POI 實現excel匯入
阿新 • • 發佈:2018-11-30
POI 實現excel匯入
標籤(空格分隔): POI
excel匯入時excel匯出的逆向過程,使用相同的類和方法來實現,具體的例子為:
package com.excel.poi;
import java.io.File;
import java.io.IOException;
import org.apache.commons.io.FileUtils;
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;
public class PoiReadExcel {
public static void main(String[] args){
File file=new File("e:/poi_test.xls"); try{ //建立excel,讀取檔案內容 HSSFWorkbook workbook=new HSSFWorkbook(FileUtils.openInputStream(file)); //兩種方式讀取工作表 //HSSFSheet sheet=workbook.getSheet("sheet0"); //讀取預設第一個sheet HSSFSheet sheet=workbook.getSheetAt(0); int fisrtRowNum=0; int lastRowNum=sheet.getLastRowNum(); for(int i=fisrtRowNum;i<=lastRowNum;i++){ HSSFRow row=sheet.getRow(i); int lastCellNum=row.getLastCellNum(); for(int j=0;j<lastCellNum;j++){ HSSFCell cell=row.getCell(j); String value=cell.getStringCellValue(); System.out.print(value+" "); } System.out.println(); } }catch(IOException e){ e.printStackTrace(); } }
}