iOS MJExtension的使用
前言:
MJExtension是iOS的字典装模型的一个第三方框架。相对于JSONKit和SBJson相比MJExtension更简单易用、功能更强大。
安装:
使用CocoaPods导入(CocoaPods的使用方法在其他文档里面会介绍)
pod 'MJExtension'
在使用该框架的文件里面导入头文件(推荐在pch文件中导入)
#import "MJExtension.h"
格式单一的字典(没有嵌套),转模型:
@interfaceUser :NSObject
@property (copy,nonatomic)NSString *name;
@property (copy,nonatomic)NSString *sex;
@property (copy,nonatomic) NSString *age;
@end
NSDictionary *dict = @{
@"name" :@"Jack",
@"sex" :@"男",
@"age" : @"20"
}
User *UserModel = [User Mj_objectWithKeyValues:dict];
字典嵌套字典:
@interface People:NSObject
@property (copy,nonatomic) User*User;(上面的User类)
@property (copy,nonatomic)NSString *height;
@property (copy,nonatomic) NSString *wight;
@end
NSDictionary *dict = @{
@"height":@"170"
@"wight":@"70"
@"user":@{
@"name" :@"Jack",
@"sex" :@"男",
@"age" : @"20"
}
}
Poeple *peopleModel = [Pople mj_objectWithKeyValues:dict];
字典嵌套数组,数组里面还有字典:
@interface People:NSObject
@property (copy,nonatomic) NSarray*UserArr;(上面的User类)
@property (copy,nonatomic)NSString *height_2;
@property (copy,nonatomic) NSString *wight;
@end
@implementation People
+(NSDictionary *)mj_objectClassInArray//模型中数组里面的模型
{
return @{
@"UserArr":@"User",//UserArr是自定义的属性名,User是嵌套的字典类名
};
}
+(NSDictionary *)mj_replacedKeyFromPropertyName
{
return @{
@"UserArr":@"User",//模型和字典的字段不对应需要转化
};
}
@end
NSDictionary *dict = @{
@"height":@"170"
@"wight":@"70"
@"UserArr":@[
@{
@"name" :@"Jack",
@"sex" :@"男",
@"age" : @"20"
},
@{
@"name" :@"li",
@"sex" :@"女",
@"age" : @"30"
}
]
}
People *people = [People mj_objectWithKeysValues:dict];
数组转化成模型数组
NSArray *arr = @[
@{
@"name":@"Jack",
@"sex":@"男",
@"age":@"25"
}
@{
@"name":@@"wang",
@"sex":@"男",
@"age":@"26"
}
]
NSArray *UserArrModel = [User mj_objectArrayWithValuesArray:arr];
GitHub地址 https://github.com/CoderMJLee/MJExtension