📄 delcourse_jsp.java
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package org.apache.jsp.student;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import base.db.*;
import java.sql.*;
public final class delcourse_jsp extends org.apache.jasper.runtime.HttpJspBase
implements org.apache.jasper.runtime.JspSourceDependent {
private static java.util.Vector _jspx_dependants;
public java.util.List getDependants() {
return _jspx_dependants;
}
public void _jspService(HttpServletRequest request, HttpServletResponse response)
throws java.io.IOException, ServletException {
JspFactory _jspxFactory = null;
PageContext pageContext = null;
HttpSession session = null;
ServletContext application = null;
ServletConfig config = null;
JspWriter out = null;
Object page = this;
JspWriter _jspx_out = null;
PageContext _jspx_page_context = null;
try {
_jspxFactory = JspFactory.getDefaultFactory();
response.setContentType("text/html; charset=GB18030");
pageContext = _jspxFactory.getPageContext(this, request, response,
null, true, 8192, true);
_jspx_page_context = pageContext;
application = pageContext.getServletContext();
config = pageContext.getServletConfig();
session = pageContext.getSession();
out = pageContext.getOut();
_jspx_out = out;
out.write("\r\n\r\n\r\n");
base.Student stu = null;
synchronized (session) {
stu = (base.Student) _jspx_page_context.getAttribute("stu", PageContext.SESSION_SCOPE);
if (stu == null){
stu = new base.Student();
_jspx_page_context.setAttribute("stu", stu, PageContext.SESSION_SCOPE);
}
}
out.write("\r\n<html>\r\n<head>\r\n<title>\r\ndelcourse\r\n</title>\r\n</head>\r\n<body bgcolor=\"#ffffff\">\r\n");
String couid=(String)request.getParameter("couid");
stu.delCou(couid);
Conn con =new Conn();
ResultSet rs =con.getRs("select cur from course where id="+couid+";");
rs.next();
int i=rs.getInt("cur")-1;
Data data =new Data();
data.update("update course set cur="+i+" where id="+couid+";");
out.print("<script>alert('删除成功！');document.location='lessoninfo.jsp';</script>");
out.write("\r\n</body>\r\n</html>\r\n");
} catch (Throwable t) {
if (!(t instanceof SkipPageException)){
out = _jspx_out;
if (out != null && out.getBufferSize() != 0)
out.clearBuffer();
if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
}
} finally {
if (_jspxFactory != null) _jspxFactory.releasePageContext(_jspx_page_context);
}
}
}
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