这是一个很不错的java外观包，里面有21种界面：1，UIManager.setLookAndFeel(newSubstanceAutumnLookAndFeel());2.UIManager.setLookAndFeel(newSubstanceBusinessBlackSteelLookAndFeel());UIManager.setLookAndFeel(newSubstanceBusinessBlueSteelLookAndFeel());UIManager.setLookAndFeel(newSubstanceBusinessLookAndFeel());等