java 单机接口限流处理方案
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2022-06-06
rapidjson组装继续简化------人生苦短,我用rapidjson
看最简单的:
#include <iostream> #include <stdio.h> #include<unistd.h> #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include<sstream> // 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" using namespace std; using rapidjson::Document; using rapidjson::StringBuffer; using rapidjson::Writer; using namespace rapidjson; void test() { Document document; document.SetObject(); Document::AllocatorType& allocator = document.GetAllocator(); Value object(rapidjson::kObjectType); document.AddMember("age", 29, allocator); document.AddMember("name", "taoge", allocator); StringBuffer buffer; Writer<StringBuffer> writer(buffer); document.Accept(writer); string str = buffer.GetString(); cout << str << endl; } int main(int argc, char *argv[]) { test(); return 0; }
结果:
{"age":29,"name":"taoge"}
再看数组:
#include <iostream> #include <stdio.h> #include<unistd.h> #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include<sstream> // 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" using namespace std; using rapidjson::Document; using rapidjson::StringBuffer; using rapidjson::Writer; using namespace rapidjson; void test() { Document document; document.SetObject(); Document::AllocatorType& allocator = document.GetAllocator(); Value array(rapidjson::kArrayType); Value object(rapidjson::kObjectType); object.AddMember("age", 30, allocator); object.AddMember("name", "taoge", allocator); array.PushBack(object, allocator); document.AddMember("json", array, allocator); StringBuffer buffer; Writer<StringBuffer> writer(buffer); document.Accept(writer); string str = buffer.GetString(); cout << str << endl; } int main(int argc, char *argv[]) { test(); return 0; }
结果:
{"json":[{"age":30,"name":"taoge"}]}
再来看一个:
#include <iostream> #include <stdio.h> #include<unistd.h> #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include<sstream> // 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" using namespace std; using rapidjson::Document; using rapidjson::StringBuffer; using rapidjson::Writer; using namespace rapidjson; void test() { Document document; document.SetObject(); Document::AllocatorType& allocator = document.GetAllocator(); Value array(rapidjson::kArrayType); Value object(rapidjson::kObjectType); object.AddMember("age", 30, allocator); object.AddMember("name", "taoge", allocator); array.PushBack(object, allocator); document.AddMember("oh1", array, allocator); document.AddMember("oh2", "hehe", allocator); StringBuffer buffer; Writer<StringBuffer> writer(buffer); document.Accept(writer); string str = buffer.GetString(); cout << str << endl; } int main(int argc, char *argv[]) { test(); return 0; }
结果:
{"oh1":[{"age":30,"name":"taoge"}],"oh2":"hehe"}
总结
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