📄 download.html
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<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,
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<title>csdn_用Servlets实现Web方式的文件下载</title>
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<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>
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<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>
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