ios 設置按鈕背景 及綁定事件

原創 mr-song 2020-07-08 06:31 
[_loginButton setBackgroundImage:[UIImage imageNamed:@"login_icon.png"] forState:UIControlStateNormal];
        [_loginButton addTarget:self action:@selector(userLogin) forControlEvents:UIControlEventTouchUpInside];

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