This is a progress can enhance the function of a class, he can progress to the v...

代码说明：

这是一个可以增强进度条功能的一个类，他可以对进度条的各个特征进行修改，比如说方向，颜色，是否显示数字等等。-This is a progress can enhance the function of a class, he can progress to the various characteristics of the changes, such as the direction, color, whether the numbers.