public static String exportToHtml(Option option, String folderPath) {
        String fileName = "ECharts-" + System.currentTimeMillis() + ".html";
        return exportToHtml(option, folderPath, fileName);
    }
public static String exportToHtml ( Option option , String folderPath ) { String fileName = "ECharts-" + System . currentTimeMillis ( ) + ".html" ; return exportToHtml ( option , folderPath , fileName ) ; }
导出到指定文件夹，文件名随机

@param option
@param folderPath
@return 返回html路径