angular bind multi var

[xi yan]

hello

        i need bind multi var in angular, demo only bind one var by ng-click, i 
tried to use a function to bind multi var by onclick, but told me z is not 
defined




<script>
    function queryTrafficData() {
        request.startDate = startDate;
        request.endDate = endDate;
    
        var requestJson = JSON.stringify(request);

        z.angularBind('request', requestJson, '20180510-195908_2045868539');
    }
</script>