Using the C + + JSON library under MAC OS x

1. Download the C + + JSON library

http://sourceforge.net/projects/jsoncpp/files/

2. Download SCons
Http://sourceforge.net/projects/scons/files/scons/2.1.0/scons-2.1.0.tar.gz/download

3. Unzip the scons-2.1.0.tar.gz

TAR-ZVXF scons-2.1.0.tar.gz

4. Go to the Unzip directory scons-2.1.0 below and execute the command:

sudo python setup.py install

5. Unzip the Jsconcpp

TAR-ZVXF jsoncpp-src-0.5.0.tar.gz

6. Go to the Jsoncpp decompression directory and execute the command:

sudo scons PLATFORM=LINUX-GCC

7. You can copy the JSON folder in the/jsoncpp-src-0.5.0/include/directory to/usr/include/, and the JSONCPP-SRC-0.5.0/LIBS/LINUX-GCC-4.9.1/ The libjson_linux-gcc-4.9.1_libmt.a in the directory is copied to/usr/local/lib/and renamed to Libjson.a for ease of use. or add it manually at g++ compile time.

8. Test the code:

1#include <iostream>2#include"Json/json.h"3 using namespacestd;4 5 intMain ()6 {7 Json::value Write_value;8write_value["ID"] =123;9write_value["name"] ="James";Ten     stringStr_json =write_value.tostyledstring (); One      A Json::reader Reader; - Json::value Read_value; -  the     if(Reader.parse (Str_json, read_value)) -     { -         if(!read_value["ID"].isnull ()) -         { +cout << read_value["ID"].asint () <<Endl; -cout << read_value["name"].asstring () <<Endl; +         } A     } at     return 0; -}

The compile command is g++ cpp_json.cpp-o cpp_json-l./-ljson

(Note: On my PC, the link library libjson.a in the same directory as the source file)

Using the C + + JSON library under MAC OS x