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📄 chgcourse_jsp.java

📁 教学管理系统的JAVA实现代码
💻 JAVA
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package org.apache.jsp.teacher;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import java.sql.*;
import base.db.*;

public final class chgcourse_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\r\n");
      base.Course cou = null;
      synchronized (session) {
        cou = (base.Course) _jspx_page_context.getAttribute("cou", PageContext.SESSION_SCOPE);
        if (cou == null){
          cou = new base.Course();
          _jspx_page_context.setAttribute("cou", cou, PageContext.SESSION_SCOPE);
        }
      }
      out.write('\r');
      out.write('\n');
      base.page.Show show = null;
      synchronized (_jspx_page_context) {
        show = (base.page.Show) _jspx_page_context.getAttribute("show", PageContext.PAGE_SCOPE);
        if (show == null){
          show = new base.page.Show();
          _jspx_page_context.setAttribute("show", show, PageContext.PAGE_SCOPE);
        }
      }
      out.write("\r\n<html>\r\n<head>\r\n<title>\r\nchgcourse\r\n</title>\r\n</head>\r\n<body bgcolor=\"#ffffff\">\r\n");

String couid=(String)request.getParameter("couid");
ResultSet rs=cou.getCourse(couid);
if (rs.next()){
cou.setCredit(rs.getString("credit"));
cou.setCur(rs.getString("cur"));
cou.setDepartment(rs.getString("department"));
cou.setId(rs.getString("id"));
cou.setMax(rs.getString("max"));
cou.setName(rs.getString("name"));
cou.setRoom(rs.getString("room"));
cou.setTeacher(rs.getString("teacher"));
cou.setTime(rs.getString("time"));

      out.write("\r\n<table width=\"100%\" height=\"500\"  border=\"0\" cellpadding=\"0\" cellspacing=\"0\" bgcolor=\"#FFFFFF\">\r\n  <tr>\r\n    <td height=\"20\">&nbsp;</td>\r\n  </tr>\r\n  <tr>\r\n    <td align=\"center\" valign=\"top\"> <table width=\"500\" border=\"0\" align=\"center\" cellpadding=\"0\" cellspacing=\"0\" bgcolor=\"#F5f7f7\">\r\n      <form name=\"form\" method=\"post\" action=\"chgaction.jsp\">\r\n      <tr align=\"center\" bgcolor=\"#21536A\">\r\n        <td height=\"27\" colspan=\"2\"><font color=\"#FFFF33\">修改课程信息</font></td>\r\n      </tr>\r\n      <tr>\r\n        <td width=\"200\" height=\"22\" align=\"center\">课程id:</td>\r\n        <td width=\"300\">");
      out.print(cou.getId());
      out.write("</td>\r\n      </tr>\r\n      <tr>\r\n        <td width=\"200\" height=\"22\" align=\"center\">课程名称:</td>\r\n        <td width=\"300\"><input type=\"text\" name=\"name\" value=\"");
      out.print(cou.getName());
      out.write("\"></td>\r\n      </tr>\r\n\r\n      <tr>\r\n        <td width=\"200\" height=\"22\" align=\"center\">教室:</td>\r\n        <td width=\"300\"><input type=\"text\" name=\"room\" value=\"");
      out.print(cou.getRoom());
      out.write("\"></td>\r\n      </tr>\r\n      <tr>\r\n        <td height=\"22\" align=\"center\">时间:</td>\r\n        <td><input type=\"text\" name=\"time\" value=\"");
      out.print(cou.getTime());
      out.write("\"></td>\r\n      </tr>\r\n      <tr>\r\n        <td height=\"22\" align=\"center\">最大人数:</td>\r\n        <td><input type=\"text\" name=\"max\" value=\"");
      out.print(cou.getMax());
      out.write("\"></td>\r\n      </tr>\r\n      <tr>\r\n        <td height=\"22\" align=\"center\">学分:</td>\r\n        <td><input type=\"text\" name=\"credit\" value=\"");
      out.print(cou.getCredit());
      out.write("\"></td>\r\n      </tr>\r\n\r\n\r\n      <tr align=\"center\">\r\n        <td height=\"35\" colspan=\"2\"><input type=\"submit\" name=\"Submit\" value=\"修改\" onClick=\"return reg()\">\r\n        &nbsp;&nbsp;\r\n        <input type=\"reset\" name=\"Reset\" value=\"重置\"></td>\r\n      </tr>\r\n      </form>\r\n\r\n  </tr>\r\n</table>\r\n");
}
else {
  out.print(show.errorBox("数据库错误!","错误信息"));
}

      out.write("\r\n\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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