二级级联菜单

最新推荐文章于 2024-04-02 12:37:14 发布

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最新推荐文章于 2024-04-02 12:37:14 发布

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文章标签： function action object string jsp date

本文链接：https://blog.youkuaiyun.com/kebing1990/article/details/6955454

版权

jsp：
<font style="font-weight: bold"> 类别:</font>
<s:select list="typeList" headerKey="" headerValue="全部类别" id="type"	name=" type"></s:select>
<select id="name" name="name" >
    	<option value="-1">所有专家</option>
</select>
<input name="action:expertInfo_doTypeSearch" type="submit" id="doSearch" value="查 询" alt="按指定条件检索用户信息" />

js：
$(document).ready(function(){ 
//改变下一级菜单
$("#type").change(function(){
	var $name = $("#name");
//移除name下拉菜单下的值
	$name.children().remove();
//访问action方法
$.get("<%=basePath%>expertInfo/expertInfo_doApplyName.action?t="+new Date(),"type=" + $(this).val(), function(data){
//往下拉菜单中添加值
	var $option = $("<option value=-1>所有专家</option>");
	$name.append($option); 
	$(data).find("name").each(function(i,n){
$option = $("<option value="+$(n).find("id").text()+">"+$(n).find("name").text()+"</option>");
	$name.append($option);}); 
			}); 
		}); 
		});  

action:
public void doApplyName(){
response.setContentType("text/xml;charset=utf-8");
PrintWriter out;
try {
	out = response.getWriter();
	//获取URL中的中文
	String major = new String(request.getParameter("major").getBytes("ISO-8859-1"),"gb2312");
	Map<String,Object> params = new HashMap<String,Object>();
	params.put("major", major);
	expertInfoList = expertInfoService.selectByParams(params);
	StringBuffer sub = new StringBuffer();
	sub.append("<names>");
	for (ExpertInfo expertInfo : expertInfoList) {
		sub.append("<name>");
		sub.append("<id>" + expertInfo.getId() + "</id>");
		sub.append("<name>" + expertInfo.getRealname() + "</name>");
		sub.append("</name>");
	}
	sub.append("</names>");
	out.println(sub.toString());
		} catch (IOException e) { 
			e.printStackTrace();
		}
	}