1）index.jsp
<html>
<head>
</head>
<body>
<form action ="Excel.jsp" method="post" >
<input type="file" name= file size="20" id="file" />
<input type="submit" value="Submit" />
</form>
</body>
</html>
2）Excel.jsp
<%@ page language="java" import="java.sql.*" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<%@ page import ="java.util.Date" %>
<%@ page import ="java.io.*" %>
<%@ page import ="java.io.FileNotFoundException" %>
<%@ page import ="java.io.IOException" %>
<%@ page import ="java.util.Iterator" %>
<%@ page import ="java.util.ArrayList" %>
<%@ page import ="javax.servlet.http.HttpServletRequest"%>
<%@ page import ="org.apache.poi.hssf.usermodel.HSSFCell" %>
<%@ page import ="org.apache.poi.hssf.usermodel.HSSFRow" %>
<%@ page import ="org.apache.poi.hssf.usermodel.HSSFSheet" %>
<%@ page import ="org.apache.poi.hssf.usermodel.HSSFWorkbook" %>
<%@ page import ="org.apache.poi.poifs.filesystem.POIFSFileSystem" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<%!
Connection con;
PreparedStatement ps=null;
Statement stmt= null;
public static ArrayList readExcelFile(String fileName)
{
/** --Define a ArrayList
--Holds ArrayList Of Cells
*/
ArrayList cellArrayLisstHolder = new ArrayList();
try{
/** Creating Input Stream**/
FileInputStream myInput = new FileInputStream(fileName);
/** Create a POIFSFileSystem object**/
POIFSFileSystem myFileSystem = new POIFSFileSystem(myInput);
/** Create a workbook using the File System**/
HSSFWorkbook myWorkBook = new HSSFWorkbook(myFileSystem);
/** Get the first sheet from workbook**/
HSSFSheet mySheet = myWorkBook.getSheetAt(0);
/** We now need something to iterate through the cells.**/
Iterator rowIter = mySheet.rowIterator();
while(rowIter.hasNext()){
HSSFRow myRow = (HSSFRow) rowIter.next();
Iterator cellIter = myRow.cellIterator();
ArrayList cellStoreArrayList=new ArrayList();
while(cellIter.hasNext()){
HSSFCell myCell = (HSSFCell) cellIter.next();
cellStoreArrayList.add(myCell);
}
cellArrayLisstHolder.add(cellStoreArrayList);
}
}catch (Exception e){e.printStackTrace(); }
return cellArrayLisstHolder;
}%>
<%
String file = request.getParameter("file");
String fileName=""+file+""; //testExcel.xls Excel File name
//Read an Excel File and Store in a ArrayList
ArrayList dataHolder=readExcelFile(fileName);
//Print the data read
//printCellDataToConsole(dataHolder);
try
{
Class.forName("com.mysql.jdbc.Driver");
con=DriverManager.getConnection("jdbc:mysql://localhost:3306/abl","root","gaurav");
stmt =con.createStatement();
String query="insert into student values(?,?,?)";
ps=con.prepareStatement(query);
int count=0;
ArrayList cellStoreArrayList=null;
//For inserting into database
for(int i=1;i<dataHolder.size();i++) {
cellStoreArrayList=(ArrayList)dataHolder.get(i);
ps.setString(1,((HSSFCell)cellStoreArrayList.get(0)).toString());
ps.setString(2,((HSSFCell)cellStoreArrayList.get(1)).toString());
ps.setString(3,((HSSFCell)cellStoreArrayList.get(2)).toString());
count= ps.executeUpdate();
//out.print(((HSSFCell)cellStoreArrayList.get(2)).toString() + "\t");
}
//For checking data is inserted or not?
if(count>0)
{
%>
Following deatils from Excel file have been inserted in student table of database
<table>
<tr>
<th>Student's Name</th>
<th>Class</th>
<th>Age</th>
</tr>
<%
for (int j=1;j < dataHolder.size(); j++) {
cellStoreArrayList=(ArrayList)dataHolder.get(j);%>
<tr>
<td><%=((HSSFCell)cellStoreArrayList.get(0)).toString() %></td>
<td><%=((HSSFCell)cellStoreArrayList.get(1)).toString() %></td>
<td><%=((HSSFCell)cellStoreArrayList.get(2)).toString() %></td>
</tr>
<%}
}
else
{%>
<center> Details have not been inserted!!!!!!!!!</center>
<% }
}catch(Exception e)
{}%>
</table>
</body>
</html>