highcharts api 中文帮助文档 ，适合没用过highchart 现在正打算用highcharts 的中文帮助文档，内容详细全面能大大提高开发效率(Highcharts API Chinese help file, which is not suitable for highchart, is now planning to use highcharts's Chinese help document. The content is detailed and comprehensive, which can greatly improve the development efficiency.)