KVC
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25 |
-(id)initWithJsonDictionary:(NSDictionary*) jsonDic{ if((self
= [self init])) { [self
setValuesForKeysWithDictionary:jsonDic]; } return
self;}-(void)setValue:(id)value forKey:(NSString
*)key{ if
([key isEqualToString:@"a"]) { }else{ [super
setValue:value forKey:key]; }}-(void)setValue:(id)value forUndefinedKey:(NSString
*)key{ if
([key isEqualToString:@"bb"]) { self.b = value; }else{ [super
setValue:value forKey:key]; }} |
KVO
- (void)removeObservation { [self.object removeObserver:self forKeyPath:self.property]; } - (void)addObservation { [self.object addObserver:self forKeyPath:self.property options:0 context:(__bridge void*)self]; } - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context { if ((__bridge id)context == self) { // 只处理跟我们当前class的property更新 } else { [super observeValueForKeyPath:keyPath ofObject:object change:change context:context]; } }
原文：http://www.cnblogs.com/senlinwuran/p/3566342.html