这是一个用HTML5写的一个模仿流行雨的动画效果，点击鼠标可以加速，移动鼠标可以改变方向，自己看看吧，很漂亮的哦，我不会告诉你我一直盯着它看了一小时的-This is a HTML5 write a parody of the popular rain animation, can accelerate the click of a mouse, move the mouse to change direction, to see for yourself! Very beautiful Oh,

字符转换加速对原版进行了大的优化，加快速度-Character conversion speed