SmoothPageIndicator平滑的页面指示器。我称它为点集。效果与 dots indicator 类似，但样式更多样。依赖引入1smooth_page_indicator: ^1.0.0+2使用1234567891011121314SmoothPageIndicator( //this controller is PageController,which is usually used in PageView to controlle the page changing controller: _controller, count: 3, onDotClicked: (index){ _controller.jumpToPage(index); }, //是特效！我加了特效！ //ExpandingDotsEffect,ColorTransitionEffect,JumpingDotEffect... effect: SwapEffect( activeDotColor: Colors.deepPurple, dotColor: Colors...