📄 inputcoursename.jsp

📁 《JSP时尚编程百例》一例源代码81-100
💻 JSP
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<%@ page language="java" %>
<%@ page contentType="text/html;charset=gb2312" %>
<script language="javascript" >
<!--
     function cleardata(){
       for( i=0; i<document.frm.txtCourseName.length; i++ )
	 document.frm.txtCourseName[i].value="";
       }	
//-->
</script>
<%
     String  errorMessage = "",
             teacherName = request.getParameter("txtTeacherName").trim(),
	     className = request.getParameter("txtClassName").trim();
     int studentNum=0,
	    courseNum=0;
     if( teacherName.length()==0 ) errorMessage += "必须输入教师姓名<br>";
     if( className.length()==0 ) errorMessage += "必须输入班级名称<br>";
	
     try{
      courseNum= Integer.parseInt( request.getParameter("txtCourseNum").trim() );
     }
     catch( NumberFormatException nfex ){
     } 
     if( courseNum < 1 ) errorMessage += "科目数不正确<br>";
	
     try{
       studentNum = Integer.parseInt( request.getParameter("txtStudentNum").trim() );
     }
     catch( NumberFormatException nfex ){
     } 
     if( studentNum < 1 ) errorMessage += "班级人数不正确<br>";
	
     if( errorMessage != "" ){
%>
       <jsp:forward page="DataError.jsp" >
         <jsp:param name="errorMesage" value='<%=errorMessage%>' />
       </jsp:forward>
<%	
     }
	
     session.setAttribute( "teacherName", teacherName );
     session.setAttribute( "className", className );
     session.setAttribute( "studentNum", new Integer(studentNum) );
     session.setAttribute( "courseNum", new Integer(courseNum) );
	    
%>
<html>
<head>
<title>成绩单系统</title>
<meta http-equiv="Content-Type" content="text/html; charset=big5">
</head>
<body bgcolor="#FFCCCC">
<div align="center">
  <p><font size="7" face="宋体">
	请输入科目名称
  </font></p>
  <hr width="50%">
  <p>&nbsp;</p>
  <form method="post" action="InputScore.jsp" name="frm">
    <p>
      <font color="#6666FF" face="宋体" size="4">
		老师姓名
      </font>
      <font face="宋体" size="4">
      <%=teacherName%>
      <font color="#6666FF">
		班级名称
      </font>
      <%=className%>
      <font color="#6666FF">
		学生人数
      </font>
      <%=studentNum%>
      </font>
    </p>
	<jsp:include page="CourseNameTable.jsp" flush="true" >
	  <jsp:param name="courseNum" value='<%=courseNum%>' />
	</jsp:include>	
    <p> 
      <input type="submit" name="Submit" value=" 确定 ">
      <input type="button" name="reset" value=" 重填 " onclick="cleardata();">
    </p>
  </form>
  <p>&nbsp;</p>
</div>
</body>
</html>
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