模型属性自定义类型转换

Author: rakeyang

MCJSONKit/Classes/MCJSONKitProperty.h

@@ -16,7 +16,7 @@
 /**
  封装类的属性
  */
-@interface JSONCoreProperty : NSObject
+@interface MCJSONKitProperty : NSObject
 
 /**
  属性名称

MCJSONKit/Classes/MCJSONKitProperty.m

@@ -8,6 +8,6 @@
 
 #import "MCJSONKitProperty.h"
 
-@implementation JSONCoreProperty
+@implementation MCJSONKitProperty
 
 @end

MCJSONKit/Classes/NSObject+MCJSONKit.h

@@ -1,12 +1,13 @@
 //
 //  NSObject+JSONCore.h
-//  iOSExample
+//  MCJSONKit
 //
 //  Created by maintoco on 16/12/21.
 //  Copyright © 2016年 maintoco. All rights reserved.
 //
 
 #import <Foundation/Foundation.h>
+#import "MCJSONKitProperty.h"
 
 /**
  JSON解析类别
@@ -66,4 +67,13 @@
  */
 - (NSDictionary *)mc_typeMappingDictionary;
 
+/**
+ 自定义类型的值转换
+
+ @param oldValue 旧值
+ @param property 属性
+ @return 新值
+ */
+- (id)mc_newValueFromOldValue:(id)oldValue property:(id)property;
+
 @end

MCJSONKit/Classes/NSObject+MCJSONKit.m

@@ -7,7 +7,6 @@
 //
 
 #import "NSObject+MCJSONKit.h"
-#import "MCJSONKitProperty.h"
 #import "NSDictionary+MCJSONKit.h"
 
 #import <objc/runtime.h>
@@ -119,8 +118,8 @@ - (void)setValuesWithJSONString:(NSString *)jsonString {
 
 - (void)setValuesWithDictionary:(NSDictionary *)dict {
     if (dict && [dict isKindOfClass:[NSDictionary class]]) {
-        NSMutableDictionary<NSString *,JSONCoreProperty *> *mdict = [self allProperties];
-        [mdict enumerateKeysAndObjectsUsingBlock:^(NSString * _Nonnull key, JSONCoreProperty * _Nonnull obj, BOOL * _Nonnull stop) {
+        NSMutableDictionary<NSString *,MCJSONKitProperty *> *mdict = [self allProperties];
+        [mdict enumerateKeysAndObjectsUsingBlock:^(NSString * _Nonnull key, MCJSONKitProperty * _Nonnull obj, BOOL * _Nonnull stop) {
             if ([obj.jsonKey rangeOfString:@"."].location == NSNotFound) {
                 [self setValue:dict[obj.jsonKey] forProperty:obj];
             }else {
@@ -137,7 +136,7 @@ - (void)setValuesWithDictionary:(NSDictionary *)dict {
 /**
  设置属性值
  */
-- (void)setValue:(id)value forProperty:(JSONCoreProperty *)property {
+- (void)setValue:(id)value forProperty:(MCJSONKitProperty *)property {
     if ([value isKindOfClass:[NSNull class]]) {
         //NSNull不做处理
         return;
@@ -160,7 +159,8 @@ - (void)setValue:(id)value forProperty:(JSONCoreProperty *)property {
                         }
                         [self setValue:newValue forKey:property.name];
                     }
-                }else {
+                } else {
+                    value = [self mc_newValueFromOldValue:value property:property];
                     if ([value isKindOfClass:[NSNumber class]]) {
                         if ([property.typeClass isSubclassOfClass:[NSString class]]) {
                             //属性是NSString，但是值类型为NSNumber
@@ -197,7 +197,7 @@ - (void)setValue:(id)value forProperty:(JSONCoreProperty *)property {
     }
 }
 
-- (id)valueForProperty:(JSONCoreProperty *)property {
+- (id)valueForProperty:(MCJSONKitProperty *)property {
     if (property) {
         id value = [self valueForKey:property.name];
         if (property.typeClass) {
@@ -283,7 +283,7 @@ - (NSMutableDictionary *)allProperties {
             }
 
             //类型说明
-            JSONCoreProperty *coprop = [JSONCoreProperty new];
+            MCJSONKitProperty *coprop = [MCJSONKitProperty new];
             coprop.name = propertyName;
 
             //自定义映射
@@ -347,9 +347,9 @@ - (NSDictionary *)mc_toDictionary {
         return jsonObj;
     }
 
-    NSDictionary<NSString *,JSONCoreProperty *> *dict = [self allProperties];
+    NSDictionary<NSString *,MCJSONKitProperty *> *dict = [self allProperties];
     NSMutableDictionary *mdict = [NSMutableDictionary dictionary];
-    [dict enumerateKeysAndObjectsUsingBlock:^(NSString * _Nonnull key, JSONCoreProperty * _Nonnull obj, BOOL * _Nonnull stop) {
+    [dict enumerateKeysAndObjectsUsingBlock:^(NSString * _Nonnull key, MCJSONKitProperty * _Nonnull obj, BOOL * _Nonnull stop) {
         void(^setValueBlock)(id) = ^(id value) {
             if (value) {
                 [mdict setValue:value forKeyPath:obj.jsonKey];
@@ -414,4 +414,8 @@ - (NSDictionary *)mc_typeMappingDictionary {
     return nil;
 }
 
+- (id)mc_newValueFromOldValue:(id)oldValue property:(MCJSONKitProperty *)property {
+    return oldValue;
+}
+
 @end