📄 stu_add_2.jsp
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<%@ page contentType="text/html;charset=GBK" import="java.sql.*" %>
<%@ page errorPage="/public/errorBusy.jsp" %>
<%@ include file="/public/check_admin.jsp" %>
<jsp:useBean id="conn" scope="page" class="SQLBean.DBConn"/>
<%!
ResultSet rs=null;
String sql="";
String sp_id="";
String grade_name="";
String class_number_name="";
String url="";
String class_id="";
%>
<%
request.setCharacterEncoding("GBK");
sp_id=request.getParameter("sp_id");
grade_name=request.getParameter("grade_name");
class_number_name=request.getParameter("class_number_name");
sql="select class_id from class_sp_college where sp_id='"+sp_id+"' and grade_name='"+grade_name+"' and class_number_name='"+class_number_name+"'";
rs=conn.executeQuery(sql);
if(rs.next()){
class_id=rs.getString("class_id");
url="stu_manager.jsp?class_id="+class_id;
response.sendRedirect(url);
}else{
%>
<jsp:forward page="stumanager.jsp">
<jsp:param name="errmsg" value="班级不存在!"/>
</jsp:forward>
<%
}
%>
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