C++中rapidjson组装map和数组array的代码示例

2023-08-24 22:22:05 138
rapidjson组装map和数组array的代码示例
直接上码：
#include
#include
//请自己下载开源的rapidjson
#include"rapidjson/prettywriter.h"
#include"rapidjson/rapidjson.h"
#include"rapidjson/document.h"
#include"rapidjson/stringbuffer.h"
#include"rapidjson/writer.h"
#include"rapidjson/memorystream.h"
#include
#include
usingnamespacestd;
usingrapidjson::Document;
usingrapidjson::StringBuffer;
usingrapidjson::Writer;
usingnamespacerapidjson;
//注意int和uint64_t
mapg_mChildInt;
mapg_mChildString;
stringformJson(constmap&mInt,constmap&mString,
conststring&strChild="",constmap&mChildInt=g_mChildInt,constmap&mChildString=g_mChildString,
conststring&strChild2="",constmap&mChildInt2=g_mChildInt,constmap&mChildString2=g_mChildString)
{
Documentdocument;
Document::AllocatorType&allocator=document.GetAllocator();
Valueroot(kObjectType);
Valuekey(kStringType);
Valuevalue(kStringType);
//当前级别
for(map::const_iteratorit=mInt.begin();it!=mInt.end();++it)
{
key.SetString(it->first.c_str(),allocator);
root.AddMember(key,it->second,allocator);
}
for(map::const_iteratorit=mString.begin();it!=mString.end();++it)
{
key.SetString(it->first.c_str(),allocator);
value.SetString(it->second.c_str(),allocator);
root.AddMember(key,value,allocator);
}
//孩子级别
if(!strChild.empty())
{
Valuechild(kObjectType);
for(map::const_iteratorit=mChildInt.begin();it!=mChildInt.end();++it)
{
key.SetString(it->first.c_str(),allocator);
child.AddMember(key,it->second,allocator);
}
for(map::const_iteratorit=mChildString.begin();it!=mChildString.end();++it)
{
key.SetString(it->first.c_str(),allocator);
value.SetString(it->second.c_str(),allocator);
child.AddMember(key,value,allocator);
}
key.SetString(strChild.c_str(),allocator);
root.AddMember(key,child,allocator);
}
//孩子级别
if(!strChild2.empty())
{
Valuechild(kObjectType);
for(map::const_iteratorit=mChildInt2.begin();it!=mChildInt2.end();++it)
{
key.SetString(it->first.c_str(),allocator);
child.AddMember(key,it->second,allocator);
}
for(map::const_iteratorit=mChildString2.begin();it!=mChildString2.end();++it)
{
key.SetString(it->first.c_str(),allocator);
value.SetString(it->second.c_str(),allocator);
child.AddMember(key,value,allocator);
}
key.SetString(strChild2.c_str(),allocator);
root.AddMember(key,child,allocator);
}
StringBufferbuffer;
Writerwriter(buffer);
root.Accept(writer);
returnbuffer.GetString();
}
stringformJsonWithArray(constmap&mInt,constmap&mString,
conststring&strChild1,constmap&mChildInt,constmap&mChildString,
string&strChild2,vector>&mVecChildInt,vector>&mVecChildString)
{
Documentdocument;
Document::AllocatorType&allocator=document.GetAllocator();
Valueroot(kObjectType);
Valuekey(kStringType);
Valuevalue(kStringType);
//当前级别
for(map::const_iteratorit=mInt.begin();it!=mInt.end();++it)
{
key.SetString(it->first.c_str(),allocator);
root.AddMember(key,it->second,allocator);
}
for(map::const_iteratorit=mString.begin();it!=mString.end();++it)
{
key.SetString(it->first.c_str(),allocator);
value.SetString(it->second.c_str(),allocator);
root.AddMember(key,value,allocator);
}
//孩子级别
if(!strChild1.empty())
{
Valuechild(kObjectType);
for(map::const_iteratorit=mChildInt.begin();it!=mChildInt.end();++it)
{
key.SetString(it->first.c_str(),allocator);
child.AddMember(key,it->second,allocator);
}
for(map::const_iteratorit=mChildString.begin();it!=mChildString.end();++it)
{
key.SetString(it->first.c_str(),allocator);
value.SetString(it->second.c_str(),allocator);
child.AddMember(key,value,allocator);
}
key.SetString(strChild1.c_str(),allocator);
root.AddMember(key,child,allocator);
}
//孩子级别
unsignedintuiSize1=mVecChildInt.size();
unsignedintuiSize2=mVecChildString.size();
if(!strChild2.empty()&&uiSize1==uiSize2)
{
Valuearray(rapidjson::kArrayType);
for(unsignedinti=0;i::iteratorit=mVecChildInt[i].begin();it!=mVecChildInt[i].end();++it)
{
key.SetString(it->first.c_str(),allocator);
child.AddMember(key,it->second,allocator);
}
for(map::iteratorit=mVecChildString[i].begin();it!=mVecChildString[i].end();++it)
{
key.SetString(it->first.c_str(),allocator);
value.SetString(it->second.c_str(),allocator);
child.AddMember(key,value,allocator);
}
array.PushBack(child,allocator);
}
key.SetString(strChild2.c_str(),allocator);
root.AddMember(key,array,allocator);
}
StringBufferbuffer;
Writerwriter(buffer);
root.Accept(writer);
returnbuffer.GetString();
}
voidtest1()
{
mapmInt;
mapmString;
mInt["code"]=0;
mString["msg"]="ok";
stringstrChild1="xxx";
mapmChildInt1;
mapmChildString1;
mChildInt1["key"]=729;
mChildString1["kk"]="vv";
stringstrChild2="yyy";
mapmChildInt2;
mapmChildString2;
mChildInt2["key"]=730;
mChildString2["kkk"]="vvv";
strings=formJson(mInt,mString,strChild1,mChildInt1,mChildString1,strChild2,mChildInt2,mChildString2);
cout<mInt;
mapmString;
mInt["code"]=0;
mString["msg"]="ok";
stringstrChild1="xxx";
mapmChildInt;
mapmChildString;
mChildString["kk"]="vv";
mChildInt["key"]=729;
stringstrChild2="data";
vector>mVecChildInt;
vector>mVecChildString;
{
mapmChildInt;
mapmChildString;
mChildInt["id"]=1;
mChildString["path"]="pa";
mChildString["sha"]="sh";
mVecChildInt.push_back(mChildInt);
mVecChildString.push_back(mChildString);
}
{
mapmChildInt;
mapmChildString;
mChildInt["id"]=2;
mChildString["path"]="pa";
mChildString["sha"]="sh";
mVecChildInt.push_back(mChildInt);
mVecChildString.push_back(mChildString);
}
strings=formJsonWithArray(mInt,mString,strChild1,mChildInt,mChildString,strChild2,mVecChildInt,mVecChildString);
cout<
结果：

{"code":0,"msg":"ok","xxx":{"key":729,"kk":"vv"},"yyy":{"key":730,"kkk":"vvv"}}

{"code":0,"msg":"ok","xxx":{"key":729,"kk":"vv"},"data":[{"id":1,"path":"pa","sha":"sh"},{"id":2,"path":"pa","sha":"sh"}]}

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C++中rapidjson组装map和数组array的代码示例

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