fix bug

src/main/ui/static/invoice/invoice_assistant.js

@@ -69,9 +69,19 @@ define(['angular','decimal'], function (angular,decimal) {
             var params = angular.copy($scope.params);
             if (params.datefrom) {
                 params.datefrom = $filter('date')(params.datefrom, 'yyyyMMdd');
+            }else {
+                alert("请选择开始时间");
+                return;
             }
             if (params.dateto) {
                 params.dateto = $filter('date')(params.dateto, 'yyyyMMdd');
+            }else {
+                alert("请选择结束时间");
+                return
+            }
+            if(getTime2Time()>30){
+               alert("开始时间与结束时间不得超过三十天");
+               return;
             }
             params.page = page || $scope.pagination.page || 1;
             $http.get('/partner/invoice/trans_flow', {params: params}).then(function (resp) {
@@ -89,6 +99,14 @@ define(['angular','decimal'], function (angular,decimal) {
                     commonDialog.alert({title: 'Search failed', content: resp.data.message, type: 'error'});
             });
         };
+            var getTime2Time = function () {
+                var time = angular.copy($scope.params);
+                var from = time.datefrom = $filter('date')(time.datefrom, 'yyyy-MM-dd');
+                var to = time.dateto = $filter('date')(time.dateto, 'yyyy-MM-dd');
+                var longTime = new Date(to).getTime() - new Date(from).getTime() ;
+                return Math.floor(longTime/(24*60*60*1000));
+            };
+
         $scope.export = function (type,page) {
             var url='/partner/invoice/trans_flow/pdf';
             var connectSymbol = '?';