tilelive-postgis 实现 API，以从PostGIS生成mapnik矢量图块。 安装 npm install mapbox/tilelive tilelive-postgis 用法 const tilelive = require ( 'mapbox/tilelive' ) ; require ( 'tilelive-postgis' ) . registerProtocols ( tilelive ) ; const uri = 'postgis://user:password