前三节大概描述了swing的绘制实现,现在补充一下Swing里十分重要的一个绘制概念:revalidate。 按Swing的想法,将开发java界面的开发人员分为两类:首先是开发独立的组件,这些组件与具体应用无关,Swing自身也提供了一套,开发者也可以开发自己的组件,这些人是组件开发者角色;然后是为某应用程序构建GUI,则是使用那些组件类...
The surface is made of epoxy anti-corrosion paint and amino baking paint as protective materials, so it has good corrosion resistance. It is reliable and effective in measuring the flow rate of various corrosive media such as strong acids (excluding hydrofluoric acid), strong alkalis, oxidants, ...