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package com.b2bjy.crm.util;

import java.io.File;

import java.io.FileInputStream;

import java.io.IOException;

import java.io.InputStream;

import java.text.DecimalFormat;

import java.util.ArrayList;

import java.util.List;

import org.apache.poi.hssf.usermodel.HSSFDateUtil;

import org.apache.poi.hssf.usermodel.HSSFWorkbook;

import org.apache.poi.ss.usermodel.Cell;

import org.apache.poi.ss.usermodel.DateUtil;

import org.apache.poi.ss.usermodel.Row;

import org.apache.poi.ss.usermodel.Sheet;

import org.apache.poi.ss.usermodel.Workbook;

import org.apache.poi.xssf.usermodel.XSSFWorkbook;

public class POIExcelUtil

{

/** *//** 总行数 */

private int totalRows = 0;

/** *//** 总列数 */

private int totalCells = 0;

/** *//** 构造方法 */

public POIExcelUtil()

{}

/** *//**

*

*

Description:[根据文件名读取excel文件]

*

Created by [Huyvanpull] [Jan 20, 2010]

*

Midified by [modifier] [modified time]

*

*

* @param fileName

* @return

* @throws Exception

*/

public ArrayList read(String fileName)

{

ArrayList dataLst = new ArrayList();

/** *//** 检查文件名是否为空e68a84e8a2ad3231313335323631343130323136353331333335336536或者是否是Excel格式的文件 */

if (fileName == null || !fileName.matches("^.+\\.(?i)((xls)|(xlsx))$"))

{

return dataLst;

}

boolean isExcel2003 = true;

/** *//** 对文件的合法性进行验证 */

if (fileName.matches("^.+\\.(?i)(xlsx)$"))

{

isExcel2003 = false;

}

/** *//** 检查文件是否存在 */

File file = new File(fileName);

if (file == null || !file.exists())

{

return dataLst;

}

try

{

/** *//** 调用本类提供的根据流读取的方法 */

dataLst = read(new FileInputStream(file), isExcel2003);

}

catch (Exception ex)

{

ex.printStackTrace();

}

/** *//** 返回最后读取的结果 */

return dataLst;

}

/** *//**

*

*

Description:[根据流读取Excel文件]

*

Created by [Huyvanpull] [Jan 20, 2010]

*

Midified by [modifier] [modified time]

*

*

* @param inputStream

* @param isExcel2003

* @return

*/

public ArrayList read(InputStream inputStream,

boolean isExcel2003)

{

ArrayList dataLst = null;

try

{

/** *//** 根据版本选择创建Workbook的方式 */

Workbook wb = isExcel2003 ? new HSSFWorkbook(inputStream)

: new XSSFWorkbook(inputStream);

dataLst = read(wb);

}

catch (IOException e)

{

e.printStackTrace();

}

return dataLst;

}

/** *//**

*

*

Description:[得到总行数]

*

Created by [Huyvanpull] [Jan 20, 2010]

*

Midified by [modifier] [modified time]

*

*

* @return

*/

public int getTotalRows()

{

return totalRows;

}

/** *//**

*

*

Description:[得到总列数]

*

Created by [Huyvanpull] [Jan 20, 2010]

*

Midified by [modifier] [modified time]

*

*

* @return

*/

public int getTotalCells()

{

return totalCells;

}

/** *//**

*

*

Description:[读取数据]

*

Created by [Huyvanpull] [Jan 20, 2010]

*

Midified by [modifier] [modified time]

*

*

* @param wb

* @return

*/

private ArrayList read(Workbook wb)

{

ArrayList rowLst = new ArrayList();

/** *//** 得到第一个shell */

Sheet sheet = wb.getSheetAt(0);

this.totalRows = sheet.getPhysicalNumberOfRows();

if (this.totalRows >= 1 && sheet.getRow(0) != null)

{

this.totalCells = sheet.getRow(0).getPhysicalNumberOfCells();

}

/** *//** 循环Excel的行 */

for (int r = 0; r < this.totalRows; r++)

{

Row row = sheet.getRow(r);

if (row == null)

{

continue;

}

/** *//** 循环Excel的列 */

for (short c = 0; c < 1; c++)

{

Cell cell = row.getCell(c);

String cellValue = "";

if (cell == null)

{

rowLst.add(cellValue);

continue;

}

/** *//** 处理数字型的,自动去零 */

if (Cell.CELL_TYPE_NUMERIC == cell.getCellType())

{

cellValue = getRightStr(cell.getNumericCellValue() + "");

}

/** *//** 处理字符串型 */

else if (Cell.CELL_TYPE_STRING == cell.getCellType())

{

cellValue = cell.getStringCellValue();

}

/** *//** 处理布尔型 */

else if (Cell.CELL_TYPE_BOOLEAN == cell.getCellType())

{

cellValue = cell.getBooleanCellValue() + "";

}

/** *//** 其它的,非以上几种数据类型 */

else

{

cellValue = cell.toString() + "";

}

rowLst.add(cellValue);

}

}

return rowLst;

}

/** *//**

*

*

Description:[正确地处理整数后自动加零的情况]

*

Created by [Huyvanpull] [Jan 20, 2010]

*

Midified by [modifier] [modified time]

*

*

* @param sNum

* @return

*/

private String getRightStr(String sNum)

{

DecimalFormat decimalFormat = new DecimalFormat("#.000000");

String resultStr = decimalFormat.format(new Double(sNum));

if (resultStr.matches("^[-+]?\\d+\\.[0]+$"))

{

resultStr = resultStr.substring(0, resultStr.indexOf("."));

}

return resultStr;

}

/** *//**

*

*

Description:[测试main方法]

*

Created by [Huyvanpull] [Jan 20, 2010]

*

Midified by [modifier] [modified time]

*

*

* @param args

* @throws Exception

*/

public String getPhones(){

ArrayList dataLst = new POIExcelUtil().read("D:\\b.xls");

StringBuffer rowData = new StringBuffer();

for (int i = 0; i < dataLst.size()-1; i++) {

rowData.append(dataLst.get(i)).append(",");

}

rowData.append(dataLst.get(dataLst.size()-1));

if (rowData.length() > 0)

{

System.out.println(rowData);

}

return rowData.toString();

}

public static void main(String[] args) throws Exception

{

System.out.println(new POIExcelUtil().getPhones());

}

}

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