4. Install jsoncpp

1. Download Tool

Jsoncpp

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

Scons

Http://sourceforge.net/projects/scons/files/scons/2.1.0/scons-2.1.0.tar.gz

Note:

① Installation jsoncpp download required jsoncpp and scon python

② scons is a tool with functions and GNU make Same as make It's much simpler. scons Yes python tool, you must install python .

2. InstallScons

①Extract

Tar-zxvf scons-2.0.1.tar.gz

②Set Environment Variables

Export myscons = decompressed path

Export scons_lib_dir = $ myscons/Engine

③SwitchJsoncppAnd run the following command:

Python $ myscons/script/scons platform = Linux-gcc

④Generate static and dynamic library files

InJsoncpp-src-0.5.0/libs/linux-gcc-4.1.2Directory

Libjson_linux-gcc-4.4.4_libmt.a

Libjson_linux-gcc-4.4.4_libmt.so

Mkdir/usr/include/jsoncpp

⑤Copy two library filesJsoncppDirectory

3. Example

Rename the static libraryLibjson.

Example

View code

# Include "  JSON/JSON. h  " 
# Include <String >
# Include <iostream>
 Using   Namespace STD;

 Int Main ()
{
 String Test = "  {\ "ID \": 1, \ "Name \": \ "Kurama \"}  " ;
JSON: reader;
JSON: Value value;
 If (Reader. parse (test, value ))
{
 If (! Value [ "  ID  " ]. Isnull ())
{
Cout <value [ "  ID  " ]. Asint () <Endl;
Cout <value [ "  Name  " ]. Asstring () <Endl;
}
}
Return   0 ;
}

Compile:G ++-O json_t json_t2.cpp/usr/include/JSON/libjson.

Reference

【1]SconsOfficial Website

Http://www.scons.org/

【2] Installation Reference

Http://blog.csdn.net/zxkurama/article/details/6543552

Http://hi.baidu.com/%B4% AB %CB%B5%D6%D0%B5%C4%C8%CC%D5%DF%C3%A8/blog/item/a6eb970c98a644d67acbe15a.html