openlayers_echart (npm): **最新版的OpenLayers与最新的ECharts相结合，实现了将ECharts中的地图换成OpenLayers的地图。**
Keywords: openlayers|echarts|openlayers3|echarts3|openlayers4|openlayers5|ol|openlayers3 echarts3|openlayers4 echarts3|openlayers5 echarts3