From 832f85a217184d717dc2cf7aa0fb01915228512e Mon Sep 17 00:00:00 2001
From: wangzv <wang.zw@foxmail.com>
Date: Sat, 22 Oct 2016 13:40:43 +0800
Subject: [PATCH] =?UTF-8?q?=E5=AF=B9coreData=E5=B5=8C=E5=A5=97=E8=A7=A3?=
 =?UTF-8?q?=E6=9E=90=E5=81=9A=E5=A4=84=E7=90=86?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

当coreData嵌套时无法解析子类，因为coredata对应为NSSet而非NSArray。
---
 MJExtension/MJFoundation.m        |  3 ++-
 MJExtension/NSObject+MJKeyValue.m | 11 ++++++++++-
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/MJExtension/MJFoundation.m b/MJExtension/MJFoundation.m
index 23a7d8cd..9e340929 100644
--- a/MJExtension/MJFoundation.m
+++ b/MJExtension/MJFoundation.m
@@ -27,7 +27,8 @@ + (NSSet *)foundationClasses
                               [NSArray class],
                               [NSDictionary class],
                               [NSString class],
-                              [NSAttributedString class], nil];
+                              [NSAttributedString class],
+                              [NSSet class],nil];
     }
     return foundationClasses_;
 }
diff --git a/MJExtension/NSObject+MJKeyValue.m b/MJExtension/NSObject+MJKeyValue.m
index 84fe982b..e3c93a6e 100755
--- a/MJExtension/NSObject+MJKeyValue.m
+++ b/MJExtension/NSObject+MJKeyValue.m
@@ -186,6 +186,15 @@ - (instancetype)mj_setKeyValues:(id)keyValues context:(NSManagedObjectContext *)
             }
             
             // 3.赋值
+            
+            //赋值前先对CoreData进行处理
+            if ([context isKindOfClass:[NSManagedObjectContext class]] &&
+                propertyClass == [NSSet class]                         &&
+                [value isKindOfClass:[NSArray class]])
+            {
+                value = [[NSSet alloc] initWithArray:value];
+            }
+            
             [property setValue:value forObject:self];
         } @catch (NSException *exception) {
             MJExtensionBuildError([self class], exception.reason);
@@ -706,4 +715,4 @@ - (NSString *)JSONString
 {
     return [self mj_JSONString];
 }
-@end
\ No newline at end of file
+@end