在按钮上加入Icon，使Icon和文字同时显示2. 显示平面按钮3. 使按钮上的图标可变4. 设置按钮在不同状态下的底色和文字颜色5. 设置图标和文字的位置6. 根据Icon的形状设置按钮的形状7. 添加Tooltips-Button to add the Icon, so that at the same time show Icon and text 2. Show flat button 3. So that the icon button on the variable 4. Settings button under different background and text color 5. Set up the location of the icon and text 6. According to Icon Settings button in the shape of the shape of 7. add Tooltips