📄 xbkc.jsp
字号:
<%@page contentType="text/html;charset=GB2312"%>
<%@page import="java.sql.*"%>
<%
Connection conn=null;
Statement stmt=null;
ResultSet rs=null;
String kc_id = request.getParameter("kc_id");
String user_id=(String)session.getAttribute("user_id");
String user_name=(String)session.getAttribute("user_name");
String kc_mc="";
String kc_rs="";
try
{
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
}
catch(ClassNotFoundException ce)
{
out.println(ce.getMessage());
}
/*requset.setCharacterEncoding("GB2312");*/
try
{
conn=DriverManager.getConnection("jdbc:odbc:movie");
stmt = conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,
ResultSet.CONCUR_UPDATABLE);
rs=stmt.executeQuery("SELECT * FROM kecheng where kc_id='"+kc_id+"' ");
if(rs.next())
{
kc_mc=rs.getString("kc_mc");
kc_rs=rs.getString("kc_rs");
int a=Integer.parseInt(kc_rs);
if(a==0){
response.sendRedirect("giakechengrenshuyiman.jsp");
}
else{
String sqlstr="insert into xuanke(kc_id,user_id,user_name,kc_mc,kc_xl) values('"+kc_id+"','"+user_id+"','"+user_name+"','"+kc_mc+"','"+user_id+""+kc_id+"')";
stmt.executeUpdate(sqlstr);
stmt.executeUpdate("UPDATE kecheng SET kc_rs=kc_rs-1 where kc_id='"+kc_id+"'");
response.sendRedirect("enter1.jsp");
}
}
}
catch(SQLException e)
{
out.println(e.getMessage());
}
finally
{
stmt.close();
conn.close();
}
%>
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