<style type="text/css">
body {
padding-bottom: 40px;
}
.sidebar-nav {
padding: 9px 0;
}
@media (max-width: 980px) {
/* Enable use of floated navbar text */
.navbar-text.pull-right {
float: none;
padding-left: 5px;
padding-right: 5px;
}
}
</style>
<script type="text/javascript">
function init(sb){
var ss=sb.split(",");
for(var i=0;i<ss.length;i++){
if(ss[i]=='')
continue;
document.getElementById(ss[i]).checked="checked";
}
}
function returnList(){
window.location.href="pc_SystemController.do?function=getUserList";
}
</script>
</head>
<body onload="init('${sb}');">
<form action="pc_SystemController.do?function=saveUserActor" method="post" class="definewidth m20">
<table class="table table-bordered table-hover definewidth m10">
<tr>
<td class="tableleft">姓名</td>
<td><input type="text" name="realname" readonly="readonly" value="${user.realname}"/></td>
</tr>
<tr>
<td style="width: 20%;" class="tableleft">用户名</td>
<td><input type="text" name="username" readonly="readonly" value="${user.username}"/></td>
</tr>
<tr>
<td style="width: 20%;" class="tableleft">角色</td>
<td>
<table width="100%" >
<%
List<Actor> actorList =(List<Actor>)request.getAttribute("actorList");
int size=actorList.size();
Actor actor=new Actor();
for(int i=0;i<size;i++){
%>
<tr>
<% if(i==size) break; actor=actorList.get(i); %>
<td style="border: 0;"><label><input name="actor" id="<%=actor.getActor_no() %>" type="checkbox" style="border:0" value="<%=actor.getActor_no() %>" /><%=actor.getActor_name() %></label></td>
<% i++; if(i==size) break; actor=actorList.get(i); %>
<td style="border: 0;"><label><input name="actor" id="<%=actor.getActor_no() %>" type="checkbox" style="border:0" value="<%=actor.getActor_no() %>" /><%=actor.getActor_name() %></label></td>
<% i++; if(i==size) break; actor=actorList.get(i); %>
<td style="border: 0;"><label><input name="actor" id="<%=actor.getActor_no() %>" type="checkbox" style="border:0" value="<%=actor.getActor_no() %>" /><%=actor.getActor_name() %></label></td>
<% i++; if(i==size) break; actor=actorList.get(i); %>
<td style="border: 0;"><label><input name="actor" id="<%=actor.getActor_no() %>" type="checkbox" style="border:0" value="<%=actor.getActor_no() %>" /><%=actor.getActor_name() %></label></td>
</tr>
<%}%>
</table>
</td>
</tr>
<tr>
<td class="tableleft"></td>
<td>
<button class="btn btn-primary" type="submit">保存</button>
<button type="button" onclick="returnList();" class="btn btn-success" name="backid" id="backid">返回列表</button>
</td>
</tr>
</table>
</form>
</body>
</html>
我想在java的Servlet里获取jsp里的actor.getActor_no()，应该怎么做。也就是复选框的id，或者复选框的内容actor.getActor_name()。
String[] actors= request.getParameterValues("actor");
得到所有被选择的CheckBox值，如果没有选择就是 null