From 31d588a7c9d1b4749740307df2ec0bc0d930ada7 Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: Fri, 10 Apr 2026 16:37:46 +0800
Subject: [PATCH] 自动导入配置
---
ruoyi-common/ruoyi-common-core/src/main/java/com/ruoyi/common/core/utils/poi/ExcelUtil.java | 1246 ++++++++++++++++++++++++++++++++++++++++++++++++----------
1 files changed, 1,028 insertions(+), 218 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 627effa..1320e8b 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
@@ -2,12 +2,16 @@
import java.io.IOException;
import java.io.InputStream;
-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;
@@ -15,26 +19,36 @@
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
-import javax.servlet.http.HttpServletResponse;
+import jakarta.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.ss.usermodel.BorderStyle;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.CellType;
+import org.apache.poi.ss.usermodel.ClientAnchor;
+import org.apache.poi.ss.usermodel.DataFormat;
import org.apache.poi.ss.usermodel.DataValidation;
import org.apache.poi.ss.usermodel.DataValidationConstraint;
import org.apache.poi.ss.usermodel.DataValidationHelper;
import org.apache.poi.ss.usermodel.DateUtil;
+import org.apache.poi.ss.usermodel.Drawing;
import org.apache.poi.ss.usermodel.FillPatternType;
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.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.VerticalAlignment;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.usermodel.WorkbookFactory;
+import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.ss.util.CellRangeAddressList;
+import org.apache.poi.util.IOUtils;
import org.apache.poi.xssf.streaming.SXSSFWorkbook;
+import org.apache.poi.xssf.usermodel.XSSFClientAnchor;
import org.apache.poi.xssf.usermodel.XSSFDataValidation;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -42,19 +56,33 @@
import com.ruoyi.common.core.annotation.Excel.ColumnType;
import com.ruoyi.common.core.annotation.Excel.Type;
import com.ruoyi.common.core.annotation.Excels;
+import com.ruoyi.common.core.exception.UtilException;
import com.ruoyi.common.core.text.Convert;
import com.ruoyi.common.core.utils.DateUtils;
import com.ruoyi.common.core.utils.StringUtils;
+import com.ruoyi.common.core.utils.file.FileTypeUtils;
+import com.ruoyi.common.core.utils.file.ImageUtils;
import com.ruoyi.common.core.utils.reflect.ReflectUtils;
/**
* Excel相关处理
- *
+ *
* @author ruoyi
*/
public class ExcelUtil<T>
{
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 = { "=", "-", "+", "@" };
+
+ /**
+ * 单元格样式缓存
+ */
+ private Map<String, CellStyle> cellStyleCache = new HashMap<String, CellStyle>();
/**
* Excel sheet最大行数，默认65536
@@ -97,26 +125,86 @@
private List<Object[]> fields;
/**
+ * 当前行号
+ */
+ private int rownum;
+
+ /**
+ * 标题
+ */
+ private String title;
+
+ /**
+ * 最大高度
+ */
+ private short maxHeight;
+
+ /**
+ * 合并后最后行数
+ */
+ private int subMergedLastRowNum = 0;
+
+ /**
+ * 合并后开始行数
+ */
+ private int subMergedFirstRowNum = 1;
+
+ /**
+ * 对象的子列表方法
+ */
+ private Map<String, Method> subMethods;
+
+ /**
+ * 对象的子列表属性
+ */
+ private Map<String, List<Field>> subFieldsMap;
+
+ /**
* 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
*/
public Class<T> clazz;
+ /**
+ * 需要显示列属性
+ */
+ public String[] includeFields;
+
+ /**
+ * 需要排除列属性
+ */
+ public String[] excludeFields;
+
public ExcelUtil(Class<T> clazz)
{
this.clazz = clazz;
}
- public void init(List<T> list, String sheetName, Type type)
+ /**
+ * 仅在Excel中显示列属性
+ *
+ * @param fields 列属性名 示例[单个"name"/多个"id","name"]
+ */
+ public void showColumn(String... fields)
+ {
+ this.includeFields = fields;
+ }
+
+ /**
+ * 隐藏Excel中列属性
+ *
+ * @param fields 列属性名 示例[单个"name"/多个"id","name"]
+ */
+ public void hideColumn(String... fields)
+ {
+ this.excludeFields = fields;
+ }
+
+ public void init(List<T> list, String sheetName, String title, Type type)
{
if (list == null)
{
@@ -125,8 +213,73 @@
this.list = list;
this.sheetName = sheetName;
this.type = type;
+ this.title = title;
createExcelField();
createWorkbook();
+ createTitle();
+ createSubHead();
+ }
+
+ /**
+ * 创建excel第一行标题
+ */
+ public void createTitle()
+ {
+ if (StringUtils.isNotEmpty(title))
+ {
+ int titleLastCol = this.fields.size() - 1;
+ if (isSubList())
+ {
+ for (List<Field> currentSubFields : subFieldsMap.values())
+ {
+ titleLastCol = titleLastCol + currentSubFields.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(), 0, titleLastCol));
+ }
+ }
+
+ /**
+ * 创建对象的子列表名称
+ */
+ public void createSubHead()
+ {
+ if (isSubList())
+ {
+ Row subRow = sheet.createRow(rownum);
+ int column = 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(cellStyle);
+ int subFieldSize = subFieldsMap != null ? subFieldsMap.get(field.getName()).size() : 0;
+ if (subFieldSize > 1)
+ {
+ CellRangeAddress cellAddress = new CellRangeAddress(rownum, rownum, column, column + subFieldSize - 1);
+ sheet.addMergedRegion(cellAddress);
+ }
+ column += subFieldSize;
+ }
+ else
+ {
+ Cell cell = subRow.createCell(column++);
+ cell.setCellValue(attr.name());
+ cell.setCellStyle(cellStyle);
+ }
+ }
+ rownum++;
+ }
}
/**
@@ -135,49 +288,70 @@
* @param is 输入流
* @return 转换后集合
*/
- public List<T> importExcel(InputStream is) throws Exception
+ public List<T> importExcel(InputStream is)
{
- return importExcel(StringUtils.EMPTY, 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(StringUtils.EMPTY, is, titleNum);
+ }
+ catch (Exception e)
+ {
+ log.error("导入Excel异常{}", e.getMessage());
+ throw new UtilException(e.getMessage());
+ }
+ finally
+ {
+ IOUtils.closeQuietly(is);
+ }
+ return list;
}
/**
* 对excel表单指定表格索引名转换成list
*
* @param sheetName 表格索引名
+ * @param titleNum 标题占用行数
* @param is 输入流
* @return 转换后集合
*/
- public List<T> importExcel(String sheetName, InputStream is) throws Exception
+ public List<T> importExcel(String sheetName, InputStream is, int titleNum) throws Exception
{
this.type = Type.IMPORT;
this.wb = WorkbookFactory.create(is);
List<T> list = new ArrayList<T>();
- Sheet sheet = null;
- if (StringUtils.isNotEmpty(sheetName))
- {
- // 如果指定sheet名,则取指定sheet中的内容.
- sheet = wb.getSheet(sheetName);
- }
- else
- {
- // 如果传入的sheet名不存在则默认指向第1个sheet.
- sheet = wb.getSheetAt(0);
- }
-
+ // 如果指定sheet名,则取指定sheet中的内容 否则默认指向第1个sheet
+ Sheet sheet = StringUtils.isNotEmpty(sheetName) ? wb.getSheet(sheetName) : wb.getSheetAt(0);
if (sheet == null)
{
throw new IOException("文件sheet不存在");
}
- int rows = sheet.getPhysicalNumberOfRows();
-
+ // 获取最后一个非空行的行下标，比如总行数为n，则返回的为n-1
+ int rows = sheet.getLastRowNum();
if (rows > 0)
{
// 定义一个map用于存放excel列的序号和field.
Map<String, Integer> cellMap = new HashMap<String, Integer>();
// 获取表头
- Row heard = sheet.getRow(0);
- for (int i = 0; i < heard.getPhysicalNumberOfCells(); i++)
+ Row heard = sheet.getRow(titleNum);
+ 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))
@@ -185,62 +359,65 @@
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.
- Field[] allFields = clazz.getDeclaredFields();
- // 定义一个map用于存放列的序号和field.
- Map<Integer, Field> fieldsMap = new HashMap<Integer, Field>();
- for (int col = 0; col < allFields.length; col++)
+ List<Object[]> fields = this.getFields();
+ Map<Integer, Object[]> fieldsMap = new HashMap<Integer, Object[]>();
+ for (Object[] objects : fields)
{
- Field field = allFields[col];
- Excel attr = field.getAnnotation(Excel.class);
- if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
+ Excel attr = (Excel) objects[1];
+ Integer column = cellMap.get(attr.name());
+ if (column != null)
{
- // 设置类的私有字段属性可访问.
- field.setAccessible(true);
- Integer column = cellMap.get(attr.name());
- if (column != null)
- {
- fieldsMap.put(column, field);
- }
+ fieldsMap.put(column, objects);
}
}
- for (int i = 1; i < rows; i++)
+ for (int i = titleNum + 1; i <= rows; i++)
{
// 从第2行开始取数据,默认第一行是表头.
Row row = sheet.getRow(i);
+ // 判断当前行是否是空行
+ if (isRowEmpty(row))
+ {
+ continue;
+ }
T entity = null;
- for (Map.Entry<Integer, Field> entry : fieldsMap.entrySet())
+ for (Map.Entry<Integer, Object[]> entry : fieldsMap.entrySet())
{
Object val = this.getCellValue(row, entry.getKey());
// 如果不存在实例则新建.
- entity = (entity == null ? clazz.newInstance() : entity);
+ entity = (entity == null ? clazz.getDeclaredConstructor().newInstance() : entity);
// 从map中得到对应列的field.
- Field field = fieldsMap.get(entry.getKey());
+ Field field = (Field) entry.getValue()[0];
+ Excel attr = (Excel) entry.getValue()[1];
// 取得类型,并根据对象类型设置值.
Class<?> fieldType = field.getType();
if (String.class == fieldType)
{
String s = Convert.toStr(val);
- if (StringUtils.endsWith(s, ".0"))
+ if (s.matches("^\\d+\\.0$"))
{
val = StringUtils.substringBefore(s, ".0");
}
else
{
- val = Convert.toStr(val);
+ String dateFormat = field.getAnnotation(Excel.class).dateFormat();
+ if (StringUtils.isNotEmpty(dateFormat))
+ {
+ val = parseDateToStr(dateFormat, val);
+ }
+ else
+ {
+ val = Convert.toStr(val);
+ }
}
}
else if ((Integer.TYPE == fieldType || Integer.class == fieldType) && StringUtils.isNumeric(Convert.toStr(val)))
{
val = Convert.toInt(val);
}
- else if (Long.TYPE == fieldType || Long.class == fieldType)
+ else if ((Long.TYPE == fieldType || Long.class == fieldType) && StringUtils.isNumeric(Convert.toStr(val)))
{
val = Convert.toLong(val);
}
@@ -273,15 +450,18 @@
}
if (StringUtils.isNotNull(fieldType))
{
- Excel attr = field.getAnnotation(Excel.class);
String propertyName = field.getName();
if (StringUtils.isNotEmpty(attr.targetAttr()))
{
propertyName = field.getName() + "." + attr.targetAttr();
}
- else if (StringUtils.isNotEmpty(attr.readConverterExp()))
+ if (StringUtils.isNotEmpty(attr.readConverterExp()))
{
val = reverseByExp(Convert.toStr(val), attr.readConverterExp(), attr.separator());
+ }
+ else if (!attr.handler().equals(ExcelHandlerAdapter.class))
+ {
+ val = dataFormatHandlerAdapter(val, attr, null);
}
ReflectUtils.invokeSetter(entity, propertyName, val);
}
@@ -294,33 +474,134 @@
/**
* 对list数据源将其里面的数据导入到excel表单
- *
+ *
* @param response 返回数据
* @param list 导出数据集合
* @param sheetName 工作表的名称
* @return 结果
- * @throws IOException
*/
- public void exportExcel(HttpServletResponse response, List<T> list, String sheetName) throws IOException
+ public void exportExcel(HttpServletResponse response, List<T> list, String sheetName)
{
- response.setContentType("application/vnd.ms-excel");
- response.setCharacterEncoding("utf-8");
- this.init(list, sheetName, Type.EXPORT);
- exportExcel(response.getOutputStream());
+ exportExcel(response, list, sheetName, StringUtils.EMPTY);
}
/**
* 对list数据源将其里面的数据导入到excel表单
- *
+ *
+ * @param response 返回数据
+ * @param list 导出数据集合
+ * @param sheetName 工作表的名称
+ * @param title 标题
+ * @return 结果
+ */
+ public void exportExcel(HttpServletResponse response, List<T> list, String sheetName, String title)
+ {
+ response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
+ response.setCharacterEncoding("utf-8");
+ this.init(list, sheetName, title, Type.EXPORT);
+ exportExcel(response);
+ }
+
+ /**
+ * 多 Sheet 导出 —— 将多个不同类型的数据集合写入同一 Excel，直接输出到 HttpServletResponse
+ *
+ * @param response HTTP 响应
+ * @param sheets Sheet 描述列表
+ */
+ public static void exportMultiSheet(HttpServletResponse response, List<ExcelSheet<?>> sheets)
+ {
+ if (sheets == null || sheets.isEmpty())
+ {
+ return;
+ }
+ SXSSFWorkbook wb = buildWorkbook(sheets);
+ try
+ {
+ response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
+ response.setCharacterEncoding("utf-8");
+ wb.write(response.getOutputStream());
+ }
+ catch (Exception e)
+ {
+ log.error("多Sheet导出Excel异常{}", e.getMessage());
+ }
+ finally
+ {
+ IOUtils.closeQuietly(wb);
+ }
+ }
+
+ /**
+ * 构建多 Sheet Workbook —— 创建 SXSSFWorkbook 并将所有 Sheet 数据写入
+ *
+ * @param sheets Sheet 描述列表
+ * @return 已写入所有 Sheet 数据的 SXSSFWorkbook
+ */
+ @SuppressWarnings({ "rawtypes", "unchecked" })
+ private static SXSSFWorkbook buildWorkbook(List<ExcelSheet<?>> sheets)
+ {
+ SXSSFWorkbook wb = new SXSSFWorkbook(500);
+ for (ExcelSheet<?> excelSheet : sheets)
+ {
+ ExcelUtil util = new ExcelUtil(excelSheet.getClazz());
+ util.initWithWorkbook(wb, excelSheet.getList(), excelSheet.getSheetName(), excelSheet.getTitle());
+ util.writeSheet();
+ }
+ return wb;
+ }
+
+ /**
+ * 使用外部传入的 Workbook 初始化（多 Sheet 导出专用）
+ * 与 init() 的区别：不新建 Workbook，而是在已有 wb 上追加新 Sheet
+ *
+ * @param wb 已有工作簿
+ * @param list 数据集合
+ * @param sheetName Sheet 名称
+ * @param title 大标题（可为空）
+ */
+ public void initWithWorkbook(SXSSFWorkbook wb, List<T> list, String sheetName, String title)
+ {
+ if (list == null)
+ {
+ list = new ArrayList<T>();
+ }
+ this.list = list;
+ this.sheetName = sheetName;
+ this.title = title != null ? title : "";
+ this.type = Type.EXPORT;
+ this.rownum = 0;
+ this.wb = wb;
+ this.sheet = wb.createSheet(sheetName);
+ createExcelField();
+ this.styles = createStyles(wb);
+ createTitle();
+ createSubHead();
+ }
+
+ /**
+ * 对list数据源将其里面的数据导入到excel表单
+ *
* @param sheetName 工作表的名称
* @return 结果
*/
- public void importTemplateExcel(HttpServletResponse response, String sheetName) throws IOException
+ public void importTemplateExcel(HttpServletResponse response, String sheetName)
{
- response.setContentType("application/vnd.ms-excel");
+ importTemplateExcel(response, sheetName, StringUtils.EMPTY);
+ }
+
+ /**
+ * 对list数据源将其里面的数据导入到excel表单
+ *
+ * @param sheetName 工作表的名称
+ * @param title 标题
+ * @return 结果
+ */
+ public void importTemplateExcel(HttpServletResponse response, String sheetName, String title)
+ {
+ response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
response.setCharacterEncoding("utf-8");
- this.init(null, sheetName, Type.IMPORT);
- exportExcel(response.getOutputStream());
+ this.init(null, sheetName, title, Type.IMPORT);
+ exportExcel(response);
}
/**
@@ -328,32 +609,12 @@
*
* @return 结果
*/
- public void exportExcel(OutputStream outputStream)
+ public void exportExcel(HttpServletResponse response)
{
try
{
- // 取出一共有多少个sheet.
- double sheetNo = Math.ceil(list.size() / sheetSize);
- for (int index = 0; index <= sheetNo; index++)
- {
- createSheet(sheetNo, index);
-
- // 产生一行
- Row row = sheet.createRow(0);
- int column = 0;
- // 写入各个字段的列头名称
- for (Object[] os : fields)
- {
- Excel excel = (Excel) os[1];
- this.createCell(excel, row, column++);
- }
- if (Type.EXPORT.equals(type))
- {
- fillExcelData(index, row);
- addStatisticsRow();
- }
- }
- wb.write(outputStream);
+ writeSheet();
+ wb.write(response.getOutputStream());
}
catch (Exception e)
{
@@ -361,27 +622,47 @@
}
finally
{
- if (wb != null)
+ IOUtils.closeQuietly(wb);
+ }
+ }
+
+ /**
+ * 创建写入数据到Sheet
+ */
+ public void writeSheet()
+ {
+ // 取出一共有多少个sheet.
+ int sheetNo = Math.max(1, (int) Math.ceil(list.size() * 1.0 / sheetSize));
+ for (int index = 0; index < sheetNo; index++)
+ {
+ createSheet(sheetNo, index);
+
+ // 产生一行
+ Row row = sheet.createRow(rownum);
+ int column = 0;
+ // 写入各个字段的列头名称
+ for (Object[] os : fields)
{
- try
+ Field field = (Field) os[0];
+ Excel excel = (Excel) os[1];
+ if (Collection.class.isAssignableFrom(field.getType()))
{
- wb.close();
+ List<Field> currentSubFields = subFieldsMap.get(field.getName());
+ for (Field subField : currentSubFields)
+ {
+ Excel subExcel = subField.getAnnotation(Excel.class);
+ this.createHeadCell(subExcel, row, column++);
+ }
}
- catch (IOException e1)
+ else
{
- e1.printStackTrace();
+ this.createHeadCell(excel, row, column++);
}
}
- if (outputStream != null)
+ if (Type.EXPORT.equals(type))
{
- try
- {
- outputStream.close();
- }
- catch (IOException e1)
- {
- e1.printStackTrace();
- }
+ fillExcelData(index);
+ addStatisticsRow();
}
}
}
@@ -390,27 +671,98 @@
* 填充excel数据
*
* @param index 序号
- * @param row 单元格行
*/
- public void fillExcelData(int index, Row row)
+ @SuppressWarnings("unchecked")
+ public void fillExcelData(int index)
{
int startNo = index * sheetSize;
int endNo = Math.min(startNo + sheetSize, list.size());
+ int currentRowNum = rownum + 1; // 从标题行后开始
+
for (int i = startNo; i < endNo; i++)
{
- row = sheet.createRow(i + 1 - startNo);
- // 得到导出对象.
+ Row row = sheet.createRow(currentRowNum);
T vo = (T) list.get(i);
int column = 0;
+ int maxSubListSize = getCurrentMaxSubListSize(vo);
for (Object[] os : fields)
{
Field field = (Field) os[0];
Excel excel = (Excel) os[1];
- // 设置实体类私有属性可访问
- field.setAccessible(true);
- this.addCell(excel, row, vo, field, column++);
+ if (Collection.class.isAssignableFrom(field.getType()))
+ {
+ try
+ {
+ Collection<?> subList = (Collection<?>) getTargetValue(vo, field, excel);
+ List<Field> currentSubFields = subFieldsMap.get(field.getName());
+ if (subList != null && !subList.isEmpty())
+ {
+ int subIndex = 0;
+ for (Object subVo : subList)
+ {
+ Row subRow = sheet.getRow(currentRowNum + subIndex);
+ if (subRow == null)
+ {
+ subRow = sheet.createRow(currentRowNum + subIndex);
+ }
+
+ int subColumn = column;
+ for (Field subField : currentSubFields)
+ {
+ Excel subExcel = subField.getAnnotation(Excel.class);
+ addCell(subExcel, subRow, (T) subVo, subField, subColumn++);
+ }
+ subIndex++;
+ }
+ }
+ column += currentSubFields.size();
+ }
+ catch (Exception e)
+ {
+ log.error("填充集合数据失败", e);
+ }
+ }
+ else
+ {
+ // 创建单元格并设置值
+ addCell(excel, row, vo, field, column);
+ if (maxSubListSize > 1 && excel.needMerge())
+ {
+ sheet.addMergedRegion(new CellRangeAddress(currentRowNum, currentRowNum + maxSubListSize - 1, column, column));
+ }
+ column++;
+ }
+ }
+ currentRowNum += maxSubListSize;
+ }
+ }
+
+ /**
+ * 获取子列表最大数
+ */
+ private int getCurrentMaxSubListSize(T vo)
+ {
+ int maxSubListSize = 1;
+ for (Object[] os : fields)
+ {
+ Field field = (Field) os[0];
+ if (Collection.class.isAssignableFrom(field.getType()))
+ {
+ try
+ {
+ Collection<?> subList = (Collection<?>) getTargetValue(vo, field, (Excel) os[1]);
+ if (subList != null && !subList.isEmpty())
+ {
+ maxSubListSize = Math.max(maxSubListSize, subList.size());
+ }
+ }
+ catch (Exception e)
+ {
+ log.error("获取集合大小失败", e);
+ }
}
}
+ return maxSubListSize;
}
/**
@@ -424,6 +776,18 @@
// 写入各条记录,每条记录对应excel表中的一行
Map<String, CellStyle> styles = new HashMap<String, CellStyle>();
CellStyle style = wb.createCellStyle();
+ style.setAlignment(HorizontalAlignment.CENTER);
+ style.setVerticalAlignment(VerticalAlignment.CENTER);
+ Font titleFont = wb.createFont();
+ titleFont.setFontName("Arial");
+ titleFont.setFontHeightInPoints((short) 16);
+ titleFont.setBold(true);
+ style.setFont(titleFont);
+ DataFormat dataFormat = wb.createDataFormat();
+ style.setDataFormat(dataFormat.getFormat("@"));
+ styles.put("title", style);
+
+ style = wb.createCellStyle();
style.setAlignment(HorizontalAlignment.CENTER);
style.setVerticalAlignment(VerticalAlignment.CENTER);
style.setBorderRight(BorderStyle.THIN);
@@ -441,57 +805,150 @@
styles.put("data", style);
style = wb.createCellStyle();
- style.cloneStyleFrom(styles.get("data"));
style.setAlignment(HorizontalAlignment.CENTER);
style.setVerticalAlignment(VerticalAlignment.CENTER);
- style.setFillForegroundColor(IndexedColors.GREY_50_PERCENT.getIndex());
- style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
- Font headerFont = wb.createFont();
- headerFont.setFontName("Arial");
- headerFont.setFontHeightInPoints((short) 10);
- headerFont.setBold(true);
- headerFont.setColor(IndexedColors.WHITE.getIndex());
- style.setFont(headerFont);
- styles.put("header", style);
-
- 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);
style.setFont(totalFont);
styles.put("total", style);
- style = wb.createCellStyle();
- style.cloneStyleFrom(styles.get("data"));
- style.setAlignment(HorizontalAlignment.LEFT);
- styles.put("data1", style);
+ styles.putAll(annotationHeaderStyles(wb, styles));
- style = wb.createCellStyle();
- style.cloneStyleFrom(styles.get("data"));
- style.setAlignment(HorizontalAlignment.CENTER);
- styles.put("data2", style);
-
- style = wb.createCellStyle();
- style.cloneStyleFrom(styles.get("data"));
- style.setAlignment(HorizontalAlignment.RIGHT);
- styles.put("data3", style);
+ styles.putAll(annotationDataStyles(wb));
return styles;
}
/**
+ * 根据Excel注解创建表格头样式
+ *
+ * @param wb 工作薄对象
+ * @return 自定义样式列表
+ */
+ private Map<String, CellStyle> annotationHeaderStyles(Workbook wb, Map<String, CellStyle> styles)
+ {
+ Map<String, CellStyle> headerStyles = new HashMap<String, CellStyle>();
+ for (Object[] os : fields)
+ {
+ Excel excel = (Excel) os[1];
+ String key = StringUtils.format("header_{}_{}", excel.headerColor(), excel.headerBackgroundColor());
+ if (!headerStyles.containsKey(key))
+ {
+ CellStyle style = wb.createCellStyle();
+ style.cloneStyleFrom(styles.get("data"));
+ style.setAlignment(HorizontalAlignment.CENTER);
+ style.setVerticalAlignment(VerticalAlignment.CENTER);
+ style.setFillForegroundColor(excel.headerBackgroundColor().index);
+ style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
+ Font headerFont = wb.createFont();
+ headerFont.setFontName("Arial");
+ headerFont.setFontHeightInPoints((short) 10);
+ headerFont.setBold(true);
+ headerFont.setColor(excel.headerColor().index);
+ style.setFont(headerFont);
+ // 设置表格头单元格文本形式
+ DataFormat dataFormat = wb.createDataFormat();
+ style.setDataFormat(dataFormat.getFormat("@"));
+ headerStyles.put(key, style);
+ }
+ }
+ return headerStyles;
+ }
+
+ /**
+ * 根据Excel注解创建表格列样式
+ *
+ * @param wb 工作薄对象
+ * @return 自定义样式列表
+ */
+ private Map<String, CellStyle> annotationDataStyles(Workbook wb)
+ {
+ Map<String, CellStyle> styles = new HashMap<String, CellStyle>();
+ for (Object[] os : fields)
+ {
+ Field field = (Field) os[0];
+ Excel excel = (Excel) os[1];
+ if (Collection.class.isAssignableFrom(field.getType()))
+ {
+ ParameterizedType pt = (ParameterizedType) field.getGenericType();
+ Class<?> subClass = (Class<?>) pt.getActualTypeArguments()[0];
+ List<Field> subFields = FieldUtils.getFieldsListWithAnnotation(subClass, Excel.class);
+ for (Field subField : subFields)
+ {
+ Excel subExcel = subField.getAnnotation(Excel.class);
+ annotationDataStyles(styles, subField, subExcel);
+ }
+ }
+ else
+ {
+ annotationDataStyles(styles, field, excel);
+ }
+ }
+ return styles;
+ }
+
+ /**
+ * 根据Excel注解创建表格列样式
+ *
+ * @param styles 自定义样式列表
+ * @param field 属性列信息
+ * @param excel 注解信息
+ */
+ public void annotationDataStyles(Map<String, CellStyle> styles, Field field, Excel excel)
+ {
+ String key = StringUtils.format("data_{}_{}_{}_{}_{}", excel.align(), excel.color(), excel.backgroundColor(), excel.cellType(), excel.wrapText());
+ if (!styles.containsKey(key))
+ {
+ CellStyle style = wb.createCellStyle();
+ style.setAlignment(excel.align());
+ style.setVerticalAlignment(VerticalAlignment.CENTER);
+ style.setBorderRight(BorderStyle.THIN);
+ style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
+ style.setBorderLeft(BorderStyle.THIN);
+ style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
+ style.setBorderTop(BorderStyle.THIN);
+ style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
+ style.setBorderBottom(BorderStyle.THIN);
+ 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);
+ dataFont.setColor(excel.color().index);
+ style.setFont(dataFont);
+ if (ColumnType.TEXT == excel.cellType())
+ {
+ DataFormat dataFormat = wb.createDataFormat();
+ style.setDataFormat(dataFormat.getFormat("@"));
+ }
+ styles.put(key, style);
+ }
+ }
+
+ /**
* 创建单元格
*/
- public Cell createCell(Excel attr, Row row, int column)
+ public Cell createHeadCell(Excel attr, Row row, int column)
{
// 创建列
Cell cell = row.createCell(column);
// 写入列信息
cell.setCellValue(attr.name());
setDataValidation(attr, row, column);
- cell.setCellStyle(styles.get("header"));
+ cell.setCellStyle(styles.get(StringUtils.format("header_{}_{}", attr.headerColor(), attr.headerBackgroundColor())));
+ 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(), attr.wrapText())));
+ if (attr.needMerge())
+ {
+ sheet.addMergedRegion(new CellRangeAddress(rownum - 1, rownum, column, column));
+ }
+ }
return cell;
}
@@ -504,14 +961,67 @@
*/
public void setCellVo(Object value, Excel attr, Cell cell)
{
- if (ColumnType.STRING == attr.cellType())
+ if (ColumnType.STRING == attr.cellType() || ColumnType.TEXT == attr.cellType())
{
- cell.setCellValue(StringUtils.isNull(value) ? attr.defaultValue() : value + attr.suffix());
+ String cellValue = Convert.toStr(value);
+ // 对于任何以表达式触发字符 =-+@开头的单元格，直接使用tab字符作为前缀，防止CSV注入。
+ 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());
}
else if (ColumnType.NUMERIC == attr.cellType())
{
- cell.setCellValue(StringUtils.contains(Convert.toStr(value), ".") ? Convert.toDouble(value) : Convert.toInt(value));
+ if (StringUtils.isNotNull(value))
+ {
+ cell.setCellValue(StringUtils.contains(Convert.toStr(value), ".") ? Convert.toDouble(value) : Convert.toInt(value));
+ }
}
+ else if (ColumnType.IMAGE == attr.cellType())
+ {
+ ClientAnchor anchor = new XSSFClientAnchor(0, 0, 0, 0, (short) cell.getColumnIndex(), cell.getRow().getRowNum(), (short) (cell.getColumnIndex() + 1), cell.getRow().getRowNum() + 1);
+ String imagePath = Convert.toStr(value);
+ if (StringUtils.isNotEmpty(imagePath))
+ {
+ byte[] data = ImageUtils.getImage(imagePath);
+ getDrawingPatriarch(cell.getSheet()).createPicture(anchor,
+ cell.getSheet().getWorkbook().addPicture(data, getImageType(data)));
+ }
+ }
+ }
+
+ /**
+ * 获取画布
+ */
+ public static Drawing<?> getDrawingPatriarch(Sheet sheet)
+ {
+ if (sheet.getDrawingPatriarch() == null)
+ {
+ sheet.createDrawingPatriarch();
+ }
+ return sheet.getDrawingPatriarch();
+ }
+
+ /**
+ * 获取图片类型,设置图片插入类型
+ */
+ public int getImageType(byte[] value)
+ {
+ String type = FileTypeUtils.getFileExtendName(value);
+ if ("JPG".equalsIgnoreCase(type))
+ {
+ return Workbook.PICTURE_TYPE_JPEG;
+ }
+ else if ("PNG".equalsIgnoreCase(type))
+ {
+ return Workbook.PICTURE_TYPE_PNG;
+ }
+ return Workbook.PICTURE_TYPE_JPEG;
}
/**
@@ -527,39 +1037,46 @@
{
// 设置列宽
sheet.setColumnWidth(column, (int) ((attr.width() + 0.72) * 256));
- row.setHeight((short) (attr.height() * 20));
}
- // 如果设置了提示信息则鼠标放上去提示.
- if (StringUtils.isNotEmpty(attr.prompt()))
+ if (StringUtils.isNotEmpty(attr.prompt()) || attr.combo().length > 0)
{
- // 这里默认设了2-101列提示.
- setXSSFPrompt(sheet, "", attr.prompt(), 1, 100, column, column);
- }
- // 如果设置了combo属性则本列只能选择不能输入
- if (attr.combo().length > 0)
- {
- // 这里默认设了2-101列只能选择不能输入.
- setXSSFValidation(sheet, attr.combo(), 1, 100, column, column);
+ if (attr.combo().length > 15 || StringUtils.join(attr.combo()).length() > 255)
+ {
+ // 如果下拉数大于15或字符串长度大于255，则使用一个新sheet存储，避免生成的模板下拉值获取不到
+ setXSSFValidationWithHidden(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
+ }
+ else
+ {
+ // 提示信息或只能选择不能输入的列内容.
+ setPromptOrValidation(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);
+ }
}
}
/**
* 添加单元格
*/
+ @SuppressWarnings("deprecation")
public Cell addCell(Excel attr, Row row, T vo, Field field, int column)
{
Cell cell = null;
try
{
// 设置行高
- row.setHeight((short) (attr.height() * 20));
+ row.setHeight(maxHeight);
// 根据Excel中设置情况决定是否导出,有些情况需要保持为空,希望用户填写这一列.
if (attr.isExport())
{
// 创建cell
cell = row.createCell(column);
- int align = attr.align().value();
- cell.setCellStyle(styles.get("data" + (align >= 1 && align <= 3 ? align : "")));
+ 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(), attr.wrapText())));
// 用于读取对象中的属性
Object value = getTargetValue(vo, field, attr);
@@ -568,7 +1085,8 @@
String separator = attr.separator();
if (StringUtils.isNotEmpty(dateFormat) && StringUtils.isNotNull(value))
{
- cell.setCellValue(DateUtils.parseDateToStr(dateFormat, (Date) value));
+ cell.setCellStyle(createCellStyle(cell.getCellStyle(), dateFormat));
+ cell.setCellValue(parseDateToStr(dateFormat, value));
}
else if (StringUtils.isNotEmpty(readConverterExp) && StringUtils.isNotNull(value))
{
@@ -576,7 +1094,11 @@
}
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))
+ {
+ cell.setCellValue(dataFormatHandlerAdapter(value, attr, cell));
}
else
{
@@ -594,48 +1116,118 @@
}
/**
- * 设置 POI XSSFSheet 单元格提示
+ * 使用自定义格式，同时避免样式污染
+ *
+ * @param cellStyle 从此样式复制
+ * @param format 格式匹配的字符串
+ * @return 格式化后CellStyle对象
+ */
+ private CellStyle createCellStyle(CellStyle cellStyle, String format)
+ {
+ String key = cellStyle.getIndex() + "|" + format;
+ CellStyle cached = cellStyleCache.get(key);
+ if (cached != null)
+ {
+ return cached;
+ }
+ CellStyle style = wb.createCellStyle();
+ style.cloneStyleFrom(cellStyle);
+ style.setDataFormat(wb.getCreationHelper().createDataFormat().getFormat(format));
+ cellStyleCache.put(key, style);
+ return style;
+ }
+
+ /**
+ * 设置 POI XSSFSheet 单元格提示或选择框
*
* @param sheet 表单
- * @param promptTitle 提示标题
+ * @param textlist 下拉框显示的内容
* @param promptContent 提示内容
* @param firstRow 开始行
* @param endRow 结束行
* @param firstCol 开始列
* @param endCol 结束列
*/
- public void setXSSFPrompt(Sheet sheet, String promptTitle, String promptContent, int firstRow, int endRow,
+ public void setPromptOrValidation(Sheet sheet, String[] textlist, String promptContent, int firstRow, int endRow,
int firstCol, int endCol)
{
DataValidationHelper helper = sheet.getDataValidationHelper();
- DataValidationConstraint constraint = helper.createCustomConstraint("DD1");
+ DataValidationConstraint constraint = textlist.length > 0 ? helper.createExplicitListConstraint(textlist) : helper.createCustomConstraint("DD1");
CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol);
DataValidation dataValidation = helper.createValidation(constraint, regions);
- dataValidation.createPromptBox(promptTitle, promptContent);
- dataValidation.setShowPromptBox(true);
+ if (StringUtils.isNotEmpty(promptContent))
+ {
+ // 如果设置了提示信息则鼠标放上去提示
+ dataValidation.createPromptBox("", promptContent);
+ dataValidation.setShowPromptBox(true);
+ }
+ // 处理Excel兼容性问题
+ if (dataValidation instanceof XSSFDataValidation)
+ {
+ dataValidation.setSuppressDropDownArrow(true);
+ dataValidation.setShowErrorBox(true);
+ }
+ else
+ {
+ dataValidation.setSuppressDropDownArrow(false);
+ }
sheet.addValidationData(dataValidation);
}
/**
- * 设置某些列的值只能输入预制的数据,显示下拉框.
+ * 设置某些列的值只能输入预制的数据,显示下拉框（兼容超出一定数量的下拉框）.
*
* @param sheet 要设置的sheet.
* @param textlist 下拉框显示的内容
+ * @param promptContent 提示内容
* @param firstRow 开始行
* @param endRow 结束行
* @param firstCol 开始列
* @param endCol 结束列
- * @return 设置好的sheet.
*/
- public void setXSSFValidation(Sheet sheet, String[] textlist, int firstRow, int endRow, int firstCol, int endCol)
+ public void setXSSFValidationWithHidden(Sheet sheet, String[] textlist, String promptContent, int firstRow, int endRow, int firstCol, int endCol)
{
+ String hideSheetName = "combo_" + firstCol + "_" + endCol;
+ Sheet hideSheet = null;
+ String hideSheetDataName = hideSheetName + "_data";
+ Name name = wb.getName(hideSheetDataName);
+ if (name != null)
+ {
+ // 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);
+ }
+ }
+
+ 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.createExplicitListConstraint(textlist);
+ 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
DataValidation dataValidation = helper.createValidation(constraint, regions);
+ if (StringUtils.isNotEmpty(promptContent))
+ {
+ // 如果设置了提示信息则鼠标放上去提示
+ dataValidation.createPromptBox("", promptContent);
+ dataValidation.setShowPromptBox(true);
+ }
// 处理Excel兼容性问题
if (dataValidation instanceof XSSFDataValidation)
{
@@ -648,6 +1240,8 @@
}
sheet.addValidationData(dataValidation);
+ // 设置hiddenSheet隐藏
+ wb.setSheetHidden(wb.getSheetIndex(hideSheet), true);
}
/**
@@ -661,11 +1255,11 @@
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("=");
- if (StringUtils.containsAny(separator, propertyValue))
+ if (StringUtils.containsAny(propertyValue, separator))
{
for (String value : propertyValue.split(separator))
{
@@ -698,11 +1292,11 @@
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("=");
- if (StringUtils.containsAny(separator, propertyValue))
+ if (StringUtils.containsAny(propertyValue, separator))
{
for (String value : propertyValue.split(separator))
{
@@ -722,6 +1316,28 @@
}
}
return StringUtils.stripEnd(propertyString.toString(), separator);
+ }
+
+ /**
+ * 数据处理器
+ *
+ * @param value 数据值
+ * @param excel 数据注解
+ * @return
+ */
+ public String dataFormatHandlerAdapter(Object value, Excel excel, Cell cell)
+ {
+ try
+ {
+ Object instance = excel.handler().getDeclaredConstructor().newInstance();
+ Method formatMethod = excel.handler().getMethod("format", new Class[] { Object.class, String[].class, Cell.class, Workbook.class });
+ value = formatMethod.invoke(instance, value, excel.args(), cell, this.wb);
+ }
+ catch (Exception e)
+ {
+ log.error("不能格式化数据 " + excel.handler(), e.getMessage());
+ }
+ return Convert.toStr(value);
}
/**
@@ -754,10 +1370,9 @@
{
if (statistics.size() > 0)
{
- Cell cell = null;
Row row = sheet.createRow(sheet.getLastRowNum() + 1);
Set<Integer> keys = statistics.keySet();
- cell = row.createCell(0);
+ Cell cell = row.createCell(0);
cell.setCellStyle(styles.get("total"));
cell.setCellValue("合计");
@@ -765,7 +1380,7 @@
{
cell = row.createCell(key);
cell.setCellStyle(styles.get("total"));
- cell.setCellValue(DOUBLE_FORMAT.format(statistics.get(key)));
+ cell.setCellValue(statistics.get(key));
}
statistics.clear();
}
@@ -773,7 +1388,7 @@
/**
* 获取bean中的属性值
- *
+ *
* @param vo 实体对象
* @param field 字段
* @param excel 注解
@@ -782,11 +1397,12 @@
*/
private Object getTargetValue(T vo, Field field, Excel excel) throws Exception
{
+ field.setAccessible(true);
Object o = field.get(vo);
if (StringUtils.isNotEmpty(excel.targetAttr()))
{
String target = excel.targetAttr();
- if (target.indexOf(".") > -1)
+ if (target.contains("."))
{
String[] targets = target.split("[.]");
for (String name : targets)
@@ -804,7 +1420,7 @@
/**
* 以类的属性的get方法方法形式获取值
- *
+ *
* @param o
* @param name
* @return value
@@ -812,7 +1428,7 @@
*/
private Object getValue(Object o, String name) throws Exception
{
- if (StringUtils.isNotEmpty(name))
+ if (StringUtils.isNotNull(o) && StringUtils.isNotEmpty(name))
{
Class<?> clazz = o.getClass();
Field field = clazz.getDeclaredField(name);
@@ -827,41 +1443,114 @@
*/
private void createExcelField()
{
- this.fields = new ArrayList<Object[]>();
- List<Field> tempFields = new ArrayList<>();
- tempFields.addAll(Arrays.asList(clazz.getSuperclass().getDeclaredFields()));
- tempFields.addAll(Arrays.asList(clazz.getDeclaredFields()));
- for (Field field : tempFields)
- {
- // 单注解
- if (field.isAnnotationPresent(Excel.class))
- {
- putToField(field, field.getAnnotation(Excel.class));
- }
-
- // 多注解
- if (field.isAnnotationPresent(Excels.class))
- {
- Excels attrs = field.getAnnotation(Excels.class);
- Excel[] excels = attrs.value();
- for (Excel excel : excels)
- {
- putToField(field, excel);
- }
- }
- }
+ this.fields = getFields();
this.fields = this.fields.stream().sorted(Comparator.comparing(objects -> ((Excel) objects[1]).sort())).collect(Collectors.toList());
+ this.maxHeight = getRowHeight();
}
/**
- * 放到字段集合中
+ * 获取字段注解信息
*/
- private void putToField(Field field, Excel attr)
+ public List<Object[]> getFields()
{
- if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
+ List<Object[]> fields = new ArrayList<Object[]>();
+ List<Field> tempFields = new ArrayList<>();
+ subFieldsMap = new HashMap<>();
+ subMethods = new HashMap<>();
+ tempFields.addAll(Arrays.asList(clazz.getSuperclass().getDeclaredFields()));
+ tempFields.addAll(Arrays.asList(clazz.getDeclaredFields()));
+ if (StringUtils.isNotEmpty(includeFields))
{
- this.fields.add(new Object[] { field, attr });
+ for (Field field : tempFields)
+ {
+ if (ArrayUtils.contains(this.includeFields, field.getName()) || field.isAnnotationPresent(Excels.class))
+ {
+ addField(fields, field);
+ }
+ }
}
+ else if (StringUtils.isNotEmpty(excludeFields))
+ {
+ for (Field field : tempFields)
+ {
+ if (!ArrayUtils.contains(this.excludeFields, field.getName()))
+ {
+ addField(fields, field);
+ }
+ }
+ }
+ else
+ {
+ for (Field field : tempFields)
+ {
+ addField(fields, field);
+ }
+ }
+ return fields;
+ }
+
+ /**
+ * 添加字段信息
+ */
+ public void addField(List<Object[]> fields, Field field)
+ {
+ // 单注解
+ if (field.isAnnotationPresent(Excel.class))
+ {
+ Excel attr = field.getAnnotation(Excel.class);
+ if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
+ {
+ fields.add(new Object[] { field, attr });
+ }
+ if (Collection.class.isAssignableFrom(field.getType()))
+ {
+ String fieldName = field.getName();
+ subMethods.put(fieldName, getSubMethod(fieldName, clazz));
+ ParameterizedType pt = (ParameterizedType) field.getGenericType();
+ Class<?> subClass = (Class<?>) pt.getActualTypeArguments()[0];
+ subFieldsMap.put(fieldName, FieldUtils.getFieldsListWithAnnotation(subClass, Excel.class));
+ }
+ }
+
+ // 多注解
+ if (field.isAnnotationPresent(Excels.class))
+ {
+ Excels attrs = field.getAnnotation(Excels.class);
+ Excel[] excels = attrs.value();
+ for (Excel attr : excels)
+ {
+ if (StringUtils.isNotEmpty(includeFields))
+ {
+ if (ArrayUtils.contains(this.includeFields, field.getName() + "." + attr.targetAttr())
+ && (attr != null && (attr.type() == Type.ALL || attr.type() == type)))
+ {
+ fields.add(new Object[] { field, attr });
+ }
+ }
+ else
+ {
+ if (!ArrayUtils.contains(this.excludeFields, field.getName() + "." + attr.targetAttr())
+ && (attr != null && (attr.type() == Type.ALL || attr.type() == type)))
+ {
+ fields.add(new Object[] { field, attr });
+ }
+ }
+ }
+ }
+ }
+
+ /**
+ * 根据注解获取最大行高
+ */
+ public short getRowHeight()
+ {
+ double maxHeight = 0;
+ for (Object[] os : this.fields)
+ {
+ Excel excel = (Excel) os[1];
+ maxHeight = Math.max(maxHeight, excel.height());
+ }
+ return (short) (maxHeight * 20);
}
/**
@@ -870,6 +1559,9 @@
public void createWorkbook()
{
this.wb = new SXSSFWorkbook(500);
+ this.sheet = wb.createSheet();
+ wb.setSheetName(0, sheetName);
+ this.styles = createStyles(wb);
}
/**
@@ -878,18 +1570,15 @@
* @param sheetNo sheet数量
* @param index 序号
*/
- public void createSheet(double sheetNo, int index)
+ public void createSheet(int sheetNo, int index)
{
- this.sheet = wb.createSheet();
- this.styles = createStyles(wb);
// 设置工作表的名称.
- if (sheetNo == 0)
+ if (sheetNo > 1 && index > 0)
{
- wb.setSheetName(index, sheetName);
- }
- else
- {
- wb.setSheetName(index, sheetName + index);
+ this.sheet = wb.createSheet();
+ this.createTitle();
+ int actualIndex = wb.getSheetIndex(this.sheet);
+ wb.setSheetName(actualIndex, sheetName + index);
}
}
@@ -921,7 +1610,7 @@
}
else
{
- if ((Double) val % 1 > 0)
+ if ((Double) val % 1 != 0)
{
val = new BigDecimal(val.toString());
}
@@ -952,4 +1641,125 @@
}
return val;
}
-}
\ No newline at end of file
+
+ /**
+ * 判断是否是空行
+ *
+ * @param row 判断的行
+ * @return
+ */
+ private boolean isRowEmpty(Row row)
+ {
+ if (row == null)
+ {
+ return true;
+ }
+ for (int i = row.getFirstCellNum(); i < row.getLastCellNum(); i++)
+ {
+ Cell cell = row.getCell(i);
+ if (cell != null && cell.getCellType() != CellType.BLANK)
+ {
+ return false;
+ }
+ }
+ return true;
+ }
+
+ /**
+ * 格式化不同类型的日期对象
+ *
+ * @param dateFormat 日期格式
+ * @param val 被格式化的日期对象
+ * @return 格式化后的日期字符
+ */
+ public String parseDateToStr(String dateFormat, Object val)
+ {
+ if (val == null)
+ {
+ return "";
+ }
+ String str;
+ if (val instanceof Date)
+ {
+ str = DateUtils.parseDateToStr(dateFormat, (Date) val);
+ }
+ else if (val instanceof LocalDateTime)
+ {
+ str = DateUtils.parseDateToStr(dateFormat, DateUtils.toDate((LocalDateTime) val));
+ }
+ else if (val instanceof LocalDate)
+ {
+ str = DateUtils.parseDateToStr(dateFormat, DateUtils.toDate((LocalDate) val));
+ }
+ else
+ {
+ str = val.toString();
+ }
+ return str;
+ }
+
+ /**
+ * 是否有对象的子列表
+ */
+ public boolean isSubList()
+ {
+ return !StringUtils.isEmpty(subFieldsMap);
+ }
+
+ /**
+ * 是否有对象的子列表，集合不为空
+ */
+ public boolean isSubListValue(T vo)
+ {
+ return !StringUtils.isEmpty(subFieldsMap) && getListCellValue(vo) > 0;
+ }
+
+ /**
+ * 获取集合的值
+ */
+ public int getListCellValue(Object obj)
+ {
+ Collection<?> value;
+ int max = 0;
+ try
+ {
+ for (String s : subMethods.keySet())
+ {
+ value = (Collection<?>) subMethods.get(s).invoke(obj);
+ if (value.size() > max)
+ {
+ max = value.size();
+ }
+ }
+ }
+ catch (Exception e)
+ {
+ return 0;
+ }
+ return max;
+ }
+
+ /**
+ * 获取对象的子列表方法
+ *
+ * @param name 名称
+ * @param pojoClass 类对象
+ * @return 子列表方法
+ */
+ 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("获取对象异常{}", e.getMessage());
+ }
+ return method;
+ }
+}
--
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