$(‘#selectChannelForSignup_getBill‘).combobox({
    url:‘../channel/listAdvanceChannelPage‘,
    queryParams:{offset:0,limit:9999,channelName:"",sourceGroupId:0,usageState:0},
    valueField : ‘channelId‘,
    textField : ‘channelName‘,
    editable:false,
    panelHeight:‘auto‘,
    panelMaxHeight:200,
    loadFilter: function(data){
        console.info(data);
         //过滤数据
        var value=http://www.mamicode.com/{
                total:9999,
                rows:[]
            };
        var x=0;
         for (var i = 0; i < data.length; i++) {  
             if(data[i].creditAvailable > 0){
                 value.rows[x++]=data[i];
             }
         }
         console.info(value.rows);
         return value.rows;
    }

})