ruby-on-rails – 使用Rails 3.1进行RestKit映射
发布时间:2020-12-16 19:20:48 所属栏目:百科 来源:网络整理
导读:在Rails 3.0.8中,json包含一个带有模型名称的根元素.例如我的位置模型. [{location: {city: San Diegoname: Mission Valley YMCA Krause Family Skateparkpads_required: 0country: United States 并且映射提供程序直接查找位置对象. RKObjectMapping* locat
在Rails 3.0.8中,json包含一个带有模型名称的根元素.例如我的位置模型.
[ { location: { city: San Diego name: Mission Valley YMCA Krause Family Skatepark pads_required: 0 country: United States 并且映射提供程序直接查找位置对象. RKObjectMapping* locationMapping = [RKObjectMapping mappingForClass:[RKLocation class]]; [locationMapping mapKeyPath:@"id" toAttribute:@"locationId"]; ... [objectManager.mappingProvider setMapping:locationMapping forKeyPath:@"location"]; 现在当你升级到rails 3.1.0时,根节点“location”现在默认被删除了,我不知道如何在没有它的情况下配置映射提供程序?我尝试了nil并寻找替代方法,但没有成功. 你知道如何映射吗?请帮忙! [ { city: San Diego name: Mission Valley YMCA Krause Family Skatepark pads_required: 0 country: United States 解决方法
从RestKit方面来说,我不知道,但是从
this topic看起来你可以让json回到RestKit期望做的事情:
class Location < ActiveRecord::Base self.include_root_in_json = true end 编辑: RKObjectMapping* locationMapping = [RKObjectMapping mappingForClass:[RKLocation class]]; [locationMapping mapKeyPath:@"id" toAttribute:@"locationId"]; ... [objectManager.mappingProvider addObjectMapping:locationMapping]; 然后调用mapper: RKObjectMapping* locationMapping = [[RKObjectManager sharedManager].mappingProvider objectMappingForClass:[RKLocation class]]; [[RKObjectManager sharedManager] loadObjectsAtResourcePath:@"/locations" objectMapping:locationMapping delegate:self]; 然后你将处理RKObjectLoader委托方法中的对象. (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |