📄 showgoods.jsp
字号:
<%@ page contentType="text/html;charset=GB2312" %>
<%@ page import ="java.io.*" %>
<%@ page import ="java.util.*" %>
<HTML>
<BODY>
<P> 已有货物的有关信息：
<%
try{
File f=new File("C:/","goods_name.txt");
FileInputStream in=new FileInputStream(f);
ObjectInputStream object_in=new ObjectInputStream(in);
Hashtable hashtable=(Hashtable)object_in.readObject();
object_in.close();
in.close();
Enumeration enum=hashtable.elements();
out.print("<table border=2>");
out.print("<tr>");
out.print("<td bagcolor=cyan>"+"货号"+"</td>");
out.print("<td bagcolor=cyan>"+"库存"+"</td>");
out.print("</tr>");
while(enum.hasMoreElements()) //遍历当前散列表。
{
out.print("<tr>");
String goods=(String)enum.nextElement();
StringTokenizer fenxi=new StringTokenizer(goods,"#");
while(fenxi.hasMoreTokens())
{
String str=fenxi.nextToken();
out.print("<td bgcolor=cyan >"+str+"</td>");
}
out.print("</tr>");
}
out.print("</table>");
hashtable.clear();
}
catch(Exception event)
{out.println("无法读出");
}
%>
<Table Border=2>
<tr>
<td>
<FORM action="Example4_11.jsp" method=post >
<INPUT type=submit value="录入界面">
</FORM>
</td>
<td>
<FORM action="showgoods.jsp" method=post >
<INPUT type=submit value="查看界面">
</FORM>
</td>
<td>
<FORM action="del.jsp" method=post >
<INPUT type=submit value="修改界面">
</FORM>
</td>
</Table>
</BODY>
</HTML>
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