可以搜索的下拉框

<td>推送人</td>
                            <td style="width:150px;">
                            <div style="position:relative;padding-top:30px;">
                            <span style="margin-left:100px;width:24px;overflow:hidden;border:red ">
                                <select id="sendmans" style="width:129px;margin-left:-100px" onchange="this.parentNode.nextSibling.value=this.value">
                                
                                </select></span><input id="sendman" name="condition.sendman" value="${condition.sendman}" onchange="getAllUser()" style="width:85px;position:relative;top:-27px;left:1px;">
                            </div>
                            </td>

function getAllUser(){
    	var url = "/fiber/getName.do";
    	jQuery("#sendmans").empty();
		   //var  city = $("#city").val();
		  // document.getElementById("city").value=city;
		 // alert($("#sendman").val());
			var params = $("#sendman").val();
			$.ajax({
				url:url,
				type:'POST',//POST方式
				cache:false ,
				data:"sendman="+params+"",
				dataType:'text',//返回text类型
				beforeSend:function(xmlHttpRequest,status){
				  
				},
				success:function(data,status){
				var d=eval(data);//解析
				$("#sendmans").append($('<option value="--请选择--">--请选择--</option>'));//后台数据加到下拉框
				$(d).each(function(index,entity){
				
				$("#sendmans").append($('<option value="'+entity['name']+'">'+entity['name']+'</option>'));//后台数据加到下拉框
				//$("sendman").combobox('setValue',entity['name']);
				//document.getElementsByClassName("combo").append($('<input class="combo-value" type="hidden" name="condition.sendman" value="'+entity['name']+'">'));
				});
				}
				});
    }

 

@RequestMapping(value = "/getName.do")
	public void getName(String sendman,
			PrintWriter printWriter, HttpServletResponse response) throws IOException
	{
		response.setContentType("text/html;charset=UTF-8");

	    JSONArray jsonArray = new JSONArray();
		PrintWriter out = response.getWriter();
		List<Users> userList = new ArrayList<Users>();
		List<User>userLists = userService.getAllUsers(sendman);
		for(int i=0;i<userLists.size();i++){
			Users users = new Users();
			users.setId(userLists.get(i).getId().toString());
			users.setName(userLists.get(i).getName());
			userList.add(users);
		}
		jsonArray = JSONArray.fromObject(userList);

	    if (userList != null) {
	    
	      out.write(jsonArray.toString());
	    } else {
	      out.write("null");
	    }
	    out.flush();
	    out.close();
		
	}