QT问题解决

1.pro文件下各个变量的含义

https://www.zybuluo.com/breakerthb/note/582395

2.如何在pro文件中导入其他的库

https://blog.csdn.net/lmhuanying1012/article/details/78549899

3.导入shapelib错误的解决办法

https://stackoverflow.com/questions/35461268/linker-errors-trying-to-use-shapelib

4.shapefile各个文件的说明

https://blog.csdn.net/dyxcome/article/details/83065043

5.use shapelib to read maps

http://redwarrior.org/blog/?p=16

5.将shp文件转换为pdf的网站

https://mygeodata.cloud/conversion#

6.shapefile文件在线可视化

https://mapshaper.org/

7.基于QT的地图绘制

http://www.voidcn.com/article/p-thkhjkkc-zt.html