1.Install
sudo apt-get install libjsoncpp-dev
2.Add using header.
#include <jsoncpp/json/json.h>
3.Use
#include <algorithm> #include <chrono> #include <ctime> #include <fstream> #include <iostream> #include <sstream> #include <string> #include <string.h> #include <thread> #include <unistd.h> #include <uuid/uuid.h> #include <vector> #include <jsoncpp/json/json.h> using namespace std; using namespace Json; char* uuidValue=(char*)malloc(40); char* getUuid() { uuid_t newUUID; uuid_generate(newUUID); uuid_unparse(newUUID,dtValue); return dtValue; } void jsonCppDemo2() { Json::Value fromScratch; Json::Value array; array.append("hello"); array.append("world"); fromScratch["hello"]=getUuid(); fromScratch["num"]=UINT64_MAX; fromScratch["array"]=array; fromScratch["object"]["hello"]=getUuid(); cout<<fromScratch<<endl; Json::StyledWriter styledWriter; cout<<endl<<"StyledWriter:"<<endl<<styledWriter.write(fromScratch)<<endl; Json::FastWriter fastWriter; string jsonValue=fastWriter.write(fromScratch); cout<<endl<<"FastWriter:"<<endl<<jsonValue<<endl; Json::Value parsedFromString; Json::Reader reader; bool parsed= reader.parse(jsonValue,parsedFromString); if(parsed) { cout<<endl<<"ParsedFromString:"<<endl<<styledWriter.write(parsedFromString)<<endl; } } int main(int args,char **argv) { jsonCppDemo2(); }
4.Compile
g++ -g -std=c++2a -I. *.cpp -o h1 -luuid -lpthread -ljsoncpp
5.Run
./h1
6.Snapshot
原文链接: https://www.cnblogs.com/Fred1987/p/16886462.html
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