说明:sql2000数据库的 图片字段是<Binary>的 1,存入代码 <%@ page contentType="text/html;charset=gb2312" %> <%@page import="java.sql.*"%> <%@page import="java.util.*"%> <%@page import="java.io.*"%> <%@page import="java.text.*"%> <% String content=request.getParameter("content"); String filename=request.getParameter("image"); FileInputStream str=new FileInputStream(filename); Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").getInterfaces(); Connection conn=java.sql.DriverManager.getConnection ("jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=gamestar", "sa", "");String sql="insert into image(name,img) values(?,?)"; PreparedStatement pstmt=conn.prepareStatement(sql); pstmt.setString(1,content); pstmt.setBinaryStream(2,str,str.available()); pstmt.execute(); %>
2,读出代码 <%@ page contentType="image/gif;charset=gb2312" %> <%@ page import="java.sql.*" %> <%@ page import="java.util.*"%> <%@ page import="java.text.*"%> <%@ page import="java.io.*"%> <% Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver").getInterfaces(); Connection conn=java.sql.DriverManager.getConnection ("jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=gamestar", "sa", ""); Statement stmt=conn.createStatement(); int id=45; //int id= Integer.parseInt(request.getParameter("id")); String sql = "select * from image WHERE name="+id+""; ResultSet rs=stmt.executeQuery(sql); while(rs.next()) { java.io.InputStream in=rs.getBinaryStream("img"); java.io.OutputStream myout=response.getOutputStream(); int len=0; byte[] buffer=new byte[1024]; while((len=in.read(buffer))>0) { myout.write(buffer,0,len); } in.close(); myout.flush(); myout.close(); } %> 3,显示结果 是一张显示不出来的图片,是显示不出来的图片哦 
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