具体操作代码如下:
#include<iostream>
#include<string>
#include "../include/rapidjson/document.h"
#include "../include/rapidjson/writer.h"
#include "../include/rapidjson/stringbuffer.h"
using namespace rapidjson;
std::string ToJson()
{
Document doc;
doc.SetObject();
Document::AllocatorType &typeAllocate = doc.GetAllocator();
//单个key
doc.AddMember("id", 10, typeAllocate);
doc.AddMember("name", "test", typeAllocate);
//数组
Value valueArr(rapidjson::kArrayType);
for (int nIndex = 0; nIndex < 2; ++nIndex)
{
Value valueData(rapidjson::kObjectType);
valueData.AddMember("C++", "666", typeAllocate);
valueData.AddMember("Java", "1212", typeAllocate);
valueArr.PushBack(valueData, typeAllocate);
}
//添加变量字符串
std::string strTag("hero");
doc.AddMember("tag", rapidjson::Value(strTag.c_str(), typeAllocate), typeAllocate);
doc.AddMember("skill", valueArr, typeAllocate);
StringBuffer buffer;
Writer<StringBuffer> writer(buffer);
doc.Accept(writer);
std::string strMsg = buffer.GetString();
std::cout << strMsg.c_str() << std::endl;
return strMsg;
}
void ParseJson(const std::string& strData)
{
std::cout << "********开始解析json数据***********\n";
Document doc;
doc.Parse(strData.c_str());
if (doc.HasParseError())
{
std::cout << "解析json失败,Src:" << strData.c_str() << std::endl;
return;
}
Value &vData = doc["id"];
std::cout << "ID:" << vData.GetInt() << "\n";
vData = doc["name"];
std::cout << "Name:" << vData.GetString() << "\n";
vData = doc["skill"];
for (int nIndex = 0; nIndex < vData.Size(); ++nIndex)
{
Value& valueSkill = vData[nIndex];
std::cout << "Name:" << valueSkill["C++"].GetString() << ",";
std::cout << "Name:" << valueSkill["Java"].GetString() << "\n";
}
}
int main()
{
std::string strRst(ToJson());
ParseJson(strRst);
system("pause");
return 0;
}