From 90cbabb7a7a4b0dc5cf76f926b6cd63b989099f4 Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: Thu, 04 Dec 2025 16:42:55 +0800
Subject: [PATCH] 优化代码
---
ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java | 154 ++++++++++++++++++++++++++++++--------------------
1 files changed, 92 insertions(+), 62 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 0bd2cb9..cae159e 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
@@ -73,6 +73,8 @@
{
private static final Logger log = LoggerFactory.getLogger(ExcelUtil.class);
+ public static final String SEPARATOR = ",";
+
public static final String FORMULA_REGEX_STR = "=|-|\\+|@";
public static final String[] FORMULA_STR = { "=", "-", "+", "@" };
@@ -145,22 +147,17 @@
/**
* 对象的子列表方法
*/
- private Method subMethod;
+ private Map<String, Method> subMethods = new HashMap<>();
/**
* 对象的子列表属性
*/
- private List<Field> subFields;
+ private Map<String, List<Field>> subFieldsMap = new HashMap<>();
/**
* 统计列表
*/
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
@@ -228,7 +225,7 @@
int titleLastCol = this.fields.size() - 1;
if (isSubList())
{
- titleLastCol = titleLastCol + subFields.size() - 1;
+ titleLastCol = titleLastCol + subFieldsMap.values().size() - 1;
}
Row titleRow = sheet.createRow(rownum == 0 ? rownum++ : 0);
titleRow.setHeightInPoints(30);
@@ -248,16 +245,17 @@
{
Row subRow = sheet.createRow(rownum);
int column = 0;
- int subFieldSize = subFields != null ? subFields.size() : 0;
for (Object[] objects : fields)
{
Field field = (Field) objects[0];
Excel attr = (Excel) objects[1];
+ 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(styles.get(StringUtils.format("header_{}_{}", attr.headerColor(), attr.headerBackgroundColor())));
+ 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);
@@ -269,7 +267,7 @@
{
Cell cell = subRow.createCell(column++);
cell.setCellValue(attr.name());
- cell.setCellStyle(styles.get(StringUtils.format("header_{}_{}", attr.headerColor(), attr.headerBackgroundColor())));
+ cell.setCellStyle(cellStyle);
}
}
rownum++;
@@ -284,10 +282,22 @@
*/
public List<T> importExcel(InputStream is)
{
+ return importExcel(is, 0);
+ }
+
+ /**
+ * 对excel表单默认第一个索引名转换成list
+ *
+ * @param is 输入流
+ * @param titleNum 标题占用行数
+ * @return 转换后集合
+ */
+ public List<T> importExcel(InputStream is, int titleNum)
+ {
List<T> list = null;
try
{
- list = importExcel(is, 0);
+ list = importExcel(StringUtils.EMPTY, is, titleNum);
}
catch (Exception e)
{
@@ -299,18 +309,6 @@
IOUtils.closeQuietly(is);
}
return list;
- }
-
- /**
- * 对excel表单默认第一个索引名转换成list
- *
- * @param is 输入流
- * @param titleNum 标题占用行数
- * @return 转换后集合
- */
- public List<T> importExcel(InputStream is, int titleNum) throws Exception
- {
- return importExcel(StringUtils.EMPTY, is, titleNum);
}
/**
@@ -341,17 +339,17 @@
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.
@@ -390,7 +388,7 @@
if (String.class == fieldType)
{
String s = Convert.toStr(val);
- if (StringUtils.endsWith(s, ".0"))
+ if (s.matches("^\\d+\\.0$"))
{
val = StringUtils.substringBefore(s, ".0");
}
@@ -565,7 +563,8 @@
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++);
@@ -578,7 +577,7 @@
}
if (Type.EXPORT.equals(type))
{
- fillExcelData(index, row);
+ fillExcelData(index);
addStatisticsRow();
}
}
@@ -588,10 +587,9 @@
* 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());
@@ -599,7 +597,7 @@
for (int i = startNo; i < endNo; i++)
{
- row = sheet.createRow(currentRowNum);
+ Row row = sheet.createRow(currentRowNum);
T vo = (T) list.get(i);
int column = 0;
int maxSubListSize = getCurrentMaxSubListSize(vo);
@@ -615,6 +613,7 @@
if (subList != null && !subList.isEmpty())
{
int subIndex = 0;
+ List<Field> currentSubFields = subFieldsMap.get(field.getName());
for (Object subVo : subList)
{
Row subRow = sheet.getRow(currentRowNum + subIndex);
@@ -624,14 +623,14 @@
}
int subColumn = column;
- for (Field subField : subFields)
+ for (Field subField : currentSubFields)
{
Excel subExcel = subField.getAnnotation(Excel.class);
addCell(subExcel, subRow, (T) subVo, subField, subColumn++);
}
subIndex++;
}
- column += subFields.size();
+ column += currentSubFields.size();
}
}
catch (Exception e)
@@ -724,6 +723,7 @@
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);
@@ -814,7 +814,7 @@
*/
public void annotationDataStyles(Map<String, CellStyle> styles, Field field, Excel excel)
{
- String key = StringUtils.format("data_{}_{}_{}_{}", excel.align(), excel.color(), excel.backgroundColor(), excel.cellType());
+ String key = StringUtils.format("data_{}_{}_{}_{}_{}", excel.align(), excel.color(), excel.backgroundColor(), excel.cellType(), excel.wrapText());
if (!styles.containsKey(key))
{
CellStyle style = wb.createCellStyle();
@@ -830,6 +830,7 @@
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);
@@ -858,7 +859,7 @@
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(), attr.cellType())));
+ 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));
@@ -983,14 +984,14 @@
{
// 创建cell
cell = row.createCell(column);
- if (isSubListValue(vo) && getListCellValue(vo).size() > 1 && attr.needMerge())
+ if (isSubListValue(vo) && getListCellValue(vo) > 1 && attr.needMerge())
{
if (subMergedLastRowNum >= subMergedFirstRowNum)
{
sheet.addMergedRegion(new CellRangeAddress(subMergedFirstRowNum, subMergedLastRowNum, column, column));
}
}
- cell.setCellStyle(styles.get(StringUtils.format("data_{}_{}_{}_{}", attr.align(), attr.color(), attr.backgroundColor(), attr.cellType())));
+ 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);
@@ -999,6 +1000,7 @@
String separator = attr.separator();
if (StringUtils.isNotEmpty(dateFormat) && StringUtils.isNotNull(value))
{
+ cell.getCellStyle().setDataFormat(this.wb.getCreationHelper().createDataFormat().getFormat(dateFormat));
cell.setCellValue(parseDateToStr(dateFormat, value));
}
else if (StringUtils.isNotEmpty(readConverterExp) && StringUtils.isNotNull(value))
@@ -1079,18 +1081,36 @@
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); // 用于存储 下拉菜单数据
- for (int i = 0; i < textlist.length; i++)
+ Sheet hideSheet = null;
+ String hideSheetDataName = hideSheetName + "_data";
+ Name name = wb.getName(hideSheetDataName);
+ if (name != null)
{
- hideSheet.createRow(i).createCell(0).setCellValue(textlist[i]);
+ // 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);
+ }
}
- // 创建名称，可被其他单元格引用
- Name name = wb.createName();
- name.setNameName(hideSheetName + "_data");
- name.setRefersToFormula(hideSheetName + "!$A$1:$A$" + textlist.length);
+
+ if (hideSheet == null)
+ {
+ hideSheet = wb.createSheet(hideSheetName); // 用于存储 下拉菜单数据
+ for (int i = 0; i < textlist.length; i++)
+ {
+ hideSheet.createRow(i).createCell(0).setCellValue(textlist[i]);
+ }
+ // 创建名称，可被其他单元格引用
+ name = wb.createName();
+ name.setNameName(hideSheetDataName);
+ name.setRefersToFormula(hideSheetName + "!$A$1:$A$" + textlist.length);
+ }
+
DataValidationHelper helper = sheet.getDataValidationHelper();
// 加载下拉列表内容
- DataValidationConstraint constraint = helper.createFormulaListConstraint(hideSheetName + "_data");
+ 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
@@ -1128,7 +1148,7 @@
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("=");
@@ -1165,7 +1185,7 @@
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("=");
@@ -1253,7 +1273,7 @@
{
cell = row.createCell(key);
cell.setCellStyle(styles.get("total"));
- cell.setCellValue(DOUBLE_FORMAT.format(statistics.get(key)));
+ cell.setCellValue(statistics.get(key));
}
statistics.clear();
}
@@ -1375,10 +1395,11 @@
}
if (Collection.class.isAssignableFrom(field.getType()))
{
- subMethod = getSubMethod(field.getName(), clazz);
+ String fieldName = field.getName();
+ subMethods.put(fieldName, getSubMethod(fieldName, clazz));
ParameterizedType pt = (ParameterizedType) field.getGenericType();
Class<?> subClass = (Class<?>) pt.getActualTypeArguments()[0];
- this.subFields = FieldUtils.getFieldsListWithAnnotation(subClass, Excel.class);
+ subFieldsMap.put(fieldName, FieldUtils.getFieldsListWithAnnotation(subClass, Excel.class));
}
}
@@ -1447,7 +1468,8 @@
{
this.sheet = wb.createSheet();
this.createTitle();
- wb.setSheetName(index, sheetName + index);
+ int actualIndex = wb.getSheetIndex(this.sheet);
+ wb.setSheetName(actualIndex, sheetName + index);
}
}
@@ -1572,7 +1594,7 @@
*/
public boolean isSubList()
{
- return StringUtils.isNotNull(subFields) && subFields.size() > 0;
+ return !StringUtils.isEmpty(subFieldsMap);
}
/**
@@ -1580,24 +1602,32 @@
*/
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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