Javascript 如何使用KML导出的数据在谷歌地图上创建路线？

我使用谷歌地图引擎在地图上创建了一条路线，路线上的标记和线串穿过标记（链接：）。然后我将数据导出到（kml）文件中。我现在想做的就是，当有人点击我网站上的按钮时，使用下面的信息（如纬度/长坐标）创建一条动态路线。我正在使用HTML5、CSS3和JavaScript构建一个移动应用程序。我最初的想法是使用KML解析器将坐标信息保存在数据库中，以解析KML文件。保存坐标后，我可以从javascript代码中调用它们？我不确定这是解决我问题的办法

<name>UFV To Peardonville and South Fraser   </name>
        <Placemark>
            <styleUrl>#icon-seq-0-0</styleUrl>
            <name>Stop 1- University of the Fraser Valley</name>
            <Point>
                <coordinates>-122.28257417678833,49.02859706469696,0.0</coordinates>
            </Point>
        </Placemark>
        <Placemark>
            <styleUrl>#icon-seq-0-1</styleUrl>
            <name>Stop 2 - Marshall and McCallum</name>
            <Point>
                <coordinates>-122.29326009750366,49.03969659484145,0.0</coordinates>
            </Point>
        </Placemark>

<Placemark>
            <styleUrl>#line-FF8277-7</styleUrl>
            <name>Line 8</name>
            <LineString>
                <tessellate>0</tessellate>
                <coordinates>-122.28205919265747,49.02870961988958,0.0 -122.281973361969,49.03145307396853,0.0 -122.29304552078247,49.031270181736296,0.0 -122.29298114776611,49.033211618811904,0.0 -122.29280948638916,49.03466061304994,0.0 -122.29257345199585,49.035012304315345,0.0 -122.29332447052002,49.0358563532078,0.0 -122.29334592819214,49.03985132363843,0.0 -122.2934103012085,49.04564627375429,0.0 -122.29032039642334,49.0456181445595,0.0 -122.29032039642334,49.0474605732066,0.0 -122.2902774810791,49.049049788878406,0.0 -122.29180097579956,49.04906385250716,0.0 -122.29519128799438,49.04933106069776,0.0 -122.30310916900635,49.05028737298155,0.0 -122.30478286743164,49.050498321744364,0.0 -122.30437517166138,49.05023111982696,0.0 -122.30448246002197,49.04684174982452,0.0 -122.30677843093872,49.04696832796101,0.0 -122.30982542037964,49.049387314870685,0.0 -122.30997562408447,49.05084990102674,0.0</coordinates>
            </LineString>
        </Placemark>

UFV至皮尔顿维尔和南弗雷泽
#icon-seq-0-0
第1站-弗雷泽山谷大学
-122.28257417678833,49.02859706469696,0.0
#icon-seq-0-1
第二站-马歇尔和麦卡勒姆
-122.29326009750366,49.03969659484145,0.0
#线路-FF8277-7
第8行
0
-122.28205919265747,49.02870961988958,0.0 -122.281973361969,49.03145307396853,0.0 -122.29304552078247,49.031270181736296,0.0 -122.29298114776611,49.033211618811904,0.0 -122.29280948638916,49.03466061304994,0.0 -122.29257345199585,49.035012304315345,0.0 -122.29332447052002,49.0358563532078,0.0 -122.29334592819214,49.03985132363843,0.0 -122.2934103012085,49.04564627375429,0.0 -122.29032039642334,49.0456181445595,0.0 -122.29032039642334,49.0474605732066,0.0 -122.2902774810791,49.049049788878406,0.0 -122.29180097579956,49.04906385250716,0.0 -122.29519128799438,49.04933106069776,0.0 -122.30310916900635,49.05028737298155,0.0 -122.30478286743164,49.050498321744364,0.0 -122.30437517166138,49.05023111982696,0.0 -122.30448246002197,49.04684174982452,0.0 -122.30677843093872,49.04696832796101,0.0 -122.30982542037964,49.049387314870685,0.0 -122.30997562408447,49.05084990102674,0.0

Hi geocodezip的可能重复项您能向我解释一下您是如何创建的吗？我访问了网页，但你能告诉我你是怎么画的吗？有没有像教程或链接我可以遵循，这将是很大的帮助？