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📄 addclass.jsp

📁 采用基于B/S结构进行开发学生管理信息系统,本系统采用Servlet+Jsp+JavaBean+MySQL 的设计方式
💻 JSP
字号:
<%@ page contentType="text/html; charset=gb2312" language="java" import="java.sql.*" errorPage="errorpage.jsp" %>
<%@ page import="myBeans.SQLBean" %>
<html>
<head>
<link href="Inc/student_com.css" type="text/css" rel="stylesheet">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>增加班级</title>
</head>
<p>
 <%String admin_id = (String)session.getAttribute("id"); 
 if(admin_id==null){response.sendRedirect("login.jsp");}
 String dep = (String)session.getAttribute("dep");
 if(dep==null){response.sendRedirect("login.jsp");}
 String sql="select ID,DEPARTMENT,DATE from class",dep_id="";
 SQLBean db = new SQLBean();
 ResultSet rs = db.executeQuery(sql);      
%>
</p>
<script language="javascript">
var onecount; 
onecount=0; 
subcat = new Array(); 

<% 
int count = 0; 
while(rs.next()){ 
%> 
subcat[<%=count%>] = new Array("<%=rs.getString("DEPARTMENT")%>","<%=rs.getString("DATE").substring(0,4)%>","<%=rs.getString("ID")%>"); 
<% 
count++; 
} 
%> 
onecount=<%=count%>; 

function changeValue()
{
  var year = form1.entry.value;
  var depid = form1.dep_id.value;
  var i,j,t;j=0;
  for(i=0;i<onecount;i++){
    if(subcat[i][0]==depid&&subcat[i][1]==year){j++;}
  }j++;
  if(j<9){claid=year+depid+"0"+j;}
  else{claid=year+depid+j;}
  for(t=0;t<onecount;t++){
    if(claid==subcat[t][2]){
       j++;
       if(j<9){claid=year+depid+"0"+j;}
       else{claid=year+depid+j;}
    }
  }
  document.form1.class_id.value=claid;
}

</script>
<body>
<p align="center"><font color="#00FF00" size="+3" face="华文行楷">新增班级</font></p>
<form name="form1" method="post" action="MyClassSvlt">
<input type="hidden" name="action" value="new">
  <p>&nbsp;</p>
  <div align="center">
    <table width="420"  border="0" cellpadding="2" cellspacing="1" bgcolor="#DEDFDE">
      <tr> 
        <td width="33%" bgcolor="#FFFFFF"><div align="right">入学年份</div></td>
        <td width="67%" bgcolor="#FFFFFF">
        <select name="entry" id="entry" size="1">
        <%java.util.Date date = new java.util.Date();
             int i=date.getYear()+1900;%>
          <%   for(int j=i;j>i-5;j--){%>
                  <option value="<%=j%>"><%=j%></option> 
               <%}%>
        </select></td>
      </tr>
      <tr>
        <td bgcolor="#FFFFFF"><div align="right">院系</div></td>
        <td bgcolor="#FFFFFF"><select name="dep_id" id="dep_id" size="1" onChange="changeValue()">
            <option selected >选择班级所在院系 </option>
        <%
          if(dep.equals("0000")){
             sql = "select ID,NAME from department ";
          }else{
             sql = "select ID, NAME from department where ID='"+dep+"'";
          }
             rs = db.executeQuery(sql);
          while(rs.next()){
            dep_id=rs.getString("ID");%>
            <option value="<%=dep_id%>"><%=rs.getString("NAME")%></option>
        <%}%>
        </select></td>
      </tr>
      <tr><td bgcolor="#FFFFFF"><div align="right">班级号</div></td>
          <td bgcolor="#FFFFFF"><input type="text" name="class_id" id="class_id"></td>
      </tr>
    </table>
    <p>
      <input name="确定" type="submit" id="确定" value="提交">
    </p>
  </div>
</form>

<p>&nbsp;</p>
<p align="center"><a href="getClass.jsp">返回</a></p>
</body>
</html>

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