Java利用JXL&POI读取xls和xlsx
POM dependencies:
<dependencies> <dependency> <groupId>org.apache.poi</groupId> <artifactId>poi</artifactId> <version>3.9</version> </dependency> <dependency> <groupId>org.apache.poi</groupId> <artifactId>poi-ooxml</artifactId> <version>3.9</version> </dependency> <dependency> <groupId>jexcelapi</groupId> <artifactId>jxl</artifactId> <version>2.6</version> </dependency> </dependencies>
ReadExcelUtil Code:
import java.io.File;
/**
* <b>Description</b>:
* <p>
* <b>Features or change log:</b>
* <ol>
* <li>2013-7-13 下午3:59:42, jervalj, C001:</li>
* <li></li>
* </ol>
*/
public class ReadExcelUtil {
public static List<List<String>> parseXlsByJxl(File excelFile) {
List<List<String>> items = new ArrayList<List<String>>();
Workbook wb = null;
try {
wb = Workbook.getWorkbook(excelFile);
} catch (Exception e) {
e.printStackTrace();
}
if (wb != null && wb.getNumberOfSheets() > 0) {
try {
// get first sheet object
Sheet sheet = wb.getSheet(0);
// get current Workbook rows
int rowNum = sheet.getRows();
List<String> item = null;
for (int i = 0;i < rowNum;i++) {
// get current row cells
Cell[] cells = sheet.getRow(i);
if (cells != null && cells.length > 0) {
item = new ArrayList<String>();
for (Cell cell:cells) {
item.add(cell.getContents());
}
items.add(item);
} else {
throw new RuntimeException("No cells found in excel .");
}
}
} catch (Exception e) {
throw new RuntimeException(e);
} finally {
if (null != wb) {
// close Workbook
wb.close();
}
}
} else {
throw new RuntimeException("Please select a valided excel file !");
}
return items;
}
public static List<List<String>> parseXlsByPoi(File file) {
HSSFWorkbook wb = null;
try {
wb = new HSSFWorkbook(new FileInputStream(file));
} catch (Exception e) {
e.printStackTrace();
}
List<List<String>> items = new ArrayList<List<String>>();
if (wb != null && wb.getNumberOfSheets() > 0) {
try {
// get first sheet object
HSSFSheet sheet = wb.getSheetAt(0);
// get current Workbook rows
int rowNum = sheet.getLastRowNum();
List<String> item = null;
for (int i = 0;i < rowNum;i++) {
// get current row cells
HSSFRow row = sheet.getRow(i);
int cellNum = row.getLastCellNum();
if (cellNum > 0) {
item = new ArrayList<String>();
for (int j = 0;j < cellNum;j++) {
HSSFCell cell = row.getCell(j);
if (null != cell) {
switch (cell.getCellType()) {
case HSSFCell.CELL_TYPE_NUMERIC: // 数字
item.add(Double.toString(cell.getNumericCellValue()));
break;
case HSSFCell.CELL_TYPE_STRING: // 字符串
item.add(cell.getStringCellValue());
break;
case HSSFCell.CELL_TYPE_BOOLEAN: // Boolean
item.add(Boolean.toString(cell.getBooleanCellValue()));
break;
case HSSFCell.CELL_TYPE_FORMULA: // 公式
item.add(cell.getCellFormula());
break;
case HSSFCell.CELL_TYPE_BLANK: // 空值
item.add("");
break;
case HSSFCell.CELL_TYPE_ERROR: // 故障
item.add("");
break;
default:
item.add("");
break;
}
} else {
item.add("");
}
}
items.add(item);
} else {
throw new RuntimeException("No cells found in excel .");
}
}
} catch (Exception e) {
throw new RuntimeException(e);
}
} else {
throw new RuntimeException("Please select a valided excel file !");
}
return items;
}
public static List<List<String>> parseXlsxByPoi(File file) {
XSSFWorkbook wb = null;
try {
wb = new XSSFWorkbook(new FileInputStream(file));
} catch (Exception e) {
e.printStackTrace();
}
List<List<String>> items = new ArrayList<List<String>>();
if (wb != null && wb.getNumberOfSheets() > 0) {
try {
// get first sheet object
XSSFSheet sheet = wb.getSheetAt(0);
// get current Workbook rows
int rowNum = sheet.getLastRowNum();
List<String> item = null;
for (int i = 0;i < rowNum;i++) {
// get current row cells
XSSFRow row = sheet.getRow(i);
int cellNum = row.getLastCellNum();
if (cellNum > 0) {
item = new ArrayList<String>();
for (int j = 0;j < cellNum;j++) {
XSSFCell cell = row.getCell(j);
if (null != cell) {
switch (cell.getCellType()) {
case XSSFCell.CELL_TYPE_NUMERIC: // 数字
item.add(Double.toString(cell.getNumericCellValue()));
break;
case XSSFCell.CELL_TYPE_STRING: // 字符串
item.add(cell.getStringCellValue());
break;
case XSSFCell.CELL_TYPE_BOOLEAN: // Boolean
item.add(Boolean.toString(cell.getBooleanCellValue()));
break;
case XSSFCell.CELL_TYPE_FORMULA: // 公式
item.add(cell.getCellFormula());
break;
case XSSFCell.CELL_TYPE_BLANK: // 空值
item.add("");
break;
case XSSFCell.CELL_TYPE_ERROR: // 故障
item.add("");
break;
default:
item.add("");
break;
}
} else {
item.add("");
}
}
items.add(item);
} else {
throw new RuntimeException("No cells found in excel .");
}
}
} catch (Exception e) {
throw new RuntimeException(e);
}
} else {
throw new RuntimeException("Please select a valided excel file !");
}
return items;
}
public static List<List<String>> parseXlsXlsxByPoi(File file) {
org.apache.poi.ss.usermodel.Workbook wb = null;
try {
wb = new XSSFWorkbook(new FileInputStream(file));
} catch (Exception e) {
try {
wb = new HSSFWorkbook(new FileInputStream(file));
} catch (Exception e2) {
throw new RuntimeException("Unknow File Type!!!");
}
}
List<List<String>> items = new ArrayList<List<String>>();
if (wb != null && wb.getNumberOfSheets() > 0) {
try {
// get first sheet object
org.apache.poi.ss.usermodel.Sheet sheet = wb.getSheetAt(0);
// get current Workbook rows
int rowNum = sheet.getLastRowNum();
List<String> item = null;
for (int i = 0;i < rowNum;i++) {
// get current row cells
Row row = sheet.getRow(i);
int cellNum = row.getLastCellNum();
if (cellNum > 0) {
item = new ArrayList<String>();
for (int j = 0;j < cellNum;j++) {
org.apache.poi.ss.usermodel.Cell cell = row.getCell(j);
if (null != cell) {
switch (cell.getCellType()) {
case XSSFCell.CELL_TYPE_NUMERIC: // 数字
item.add(Double.toString(cell.getNumericCellValue()));
break;
case XSSFCell.CELL_TYPE_STRING: // 字符串
item.add(cell.getStringCellValue());
break;
case XSSFCell.CELL_TYPE_BOOLEAN: // Boolean
item.add(Boolean.toString(cell.getBooleanCellValue()));
break;
case XSSFCell.CELL_TYPE_FORMULA: // 公式
item.add(cell.getCellFormula());
break;
case XSSFCell.CELL_TYPE_BLANK: // 空值
item.add("");
break;
case XSSFCell.CELL_TYPE_ERROR: // 故障
item.add("");
break;
default:
item.add("");
break;
}
} else {
item.add("");
}
}
items.add(item);
} else {
throw new RuntimeException("No cells found in excel .");
}
}
} catch (Exception e) {
throw new RuntimeException(e);
}
} else {
throw new RuntimeException("Please select a valided excel file !");
}
return items;
}
}