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++) {

//創建一個行對象

HSSFRow row = sheet.getRow(j);

//把一行裏的每一個字段遍歷出來

for(int i=0;i<row.getLastCellNum();i++) {
//創建一個行裏的一個字段的對象，也就是獲取到的一個單元格中的值
HSSFCell cell = row.getCell(i);
//在這裏我們就可以做很多自己想做的操作了，比如往數據庫中添加數據等
System.out.print(cell.toString() + " " );
}
System.out.println(" ");
}
}

@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
doGet(req, resp);
}
}

無需上傳附件到服務器，Servlet讀取Excel(二)