how to retrieve images from database to jsp?
Hi sir,i want to stores images along with the name and price with database and retrieve it on jsp.and that image also should act as link.when i click on the image retrieved,it should display the elaborated image in th next page.plz help me in coding.its vey urgent.
View Answers
April 9, 2012 at 1:04 PM
1)images:
<%@ page import="java.sql.*,java.io.*,java.util.*" %>
<HTML>
<table border="1">
<tr><th>ID</th><th>Image</th></tr>
<%
try{
Class.forName("com.mysql.jdbc.Driver").newInstance();
Connection con=DriverManager.getConnection("jdbc:mysql://localhost:3306/test","root","root");
Statement stmt=con.createStatement();
String strQuery = "select * from data";
ResultSet rs = stmt.executeQuery(strQuery);
while(rs.next()){
%>
<tr>
<td><%=rs.getInt("id")%></td>
<td>
<img src="image.jsp?imgid=<%=rs.getInt(1)%>" width="100" height="100">
</a></td>
</tr>
<%
}
rs.close();
con.close();
stmt.close();
}
catch(Exception e)
{
e.getMessage();
}
%>
</table>
</HTML>
2)image.jsp:
<%@ page import="java.sql.*,java.io.*,java.util.*" %>
<%
int id = Integer.parseInt(request.getParameter("imgid"));
try{
Class.forName("com.mysql.jdbc.Driver").newInstance();
Connection con=DriverManager.getConnection("jdbc:mysql://localhost:3306/test","root","root");
Statement st=con.createStatement();
String strQuery = "select image from data where id="+id;
ResultSet rs = st.executeQuery(strQuery);
String imgLen="";
if(rs.next()){
imgLen = rs.getString(1);
}
rs = st.executeQuery(strQuery);
if(rs.next()){
int len = imgLen.length();
byte [] rb = new byte[len];
InputStream readImg = rs.getBinaryStream(1);
int index=readImg.read(rb, 0, len);
st.close();
response.reset();
response.getOutputStream().write(rb,0,len);
response.getOutputStream().flush();
}
}
catch (Exception e){
e.printStackTrace();
}
%>
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