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<%@page import="java.util.*"%>
<%@page import="java.io.*"%>
<%@page import="java.net.*"%>
<%
String filename = "";
if (request.getParameter("file") != null) {
filename = request.getParameter("file");
}
response.setContentType("application/msword");
response.setHeader("Content-disposition","attachment; filename="+filename);
BufferedInputStream bis = null;
BufferedOutputStream bos = null;
try {
bis = new BufferedInputStream(new FileInputStream(getServletContext().getRealPath("" + filename)));
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);
}
} catch(final IOException e) {
System.out.println ( "³öÏÖIOException." + e );
} finally {
if (bis != null)
bis.close();
if (bos != null)
bos.close();
}
return;
%>
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      int a;
      int add(int a,int b)
      {
           return a+b;
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<META HTTP-EQUIV="pragma" CONTENT="no-cache">
<META HTTP-EQUIV="Cache-Control" CONTENT="no-cache, must-revalidate">
<META HTTP-EQUIV="expires" CONTENT="Wed, 26 Feb 1997 08:21:57 GMT">
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goodsbean.java
package sale;
public class goodsbean{
    String Product;
    double Price;
    public goodsbean (){
    this.Product = "box";
    this.Price = 5.0;
    }
public void setProduct (String ......

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Ê×ÏÈÊÇÌá½»Ò³Ãæ£ºÈý¸ö±íµ¥(form1,form2,form3)
         <form name="form1" method="post" action="checklogin.jsp" class="niceform">
            <input name="qx" type="hidden" value="3">
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