHidden(wb.getSheetIndex(hideSheet), true);
+ }
+
+ /**
* 瑙ｆ瀽瀵煎嚭鍊� 0=鐢�,1=濂�,2=鏈煡
*
* @param propertyValue 鍙傛暟鍊�
@@ -969,7 +1163,7 @@
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 +1200,7 @@
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 +1423,13 @@
{
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 +1674,61 @@
}
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;
+ }
}
--
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