这个是控制台下的一些api，可以方便的画出图形，算出鼠标坐标，避免了学习win编程的难度，又能在学c语言时写出友好的界面和功能，很不错-This is the console under the api, you can easily draw graphics, to calculate the coordinates of the mouse, to avoid the difficulty of learning win programming to write friendly inte