存儲路徑可用NSLog打印，然后回到左面可用快捷鍵 shift+command+g前往到存儲的文件夾

讀取沙盒中存儲的數據

PS 存儲數據還能用單例存儲

NSUserDefaults *userDefault = [NSUserDefaults standardUserDefaults];

[userDefault setObject:@"123" forKey:@"account"];

[userDefault setObject:@"qaz" forKey:@"passWord"];

存儲完后是在Preferences文件里面

獲取單例存儲的數據

NSString *account = [[NSUserDefaults standardUserDefaults] objectForKey:@"account"];

NSString *passWord = [[NSUserDefaults standardUserDefaults] objectForKey:@"passWord"];