miniui mini-combobox的使用

<td id="cpug1" colspan=3>&nbsp;&nbsp;
                            <div id="cpug_add" class="mini-combobox" style="160px;" 
                                popupWidth="260px" textField="text" valueField="id" 
                                value="cn,usa" multiSelect="true"  showClose="true" oncloseclick="onCloseClick" >     
                                <div property="columns">
                                    <div header="UPUG编号" field="id"></div>
                                    <div header="UPUG名称" field="text"></div>
                                </div>
                            </div>
                            <span class="font-red"><b>*</b></span>
                        </td>

var cpug_add = mini.get("cpug_add");
    cpug_add.setValue(null);
    $.ajax({
        type: "POST",
        url: "../bayonet/tollgate!cpugList.do",
        dataType: "json",
        success: function(data) {
            cpug_add.setData(data.list);
        },
        error : function(jqXHR, textStatus, errorThrown) {
            alert(jqXHR.responseText);
        }
    });

public Map<String, Object> result = new HashMap<String, Object>();
/**
     * 查询出cpug
     */
    public void cpugList() {
        Map<String, Object> param = new HashMap<String, Object>();
        param.put("deviceType", "CPUG");
        List<SystemDevice> list = systemDeviceService.findByType("CPUG");
        List<SuperiorInfo> list1 = superiorInfoService.findSuperiorInfo(param);
        List<JsonData> JsonDatas = new ArrayList<>();
        StringBuffer sb=new StringBuffer();
        if(list!=null){
            for(SystemDevice sd :list){
                boolean used=false;
                if(list1!=null){
                    for(SuperiorInfo si:list1){
                         String[] cpbsIds = si.getCpbsId().split(",");
                         if(cpbsIds.length==1){
                             if(cpbsIds[0].equals(sd.getDeviceId())){
                                 //已被其他平台使用
                                 used=true;
                              }
                         }else{
                             for(String id : cpbsIds){
                                 if(id.equals(sd.getDeviceId())){
                                     used=true;
                                 }
                                 
                             }
                         }
                    }
                }
                if(!used){
                    JsonData JsonData =  new JsonData();
                    JsonData.setId(sd.getDeviceId());
                    JsonData.setText(sd.getName());
                    JsonDatas.add(JsonData);
                 }
            }
        }
        result.put("list", JsonDatas);
        output(JSONObject.fromObject(result).toString());
    }

public class JsonData implements Serializable{
        String id;
        String text;
        public String getId() {
            return id;
        }
        public void setId(String id) {
            this.id = id;
        }
        public String getText() {
            return text;
        }
        public void setText(String text) {
            this.text = text;
        }
    }