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我正在使用RestKIT为我想要使用的API发出GET请求。可悲的是没有输出。这是GET请求的输出:Objective-C RestKit no输出
{
"return_code": 0,
"return_message": "",
"result": {
"products_count": 2,
"product": [
{
"id": "2440508995",
"name": "Long Sweater",
"description": "This product guarantees warmth in times of need.",
"price": 8,
"categories_ids": "73978179"
},
{
"id": "2455113539",
"name": "Tommy Hilfiger Pants",
"description": "Exclusive brown pants",
"price": 13,
"categories_ids": ""
}
]
}
}
很显然,我只想得到一个数组,其中所有的产品都存储。这是我的方法来做到这一点。
- (void)loadProducts
{
RKObjectMapping* resultMapping = [RKObjectMapping mappingForClass:[Result class]];
[resultMapping addAttributeMappingsFromDictionary:@{
@"products_count": @"products_count",
}];
RKObjectMapping* productMapping = [RKObjectMapping mappingForClass:[Product class]];
[productMapping addAttributeMappingsFromDictionary:@{
@"id": @"id",
@"name": @"name",
@"description": @"description",
@"price": @"price",
@"categories_ids": @"categories_ids"
}];
[resultMapping addPropertyMapping:[RKRelationshipMapping relationshipMappingFromKeyPath:@"product" toKeyPath:@"product" withMapping:productMapping]];
RKResponseDescriptor *responseDescriptor = [RKResponseDescriptor responseDescriptorWithMapping:productMapping method:RKRequestMethodAny pathPattern:nil keyPath:@"result" statusCodes:RKStatusCodeIndexSetForClass(RKStatusCodeClassSuccessful)];
NSURL *URL = [NSURL URLWithString:@"https://api.api2cart.com/v1.0/product.list.json?api_key=//some keyf&store_key=//some key"];
NSURLRequest *request = [NSURLRequest requestWithURL:URL];
RKObjectRequestOperation *objectRequestOperation = [[RKObjectRequestOperation alloc] initWithRequest:request responseDescriptors:@[ responseDescriptor ]];
[objectRequestOperation setCompletionBlockWithSuccess:^(RKObjectRequestOperation *operation, RKMappingResult *mappingResult) {
RKLogInfo(@"Load collection of Products: %@", mappingResult.array);
} failure:^(RKObjectRequestOperation *operation, NSError *error) {
RKLogError(@"Operation failed with error: %@", error);
}];
[objectRequestOperation start];
}
我做了两个班,一个是具有NSNumber的“products_count”,并与所有的产品态度,一个产品类的结果。问题是即使建立了连接并且没有“错误”,mappingResult.array显然是空的。代码中的错误是什么?
您正在结果响应描述符中使用产品映射... – Wain
所以我用resultMapping替代它? –
这将是第一件要做的事情。你真的需要结果容器吗?您可以直接向下钻取具有响应描述符键路径的产品... – Wain