download.html

来自「写给JSP初级程序员的书」· HTML 代码 · 共 115 行

HTML
115 行
字号 
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<META name="description"  content="Java,JDBC,EJB,Open Source,jdk,rmi">
<meta name="Keywords" content="Java, servlets, Java servlet, Javascript, ActiveX, VRML,
        applet, applets, directory, news, jdbc, applications, 
        Java applications, Java developer, Java development, developer, 
        classes, Jars.com, Jars, intranet, Java applet, Javabeans, 
        Java products, JDK, Java development kit, java development environment, JIT,
        JavaPlan, enterprise tools, JVM, Java Virtual Machine, Java resources, 
        SUN, CGI, Perl, database, network, html,
        xml, dhtml, rating, ratings, review, jars, cgi, programming,
        software review, software rating">
<title>csdn_用Servlets实现Web方式的文件下载</title>
<style>
.news {   BACKGROUND: #007cd3;  font-family: "宋体"; font-size: 9pt }
.t {  font-family: "宋体"; font-size: 9pt }
.t1 { color:#007cd3;  font-family: "宋体"; font-size: 9pt }
.white { font-family: "宋体"; font-size: 9pt;color:#FFFFFF }
.red { font-family: "宋体"; font-size: 9pt;color:#FF0000 }
A {text-decoration: underline}
A:visited {color:#0000FF}
A:hover {color: #ff6666; text-decoration: none}
.text {font-size: 12px; line-height: 160%; font-family: "宋体"}
.text1 {color:#000000; font-size: 12px; line-height: 130%; font-family: "宋体"; text-decoration: none}
.text1:visited {color:#000000}
.text1:hover {color: #000000}
.text2 {color:#000000; font-size: 12px; line-height: 130%; font-family: "宋体"; text-decoration: none}
.text2:visited {color:#000000}
.text2:hover {color: #000000}
.text3 {font-size: 12px; line-height: 100%; font-family: "宋体"; text-decoration: none}
.large {font-size: 14.8px; line-height: 130%}
</style>


</head>
<body  >

    
    <!--start first table -->
     
      <TR>
          <TD WIDTH="20%" VALIGN="TOP">
            
               <TR>
                   <TD WIDTH="20%" CLASS="t" BGCOLOR="#007cd3" align="Center"></TD>
               <TR>
               <TR>
                   <TD WIDTH="20%" CLASS="t" align="center" >
                   </TD>
               <TR>
            </td>
        <TD WIDTH="100%" VALIGN="TOP" >            
            
               <TR>
                   <TD  WIDTH="100%" CLASS="white"></TD>
               <TR>               
                           
               <TR>
                   <TD WIDTH="50%" bordercolor="#FFFFFF" CLASS="t1" bgcolor="#F0F0F0" nowrap >用Servlets实现Web方式的文件下传 
                   </TD>
                 <p>  <TD WIDTH="50%" bordercolor="#FFFFFF" CLASS="t1" bgcolor="#F0F0F0" nowrap >作者：jdeveloper
                   </TD>   </p>                                     
               <TR>                              
               <TR>                   
                   <TD WIDTH="100%" bordercolor="#FFFFFF" CLASS="t" bgcolor="#F0F0F0" colspan=2>
        <pre>
// Download.java
import java.io.*;
import java.text.*;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.net.*;
/**
 * The simplest download servlet.
 *
 * @author Huang Jian-chang
 */
public class Download extends HttpServlet {
    public void doPost(HttpServletRequest request,
                      HttpServletResponse response)
        throws IOException, ServletException
    {
        response.setContentType( "application/doc" ); // MIME type for pdf doc
        response.setHeader("Content-disposition",
                  "attachment; filename=" +
                  "table.doc" );
       String fileURL = "http://hjc/table.doc";
       URL  url=new URL(fileURL);
       BufferedInputStream bis = new BufferedInputStream(url.openStream());
       BufferedOutputStream bos = new BufferedOutputStream( response.getOutputStream()); 
       byte[] buff = new byte[2048];
       int bytesRead;
       while (-1!=(bytesRead=(bis.read(buff,0,buff.length)))){
           bos.write(buff,0,bytesRead); 
       }
       if (bis!=null){
         bis.close();
       }
       if (bos!=null){
          bos.close();
      }
    }
}
</pre>
                   </TD>                   
               <TR>                 
               
               
            </TD>            
     </TR>
     </center>
</body> 
</html>

download.html - 源码说明

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