qgis +openlayer +postgre

1、qgis安装
https://blog.csdn.net/guoruijun_2012_4/article/details/106550842
2、geoserver安装
https://blog.csdn.net/guoruijun_2012_4/article/details/106249426
3、postgre安装，openlayer预览
https://blog.csdn.net/guoruijun_2012_4/article/details/106276529