imageinfo.sql
CREATE TABLE [dbo].[emp] (
[name] [varchar] (50) COLLATE Chinese_PRC_CI_AS NULL ,
[pay] [money] NULL ,
[img] [image] NULL
) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]
test.html
<HTML>
<HEAD>
<TITLE>Image File </TITLE>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</HEAD>
<h1>图片上传</h1>
<FORM METHOD=POST ACTION="testimage.jsp">
<INPUT TYPE="text" NAME="content"><BR>
<INPUT TYPE="file" NAME="image"><BR>
<INPUT TYPE="submit"></FORM>
<BODY>
</BODY>
</HTML>
testimage.jsp
<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.sql.*" %>
<%@ page import="java.util.*"%>
<%@ page import="java.text.*"%>
<%@ page import="java.io.*"%>
<html>
<body>
<%
Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
String url = "jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=imageinfo";
Connection conn = DriverManager.getConnection(url,"sa","sa");
System.out.println("diver is ok");
String content=request.getParameter("content");
String filename=request.getParameter("image");
FileInputStream img=new FileInputStream(filename);
String sql="insert into emp(name,pay,img) values('lyd',12,?)";
PreparedStatement pstmt=conn.prepareStatement(sql);
pstmt.setBinaryStream(1,img,img.available());
pstmt.execute();
out.println("Success,You Have Insert an Image Successfully");
pstmt.close();
conn.close();
img.close();
%>
show.jsp
<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.sql.*" %>
<%@ page import="java.util.*"%>
<%@ page import="java.text.*"%>
<%@ page import="java.io.*"%>
<html>
<body>
<%
Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
String url = "jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=imageinfo";
Connection conn = DriverManager.getConnection(url,"sa","sa");
System.out.println("diver is ok");
String sql = "select img from emp ";
Statement stmt=null;
ResultSet rs=null;
try{
stmt=conn.createStatement();
rs=stmt.executeQuery(sql);
}catch(SQLException e)
{
out.println("db connection error!");
}
try{
while(rs.next()){
//rs.setContentType("image/jpeg");
ServletOutputStream sout = response.getOutputStream();
InputStream in = rs.getBinaryStream("img");
byte b[] = new byte[0x7a120];
for(int i = in.read(b); i != -1;)
{
sout.write(b);
in.read(b);
}
sout.flush();
sout.close();
in.close();
}
}
catch(Exception e){System.out.println(e);}
finally{
rs.close();
stmt.close();
conn.close();
}
%>
</body>
</html>
以下方法为输出到磁盘上：
package org.hank.test;
import java.io.*;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
public class ImageTest {
/**
* @param args
*/
public static void main(String[] args) {
String driver = "com.microsoft.jdbc.sqlserver.SQLServerDriver";
String url = "jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=imageinfo";
String user = "sa";
String password = "sa";
InputStream in = null;
try
{
FileOutputStream fos=new FileOutputStream("c:\\123.jpg");
Class.forName(driver);
Connection conn = DriverManager.getConnection(url, user, password);
Statement stmt = conn.createStatement();
String sql = "select img from emp";
ResultSet rs = stmt.executeQuery(sql);
System.out.println(rs.toString());
if (rs.next())
{
in = rs.getBinaryStream("img");
int len;
byte[] buf = new byte[1024];
while ( ( len = in.read(buf, 0, 1024) ) != -1 )
{
fos.write(buf, 0, len);
}
}
}
catch (Exception exc){}
}
}
posted on 2008-05-07 00:03
Hank1026 阅读(494)
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