function preFilterLookup() {        //终端业态        Xrm.Page.getControl("new_typeofoperationid").addPreSearch(function () {            addLookupFilter();        });    }    function addLookupFilter() {        var customertypecode = Xrm.Page.getAttribute("customertypecode").getValue(); //客户类型        if (customertypecode != null) {            fetchXml = "<filter type=‘and‘><condition attribute=‘new_customertypecode‘ operator=‘eq‘ value=http://www.mamicode.com/‘" + customertypecode + "‘ /></filter>";            Xrm.Page.getControl("new_typeofoperationid").addCustomFilter(fetchXml);        }    }