EXTJS依据combox的值进行筛选

EXTJS根据combox的值进行筛选
var busiCatCode = new Ext.ux.dictComboBox({
    readOnly:true,
    allowBlank: false,
anchor:'90%',
hiddenName:'busiCatCode',
fieldLabel: '业务代码',
code:'BD_PROD_BUS_CATE'
       });
   busiCatCode.on('select',function(comboBox){
      var codition = [];
          codition.push({
          field : ('QUO_OPE_CODE'),
                    relation : '=',
                    value :comboBox.getValue(),
                    type:'and',
                    javaClass : 'net.uni.util.Condition'
          });
          ofprilibGrid.updateCondition(codition);
   });