- (instancetype)initWithDic:(NSDictionary *)dic;
+ (instancetype)xxxWithDic:(NSDictionary *)dic;
dic[@"name"] = @"Jack";
NSString *name = dic[@"name"];
app.name = @"jack";
NSString *name = app.name;
@interface ImageData : NSObject
@property (nonatomic,strong,readonly) NSString *name;
@property (nonatomic,strong,readonly) NSString *icon;
- (instancetype)initWithDic:(NSDictionary *)dic;
+ (instancetype)personWithDic:(NSDictionary *)dic;
@end
----
@implementation ImageData
- (instancetype)initWithDic:(NSDictionary *)dic{
if (self = [super init]) {
//第一种:用字典实例化对象的成员
// self.name = dic[@"name"];
// self.icon = dic[@"icon"];
//第二种:使用setValuesForKeysWithDictionary要求类的属性必须在字典中存在,可以比字典中的键值多,但是不能少。
[self setValuesForKeysWithDictionary:dic];
}
return self;
}
+ (instancetype)personWithDic:(NSDictionary *)dic{
return [[self alloc]initWithDic:dic];
}
@end