支持 Array,Dictionary,String 可变类型的存储，解决iOS10 NSMutableArray 读取失败的问题

Author: ljh

LKDBHelper.podspec.json

@@ -1,6 +1,6 @@
 {
   "name": "LKDBHelper",
-  "version": "2.3.3",
+  "version": "2.3.5",
   "summary": "全自动的插入,查询,更新,删除， an automatic database operation thread-safe and not afraid of recursive deadlock",
   "description": "全面支持 NSArray,NSDictionary, ModelClass, NSNumber, NSString, NSDate, NSData, UIColor, UIImage, CGRect, CGPoint, CGSize, NSRange, int,char,float, double, long.. 等属性的自动化操作(插入和查询)",
   "homepage": "https://github.com/li6185377/LKDBHelper-SQLite-ORM",
@@ -10,7 +10,7 @@
   },
   "source": {
     "git": "https://github.com/li6185377/LKDBHelper-SQLite-ORM.git",
-    "tag": "2.3.3"
+    "tag": "2.3.5"
   },
   "platforms": {
     "ios": "4.3",

LKDBHelper/Helper/NSObject+LKModel.m

@@ -124,7 +124,7 @@ - (id)modelGetValue:(LKDBProperty *)property
         return nil;
     }
     else if ([value isKindOfClass:[NSString class]]) {
-        returnValue = value;
+        returnValue = [value copy];
     }
     else if ([value isKindOfClass:[NSNumber class]]) {
         returnValue = [[LKDBUtils numberFormatter] stringFromNumber:value];
@@ -327,7 +327,7 @@ - (void)modelSetValue:(LKDBProperty *)property value:(NSString *)value
     }
     else if ([columnClass isSubclassOfClass:[NSString class]]) {
         if (![LKDBHelper nullIsEmpty] || value.length > 0) {
-            modelValue = [value copy];
+            modelValue = [columnClass stringWithString:value];
         }
     }
     else if ([columnClass isSubclassOfClass:[NSNumber class]]) {
@@ -374,7 +374,20 @@ - (void)modelSetValue:(LKDBProperty *)property value:(NSString *)value
     }
     else {
         modelValue = [self db_modelWithJsonValue:value];
-        if (![modelValue isKindOfClass:columnClass]) {
+        BOOL isValid = NO;
+        if ([modelValue isKindOfClass:[NSArray class]] && [columnClass isSubclassOfClass:[NSArray class]]) {
+            isValid = YES;
+            modelValue = [columnClass arrayWithArray:modelValue];
+        }
+        else if ([modelValue isKindOfClass:[NSDictionary class]] && [columnClass isSubclassOfClass:[NSDictionary class]]) {
+            isValid = YES;
+            modelValue = [columnClass dictionaryWithDictionary:modelValue];
+        }
+        else if ([modelValue isKindOfClass:columnClass]) {
+            isValid = YES;
+        }
+        ///如果类型不对 则设置为空
+        if (!isValid) {
             modelValue = nil;
         }
     }
@@ -981,4 +994,4 @@ - (void)mutableString:(NSMutableString*)sb appendPropertyStringWithClass:(Class)
     }
 }
 
-@end
+@end