iOS下JSON反序列化开源库

Posted 2020-10-26 llguanli

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ios下JSON字符串反序列化成对象。在正式的项目中比較常见。例如以下几个经常使用开源库。能够依据个人喜好任选其一：

1.?JSONModel:?https://github.com/icanzilb/JSONModel

2.?MJExtension:?https://github.com/CoderMJLee/MJExtension

3.?Mantle:?https://github.com/Mantle/Mantle

当中，JSONModel对数组元素反序列化，须要定义一个跟数组元素Model的类名同样的@protocol

{
  "order_id": 104,
  "total_price": 103.45,
  "products" : [
    {
      "id": "123",
      "name": "Product #1",
      "price": 12.95
    },
    {
      "id": "137",
      "name": "Product #2",
      "price": 82.95
    }
  ]
}

@protocol ProductModel
@end

@interface ProductModel : JSONModel
@property (assign, nonatomic) int id;
@property (strong, nonatomic) NSString* name;
@property (assign, nonatomic) float price;
@end

@implementation ProductModel
@end

@interface OrderModel : JSONModel
@property (assign, nonatomic) int order_id;
@property (assign, nonatomic) float total_price;
@property (strong, nonatomic) NSArray<ProductModel, ConvertOnDemand>* products;
@end

@implementation OrderModel
@end

MJExtension号称“世界上转换速度最快、使用最简单方便的字典转模型框架”，有兴趣的能够看github下的详细说明。