UIToolbar自定义背景及按钮设置

　　//1.创建toolbar(MyToolbar继承UIToolbar)

    _myToolbar = [[MyToolbar alloc]initWithFrame:CGRectMake(kZero, kZero, kScreenW, kToolbarH)];

    _myToolbar.backgroundColor = [ColorTools toolbarColor];

    //2.创建左右两边的buttonItem

    _leftButton = [[UIButton alloc]initWithFrame:CGRectMake(, , , )];

    [_leftButton setImage:[UIImage imageNamed:@"left"] forState:UIControlStateNormal];

    [_leftButton setImage:[UIImage imageNamed:@"left_Highlight"] forState:UIControlStateHighlighted];

    [_leftButton addTarget:self action:@selector(left) forControlEvents:UIControlEventTouchUpInside];

    _rightButton = [[UIButton alloc]initWithFrame:CGRectMake(, , , )];

    [_rightButton setImage:[UIImage imageNamed:@"right"] forState:UIControlStateNormal];

    [_rightButton setImage:[UIImage imageNamed:@"right_Highlight"] forState:UIControlStateHighlighted];

    [_rightButton addTarget:self action:@selector(right) forControlEvents:UIControlEventTouchUpInside];

    //3.创建中间的label

    _titleLabel = [[UILabel alloc]initWithFrame:CGRectMake(, kStatusH, , )];

    _titleLabel.text = @"测试Toolbar";

    _titleLabel.textColor = [UIColor whiteColor];

    //4.添加到当前视图中

    [_myToolbar addSubview:_titleLabel];

    [_myToolbar addSubview:_leftButton];

    [_myToolbar addSubview:_rightButton];

    [self.view addSubview:_myToolbar];