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kecheng4_0002ejsp_jsp.java
资源名称：JSP02.rar　[点击查看]
上传用户：top0756
上传日期：2022-08-11
资源大小：6501k
文件大小：5k
源码类别：

Jsp/Servlet

开发平台：

VBScript

kecheng4_0002ejsp_jsp.java：源码内容
  1. import java.sql.*;
  2. import java.util.*;
  3. import proj112.*;
  4. import javax.servlet.*;
  5. import javax.servlet.http.*;
  6. import javax.servlet.jsp.*;
  7. import org.apache.jasper.runtime.*;
  10. public class kecheng4_0002ejsp_jsp extends HttpJspBase {
  12.     // begin [file="/kecheng4.jsp";from=(5,0);to=(5,57)]
  13.     // end
  15.     static {
  16.     }
  17.     public kecheng4_0002ejsp_jsp( ) {
  18.     }
  20.     private static boolean _jspx_inited = false;
  22.     public final void _jspx_init() throws org.apache.jasper.runtime.JspException {
  23.     }
  25.     public void _jspService(HttpServletRequest request, HttpServletResponse  response)
  26.         throws java.io.IOException, ServletException {
  28.         JspFactory _jspxFactory = null;
  29.         PageContext pageContext = null;
  30.         HttpSession session = null;
  31.         ServletContext application = null;
  32.         ServletConfig config = null;
  33.         JspWriter out = null;
  34.         Object page = this;
  35.         String  _value = null;
  36.         try {
  38.             if (_jspx_inited == false) {
  39.                 synchronized (this) {
  40.                     if (_jspx_inited == false) {
  41.                         _jspx_init();
  42.                         _jspx_inited = true;
  43.                     }
  44.                 }
  45.             }
  46.             _jspxFactory = JspFactory.getDefaultFactory();
  47.             response.setContentType("text/html; charset=GBK");
  48.             pageContext = _jspxFactory.getPageContext(this, request, response,
  49.              "", true, 8192, true);
  51.             application = pageContext.getServletContext();
  52.             config = pageContext.getServletConfig();
  53.             session = pageContext.getSession();
  54.             out = pageContext.getOut();
  56.             // HTML // begin [file="/kecheng4.jsp";from=(0,48);to=(1,0)]
  57.                 out.write("rn");
  59.             // end
  60.             // HTML // begin [file="/kecheng4.jsp";from=(1,31);to=(2,0)]
  61.                 out.write("rn");
  63.             // end
  64.             // HTML // begin [file="/kecheng4.jsp";from=(2,27);to=(3,0)]
  65.                 out.write("rn");
  67.             // end
  68.             // HTML // begin [file="/kecheng4.jsp";from=(3,32);to=(4,0)]
  69.                 out.write("rn");
  71.             // end
  72.             // HTML // begin [file="/kecheng4.jsp";from=(4,30);to=(5,0)]
  73.                 out.write("rn");
  75.             // end
  76.             // begin [file="/kecheng4.jsp";from=(5,0);to=(5,57)]
  77.                 proj112.dbconn a = null;
  78.                 boolean _jspx_speciala  = false;
  79.                  synchronized (pageContext) {
  80.                     a= (proj112.dbconn)
  81.                     pageContext.getAttribute("a",PageContext.PAGE_SCOPE);
  82.                     if ( a == null ) {
  83.                         _jspx_speciala = true;
  84.                         try {
  85.                             a = (proj112.dbconn) java.beans.Beans.instantiate(this.getClass().getClassLoader(), "proj112.dbconn");
  86.                         } catch (ClassNotFoundException exc) {
  87.                              throw new InstantiationException(exc.getMessage());
  88.                         } catch (Exception exc) {
  89.                              throw new ServletException (" Cannot create bean of class "+"proj112.dbconn", exc);
  90.                         }
  91.                         pageContext.setAttribute("a", a, PageContext.PAGE_SCOPE);
  92.                     }
  93.                  } 
  94.                 if(_jspx_speciala == true) {
  95.             // end
  96.             // begin [file="/kecheng4.jsp";from=(5,0);to=(5,57)]
  97.                 }
  98.             // end
  99.             // HTML // begin [file="/kecheng4.jsp";from=(5,57);to=(14,0)]
  100.                 out.write("rn<html>rn<head>rn<title>rnkecheng4rn</title>rn</head>rn<body bgcolor="#ffffff">rnrn");
  102.             // end
  103.             // begin [file="/kecheng4.jsp";from=(14,2);to=(22,1)]
  104.                 
  105.                  request.setCharacterEncoding("GBK");
  106.                  String kechenghao=request.getParameter("id3");
  107.                  String xuehao=(String)session.getAttribute("id");
  108.                  String sql="";
  109.                    sql="DELETE FROM 选课关联 where stu_id='"+xuehao+"' and kch='"+kechenghao+"'";
  110.                    a.executeUpdate(sql);
  111.                   response.sendRedirect("kecheng3.jsp") ;
  112.                  
  113.             // end
  114.             // HTML // begin [file="/kecheng4.jsp";from=(22,3);to=(30,0)]
  115.                 out.write("rnrnrnrnrn</body>rn</html>rnrn");
  117.             // end
  119.         } catch (Throwable t) {
  120.             if (out != null && out.getBufferSize() != 0)
  121.                 out.clearBuffer();
  122.             if (pageContext != null) pageContext.handlePageException(t);
  123.         } finally {
  124.             if (_jspxFactory != null) _jspxFactory.releasePageContext(pageContext);
  125.         }
  126.     }
  127. }