添加可以不去重的方法

GMBase/Classes/WMFetchDataViewModel.h

@@ -81,6 +81,10 @@
      */
     NSString *_deduplicationKey;
 }
+@property (nonatomic, copy) NSArray *notDeduplicate;
+// 去重时被去掉的数据总计。在上拉加载更多时，这个数目仍要被用上，否则在某种极端的情况下，startNum会与服务器对不上，导致出现没有数据返回
+@property (nonatomic,assign) NSInteger deleteCount;
+
 /** @brief 记录服务器返回的字段 message 用来显示空白文案*/
 @property (nonatomic, strong) NSString *message;
 

GMBase/Classes/WMFetchDataViewModel.m

@@ -10,8 +10,7 @@
 
 @implementation WMFetchDataViewModel
 {
-    // 去重时被去掉的数据总计。在上拉加载更多时，这个数目仍要被用上，否则在某种极端的情况下，startNum会与服务器对不上，导致出现没有数据返回
-    NSInteger _deleteCount;
+    
 }
 - (instancetype)init{
     self = [super init];
@@ -162,19 +161,24 @@
 
     // NSMutableArray 不是线程安全的，不能使用并行枚举。参考https://developer.apple.com/library/mac/documentation/Cocoa/Conceptual/Multithreading/ThreadSafetySummary/ThreadSafetySummary.html
     [array enumerateObjectsUsingBlock:^(id  _Nonnull obj, NSUInteger idx, BOOL * _Nonnull stop) {
-        id value = [obj valueForKey:_deduplicationKey];
-        NSString *key = [value isKindOfClass:[NSString class]] ? value : [value stringValue];
-        NSAssert(key.length > 0, @"key 怎么会是一个空???!!!");
-        if (!_deduplicationDic[key]) {
-            if ([obj isKindOfClass:[NSDictionary class]]) {
-                id object = buildBlock(obj);
-                [result addObject:object];
+        if ([self.notDeduplicate containsObject:obj[@"type"]]) {
+            id object = buildBlock(obj);
+            [result addObject:object];
+        } else {
+            id value = [obj valueForKey:_deduplicationKey];
+            NSString *key = [value isKindOfClass:[NSString class]] ? value : [value stringValue];
+            NSAssert(key.length > 0, @"key 怎么会是一个空???!!!");
+            if (!_deduplicationDic[key]) {
+                if ([obj isKindOfClass:[NSDictionary class]]) {
+                    id object = buildBlock(obj);
+                    [result addObject:object];
+                }else{
+                    [result addObject:obj];
+                }
+                _deduplicationDic[key] = @1;
             }else{
-                [result addObject:obj];
+                self.deleteCount ++;
             }
-            _deduplicationDic[key] = @1;
-        }else{
-            _deleteCount ++;
         }
     }];