📄 choosecourse_jsp.java
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package org.apache.jsp;
import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import java.sql.*;
import sms.db.*;
import sms.bean.*;
import java.util.*;
public final class chooseCourse_jsp extends org.apache.jasper.runtime.HttpJspBase
implements org.apache.jasper.runtime.JspSourceDependent {
private String isSelected(String value1, String value2) {
if (value1 != null && value2 != null && value1.equals(value2))
return "selected";
else
return "";
}
private String isChecked(String value1, String value2) {
if (value1 != null && value2 != null && value1.equals(value2))
return "checked";
else
return "";
}
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=gb2312");
pageContext = _jspxFactory.getPageContext(this, request, response,
"", 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");
out.write("\r\n");
out.write('\r');
out.write('\n');
request.setCharacterEncoding("gb2312");
String courseId = request.getParameter("selectedCourseId");
String chooseCourseFlag = request.getParameter("chooseButton");
String term = request.getParameter("term");
String week = request.getParameter("week");
String period = request.getParameter("period");
CourseBean courseBean = new CourseBean();
if (term != null && term.equals("0")) {
term = null;
}
if (week != null && week.equals("0")) {
week = null;
}
if (period != null && period.equals("0")) {
period = null;
}
ArrayList courseList = courseBean.queryCanChooseCourse(term, week, period);//查询可选课程
if(chooseCourseFlag != null){
if(courseId == null || courseId.equals("")){//如果没有在左侧的单选按钮处选择一门课程，给出提示
out.write("\r\n");
out.write(" <script language=\"javascript\" type=\"\">\r\n");
out.write(" alert('请您选择一门课程！');\r\n");
out.write(" </script>\r\n");
}else{
StudentBean studentBean = (StudentBean)session.getAttribute("studentBean");//从session中得到登录信息
if(studentBean != null && studentBean.getStudentId() != null){//如果学生已经登录，从session中取得学生编号
CourseSchemeBean courseSchemeBean = new CourseSchemeBean();
int flag = courseSchemeBean.chooseCourse(courseId,studentBean.getStudentId(),studentBean.getClassId());
if(flag == -3){//已经选修了此课程
out.write("\r\n");
out.write(" <script language=\"javascript\" type=\"\">\r\n");
out.write(" alert('该时间有必修课！');\r\n");
out.write(" </script>\r\n");
}else if(flag == 0){//已经选修了此课程
out.write("\r\n");
out.write(" <script language=\"javascript\" type=\"\">\r\n");
out.write(" alert('您已经选择了该课程！');\r\n");
out.write(" </script>\r\n");
}else if(flag == 1){//选课成功
out.write("\r\n");
out.write(" <script language=\"javascript\" type=\"\">\r\n");
out.write(" alert('选课成功！');\r\n");
out.write(" </script>\r\n");
}else{//选课失败
out.write("\r\n");
out.write(" <script language=\"javascript\" type=\"\">\r\n");
out.write(" alert('选课失败！');\r\n");
out.write(" </script>\r\n");
}
}else{//如果学生还未登录，转发到登录页面
RequestDispatcher dispatcher = request.getRequestDispatcher("/login.jsp");
dispatcher.forward(request,response);
}
}
}
out.write("\r\n");
out.write("<html>\r\n");
out.write("<head>\r\n");
out.write("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=gb2312\">\r\n");
out.write("<title>选课</title>\r\n");
out.write("<link href=\"css/style.css\" rel=\"stylesheet\" type=\"text/css\">\r\n");
out.write("<style type=\"text/css\">\r\n");
out.write(" <!--\r\n");
out.write(" body {\r\n");
out.write(" background-color: #CCCCCC;\r\n");
out.write(" }\r\n");
out.write(" -->\r\n");
out.write("</style>\r\n");
out.write("</head>\r\n");
out.write("<body>\r\n");
out.write("<form name=\"form1\" method=\"post\" action=\"chooseCourse.jsp\">\r\n");
out.write("<table width=\"100%\" border=\"0\">\r\n");
out.write(" <tr>\r\n");
out.write(" <td height=\"30\" valign=\"top\" bgcolor=\"#999999\">\r\n");
out.write(" <table width=\"100%\">\r\n");
out.write(" <tr>\r\n");
out.write(" <td width=\"25%\" height=\"31\" align=\"center\"> 第\r\n");
out.write(" <select name=\"term\">\r\n");
out.write(" <option id=\"0\" value=\"0\">全部学期</option>\r\n");
out.write(" <option id=\"1\" value=\"1\">第1学期</option>\r\n");
out.write(" <option id=\"2\" value=\"2\">第2学期</option>\r\n");
out.write(" <option id=\"3\" value=\"3\">第3学期</option>\r\n");
out.write(" <option id=\"4\" value=\"4\">第4学期</option>\r\n");
out.write(" <option id=\"5\" value=\"5\">第5学期</option>\r\n");
out.write(" <option id=\"6\" value=\"6\">第6学期</option>\r\n");
out.write(" <option id=\"7\" value=\"7\">第7学期</option>\r\n");
out.write(" <option id=\"8\" value=\"8\">第8学期</option>\r\n");
out.write(" </select>\r\n");
out.write(" 学期\r\n");
out.write(" </td>\r\n");
out.write(" <td width=\"18%\"> 星期\r\n");
out.write(" <select name=\"week\">\r\n");
out.write(" <option id=\"0\" value=\"0\">全部</option>\r\n");
out.write(" <option id=\"1\" value=\"1\">一</option>\r\n");
out.write(" <option id=\"2\" value=\"2\">二</option>\r\n");
out.write(" <option id=\"3\" value=\"3\">三</option>\r\n");
out.write(" <option id=\"4\" value=\"4\">四</option>\r\n");
out.write(" <option id=\"5\" value=\"5\">五</option>\r\n");
out.write(" </select>\r\n");
out.write(" </td>\r\n");
out.write(" <td width=\"24%\"> 第\r\n");
out.write(" <select name=\"period\">\r\n");
out.write(" <option id=\"0\" value=\"0\">全部</option>\r\n");
out.write(" <option id=\"1\" value=\"1\">1－2</option>\r\n");
out.write(" <option id=\"2\" value=\"2\">3-4</option>\r\n");
out.write(" <option id=\"3\" value=\"3\">5-6</option>\r\n");
out.write(" <option id=\"4\" value=\"4\">7-8</option>\r\n");
out.write(" <option id=\"5\" value=\"5\">9-10</option>\r\n");
out.write(" </select>\r\n");
out.write(" 节\r\n");
out.write(" </td>\r\n");
out.write(" <td width=\"15%\"> </td>\r\n");
out.write(" <td width=\"18%\">\r\n");
out.write(" <input type=\"submit\" name=\"queryButton\" value=\"查询\">\r\n");
out.write(" </td>\r\n");
out.write(" </tr>\r\n");
out.write(" </table>\r\n");
out.write(" </td>\r\n");
out.write(" </tr>\r\n");
out.write(" <tr>\r\n");
out.write(" <td valign=\"top\">\r\n");
out.write(" <table width=\"100%\" border=\"1\" bordercolorlight=#C1A4F4 borderColorDark=#ffffff cellPadding=0 cellSpacing=0>\r\n");
out.write(" <tr>\r\n");
out.write(" <th width=\"7%\" scope=\"col\">选择</th>\r\n");
out.write(" <th width=\"8%\" scope=\"col\">课程号</th>\r\n");
out.write(" <th width=\"21%\" scope=\"col\">课程名</th>\r\n");
out.write(" <th width=\"6%\" scope=\"col\">类型</th>\r\n");
out.write(" <th width=\"11%\" scope=\"col\">教师</th>\r\n");
out.write(" <th width=\"19%\" scope=\"col\">上课时间</th>\r\n");
out.write(" <th width=\"8%\" scope=\"col\">教室</th>\r\n");
out.write(" <th width=\"20%\" scope=\"col\">课程描述</th>\r\n");
out.write(" </tr>\r\n");
out.write(" ");
if (courseList != null && courseList.size() > 0) {
System.out.println("test in chooseCourse.jsp courseList.size:" + courseList.size()); //////////////////////////////
CourseBean courseBean3 = null;
Iterator it = courseList.iterator();
String temp = "";
String temp2 = "";
while (it.hasNext()) {
courseBean3 = (CourseBean) it.next();
temp = String.valueOf(courseBean3.getBeginTime()) + "－" + String.valueOf(courseBean3.getEndTime()) + "周，周";
temp2 = String.valueOf((courseBean3.getPeriod() * 2) - 1) + "-" + String.valueOf(courseBean3.getPeriod() * 2);
temp += courseBean3.getWeek();
temp += ",第";
temp += temp2;
temp += "节";
out.write("\r\n");
out.write(" <tr>\r\n");
out.write(" <td align=\"center\">\r\n");
out.write(" <input type=\"radio\" name=\"selectedCourseId\" value=\"");
out.print(courseBean3.getCourseId());
out.write('"');
out.write(' ');
out.print(isChecked(courseBean3.getCourseId(),courseId));
out.write(" >\r\n");
out.write(" </td>\r\n");
out.write(" <td align=\"center\">");
out.print(courseBean3.getCourseId());
out.write(" </td>\r\n");
out.write(" <td align=\"center\">");
out.print(courseBean3.getCourseName());
out.write(" </td>\r\n");
out.write(" <td align=\"center\">");
out.print(courseBean3.getCourseType());
out.write(" </td>\r\n");
out.write(" <td align=\"center\">");
out.print(courseBean3.getTeacherName());
out.write(" </td>\r\n");
out.write(" <td align=\"center\">");
out.print(temp);
out.write(" </td>\r\n");
out.write(" <td align=\"center\">");
out.print(courseBean3.getClassRoom());
out.write(" </td>\r\n");
out.write(" <td align=\"center\">");
out.print(courseBean3.getDescription());
out.write(" </td>\r\n");
out.write(" </tr>\r\n");
out.write(" ");
}
}
out.write("\r\n");
out.write(" </table>\r\n");
out.write(" </td>\r\n");
out.write(" </tr>\r\n");
out.write(" <tr>\r\n");
out.write(" <td>\r\n");
out.write(" <input type=\"submit\" name=\"chooseButton\" value=\"选课\">\r\n");
out.write(" </td>\r\n");
out.write("\r\n");
out.write(" <tr>\r\n");
out.write(" <td>\r\n");
out.write(" <font size=\"2\" face=\"宋体\" color=\"#ff0000\">");
out.print(((String)request.getAttribute("noSelectARowMessege"))==null?"":(String)request.getAttribute("noSelectARowMessege"));
out.write(" </font>\r\n");
out.write(" </td>\r\n");
out.write(" </tr>\r\n");
out.write("</table>\r\n");
out.write("</form>\r\n");
out.write("</body>\r\n");
out.write("</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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