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POI 读取EXCEL实现程序_PHP教程

WBOYasal: 2016-07-20 11:11:461283semak imbas

代码如下

复制代码

/*
* 使用POI读取EXCEL文件
*/
import java.io.File;
import java.io.FileInputStream;
import java.util.ArrayList;

import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;

/**
*
* @author Hanbin
*/
public class ReadExcel {

     /**
      * @param args the command line arguments
      */
     public static void main(String[] args)throws Exception {
         read("d:demo.xls");
     }

     public static ArrayList read(String fileName){
         ArrayList list = new ArrayList();
         String sql = "";
         try{
             File f = new File(fileName);
             FileInputStream fis = new FileInputStream(f);
             HSSFWorkbook wbs = new HSSFWorkbook(fis);
             HSSFSheet childSheet = wbs.getSheetAt(0);
             System.out.println("行数:" + childSheet.getLastRowNum());
             for(int i = 4;i                 HSSFRow row = childSheet.getRow(i);
                 System.out.println("列数:" + row.getPhysicalNumberOfCells());
                 if(null != row){
                     for(int k=1;k                         HSSFCell cell;
                         cell = row.getCell((short)k);
                        // System.out.print(getStringCellValue(cell) + "t");
                         list.add(getStringCellValue(cell) + "t");
                     }
                 }
             }
         }catch(Exception e){
             e.printStackTrace();
         }
         return list;
     }
     /**
      * 获取单元格数据内容为字符串类型的数据
      *
      * @param cell Excel单元格
      * @return String 单元格数据内容
      */
     private static String getStringCellValue(HSSFCell cell) {
         String strCell = "";
         switch (cell.getCellType()) {
         case HSSFCell.CELL_TYPE_STRING:
             strCell = cell.getStringCellValue();
             break;
         case HSSFCell.CELL_TYPE_NUMERIC:
             strCell = String.valueOf(cell.getNumericCellValue());
             break;
         case HSSFCell.CELL_TYPE_BOOLEAN:
             strCell = String.valueOf(cell.getBooleanCellValue());
             break;
         case HSSFCell.CELL_TYPE_BLANK:
             strCell = "";
             break;
         default:
             strCell = "";
             break;
         }
         if (strCell.equals("") || strCell == null) {
             return "";
         }
         if (cell == null) {
             return "";
         }
         return strCell;
     }
}

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