📄 choosecoursedo.jsp
字号:
<%@ page language="java" import="java.util.*,com.zzu.dao.entity.*" pageEncoding="gbk"%>
<%@ taglib uri="http://struts.apache.org/tags-bean" prefix="bean" %>
<%@ taglib uri="http://struts.apache.org/tags-html" prefix="html" %>
<%@ taglib uri="http://struts.apache.org/tags-logic" prefix="logic" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>学生选课页面</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
<script type="text/javascript">
//给array 添加一个remove()
function RemoveArray(array,attachId)
{
var f=false;
for(var i=0,n=0;i<array.length;i++)
{
if(array[i]!=attachId)
{
array[n++]=array[i]
}else
f=true;
}
if(f==true)
array.length -= 1;
}
Array.prototype.remove = function (obj) {
return RemoveArray(this,obj);
};
var choice=new Array();
function courseselect(id)
{
alert(id);
var courses=document.getElementById("yourchoices").value;//当前选定的“选课”总数
var str=document.getElementById(id).value;//当前选定的“选课”值
if(courses!="")
{
document.getElementById("yourchoices").value+="-";
}
if(document.getElementById(id).checked==true)
{
choice.push(str);//在数组choice中添加当前“选课”元素
a=choice.join("-");
document.getElementById("yourchoices").value=a;
choice.add(id);
document.getElementById("yourchoices").value+=id;
}else{
choice.remove(str);//在数组中移除该"选课"的值
a=choice.join("-");
document.getElementById("yourchoices").value=a;//取消后的选课
}
}
</script>
</head>
<body>
<%
Student student=(Student)request.getSession().getAttribute("student");
if(student==null){
%>
<jsp:forward page="../syslogin.jsp"></jsp:forward>
<%} %>
${student.sname },欢迎你!<br/>
<a href="student/updateInfo.jsp" />修改个人信息</a>
<a href="student.do?operate=chooseCourseList&sno=${student.sno }" >我的选课列表</a>
<a href="student.do?operate=chooseCourseDo&sno=${student.sno }" />我要选课</a>
<a href="student.do?operate=exitCourseDo&sno=${student.sno }" >我要退课</a>
<a href="student.do?operate=seeGrade&sno=${student.sno }" >查看成绩</a>
<a href="book.do?operate=booksubmit&sno=${student.sno }" >进入留言簿</a>
<a href="student/exitsystem.jsp?sno=${student.sno }" >退出系统</a>
<br/><br/>
<li>进入 chooseCourseList.jsp</li>
<hr/>
<%
ArrayList allcourselist=(ArrayList)request.getAttribute("allcourselist");
%>
<form action="student.do" method="post">
<table align="center">
<tr><td>
教师
</td>
<td>
课程
</td>
<td>
选择
</td></tr>
<input type="hidden" name="operate" value="chooseCourseDone" />
<input type="hidden" name="sno" value="${student.sno }" />
<%
for(int i=0;i<allcourselist.size();i++)
{
Tc tc=(Tc)allcourselist.get(i);
%>
<tr><td>
<%=tc.getTeacher().getTname() %>
</td>
<td>
<%=tc.getCourse().getCname() %>
</td>
<%
ArrayList mylist=new ArrayList();
mylist=(ArrayList)request.getAttribute("mycourselist");
String cno=tc.getCourse().getCno();
System.out.println("===选修课程列表cno："+cno);
Object obj=(Object)cno;
if(null!=mylist&&mylist.contains(obj))
{
%>
<td>
已选课程
</td>
<%}else{ %>
<td>
${tc.course.cno }<input id="<%=tc.getCourse().getCno() %>" type="checkbox" name="courseckb" value="<%=tc.getCourse().getCno() %>"
onclick="courseselect(this.value)" />
</td>
<%} %>
</tr>
<%
}
%>
你选择的是:<input type="text" size="50" name="yourchoices"/>
<tr><td> </td><td><input type="submit" value="确定"/><input type="reset" value="取消"/> </td><td></td> </tr>
</table>
</form>
</body>
</html>
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -