ubuntu compile jsoncpp

1. Download version 1.9.5 from github here: https://github.com/open-source-parsers/jsoncpp.git
2. After getting the jsoncpp-master.zip package, unzip it and enter jsoncpp-master
3. In the current Create a new build path in the directory, enter the build directory
4. Execute in the build directory to cmake ../get the Makefile file
5. Execute makethe command to compile the jsoncpp library.

Executing here means that it has been compiled.

The above is the compiled library.