package utils.poi;
|
|
import annotation.Excel;
|
import annotation.Excels;
|
import jakarta.servlet.http.HttpServletResponse;
|
import org.apache.poi.ss.usermodel.*;
|
import org.apache.poi.ss.util.CellRangeAddressList;
|
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;
|
import pojo.ExcelExp;
|
import utils.DateUtils;
|
import utils.StringUtils;
|
import utils.file.FileTypeUtils;
|
import utils.file.ImageUtils;
|
import utils.reflect.ReflectUtils;
|
import utils.text.Convert;
|
|
import java.io.IOException;
|
import java.io.InputStream;
|
import java.io.OutputStream;
|
import java.lang.reflect.Field;
|
import java.math.BigDecimal;
|
import java.text.DecimalFormat;
|
import java.util.*;
|
import java.util.stream.Collectors;
|
|
/**
|
* Excel相关处理
|
*
|
* @author ruoyi
|
*/
|
public class ExcelUtilManySheet<T> {
|
private static final Logger log = LoggerFactory.getLogger(ExcelUtil.class);
|
|
/**
|
* Excel sheet最大行数，默认65536
|
*/
|
public static final int sheetSize = 65536;
|
|
/**
|
* 工作表名称
|
*/
|
private String sheetName;
|
|
/**
|
* 导出类型（EXPORT:导出数据；IMPORT：导入模板）
|
*/
|
private Excel.Type type;
|
|
/**
|
* 工作薄对象
|
*/
|
private Workbook wb;
|
|
/**
|
* 工作表对象
|
*/
|
private Sheet sheet;
|
|
/**
|
* 样式列表
|
*/
|
private Map<String, CellStyle> styles;
|
|
/**
|
* 导入导出数据列表
|
*/
|
private List<T> list;
|
|
/**
|
* 注解列表
|
*/
|
private List<Object[]> fields;
|
|
/**
|
* 最大高度
|
*/
|
private short maxHeight;
|
|
/**
|
* 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;
|
|
public List<ExcelExp> clazzlist;
|
|
public ExcelUtilManySheet(List<ExcelExp> clazzlist) {
|
this.clazzlist = clazzlist;
|
}
|
|
public void init(List<T> list, String sheetName, Excel.Type type) {
|
if (list == null) {
|
list = new ArrayList<T>();
|
}
|
this.list = list;
|
this.sheetName = sheetName;
|
this.type = type;
|
createExcelField();
|
}
|
|
/**
|
* 对excel表单默认第一个索引名转换成list
|
*
|
* @param is 输入流
|
* @return 转换后集合
|
*/
|
public List<T> importExcel(InputStream is) throws Exception {
|
return importExcel(StringUtils.EMPTY, is);
|
}
|
|
/**
|
* 对excel表单指定表格索引名转换成list
|
*
|
* @param sheetName 表格索引名
|
* @param is 输入流
|
* @return 转换后集合
|
*/
|
public List<T> importExcel(String sheetName, InputStream is) throws Exception {
|
this.type = Excel.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);
|
}
|
|
if (sheet == null) {
|
throw new IOException("文件sheet不存在");
|
}
|
|
int rows = sheet.getPhysicalNumberOfRows();
|
|
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++) {
|
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.
|
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++) {
|
Field field = allFields[col];
|
Excel attr = field.getAnnotation(Excel.class);
|
if (attr != null && (attr.type() == Excel.Type.ALL || attr.type() == type)) {
|
// 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);
|
}
|
}
|
}
|
for (int i = 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);
|
T entity = null;
|
for (Map.Entry<Integer, Field> 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);
|
// 从map中得到对应列的field.
|
Field field = fieldsMap.get(entry.getKey());
|
// 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")) {
|
val = StringUtils.substringBefore(s, ".0");
|
} else {
|
String dateFormat = field.getAnnotation(Excel.class).dateFormat();
|
if (StringUtils.isNotEmpty(dateFormat)) {
|
val = DateUtils.parseDateToStr(dateFormat, (Date) 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) {
|
val = Convert.toLong(val);
|
} else if (Double.TYPE == fieldType || Double.class == fieldType) {
|
val = Convert.toDouble(val);
|
} else if (Float.TYPE == fieldType || Float.class == fieldType) {
|
val = Convert.toFloat(val);
|
} else if (BigDecimal.class == fieldType) {
|
val = Convert.toBigDecimal(val);
|
} else if (Date.class == fieldType) {
|
if (val instanceof String) {
|
val = DateUtils.parseDate(val);
|
} else if (val instanceof Double) {
|
val = DateUtil.getJavaDate((Double) val);
|
}
|
} else if (Boolean.TYPE == fieldType || Boolean.class == fieldType) {
|
val = Convert.toBool(val, false);
|
}
|
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())) {
|
val = reverseByExp(Convert.toStr(val), attr.readConverterExp(), attr.separator());
|
}
|
ReflectUtils.invokeSetter(entity, propertyName, val);
|
}
|
}
|
list.add(entity);
|
}
|
}
|
return list;
|
}
|
|
/**
|
* 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 {
|
response.setContentType("application/vnd.ms-excel");
|
response.setCharacterEncoding("utf-8");
|
this.init(list, sheetName, Excel.Type.EXPORT);
|
exportExcel(response.getOutputStream());
|
}
|
|
/**
|
* 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
|
* @return 结果
|
* @throws IOException
|
*/
|
public void exportExcelManySheet(HttpServletResponse response, List<ExcelExp> list) throws IOException {
|
response.setContentType("application/vnd.ms-excel");
|
response.setCharacterEncoding("utf-8");
|
try {
|
createWorkbook();
|
for (int index = 0; index <list.size(); index++) {
|
this.clazz = list.get(index).getClazz();
|
this.init(list.get(index).getDataset(), list.get(index).getFileName(), Excel.Type.EXPORT);
|
// 取出一共有多少个sheet.
|
// double sheetNo = Math.ceil(list.size() / sheetSize);
|
createSheetManySheet(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 (Excel.Type.EXPORT.equals(type)) {
|
fillExcelData(index, row);
|
addStatisticsRow();
|
}
|
}
|
wb.write(response.getOutputStream());
|
} catch (IOException e) {
|
log.error("导出Excel异常{}", e.getMessage());
|
} finally {
|
if (wb != null) {
|
try {
|
wb.close();
|
} catch (IOException e1) {
|
e1.printStackTrace();
|
}
|
}
|
if (response.getOutputStream() != null) {
|
try {
|
response.getOutputStream().close();
|
} catch (IOException e1) {
|
e1.printStackTrace();
|
}
|
}
|
}
|
// exportExcel(response.getOutputStream());
|
}
|
|
/**
|
* 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 {
|
response.setContentType("application/vnd.ms-excel");
|
response.setCharacterEncoding("utf-8");
|
this.init(null, sheetName, Excel.Type.IMPORT);
|
exportExcel(response.getOutputStream());
|
}
|
|
/**
|
* 对list数据源将其里面的数据导入到excel表单
|
*
|
* @return 结果
|
*/
|
public void exportExcel(OutputStream outputStream) {
|
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 (Excel.Type.EXPORT.equals(type)) {
|
fillExcelData(index, row);
|
addStatisticsRow();
|
}
|
}
|
wb.write(outputStream);
|
} catch (Exception e) {
|
log.error("导出Excel异常{}", e.getMessage());
|
} finally {
|
if (wb != null) {
|
try {
|
wb.close();
|
} catch (IOException e1) {
|
e1.printStackTrace();
|
}
|
}
|
if (outputStream != null) {
|
try {
|
outputStream.close();
|
} catch (IOException e1) {
|
e1.printStackTrace();
|
}
|
}
|
}
|
}
|
|
/**
|
* 填充excel数据
|
*
|
* @param index 序号
|
* @param row 单元格行
|
*/
|
public void fillExcelData(int index, Row row) {
|
// int startNo = index * sheetSize;
|
// int endNo = Math.min(startNo + sheetSize, list.size());
|
for (int i = 0; i < list.size(); i++) {
|
row = sheet.createRow(i + 1 );
|
// 得到导出对象.
|
T vo = (T) list.get(i);
|
int column = 0;
|
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++);
|
}
|
}
|
}
|
|
/**
|
* 创建表格样式
|
*
|
* @param wb 工作薄对象
|
* @return 样式列表
|
*/
|
private Map<String, CellStyle> createStyles(Workbook wb) {
|
// 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);
|
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());
|
Font dataFont = wb.createFont();
|
dataFont.setFontName("Arial");
|
dataFont.setFontHeightInPoints((short) 10);
|
style.setFont(dataFont);
|
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);
|
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);
|
|
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);
|
|
return styles;
|
}
|
|
/**
|
* 创建单元格
|
*/
|
public Cell createCell(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"));
|
return cell;
|
}
|
|
/**
|
* 设置单元格信息
|
*
|
* @param value 单元格值
|
* @param attr 注解相关
|
* @param cell 单元格信息
|
*/
|
public void setCellVo(Object value, Excel attr, Cell cell) {
|
if (Excel.ColumnType.STRING == attr.cellType()) {
|
cell.setCellValue(StringUtils.isNull(value) ? attr.defaultValue() : value + attr.suffix());
|
} else if (Excel.ColumnType.NUMERIC == attr.cellType()) {
|
cell.setCellValue(StringUtils.contains(Convert.toStr(value), ".") ? Convert.toDouble(value) : Convert.toInt(value));
|
} else if (Excel.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;
|
}
|
|
/**
|
* 创建表格样式
|
*/
|
public void setDataValidation(Excel attr, Row row, int column) {
|
if (attr.name().indexOf("注：") >= 0) {
|
sheet.setColumnWidth(column, 6000);
|
} else {
|
// 设置列宽
|
sheet.setColumnWidth(column, (int) ((attr.width() + 0.72) * 256));
|
}
|
// 如果设置了提示信息则鼠标放上去提示.
|
if (StringUtils.isNotEmpty(attr.prompt())) {
|
// 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);
|
}
|
}
|
|
/**
|
* 添加单元格
|
*/
|
public Cell addCell(Excel attr, Row row, T vo, Field field, int column) {
|
Cell cell = null;
|
try {
|
// 设置行高
|
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().getCode();
|
cell.setCellStyle(styles.get("data" + (align >= 1 && align <= 3 ? align : "")));
|
|
// 用于读取对象中的属性
|
Object value = getTargetValue(vo, field, attr);
|
String dateFormat = attr.dateFormat();
|
String readConverterExp = attr.readConverterExp();
|
String separator = attr.separator();
|
if (StringUtils.isNotEmpty(dateFormat) && StringUtils.isNotNull(value)) {
|
cell.setCellValue(DateUtils.parseDateToStr(dateFormat, (Date) value));
|
} else if (StringUtils.isNotEmpty(readConverterExp) && StringUtils.isNotNull(value)) {
|
cell.setCellValue(convertByExp(Convert.toStr(value), readConverterExp, separator));
|
} else if (value instanceof BigDecimal && -1 != attr.scale()) {
|
cell.setCellValue((((BigDecimal) value).setScale(attr.scale(), attr.roundingMode())).toString());
|
} else {
|
// 设置列类型
|
setCellVo(value, attr, cell);
|
}
|
addStatisticsData(column, Convert.toStr(value), attr);
|
}
|
} catch (Exception e) {
|
log.error("导出Excel失败{}", e);
|
}
|
return cell;
|
}
|
|
/**
|
* 设置 POI XSSFSheet 单元格提示
|
*
|
* @param sheet 表单
|
* @param promptTitle 提示标题
|
* @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,
|
int firstCol, int endCol) {
|
DataValidationHelper helper = sheet.getDataValidationHelper();
|
DataValidationConstraint constraint = helper.createCustomConstraint("DD1");
|
CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol);
|
DataValidation dataValidation = helper.createValidation(constraint, regions);
|
dataValidation.createPromptBox(promptTitle, promptContent);
|
dataValidation.setShowPromptBox(true);
|
sheet.addValidationData(dataValidation);
|
}
|
|
/**
|
* 设置某些列的值只能输入预制的数据,显示下拉框.
|
*
|
* @param sheet 要设置的sheet.
|
* @param textlist 下拉框显示的内容
|
* @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) {
|
DataValidationHelper helper = sheet.getDataValidationHelper();
|
// 加载下拉列表内容
|
DataValidationConstraint constraint = helper.createExplicitListConstraint(textlist);
|
// 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);
|
// 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);
|
}
|
|
/**
|
* 解析导出值 0=男,1=女,2=未知
|
*
|
* @param propertyValue 参数值
|
* @param converterExp 翻译注解
|
* @param separator 分隔符
|
* @return 解析后值
|
*/
|
public static String convertByExp(String propertyValue, String converterExp, String separator) {
|
StringBuilder propertyString = new StringBuilder();
|
String[] convertSource = converterExp.split(",");
|
for (String item : convertSource) {
|
String[] itemArray = item.split("=");
|
if (StringUtils.containsAny(separator, propertyValue)) {
|
for (String value : propertyValue.split(separator)) {
|
if (itemArray[0].equals(value)) {
|
propertyString.append(itemArray[1] + separator);
|
break;
|
}
|
}
|
} else {
|
if (itemArray[0].equals(propertyValue)) {
|
return itemArray[1];
|
}
|
}
|
}
|
return StringUtils.stripEnd(propertyString.toString(), separator);
|
}
|
|
/**
|
* 反向解析值 男=0,女=1,未知=2
|
*
|
* @param propertyValue 参数值
|
* @param converterExp 翻译注解
|
* @param separator 分隔符
|
* @return 解析后值
|
*/
|
public static String reverseByExp(String propertyValue, String converterExp, String separator) {
|
StringBuilder propertyString = new StringBuilder();
|
String[] convertSource = converterExp.split(",");
|
for (String item : convertSource) {
|
String[] itemArray = item.split("=");
|
if (StringUtils.containsAny(separator, propertyValue)) {
|
for (String value : propertyValue.split(separator)) {
|
if (itemArray[1].equals(value)) {
|
propertyString.append(itemArray[0] + separator);
|
break;
|
}
|
}
|
} else {
|
if (itemArray[1].equals(propertyValue)) {
|
return itemArray[0];
|
}
|
}
|
}
|
return StringUtils.stripEnd(propertyString.toString(), separator);
|
}
|
|
/**
|
* 合计统计信息
|
*/
|
private void addStatisticsData(Integer index, String text, Excel entity) {
|
if (entity != null && entity.isStatistics()) {
|
Double temp = 0D;
|
if (!statistics.containsKey(index)) {
|
statistics.put(index, temp);
|
}
|
try {
|
temp = Double.valueOf(text);
|
} catch (NumberFormatException e) {
|
}
|
statistics.put(index, statistics.get(index) + temp);
|
}
|
}
|
|
/**
|
* 创建统计行
|
*/
|
public void addStatisticsRow() {
|
if (statistics.size() > 0) {
|
Cell cell = null;
|
Row row = sheet.createRow(sheet.getLastRowNum() + 1);
|
Set<Integer> keys = statistics.keySet();
|
cell = row.createCell(0);
|
cell.setCellStyle(styles.get("total"));
|
cell.setCellValue("合计");
|
|
for (Integer key : keys) {
|
cell = row.createCell(key);
|
cell.setCellStyle(styles.get("total"));
|
cell.setCellValue(DOUBLE_FORMAT.format(statistics.get(key)));
|
}
|
statistics.clear();
|
}
|
}
|
|
/**
|
* 获取bean中的属性值
|
*
|
* @param vo 实体对象
|
* @param field 字段
|
* @param excel 注解
|
* @return 最终的属性值
|
* @throws Exception
|
*/
|
private Object getTargetValue(T vo, Field field, Excel excel) throws Exception {
|
Object o = field.get(vo);
|
if (StringUtils.isNotEmpty(excel.targetAttr())) {
|
String target = excel.targetAttr();
|
if (target.indexOf(".") > -1) {
|
String[] targets = target.split("[.]");
|
for (String name : targets) {
|
o = getValue(o, name);
|
}
|
} else {
|
o = getValue(o, target);
|
}
|
}
|
return o;
|
}
|
|
/**
|
* 以类的属性的get方法方法形式获取值
|
*
|
* @param o
|
* @param name
|
* @return value
|
* @throws Exception
|
*/
|
private Object getValue(Object o, String name) throws Exception {
|
if (StringUtils.isNotNull(o) && StringUtils.isNotEmpty(name)) {
|
Class<?> clazz = o.getClass();
|
Field field = clazz.getDeclaredField(name);
|
field.setAccessible(true);
|
o = field.get(o);
|
}
|
return o;
|
}
|
|
/**
|
* 得到所有定义字段
|
*/
|
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 = this.fields.stream().sorted(Comparator.comparing(objects -> ((Excel) objects[1]).sort())).collect(Collectors.toList());
|
this.maxHeight = getRowHeight();
|
}
|
|
/**
|
* 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 = maxHeight > excel.height() ? maxHeight : excel.height();
|
}
|
return (short) (maxHeight * 20);
|
}
|
|
/**
|
* 放到字段集合中
|
*/
|
private void putToField(Field field, Excel attr) {
|
if (attr != null && (attr.type() == Excel.Type.ALL || attr.type() == type)) {
|
this.fields.add(new Object[]{field, attr});
|
}
|
}
|
|
/**
|
* 创建一个工作簿
|
*/
|
public void createWorkbook() {
|
this.wb = new SXSSFWorkbook(500);
|
}
|
|
/**
|
* 创建工作表
|
*
|
* @param sheetNo sheet数量
|
* @param index 序号
|
*/
|
public void createSheet(double sheetNo, int index) {
|
this.sheet = wb.createSheet();
|
this.styles = createStyles(wb);
|
// 设置工作表的名称.
|
if (sheetNo == 0) {
|
wb.setSheetName(index, sheetName);
|
} else {
|
wb.setSheetName(index, sheetName + index);
|
}
|
}
|
/**
|
* 创建工作表
|
*
|
* @param index 序号
|
*/
|
public void createSheetManySheet( int index) {
|
this.sheet = wb.createSheet();
|
this.styles = createStyles(wb);
|
wb.setSheetName(index, sheetName);
|
}
|
/**
|
* 获取单元格值
|
*
|
* @param row 获取的行
|
* @param column 获取单元格列号
|
* @return 单元格值
|
*/
|
public Object getCellValue(Row row, int column) {
|
if (row == null) {
|
return row;
|
}
|
Object val = "";
|
try {
|
Cell cell = row.getCell(column);
|
if (StringUtils.isNotNull(cell)) {
|
if (cell.getCellType() == CellType.NUMERIC || cell.getCellType() == CellType.FORMULA) {
|
val = cell.getNumericCellValue();
|
if (DateUtil.isCellDateFormatted(cell)) {
|
val = DateUtil.getJavaDate((Double) val); // POI Excel 日期格式转换
|
} else {
|
if ((Double) val % 1 != 0) {
|
val = new BigDecimal(val.toString());
|
} else {
|
val = new DecimalFormat("0").format(val);
|
}
|
}
|
} else if (cell.getCellType() == CellType.STRING) {
|
val = cell.getStringCellValue();
|
} else if (cell.getCellType() == CellType.BOOLEAN) {
|
val = cell.getBooleanCellValue();
|
} else if (cell.getCellType() == CellType.ERROR) {
|
val = cell.getErrorCellValue();
|
}
|
|
}
|
} catch (Exception e) {
|
return val;
|
}
|
return val;
|
}
|
}
|
