<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
pageEncoding="ISO-8859-1"%>
<%@ page import="org.apache.poi.hssf.usermodel.HSSFCell"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<%
//HSSFCell cell=new HSSFCell();
//cell.
%>
<form action="uploadExcelsb123.jsp" method="post" enctype="multipart/form-data">
Name: <input type="file" name="excel"><br>
<input type="submit"" name="Upload">
</form>
</body>
</html>
<%@page import="java.sql.Connection"%>
<%@page import="java.sql.PreparedStatement"%>
<%@page import="org.apache.commons.io.IOUtils"%>
<%@ page
import="org.apache.commons.fileupload.servlet.ServletFileUpload"%>
<%@ page import="org.apache.commons.fileupload.disk.DiskFileItemFactory"%>
<%@ page import="org.apache.commons.fileupload.*"%>
<%@ page import="com.api.dao.MyDataConnect"%>
<%@ page import="java.util.*,java.io.*"%>
<%@ page import="java.util.Iterator"%>
<%@ page import="java.util.List"%>
<%@ page import="java.util.Map"%>
<%@ page import="java.io.File"%>
<%@ 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="com.api.dao.MyDataConnect;"%><html>
<head>
<title>Bulk Upload Page</title>
</head>
<body>
<%
Map<String,String> mp=new HashMap<String,String>();
try {
String ImageFile = "";
String itemName = "";
boolean isMultipart = ServletFileUpload
.isMultipartContent(request);
if (!isMultipart) {
} else {
FileItemFactory factory = new DiskFileItemFactory();
ServletFileUpload upload = new ServletFileUpload(factory);
List items = null;
try {
items = upload.parseRequest(request);
} catch (FileUploadException e) {
e.getMessage();
}
Connection conn = new MyDataConnect().giveConnection();
//Date d = new Date();
FileItem item = (FileItem) items.get(0);
//InputStream is=item.getInputStream();
HSSFWorkbook workbook = new HSSFWorkbook(item.getInputStream());
String ipaddress=request.getRemoteAddr();
HSSFSheet sh = (HSSFSheet) workbook.getSheet("Sheet1");
Iterator<HSSFRow> rowIterator = sh.rowIterator();
%>
<table border="4">
<%
int rowcount=0;
System.out.println("xdgdsf");
while(rowIterator.hasNext()) {
String user_id="";
String name="",email="";
String age="";
HSSFRow row = rowIterator.next();
Iterator<HSSFCell> cellIterator = row.cellIterator();
%><tr> <%
int colcount=0;
while(cellIterator.hasNext()) {
HSSFCell cell = cellIterator.next();
%><td><%
String value="";
int no=0;
switch(cell.getCellType()) {
case HSSFCell.CELL_TYPE_NUMERIC:
System.out.print(cell.getNumericCellValue() + "\t\t");
if((int) cell.getNumericCellValue()==0){
no=0;
}else{
no=(int) cell.getNumericCellValue();
}
String column=mp.get(colcount+"");
if(column.trim().equals("user_id")){
out.print(cell.getNumericCellValue() + "\t\t");
user_id=no+"";
}else if(column.trim().equals("age")){
out.print(cell.getNumericCellValue() + "\t\t");
age=no+"";
}
break;
case HSSFCell.CELL_TYPE_STRING:
System.out.print(cell.getStringCellValue().toString() + "\t\t");
if(cell.getStringCellValue().toString()==null || cell.getStringCellValue().toString()=="" || cell.getStringCellValue().toString().trim().length()==0 ){
value="NA";
}else{
value=cell.getStringCellValue().toString();
}
if(rowcount!=0){
column=mp.get(colcount+"");
// System.out.println(mp);
if(column.trim().equals("name")){
out.print(cell.getStringCellValue().toString() + "\t\t");
name=value;
}else if(column.trim().equals("email")){
out.print(cell.getStringCellValue().toString() + "\t\t");
email=value;
}else if(column.trim().equals("user_id")){
out.print(cell.getNumericCellValue() + "\t\t");
user_id=no+"";
}else if(column.trim().equals("age")){
out.print(cell.getNumericCellValue() + "\t\t");
age=no+"";
}
}
break;
}
if(rowcount==0){
mp.put(colcount+"",cell.getStringCellValue().toString().trim());
}
colcount+=1;
%></td><%
}
System.out.println("\n");
rowcount+=1;
%></tr><%
if(rowcount!=0){
String query="insert into bulk_upload(user_id,name,email,age) values('"+user_id+"','"+name+"','"+email+"','"+age+"')";
System.out.println(query);
PreparedStatement ptmt=conn.prepareStatement(query);
int i=ptmt.executeUpdate();
if(i==1){
System.out.println("Updated --------- ");
}else{
System.out.println("Not Updated --------- ");
}
ptmt.close();
}
conn.close();
%></table><%
}
}
}catch(Exception e){
e.printStackTrace();
System.out.println(e);
}
%>
</body>
</html>
user_id and Age Should Be Integer remaining should be String
abouve Code is for java 1.5 accepts only xls file not xlsx,
libraries are
commons-fileupload-1.3.jar
mysql-connector-java-5.1.18-bin.jar
org.apache.commons.io.jar
poi-2.5.1-final-20040804.jar