📄 a_askdelectshow.jsp
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<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>后台撤销点餐显示</title>
<STYLE>
#Layer1 {
Z-INDEX: 1;
WIDTH: 118px;
POSITION: absolute;
HEIGHT: 28px
}
body {
}
.STYLE1 {color: #FFFFFF}
</STYLE>
</head>
<body>
<table width="100%" border="1" align="left" cellpadding="0" cellspacing="0" bordercolor="#B98631" style="FONT-SIZE: 14px; COLOR: #323229">
<tr>
<th align="left" bgcolor="#B98631" scope="col"><span class="STYLE1"> </span>后台撤销点餐显示</th>
</tr>
<tr>
<td>
<%
String ID=request.getParameter("ID");
if(ID==null)
{ ID="";
}
byte b[]=ID.getBytes("ISO-8859-1");
ID=new String(b);
Connection con=null;
Statement sql=null;
ResultSet rs=null;
try{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
}
catch(ClassNotFoundException event){}
try{
con=DriverManager.getConnection("jdbc:odbc:lzyHotel");
sql=con.createStatement();
rs=sql.executeQuery("SELECT * FROM ask where table_number='"+ID+"'");
if(!rs.next())
{
out.println("<script language='JavaScript'>");
out.println("alert('无此信息表!')");
out.println("history.go(-1)");
out.println("</script>");
}
else{
String deleteAll="DELETE FROM ask where table_number="+"'"+ID+"'";
sql.executeUpdate(deleteAll);}
%>
</p>
<p><span class="STYLE9"> 现在就餐情况为</span>：
<% rs=sql.executeQuery("SELECT * from ask");
out.print("<Table Border>");
out.print("<TR>");
out.print("<TH width=100>"+"菜肴名称");
out.print("<TH width=100>"+"餐台号");
out.print("<TH width=100>"+"数量");
out.print("</TR>");
while(rs.next())
{
out.print("<TR>");
out.print("<TD>"+rs.getString(1)+"</TD>");
out.print("<TD>"+rs.getString(2)+"</TD>");
out.print("<TD>"+rs.getString(3)+"</TD>");
out.print("</TR>");
}
out.print("</Table>");
con.close();
}
catch(SQLException e1){out.print(e1);}
%>
</td>
</tr>
</table>
</body>
</html>
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