摘要：
iOS运用keychain 结合[[[UIDevice currentDevice] identifierForVendor] UUIDString]取得设备唯一标识 NSString *identifierStr = [[[UIDevice currentDevice] identifierForVendor] UUIDString] NSString * const KEY_USERNAME_PASSWORD = @"com.snda.app.usernamepassword"; NSString * const KEY_PASSWORD = @"com.sn 阅读全文
