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抱歉英语 :( ....我知道用 restkit 编写简单的 json。但是非常困惑的 json 如下所示。
{
"success": {
"code": 1,
"message": "Message"
},
"customers": [
{
"customerId": "182",
"customerName": "anil",
"email": "anil@yahoo.com",
"customerAbout": "To show the customer details",
"customerLogoSmall": "http://server.com/ thumb/1.jpg",
"customerLogoLarge": "http://server.com/ 2.jpg",
"ratingPoint": "10",
"address": "adress of customer",
.
.
.
"openingHour": [
{
"day": "monday",
"morning": "10to12.30",
"evening": "1to6",
"customerId": "182"
},
{
"day": "sunday",
"morning": "",
"evening": "",
"customerId": "182"
}
]
},
{
"customerId": "183",
"customerName": "miche",
"email": "babu@yahoo.com",
"customerAbout": "To show the customer details",
"customerLogoSmall": "http://server.com/ thumb/1.jpg",
"customerLogoLarge": "http://server.com/ 2.jpg",
"ratingPoint": "10",
.
.
.
"openingHour": [
{
"day": "monday",
"morning": "10to12.30",
"evening": "1to6",
"customerId": "183"
},
{
"day": "sunday",
"morning": "",
"evening": "",
"customerId": "183"
}
]
}
],
"allCustomers": [
{
"customerId": "182"
},
{
"customerId": "183"
}
]
}
//CheckInCustomerOpeningHour.h(对于'openingHour'键)
#import <Foundation/Foundation.h>
#import <CoreData/CoreData.h>
@class CheckInCustomers;
@interface CheckInCustomerOpeningHour : NSManagedObject
@property (nonatomic, retain) NSNumber * customerId;
@property (nonatomic, retain) NSString * day;
@property (nonatomic, retain) NSString * evening;
@property (nonatomic, retain) NSString * morning;
@property (nonatomic, retain) CheckInCustomers *openHourrelationship;
@end
//CheckInCustomers.h (For 'customers' key)
#import <Foundation/Foundation.h>
#import <CoreData/CoreData.h>
@class CheckInCustomerOpeningHour;
@interface CheckInCustomers : NSManagedObject
@property (nonatomic, retain) NSString * address;
@property (nonatomic, retain) NSNumber * alreadyRated;
@property (nonatomic, retain) NSString * alreadyRatedMessage;
@property (nonatomic, retain) NSNumber * avgCustomerRating;
@property (nonatomic, retain) NSNumber * bonusProgram;
@property (nonatomic, retain) NSString * colourCode;
@property (nonatomic, retain) NSString * contactNumber;
@property (nonatomic, retain) NSString * customerAbout;
@property (nonatomic, retain) NSNumber * customerId;
@property (nonatomic, retain) NSString * customerLogoLarge;
@property (nonatomic, retain) NSString * customerLogoSmall;
@property (nonatomic, retain) NSString * customerName;
@property (nonatomic, retain) NSNumber * distanceToShop;
@property (nonatomic, retain) NSString * email;
@property (nonatomic, retain) NSString * location;
@property (nonatomic, retain) NSString * locationLatitude;
@property (nonatomic, retain) NSString * locationLongitude;
@property (nonatomic, retain) NSNumber * numberOfCustomerRating;
@property (nonatomic, retain) NSNumber * offerCount;
@property (nonatomic, retain) NSNumber * rateLater;
@property (nonatomic, retain) NSNumber * ratingPoint;
@property (nonatomic, retain) CheckInCustomerOpeningHour *customerRelationShip;
@end
//CheckInAllCustomers.h(对于'allCustomers'键)
#import <Foundation/Foundation.h>
#import <CoreData/CoreData.h>
@interface CheckInAllCustomers : NSManagedObject
@property (nonatomic, retain) NSNumber * customerId;
@end
//映射代码
RKObjectManager *objectManager = [[OPRestKit sharedDataManager] objectManager];
RKObjectMapping *success_Mapping = [RKObjectMapping mappingForClass:[checkInSuccess class]];
[success_Mapping mapKeyPath:@"code" toAttribute:@"code"];
[success_Mapping mapKeyPath:@"message" toAttribute:@"message"];
[objectManager.mappingProvider setMapping:success_Mapping forKeyPath:@"success"];
RKManagedObjectMapping *openingHour_Mapping = [RKManagedObjectMapping mappingForClass:[CheckInCustomerOpeningHour class]
inManagedObjectStore:objectManager.objectStore];
openingHour_Mapping.primaryKeyAttribute = @"customerId";
[openingHour_Mapping mapKeyPath:@"customerId" toAttribute:@"customerId"];
[openingHour_Mapping mapKeyPath:@"day" toAttribute:@"day"];
[openingHour_Mapping mapKeyPath:@"evening" toAttribute:@"evening"];
[openingHour_Mapping mapKeyPath:@"morning" toAttribute:@"morning"];
RKObjectMapping *hour_Mapping = [RKObjectMapping mappingForClass:[checkInOpeningHour class]];
[hour_Mapping mapKeyPath:@"openingHour" toRelationship:@"openingHourData" withMapping:openingHour_Mapping];
RKManagedObjectMapping *getCustomer_Mapping = [RKManagedObjectMapping mappingForClass:[CheckInCustomers class]
inManagedObjectStore:objectManager.objectStore];
getCustomer_Mapping.primaryKeyAttribute = @"customerId";
[getCustomer_Mapping mapKeyPath:@"customerId" toAttribute:@"customerId"];
[getCustomer_Mapping mapKeyPath:@"address" toAttribute:@"address"];
[getCustomer_Mapping mapKeyPath:@"alreadyRated" toAttribute:@"alreadyRated"];
[getCustomer_Mapping mapKeyPath:@"alreadyRatedMessage" toAttribute:@"alreadyRatedMessage"];
[getCustomer_Mapping mapKeyPath:@"avgCustomerRating" toAttribute:@"avgCustomerRating"];
[getCustomer_Mapping mapKeyPath:@"bonusProgram" toAttribute:@"bonusProgram"];
[getCustomer_Mapping mapKeyPath:@"colourCode" toAttribute:@"colourCode"];
[getCustomer_Mapping mapKeyPath:@"contactNumber" toAttribute:@"contactNumber"];
[getCustomer_Mapping mapKeyPath:@"customerAbout" toAttribute:@"customerAbout"];
[getCustomer_Mapping mapKeyPath:@"customerLogoLarge" toAttribute:@"customerLogoLarge"];
[getCustomer_Mapping mapKeyPath:@"customerLogoSmall" toAttribute:@"customerLogoSmall"];
[getCustomer_Mapping mapKeyPath:@"customerName" toAttribute:@"customerName"];
[getCustomer_Mapping mapKeyPath:@"distanceToShop" toAttribute:@"distanceToShop"];
[getCustomer_Mapping mapKeyPath:@"email" toAttribute:@"email"];
[getCustomer_Mapping mapKeyPath:@"location" toAttribute:@"location"];
[getCustomer_Mapping mapKeyPath:@"locationLatitude" toAttribute:@"locationLatitude"];
[getCustomer_Mapping mapKeyPath:@"locationLongitude" toAttribute:@"locationLongitude"];
[getCustomer_Mapping mapKeyPath:@"numberOfCustomerRating" toAttribute:@"numberOfCustomerRating"];
[getCustomer_Mapping mapKeyPath:@"offerCount" toAttribute:@"offerCount"];
[getCustomer_Mapping mapKeyPath:@"rateLater" toAttribute:@"rateLater"];
[getCustomer_Mapping mapKeyPath:@"openingHour" toRelationship:@"customerRelationShip" withMapping:openingHour_Mapping];
RKManagedObjectMapping *getAllCustomer_Mapping = [RKManagedObjectMapping mappingForClass:[CheckInAllCustomers class]
inManagedObjectStore:objectManager.objectStore];
[getAllCustomer_Mapping mapKeyPath:@"customerId" toAttribute:@"customerId"];
RKObjectMapping *c_Mapping = [RKObjectMapping mappingForClass:[checkInRoot class]];
[c_Mapping mapKeyPath:@"customers" toRelationship:@"customersData" withMapping:getCustomer_Mapping];
[c_Mapping mapKeyPath:@"allCustomers" toRelationship:@"allCustomersData" withMapping:getAllCustomer_Mapping];
[objectManager.mappingProvider registerMapping:c_Mapping withRootKeyPath:@""];
输出将得到 'success'、'customers' 和 'allCustomers' 但 'openingHour' 值为 NULL。
[getCustomer_Mapping mapKeyPath:@"openingHour" toRelationship:@"customerRelationShip" withMapping:openingHour_Mapping];
像上面的代码一样正确吗?我不知道如何获取“openingHour”键的值。请帮助我
让我解释一下它是如何工作的:
最佳答案
看看它是如何工作的:
NSDictionary *dictionary = [yourParser parse: jsonString];
for (int i= 0; i < [[dictionary valueForKey:@"customers"] count]; i++) {
NSArray *openingHourArray = [[[dictionary valueForKey:@"customers"] objectAtIndex:i] valueForKey: openingHour];
for(int j = 0; j <[openingHourArray count]; j++){
NSDictionary *openingHourDictionary = [openingHourArray objectAtIndex:i];
NSLog(@"openingHourDictionary =%@", openingHourDictionary);
}
}
这是给你的作业,相应地检查 valueForKey
返回的值是字典还是数组。否则会导致应用程序崩溃。快乐编码.. :)
关于iphone - 如何获取关系键,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/13899826/
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