//apple_ref/occ/cl/NIPRnUpdateService NIPRnUpdateService.h //apple_ref/occ/clm/NIPRnUpdateService/sharedService 获取单例 NIPRnUpdateService.h + (instancetype)sharedService obj //api/name/sharedService //apple_ref/occ/instm/NIPRnUpdateService/setRequestUrl: 请求远程服务的url，用来确定是否升级本地的rn资源包 NIPRnUpdateService.h @property (nonatomic, strong) NSString *requestUrl //api/name/requestUrl //apple_ref/occ/instm/NIPRnUpdateService/requestUrl 请求远程服务的url，用来确定是否升级本地的rn资源包 NIPRnUpdateService.h @property (nonatomic, strong) NSString *requestUrl //api/name/requestUrl //apple_ref/occ/instp/NIPRnUpdateService/requestUrl 请求远程服务的url，用来确定是否升级本地的rn资源包 NIPRnUpdateService.h @property (nonatomic, strong) NSString *requestUrl //api/name/requestUrl //apple_ref/occ/instm/NIPRnUpdateService/requestRCTAssetsBehind 静默后台下载rn资源 NIPRnUpdateService.h - (void)requestRCTAssetsBehind //api/name/requestRCTAssetsBehind //apple_ref/occ/instm/NIPRnUpdateService/requestRCTAssets:failBlock: 执行远程请求,请参数含有本地sdkversion、localDataVersion 如果服务器的serverVersion==localVersion，则不抛回数据，否则返回服务器上的新包 NIPRnUpdateService.h - (void)requestRCTAssets:(CFRCTUpdateAssetsSuccesBlock)successBlock failBlock:(CFRCTUpdateAssetsFailBlock)failBlock successBlock successBlock failBlock failBlock //api/name/requestRCTAssets:failBlock: