QCloudSignatureFields Class Reference Inherits from NSObject Declared in QCloudSignatureFields.h Overview 获取签名所需信息 appID 用户appid @property (nonatomic, strong) NSString *appID Declared In QCloudSignatureFields.h bucket 桶名称 @property (nonatomic, strong) NSString *bucket Declared In QCloudSignatureFields.h directory 路径 @property (nonatomic, strong) NSString *directory Declared In QCloudSignatureFields.h fileName 文件名 @property (nonatomic, strong) NSString *fileName Declared In QCloudSignatureFields.h once 是否需要一次性签名，默认为No @property (nonatomic, assign) BOOL once Declared In QCloudSignatureFields.h