显示来自MySQL的多个Blob文件

Question

我想在Java Web App项目中创建一个图库。画廊读取存储为mySQL DB中BLOB文件的图像。这是我所做的，但是仅显示数据库中的第一个图像。是否可以从数据库读取多个BLOB图像，还是最好从文件夹中存储的图像创建图库？

<%@ page import="java.sql.*"%>
<%@ page import="java.io.*"%>

<%
Blob image = null;
Connection con = null;
byte[ ] imgData = null ;
Statement stmt = null;
ResultSet rs = null;
try {
Class.forName("com.mysql.jdbc.Driver");
con = DriverManager.getConnection("jdbc:mysql://localhost:3306/capture","root","");
stmt = con.createStatement();
rs = stmt.executeQuery("select file from photoentry");
if (rs.next()) {
image = rs.getBlob(1);
imgData = image.getBytes(1,(int)image.length());
}
else {
out.println("Display Blob Example");
out.println("image not found for given id>");
return;
}
// display the image
response.setContentType("image/jpg");
OutputStream o = response.getOutputStream();
o.write(imgData);
o.flush();
o.close();
} catch (Exception e) {
out.println("Unable To Display image");
out.println("Image Display Error=" + e.getMessage());
return;
} finally {
try {
rs.close();
stmt.close();
con.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
%>