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开源软件名称：ibireme/YYModel开源软件地址：https://github.com/ibireme/YYModel开源编程语言：Objective-C 93.6%开源软件介绍：YYModel
High performance model framework for iOS/OSX. PerformanceTime cost (process GithubUser 10000 times on iPhone 6): See Features
UsageSimple model json convert// JSON:
{
"uid":123456,
"name":"Harry",
"created":"1965-07-31T00:00:00+0000"
}
// Model:
@interface User : NSObject
@property UInt64 uid;
@property NSString *name;
@property NSDate *created;
@end
@implementation User
@end
// Convert json to model:
User *user = [User yy_modelWithJSON:json];
// Convert model to json:
NSDictionary *json = [user yy_modelToJSONObject];If the type of an object in JSON/Dictionary cannot be matched to the property of the model, the following automatic conversion is performed. If the automatic conversion failed, the value will be ignored.
Match model property to different JSON key// JSON:
{
"n":"Harry Pottery",
"p": 256,
"ext" : {
"desc" : "A book written by J.K.Rowing."
},
"ID" : 100010
}
// Model:
@interface Book : NSObject
@property NSString *name;
@property NSInteger page;
@property NSString *desc;
@property NSString *bookID;
@end
@implementation Book
+ (NSDictionary *)modelCustomPropertyMapper {
return @{@"name" : @"n",
@"page" : @"p",
@"desc" : @"ext.desc",
@"bookID" : @[@"id",@"ID",@"book_id"]};
}
@endYou can map a json key (key path) or an array of json key (key path) to one or multiple property name. If there's no mapper for a property, it will use the property's name as default. Nested model// JSON
{
"author":{
"name":"J.K.Rowling",
"birthday":"1965-07-31T00:00:00+0000"
},
"name":"Harry Potter",
"pages":256
}
// Model: (no need to do anything)
@interface Author : NSObject
@property NSString *name;
@property NSDate *birthday;
@end
@implementation Author
@end
@interface Book : NSObject
@property NSString *name;
@property NSUInteger pages;
@property Author *author;
@end
@implementation Book
@endContainer property@class Shadow, Border, Attachment;
@interface Attributes
@property NSString *name;
@property NSArray *shadows; //Array<Shadow>
@property NSSet *borders; //Set<Border>
@property NSMutableDictionary *attachments; //Dict<NSString,Attachment>
@end
@implementation Attributes
+ (NSDictionary *)modelContainerPropertyGenericClass {
// value should be Class or Class name.
return @{@"shadows" : [Shadow class],
@"borders" : Border.class,
@"attachments" : @"Attachment" };
}
@endWhitelist and blacklist@interface User
@property NSString *name;
@property NSUInteger age;
@end
@implementation Attributes
+ (NSArray *)modelPropertyBlacklist {
return @[@"test1", @"test2"];
}
+ (NSArray *)modelPropertyWhitelist {
return @[@"name"];
}
@endData validate and custom transform// JSON:
{
"name":"Harry",
"timestamp" : 1445534567
}
// Model:
@interface User
@property NSString *name;
@property NSDate *createdAt;
@end
@implementation User
- (BOOL)modelCustomTransformFromDictionary:(NSDictionary *)dic {
NSNumber *timestamp = dic[@"timestamp"];
if (![timestamp isKindOfClass:[NSNumber class]]) return NO;
_createdAt = [NSDate dateWithTimeIntervalSince1970:timestamp.floatValue];
return YES;
}
- (BOOL)modelCustomTransformToDictionary:(NSMutableDictionary *)dic {
if (!_createdAt) return NO;
dic[@"timestamp"] = @(n.timeIntervalSince1970);
return YES;
}
@endCoding/Copying/hash/equal/description@interface YYShadow :NSObject <NSCoding, NSCopying>
@property (nonatomic, copy) NSString *name;
@property (nonatomic, assign) CGSize size;
@end
@implementation YYShadow
- (void)encodeWithCoder:(NSCoder *)aCoder { [self yy_modelEncodeWithCoder:aCoder]; }
- (id)initWithCoder:(NSCoder *)aDecoder { self = [super init]; return [self yy_modelInitWithCoder:aDecoder]; }
- (id)copyWithZone:(NSZone *)zone { return [self yy_modelCopy]; }
- (NSUInteger)hash { return [self yy_modelHash]; }
- (BOOL)isEqual:(id)object { return [self yy_modelIsEqual:object]; }
- (NSString *)description { return [self yy_modelDescription]; }
@endInstallationCocoaPods
Carthage
Manually
DocumentationFull API documentation is available on CocoaDocs. RequirementsThis library requires LicenseYYModel is provided under the MIT license. See LICENSE file for details. 中文介绍高性能 iOS/OSX 模型转换框架。 性能处理 GithubUser 数据 10000 次耗时统计 (iPhone 6): 更多测试代码和用例见 特性
使用方法简单的 Model 与 JSON 相互转换// JSON:
{
"uid":123456,
"name":"Harry",
"created":"1965-07-31T00:00:00+0000"
}
// Model:
@interface User : NSObject
@property UInt64 uid;
@property NSString *name;
@property NSDate *created;
@end
@implementation User
@end
// 将 JSON (NSData,NSString,NSDictionary) 转换为 Model:
User *user = [User yy_modelWithJSON:json];
// 将 Model 转换为 JSON 对象:
NSDictionary *json = [user yy_modelToJSONObject];当 JSON/Dictionary 中的对象类型与 Model 属性不一致时，YYModel 将会进行如下自动转换。自动转换不支持的值将会被忽略，以避免各种潜在的崩溃问题。
Model 属性名和 JSON 中的 Key 不相同// JSON:
{
"n":"Harry Pottery",
"p": 256,
"ext" : {
"desc" : "A book written by J.K.Rowing."
},
"ID" : 100010
}
// Model:
@interface Book : NSObject
@property NSString *name;
@property NSInteger page;
@property NSString *desc;
@property NSString *bookID;
@end
@implementation Book
//返回一个 Dict，将 Model 属性名对映射到 JSON 的 Key。
+ (NSDictionary *)modelCustomPropertyMapper {
return @{@"name" : @"n",
@"page" : @"p",
@"desc" : @"ext.desc",
@"bookID" : @[@"id",@"ID",@"book_id"]};
}
@end你可以把一个或一组 json key (key path) 映射到一个或多个属性。如果一个属性没有映射关系，那默认会使用相同属性名作为映射。 在 json->model 的过程中：如果一个属性对应了多个 json key，那么转换过程会按顺序查找，并使用第一个不为空的值。 在 model->json 的过程中：如果一个属性对应了多个 json key (key path)，那么转换过程仅会处理第一个 json key (key path)；如果多个属性对应了同一个 json key，则转换过过程会使用其中任意一个不为空的值。 Model 包含其他 Model// JSON
{
"author":{
"name":"J.K.Rowling",
"birthday":"1965-07-31T00:00:00+0000"
},
"name":"Harry Potter",
"pages":256
}
// Model: 什么都不用做，转换会自动完成
@interface Author : NSObject
@property NSString *name;
@property NSDate *birthday;
@end
@implementation Author
@end
@interface Book : NSObject
@property NSString *name;
@property NSUInteger pages;
@property Author *author; //Book 包含 Author 属性
@end
@implementation Book
@end容器类属性@class Shadow, Border, Attachment;
@interface Attributes
@property NSString *name;
@property NSArray *shadows; //Array<Shadow>
@property NSSet *borders; //Set<Border>
@property NSMutableDictionary *attachments; //Dict<NSString,Attachment>
@end
@implementation Attributes
// 返回容器类中的所需要存放的数据类型 (以 Class 或 Class Name 的形式)。
+ (NSDictionary *)modelContainerPropertyGenericClass {
return @{@"shadows" : [Shadow class],
@"borders" : Border.class,
@"attachments" : @"Attachment" };
}
@end黑名单与白名单@interface User
@property NSString *name;
@property NSUInteger age;
@end
@implementation Attributes
// 如果实现了该方法，则处理过程中会忽略该列表内的所有属性
+ (NSArray *)modelPropertyBlacklist {
return @[@"test1", @"test2"];
}
// 如果实现了该方法，则处理过程中不会处理该列表外的属性。
+ (NSArray *)modelPropertyWhitelist {
return @[@"name"];
}
@end数据校验与自定义转换// JSON:
{
"name":"Harry",
"timestamp" : 1445534567
}
// Model:
@interface User
@property NSString *name;
@property NSDate *createdAt;
@end
@implementation User
// 当 JSON 转为 Model 完成后，该方法会被调用。
// 你可以在这里对数据进行校验，如果校验不通过，可以返回 NO，则该 Model 会被忽略。
// 你也可以在这里做一些自动转换不能完成的工作。
- (BOOL)modelCustomTransformFromDictionary:(NSDictionary *)dic {
NSNumber *timestamp = dic[@"timestamp"];
if (![timestamp isKindOfClass:[NSNumber class]]) return NO;
_createdAt = [NSDate dateWithTimeIntervalSince1970:timestamp.floatValue];
return YES;
}
// 当 Model 转为 JSON 完成后，该方法会被调用。
// 你可以在这里对数据进行校验，如果校验不通过，可以返回 NO，则该 Model 会被忽略。
// 你也可以在这里做一些自动转换不能完成的工作。
- (BOOL)modelCustomTransformToDictionary:(NSMutableDictionary *)dic {
if (!_createdAt) return NO;
dic[@"timestamp"] = @(n.timeIntervalSince1970);
return YES;
}
@endCoding/Copying/hash/equal/description全部评论
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