无需上传附件到服务器，Servlet读取Excel(二)

package com.str;

import java.io.File;

import java.io.FileInputStream;

import java.io.IOException;

import javax.servlet.ServletException;

import javax.servlet.ServletInputStream;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.apache.poi.hssf.model.Workbook;

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 ReadExcel extends HttpServlet{

 

 @Override

 protected void doGet(HttpServletRequest req, HttpServletResponse resp)

   throws ServletException, IOException {

  

  byte[] junk = new byte[1024];  

        int bytesRead = 0;  

       

        ServletInputStream is = req.getInputStream();

       

        // shou首先除去Http Head  

        bytesRead   =   is.readLine(junk,0,junk.length);  

        bytesRead   =   is.readLine(junk,0,junk.length);  

        bytesRead   =   is.readLine(junk,0,junk.length);  

        bytesRead   =   is.readLine(junk,0,junk.length);   

        HSSFWorkbook wb = new HSSFWorkbook(is);

        HSSFSheet sheet = wb.getSheetAt(0);

        for(int j=0;j< sheet .getLastRowNum()+1;j++) {

         

         //创建一个行对象

         

         HSSFRow row = sheet.getRow(j);

         

         //把一行里的每一个字段遍历出来

         

         for(int i=0;i<row.getLastCellNum();i++) {

         //创建一个行里的一个字段的对象，也就是获取到的一个单元格中的值

         HSSFCell cell = row.getCell(i);

         //在这里我们就可以做很多自己想做的操作了，比如往数据库中添加数据等

         System.out.print(cell.toString() + " " );

         }

          System.out.println("  ");

         }

 }

 

 @Override

 protected void doPost(HttpServletRequest req, HttpServletResponse resp)

   throws ServletException, IOException {

  doGet(req, resp);

 }

}