怎么取得checkbox的值
如下红色代码,不是简单的静态checkbox。
<table border="0" cellspacing="1" cellpadding="0" width=640 align=center bgColor=#dedee9>
<tr bgcolor="#E7E7E7">
<td ><div align="center">选择</div></td>
<td ><div align="center">课程名称</div></td>
<td ><div align="center">授课对象</div></td>
<td ><div align="center">开始时间</div></td>
<td ><div align="center">结束时间</div></td>
<td ><div align="center">学时</div></td>
<td><div align="center">教学评价</div></td>
</tr>
<%
for(int i=0;i<listteach.size();i++)
{
Teach teach = (Teach)listteach.elementAt(i);
%>
<tr bgColor=#ffffff>
<td><input type="checkbox" name="checkbox" value="teach.getTeachID()"></td>
<td><div align="center"><a href="ViewTeachStep1.jsp?TeachName=<%=teach.getTeachName()%>"><%=DataConvert.ViewStr(teach.getTeachName())%></a></div></td>
<td><div align="center"><%=DataConvert.ViewStr(teach.getObject())%></div></td>
<td><div align="center"><%=DataConvert.ViewStr(teach.getStartDate())%></div></td>
<td><div align="center"><%=DataConvert.ViewStr(teach.getEndDate())%></div></td>
<td><div align="center"><%=DataConvert.ViewStr(teach.getHours())%></div></td>
<td><div align="center"><%=DataConvert.ViewStr(teach.getComment())%></div></td>
</tr>
<%
}
%>
<TR bgColor=#ffffff>
<td colspan="7" align="left"><input type="checkbox" name="checkbox" onClick="selAll(this);" value="">全选</td></tr>
<TR bgColor=#ffffff> <td height="49" colspan=7><div align="center">
<input type="button" value="增 加" onclick="add();">
<input type="button" value="编 辑" onclick="doEdit();">
<input type="button" value="删 除" onclick="doDelete();">
<input type="button" value="返回" onclick=window.location.href("Teach.jsp")>
</div></td>
</TR>
</table>