Merge pull request #390 from isunimp/master

Model类采用Swift编写的话，NSStringFromClass获取到Class字符串会带上Swift模块名称

Author: CoderMJLee

MJExtension/NSObject+MJKeyValue.m

@@ -212,7 +212,8 @@ + (instancetype)mj_objectWithKeyValues:(id)keyValues context:(NSManagedObjectCon
     MJExtensionAssertError([keyValues isKindOfClass:[NSDictionary class]], nil, [self class], @"keyValues参数不是一个字典");
 
     if ([self isSubclassOfClass:[NSManagedObject class]] && context) {
-        return [[NSEntityDescription insertNewObjectForEntityForName:NSStringFromClass(self) inManagedObjectContext:context] mj_setKeyValues:keyValues context:context];
+        NSString *entityName = [NSStringFromClass(self) componentsSeparatedByString:@"."].lastObject;
+        return [[NSEntityDescription insertNewObjectForEntityForName:entityName inManagedObjectContext:context] mj_setKeyValues:keyValues context:context];
     }
     return [[[self alloc] init] mj_setKeyValues:keyValues];
 }