进度条的设计,掌握颜色选择器对话框的使用,文件选择器对话框的使用,使用JOptionPane类创建对话框,通过制作“设置字体”对话框，掌握列表框、单选按钮、组合框等组件的使用,了解打包工具JAR的使用

-progress of the design and master color selector dialog box use, the paper selector dialog box, use category JOptionPane create dialog, through the production of "Set font" dialog box, master list box, radio button, the combination of components such as the frame to use, understand the JAR tool bundles use