POI操作Excel詳解，讀取xls和xlsx格式的文件
阿新 • • 發佈：2017-05-05
shee xss split 類型 後綴 .sh lan xls lin
package org.ian.webutil;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import jxl.Cell;
import jxl.Sheet;
import jxl.Workbook;
import jxl.read.biff.BiffException;
import org.apache.commons.logging.Log;import org.apache.commons.logging.LogFactory;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
public class ReadExcel {
private static final Log log = LogFactory.getLog(ReadExcel.class);
/**
* 判斷後綴分批入
*/
private static void parseSUCCEXX(String realPath,String fileName){
String [] pfix= fileName.split("\\.");
String suffix = pfix[pfix.length -1];
if( suffix!=null&&!suffix.equals("")&&suffix.equals("xls")){
System.out.println("xls");
// jxl方法可讀取.xls格式
jlxExcel(realPath,fileName);
}else if(suffix .equals("xlsx")){
System.out.println("xlsx");
// poi方法可讀取Excel2007即.xlsx格式
poiExcel(realPath,fileName);
}
}
/**
* 讀取 xls JXL
* @param realPath
* @param fileName
*/
private static void jlxExcel(String realPath,String fileName){
//===============jlx方法=================
try{
File fileDes = new File(realPath);
InputStream str = new FileInputStream(fileDes);
// 構造Workbook（工作薄）對象
Workbook rwb=Workbook.getWorkbook(str);
Sheet rs=rwb.getSheet(0);//獲取第一張工作表
int rsRows=rs.getRows();//獲取Sheet表中所包含的總行數
int rsCols=rs.getColumns();//獲取Sheet表中所包含的總列數
log.info("========行========"+rsRows+"=====列========"+rsCols);
for(int i=1;i<rsRows;i++){//讀取行
log.info("========執行第========"+i+"行");
for(int j=0;j<rsCols;j++){
log.info("========執行第========"+j+"列");
Cell coo=rs.getCell(j, i);//單元格定位列，再定位行
log.info("========coo========"+coo);
String strc=coo.getContents();//讀取內容
log.info("========讀取內容strc========"+strc);
System.out.println("文件"+fileName+"的內容為："+strc);
}
}
rwb.close();
}catch (FileNotFoundException e) {
e.printStackTrace();
} catch (BiffException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
//==========讀取excel文件內容=結束=====================
}
/**
* POI讀取 xlsx
* @param realPath
* @param fileName
*/
private static void poiExcel(String realPath,String fileName){
try{
File fileDes = new File(realPath);
InputStream str = new FileInputStream(fileDes);
XSSFWorkbook xwb = new XSSFWorkbook(str); //利用poi讀取excel文件流
XSSFSheet st = xwb.getSheetAt(0); //讀取sheet的第一個工作表
int rows=st.getLastRowNum();//總行數
int cols;//總列數
log.info("========行========"+rows);
for(int i=0;i<rows;i++){
XSSFRow row=st.getRow(i);//讀取某一行數據
if(row!=null){
//獲取行中所有列數據
cols=row.getLastCellNum();
log.info("========行========"+rows+"=====列========"+cols);
for(int j=0;j<cols;j++){
XSSFCell cell=row.getCell(j);
if(cell==null){
System.out.print(" ");
}else{
//判斷單元格的數據類型
switch (cell.getCellType()) {
case XSSFCell.CELL_TYPE_NUMERIC: // 數字
System.out.print(cell.getNumericCellValue() + " ");
break;
case XSSFCell.CELL_TYPE_STRING: // 字符串
System.out.print(cell.getStringCellValue() + " ");
break;
case XSSFCell.CELL_TYPE_BOOLEAN: // Boolean
System.out.println(cell.getBooleanCellValue() + " ");
break;
case XSSFCell.CELL_TYPE_FORMULA: // 公式
System.out.print(cell.getCellFormula() + " ");
break;
case XSSFCell.CELL_TYPE_BLANK: // 空值
System.out.println("");
break;
case XSSFCell.CELL_TYPE_ERROR: // 故障
System.out.println("故障");
break;
default:
System.out.print("未知類型 ");
break;
}
}
}
}
}
}catch(IOException e){
e.printStackTrace();
}
}
/**
* test
* @param args
*/
public static void main(String[] args) {
String fileName = "banShot.xlsx";
String realPath = "d:/"+fileName;
parseSUCCEXX(realPath, fileName);
}
}POI操作Excel詳解，讀取xls和xlsx格式的文件