修改page++逻辑

GMBase/Classes/WMFetchDataViewModel.m

@@ -67,7 +67,6 @@
             
             NSArray *array = (NSArray *)responseObject;
             [self buildModelWithRemoteArray:array];
-            self.page++;
             [self setValue:@YES forKey:@"fetchDataSuccess"];
         }else if([responseObject isKindOfClass:[NSDictionary class]]){
            
@@ -76,20 +75,24 @@
             self.message = responseObject[@"message"];
             if (code == APIStatusCodeSuccess) {
                 [self buildModelWithRemoteDic:dic];
-                self.page++;
                 [self setValue:@YES forKey:@"fetchDataSuccess"];
                 
             }else if (code == APIStatusCodeEmpty){
                 self.message = responseObject[@"message"];
-                self.page++;
                 [self setValue:@YES forKey:@"fetchDataSuccess"];
                 
             }else{
+                if (self.page > 1) {
+                    self.page--;
+                }
                 [self setValue:@NO forKey:@"fetchDataSuccess"];
             }
         }
         
     } failed:^(NSString *errorMsg) {
+        if (self.page > 1) {
+            self.page--;
+        }
         [self setValue:@NO forKey:@"fetchDataSuccess"];
     }];
 }
@@ -119,6 +122,7 @@
 - (void)handleFooterRereshing
 {
     self.startNum = self.dataArray.count + _deleteCount;
+    self.page++;
     [self fetchRemoteData];
 }