使用JSONModel
- 创建一个新的Ocjective-C的类并继承
JSONModel
- 在头文件中声明Json中Keys同名属性
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| @import "JSONModel.h"
@interface CountryModel : JSONModel
@property (assign,nonatomic) int id;
@property (strong,nonatomic) NSString* country;
@property (strong,nonatomic) NSString* dialCode;
@property (assign,nonatomic) BOOL isInEurope;
@end
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不需要在.m文件中填写任何东西
解析JSON字符串时
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| NString* json = ...
NSError* error = nil;
CountryModel* contryModel = [[CountryModel alloc] initWithString:json error:&error];
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示例
基础的例子
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| {
"id":"123",
"name":"Product name",
"price":12.95
}
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| @interface ProductModel : JSONModel
@property (assign,nonatomic) int id;
@property (strong,nonatomic) NSString* name;
@property (assign,nonatomic) float price;
@end
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嵌套类
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| {
"order_id":104,
"total_price":13.45,
"product":{
"id":"123",
"name":"Product name",
"price":12.34
}
}
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| @interface OrderModel : JSONModel
@property (assign,nonatomic) int order_id;
@property (assign,nonatomic) float total_price;
@property (strong,nonatomic) ProductModel* product;
@end
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嵌套集合
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| {
"oder_id":104,
"total_price":103.45,
"products" : [
{
"id":"123",
"name":"Product # 1",
"price":12.95
},
{
"id":"137",
"name":"Product # 2",
"price":82.95
}
]
}
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| @potocol 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 tital_price;
@property (strong,nonatomic) NSArray<ProductModel> *products;
@end
@implementation OrderModel
@end
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修改Key值
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| {
"order_id":104,
"order_details" : [
{
"name":"Product# 1",
"price":{
"usd":12.95
}
}
]
}
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| @interface OrderModel : JSONModel
@property (assign,nonatomic) int id;
@property (assign,nonatomic) float price;
@property (strong,nonatomic) NSString* productName;
@end
@implementation OrderModel
+ (JSONKeyMapper *)keyMapper
{
return [[JSONKeyMapper alloc] initWithDictionary:@{
@"order_id":@"id",
@"order_details.mame":@"productName",
@"order_details.price":@"price"
}];
}
@end
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全局改变Key
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| [JSONModel setGlobalKeyMapper:[
[JSONKeyMapper alloc] initWithDictionary:@{
@"item_id":@"ID",
@"item_name":@"itemName"
}]
];
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使用JSON请求
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| [[JSONHTTPClient requestHeaders] setValue:@"MySecret" forKey:@"AuthorizationToken"];
[JSONHTTPClient postJSONFromURLWithString:@"http://mydomain.com/api"
params:@{@"postParma1":@"valuel"}
completion:^(id json,JSONModelError *err){
}];
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JSON文本和Dictionary的转换
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| ProductModel* pm = [[ProductModel alloc] initWithString:jsonString error:nil];
pm.name = @"Changed Name";
NSDictionary* dict = [pm toDictionary];
NSString* string = [pm toJSONString];
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自定义Date格式
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| @implementation JSONValueTransformer (CustomTransformer)
- (NSDate *)NSDateFromNSString:(NSString *)string {
NSDateFormatter *formatter = [[NSDatrFormatter alloc] init];
[formatter setDateFormat:APIDateFormat];
return [formatter dateFromString:string];
}
- (NSString *)JSONObjectFromNSDate:(NSDate *)date {
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:APIDateFormat];
return [formatter stringFromDate:date];
}
@end
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注：关于名字为id的属性，可以使用id命名，而且需要使用NSNumber或者NSString的类型来定义
