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简单的数据库实例 用JSP实现数据库图片的存储与显示实例[3]
用JSP实现数据库图片的存储与显示实例[3]
<%@ page contentType= text/;charset=gb %><%@ page import= java sql * %><%@ page import= java util * %><%@ page import= java text * %><%@ page import= java io * %><jsp:useBean id= conn scope= page class= dbconn DBResult /><%String path = request getContextPath();String basePath = request getScheme()+ :// +request getServerName()+ : +request getServerPort()+path+ / ;%><!DOCTYPE HTML PUBLIC //W C//DTD HTML Transitional//EN ><> <head> <base href= <%=basePath%> > <title>My JSP testimageout jsp starting page</title> <meta equiv= pragma content= no cache > <meta equiv= cache control content= no cache > <meta equiv= expires content= > <meta equiv= keywords content= keyword keyword keyword > <meta equiv= description content= This is my page > <! <link rel= stylesheet type= text/css href= styles css > > </head> <body> <% int id= Integer parseInt(request getParameter( picid )); String sql = select pic from p WHERE picid= +id; ResultSet rs=conn getResult(sql); while(rs next()) { ServletOutputStream sout = response getOutputStream(); //图片输出的输出流 InputStream in = rs getBinaryStream( ); byte b[] = new byte[ x a ]; for(int i = in read(b); i != ;) { sout write(b); //将缓冲区的输入输出到页面 in read(b); } sout flush(); //输入完毕 清除缓冲 sout close(); } %> </body></>
![简单的数据库实例 用JSP实现数据库图片的存储与显示实例[3]](http://img.zhputi.com/uploads/7711/7711f1fa00fb5b6dabcb75de4c5baf4331235.jpg)
lishixinzhi/Article/program/Java/JSP/201311/20707
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