jquery生成折线图：曲线图的标题，各种数据的颜色、直角坐标系，名称及数量均可自定义，可动态用AJAX方式远程载入要显示的一组或者N组数据。-jquery generate line chart: the title of the graph, the color of various data, Cartesian coordinates, name and quantity can be customized, can be remotely loaded dynamically usin