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icefrog POI工具类（对MS Office操作）
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package com.whaleal.icefrog.poi.excel;
import com.whaleal.icefrog.core.exceptions.DependencyException;
import com.whaleal.icefrog.core.io.FileUtil;
import com.whaleal.icefrog.core.io.IoUtil;
import com.whaleal.icefrog.core.util.ObjectUtil;
import com.whaleal.icefrog.core.util.ReUtil;
import com.whaleal.icefrog.core.util.StrUtil;
import com.whaleal.icefrog.poi.PoiChecker;
import com.whaleal.icefrog.poi.excel.cell.CellLocation;
import com.whaleal.icefrog.poi.excel.sax.ExcelSaxReader;
import com.whaleal.icefrog.poi.excel.sax.ExcelSaxUtil;
import com.whaleal.icefrog.poi.excel.sax.handler.RowHandler;
import java.io.File;
import java.io.InputStream;
/**
* Excel工具类,不建议直接使用index直接操作sheet，在wps/excel中sheet显示顺序与index无关，还有隐藏sheet
*
* @author Looly
* @author wh
*/
public class ExcelUtil {
/**
* xls的ContentType
*/
public static final String XLS_CONTENT_TYPE = "application/vnd.ms-excel";
/**
* xlsx的ContentType
*/
public static final String XLSX_CONTENT_TYPE = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
// ------------------------------------------------------------------------------------ Read by Sax start
/**
* 通过Sax方式读取Excel，同时支持03和07格式
*
* @param path Excel文件路径
* @param rid sheet rid，-1表示全部Sheet, 0表示第一个Sheet
* @param rowHandler 行处理器
* @since 1.0.0
*/
public static void readBySax( String path, int rid, RowHandler rowHandler ) {
readBySax(FileUtil.file(path), rid, rowHandler);
}
/**
* 通过Sax方式读取Excel，同时支持03和07格式
*
* @param path Excel文件路径
* @param idOrRid Excel中的sheet id或者rid编号，rid必须加rId前缀，例如rId1，如果为-1处理所有编号的sheet
* @param rowHandler 行处理器
* @since 1.0.0
*/
public static void readBySax( String path, String idOrRid, RowHandler rowHandler ) {
readBySax(FileUtil.file(path), idOrRid, rowHandler);
}
/**
* 通过Sax方式读取Excel，同时支持03和07格式
*
* @param file Excel文件
* @param rid sheet rid，-1表示全部Sheet, 0表示第一个Sheet
* @param rowHandler 行处理器
* @since 1.0.0
*/
public static void readBySax( File file, int rid, RowHandler rowHandler ) {
final ExcelSaxReader reader = ExcelSaxUtil.createSaxReader(ExcelFileUtil.isXlsx(file), rowHandler);
reader.read(file, rid);
}
/**
* 通过Sax方式读取Excel，同时支持03和07格式
*
* @param file Excel文件
* @param idOrRidOrSheetName Excel中的sheet id或rid编号或sheet名称，rid必须加rId前缀，例如rId1，如果为-1处理所有编号的sheet
* @param rowHandler 行处理器
* @since 1.0.0
*/
public static void readBySax( File file, String idOrRidOrSheetName, RowHandler rowHandler ) {
final ExcelSaxReader reader = ExcelSaxUtil.createSaxReader(ExcelFileUtil.isXlsx(file), rowHandler);
reader.read(file, idOrRidOrSheetName);
}
/**
* 通过Sax方式读取Excel，同时支持03和07格式
*
* @param in Excel流
* @param rid sheet rid，-1表示全部Sheet, 0表示第一个Sheet
* @param rowHandler 行处理器
* @since 1.0.0
*/
public static void readBySax( InputStream in, int rid, RowHandler rowHandler ) {
in = IoUtil.toMarkSupportStream(in);
final ExcelSaxReader reader = ExcelSaxUtil.createSaxReader(ExcelFileUtil.isXlsx(in), rowHandler);
reader.read(in, rid);
}
/**
* 通过Sax方式读取Excel，同时支持03和07格式
*
* @param in Excel流
* @param idOrRidOrSheetName Excel中的sheet id或rid编号或sheet名称，rid必须加rId前缀，例如rId1，如果为-1处理所有编号的sheet
* @param rowHandler 行处理器
* @since 1.0.0
*/
public static void readBySax( InputStream in, String idOrRidOrSheetName, RowHandler rowHandler ) {
in = IoUtil.toMarkSupportStream(in);
final ExcelSaxReader reader = ExcelSaxUtil.createSaxReader(ExcelFileUtil.isXlsx(in), rowHandler);
reader.read(in, idOrRidOrSheetName);
}
// ------------------------------------------------------------------------------------ Read by Sax end
// ------------------------------------------------------------------------------------------------ getReader
/**
* 获取Excel读取器，通过调用{@link ExcelReader}的read或readXXX方法读取Excel内容
* 默认调用第一个sheet
*
* @param bookFilePath Excel文件路径，绝对路径或相对于ClassPath路径
* @return {@link ExcelReader}
* @since 1.0.0
*/
public static ExcelReader getReader( String bookFilePath ) {
return getReader(bookFilePath, 0);
}
/**
* 获取Excel读取器，通过调用{@link ExcelReader}的read或readXXX方法读取Excel内容
* 默认调用第一个sheet
*
* @param bookFile Excel文件
* @return {@link ExcelReader}
*/
public static ExcelReader getReader( File bookFile ) {
return getReader(bookFile, 0);
}
/**
* 获取Excel读取器，通过调用{@link ExcelReader}的read或readXXX方法读取Excel内容
*
* @param bookFilePath Excel文件路径，绝对路径或相对于ClassPath路径
* @param sheetIndex sheet序号，0表示第一个sheet
* @return {@link ExcelReader}
* @since 1.0.0
*/
public static ExcelReader getReader( String bookFilePath, int sheetIndex ) {
try {
return new ExcelReader(bookFilePath, sheetIndex);
} catch (NoClassDefFoundError e) {
throw new DependencyException(ObjectUtil.defaultIfNull(e.getCause(), e), PoiChecker.NO_POI_ERROR_MSG);
}
}
/**
* 获取Excel读取器，通过调用{@link ExcelReader}的read或readXXX方法读取Excel内容
*
* @param bookFile Excel文件
* @param sheetIndex sheet序号，0表示第一个sheet
* @return {@link ExcelReader}
*/
public static ExcelReader getReader( File bookFile, int sheetIndex ) {
try {
return new ExcelReader(bookFile, sheetIndex);
} catch (NoClassDefFoundError e) {
throw new DependencyException(ObjectUtil.defaultIfNull(e.getCause(), e), PoiChecker.NO_POI_ERROR_MSG);
}
}
/**
* 获取Excel读取器，通过调用{@link ExcelReader}的read或readXXX方法读取Excel内容
*
* @param bookFile Excel文件
* @param sheetName sheet名，第一个默认是sheet1
* @return {@link ExcelReader}
*/
public static ExcelReader getReader( File bookFile, String sheetName ) {
try {
return new ExcelReader(bookFile, sheetName);
} catch (NoClassDefFoundError e) {
throw new DependencyException(ObjectUtil.defaultIfNull(e.getCause(), e), PoiChecker.NO_POI_ERROR_MSG);
}
}
/**
* 获取Excel读取器，通过调用{@link ExcelReader}的read或readXXX方法读取Excel内容
* 默认调用第一个sheet，读取结束自动关闭流
*
* @param bookStream Excel文件的流
* @return {@link ExcelReader}
*/
public static ExcelReader getReader( InputStream bookStream ) {
return getReader(bookStream, 0);
}
/**
* 获取Excel读取器，通过调用{@link ExcelReader}的read或readXXX方法读取Excel内容
* 读取结束自动关闭流
*
* @param bookStream Excel文件的流
* @param sheetIndex sheet序号，0表示第一个sheet
* @return {@link ExcelReader}
*/
public static ExcelReader getReader( InputStream bookStream, int sheetIndex ) {
try {
return new ExcelReader(bookStream, sheetIndex);
} catch (NoClassDefFoundError e) {
throw new DependencyException(ObjectUtil.defaultIfNull(e.getCause(), e), PoiChecker.NO_POI_ERROR_MSG);
}
}
/**
* 获取Excel读取器，通过调用{@link ExcelReader}的read或readXXX方法读取Excel内容
* 读取结束自动关闭流
*
* @param bookStream Excel文件的流
* @param sheetName sheet名，第一个默认是sheet1
* @return {@link ExcelReader}
*/
public static ExcelReader getReader( InputStream bookStream, String sheetName ) {
try {
return new ExcelReader(bookStream, sheetName);
} catch (NoClassDefFoundError e) {
throw new DependencyException(ObjectUtil.defaultIfNull(e.getCause(), e), PoiChecker.NO_POI_ERROR_MSG);
}
}
// ------------------------------------------------------------------------------------------------ getWriter
/**
* 获得{@link ExcelWriter}，默认写出到第一个sheet
* 不传入写出的Excel文件路径，只能调用ExcelWriter#flush(OutputStream)方法写出到流
* 若写出到文件，还需调用{@link ExcelWriter#setDestFile(File)}方法自定义写出的文件，然后调用{@link ExcelWriter#flush()}方法写出到文件
*
* @return {@link ExcelWriter}
* @since 1.0.0
*/
public static ExcelWriter getWriter() {
try {
return new ExcelWriter();
} catch (NoClassDefFoundError e) {
throw new DependencyException(ObjectUtil.defaultIfNull(e.getCause(), e), PoiChecker.NO_POI_ERROR_MSG);
}
}
/**
* 获得{@link ExcelWriter}，默认写出到第一个sheet
* 不传入写出的Excel文件路径，只能调用ExcelWriter#flush(OutputStream)方法写出到流
* 若写出到文件，还需调用{@link ExcelWriter#setDestFile(File)}方法自定义写出的文件，然后调用{@link ExcelWriter#flush()}方法写出到文件
*
* @param isXlsx 是否为xlsx格式
* @return {@link ExcelWriter}
* @since 1.0.0
*/
public static ExcelWriter getWriter( boolean isXlsx ) {
try {
return new ExcelWriter(isXlsx);
} catch (NoClassDefFoundError e) {
throw new DependencyException(ObjectUtil.defaultIfNull(e.getCause(), e), PoiChecker.NO_POI_ERROR_MSG);
}
}
/**
* 获得{@link ExcelWriter}，默认写出到第一个sheet
*
* @param destFilePath 目标文件路径
* @return {@link ExcelWriter}
*/
public static ExcelWriter getWriter( String destFilePath ) {
try {
return new ExcelWriter(destFilePath);
} catch (NoClassDefFoundError e) {
throw new DependencyException(ObjectUtil.defaultIfNull(e.getCause(), e), PoiChecker.NO_POI_ERROR_MSG);
}
}
/**
* 获得{@link ExcelWriter}，默认写出到第一个sheet
*
* @param sheetName Sheet名
* @return {@link ExcelWriter}
* @since 1.0.0
*/
public static ExcelWriter getWriterWithSheet( String sheetName ) {
try {
return new ExcelWriter((File) null, sheetName);
} catch (NoClassDefFoundError e) {
throw new DependencyException(ObjectUtil.defaultIfNull(e.getCause(), e), PoiChecker.NO_POI_ERROR_MSG);
}
}
/**
* 获得{@link ExcelWriter}，默认写出到第一个sheet，名字为sheet1
*
* @param destFile 目标文件
* @return {@link ExcelWriter}
*/
public static ExcelWriter getWriter( File destFile ) {
try {
return new ExcelWriter(destFile);
} catch (NoClassDefFoundError e) {
throw new DependencyException(ObjectUtil.defaultIfNull(e.getCause(), e), PoiChecker.NO_POI_ERROR_MSG);
}
}
/**
* 获得{@link ExcelWriter}
*
* @param destFilePath 目标文件路径
* @param sheetName sheet表名
* @return {@link ExcelWriter}
*/
public static ExcelWriter getWriter( String destFilePath, String sheetName ) {
try {
return new ExcelWriter(destFilePath, sheetName);
} catch (NoClassDefFoundError e) {
throw new DependencyException(ObjectUtil.defaultIfNull(e.getCause(), e), PoiChecker.NO_POI_ERROR_MSG);
}
}
/**
* 获得{@link ExcelWriter}
*
* @param destFile 目标文件
* @param sheetName sheet表名
* @return {@link ExcelWriter}
*/
public static ExcelWriter getWriter( File destFile, String sheetName ) {
try {
return new ExcelWriter(destFile, sheetName);
} catch (NoClassDefFoundError e) {
throw new DependencyException(ObjectUtil.defaultIfNull(e.getCause(), e), PoiChecker.NO_POI_ERROR_MSG);
}
}
// ------------------------------------------------------------------------------------------------ getBigWriter
/**
* 获得{@link BigExcelWriter}，默认写出到第一个sheet
* 不传入写出的Excel文件路径，只能调用ExcelWriter#flush(OutputStream)方法写出到流
* 若写出到文件，还需调用{@link BigExcelWriter#setDestFile(File)}方法自定义写出的文件，然后调用{@link BigExcelWriter#flush()}方法写出到文件
*
* @return {@link BigExcelWriter}
* @since 1.0.0
*/
public static ExcelWriter getBigWriter() {
try {
return new BigExcelWriter();
} catch (NoClassDefFoundError e) {
throw new DependencyException(ObjectUtil.defaultIfNull(e.getCause(), e), PoiChecker.NO_POI_ERROR_MSG);
}
}
/**
* 获得{@link BigExcelWriter}，默认写出到第一个sheet
* 不传入写出的Excel文件路径，只能调用ExcelWriter#flush(OutputStream)方法写出到流
* 若写出到文件，还需调用{@link BigExcelWriter#setDestFile(File)}方法自定义写出的文件，然后调用{@link BigExcelWriter#flush()}方法写出到文件
*
* @param rowAccessWindowSize 在内存中的行数
* @return {@link BigExcelWriter}
* @since 1.0.0
*/
public static ExcelWriter getBigWriter( int rowAccessWindowSize ) {
try {
return new BigExcelWriter(rowAccessWindowSize);
} catch (NoClassDefFoundError e) {
throw new DependencyException(ObjectUtil.defaultIfNull(e.getCause(), e), PoiChecker.NO_POI_ERROR_MSG);
}
}
/**
* 获得{@link BigExcelWriter}，默认写出到第一个sheet
*
* @param destFilePath 目标文件路径
* @return {@link BigExcelWriter}
*/
public static BigExcelWriter getBigWriter( String destFilePath ) {
try {
return new BigExcelWriter(destFilePath);
} catch (NoClassDefFoundError e) {
throw new DependencyException(ObjectUtil.defaultIfNull(e.getCause(), e), PoiChecker.NO_POI_ERROR_MSG);
}
}
/**
* 获得{@link BigExcelWriter}，默认写出到第一个sheet，名字为sheet1
*
* @param destFile 目标文件
* @return {@link BigExcelWriter}
*/
public static BigExcelWriter getBigWriter( File destFile ) {
try {
return new BigExcelWriter(destFile);
} catch (NoClassDefFoundError e) {
throw new DependencyException(ObjectUtil.defaultIfNull(e.getCause(), e), PoiChecker.NO_POI_ERROR_MSG);
}
}
/**
* 获得{@link BigExcelWriter}
*
* @param destFilePath 目标文件路径
* @param sheetName sheet表名
* @return {@link BigExcelWriter}
*/
public static BigExcelWriter getBigWriter( String destFilePath, String sheetName ) {
try {
return new BigExcelWriter(destFilePath, sheetName);
} catch (NoClassDefFoundError e) {
throw new DependencyException(ObjectUtil.defaultIfNull(e.getCause(), e), PoiChecker.NO_POI_ERROR_MSG);
}
}
/**
* 获得{@link BigExcelWriter}
*
* @param destFile 目标文件
* @param sheetName sheet表名
* @return {@link BigExcelWriter}
*/
public static BigExcelWriter getBigWriter( File destFile, String sheetName ) {
try {
return new BigExcelWriter(destFile, sheetName);
} catch (NoClassDefFoundError e) {
throw new DependencyException(ObjectUtil.defaultIfNull(e.getCause(), e), PoiChecker.NO_POI_ERROR_MSG);
}
}
/**
* 将Sheet列号变为列名
*
* @param index 列号, 从0开始
* @return 0-》A; 1-》B...26-》AA
* @since 1.0.0
*/
public static String indexToColName( int index ) {
if (index < 0) {
return null;
}
final StringBuilder colName = StrUtil.builder();
do {
if (colName.length() > 0) {
index--;
}
int remainder = index % 26;
colName.append((char) (remainder + 'A'));
index = (index - remainder) / 26;
} while (index > 0);
return colName.reverse().toString();
}
/**
* 根据表元的列名转换为列号
*
* @param colName 列名, 从A开始
* @return A1-》0; B1-》1...AA1-》26
* @since 1.0.0
*/
public static int colNameToIndex( String colName ) {
int length = colName.length();
char c;
int index = -1;
for (int i = 0; i < length; i++) {
c = Character.toUpperCase(colName.charAt(i));
if (Character.isDigit(c)) {
break;// 确定指定的char值是否为数字
}
index = (index + 1) * 26 + (int) c - 'A';
}
return index;
}
/**
* 将Excel中地址标识符（例如A11，B5）等转换为行列表示
* 例如：A11 -》 x:0,y:10，B5-》x:1,y:4
*
* @param locationRef 单元格地址标识符，例如A11，B5
* @return 坐标点，x表示行，从0开始，y表示列，从0开始
* @since 1.0.0
*/
public static CellLocation toLocation( String locationRef ) {
final int x = colNameToIndex(locationRef);
final int y = ReUtil.getFirstNumber(locationRef) - 1;
return new CellLocation(x, y);
}
}
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