Highcharts 是一个用纯Javascr ipt编写的一个图表库， 能够很简单便捷的在web网站或是web应用程序添加有交互性的图表，并且免费提供给个人学习、个人网站和非商业用途使用(Highcharts is a pure Javascr ipt prepared by the a chart, can be very simple and convenient in the web website or web application to add interactive charts, and free for individual learning, personal websites and non - commercial use)