📄 showimg.jsp

📁 为交课程设计
💻 JSP
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<%@ include file="../sys/sessioncheck.jsp"%><html>
<HEAD>
<META HTTP-EQUIV="Pragma" CONTENT="no-cache">
<META HTTP-EQUIV="Cache-Control" CONTENT="no-cache">
<META HTTP-EQUIV="Expires" CONTENT="0">
</HEAD>

<%@ page contentType="text/html; charset=GBK" %>
<%@ page import="java.io.FileOutputStream"%>
   <%@ page language="java" %>
   <%@ page import="java.io.*"%>
   <%@ page import="com.infodeliver.hr.util.DBUtil"%>
   <%@ page import="com.infodeliver.hr.util.DBConnection"%>
   <%@ page import="com.infodeliver.hr.util.ResultHandler"%>
   <%@ page import="java.sql.ResultSet"%>
   <%@ page import="com.infodeliver.hr.person.form.PersonActionForm"%>
   <%

   String strPathFile = application.getRealPath("");
   String strPathFile1 = application.getRealPath(request.getServletPath());

   System.out.println(strPathFile);
   System.out.println(strPathFile1);
   String personid = null;
   final PersonActionForm personActionForm = new PersonActionForm();
   personid = request.getParameter("person_id");
   DBConnection conn = session.getAttribute("DBConnection");
   String sql = "select * from pr_person where person_id = " + personid;
    try {
      DBUtil.ProccessSql(conn, sql, new ResultHandler() {
        public void proccess(ResultSet rs) throws Exception {

        InputStream imgin =rs.getBinaryStream("picture");
        personActionForm.setImg(imgin);
        }
      });

    }
    catch (Exception ex) {
      ex.printStackTrace();
    }

   InputStream in=personActionForm.getImg();
   String imgpath = null;
   imgpath=strPathFile+"\\upload\\"+personid+".jpg";

    FileOutputStream out1 = null;
   try {
      out1 = new FileOutputStream(imgpath);
   }
   catch (Exception ex) {
     ex.printStackTrace();
   }

   response.reset();
   response.setHeader("progma","no-cache");
   response.setHeader("Cache-Control","no-cache");
   response.setDateHeader("Expires",0);
   response.setContentType("image/jpeg");
   byte[] b = new byte[1024];
   int len;
   while((len=in.read(b)) >0)
   {response.getOutputStream().write(b,0,len);
   out1.write(b,0,len);
   in.close();}

   out1.close();
   PersonActionForm eform = (PersonActionForm)session.getAttribute("personForm");
   eform.setImppath(imgpath);
   session.removeAttribute("personForm");
   session.setAttribute("personForm",eform);
   %>
</html>
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