C++实现一个http服务器

一个简单的博客后端服务器
github地址，持续更新
设计参考

#define MYSQLPP_MYSQL_HEADERS_BURIED
#include "httplib.h"
#include "rapidjson/document.h"
#include 
#include 
#include 
using namespace std;

namespace {
  const string blog_db = "blog_system";
  const string blog_table = "blog_table";
  // 下面是数据库服务器的信息，我用的腾讯 mysql 数据库，需配置你自己的服务器信息
  const string blog_server = "";
  const string blog_user = "";
  const string blog_pass = "";
  const int blog_port = ;
}


int main() {
  using namespace httplib;
  using namespace mysqlpp;
  using namespace rapidjson;

  mysqlpp::Connection conn(false);
  conn.set_option(new mysqlpp::SetCharsetNameOption("utf8"));
  if (conn.connect(blog_db.c_str(), blog_server.c_str(), blog_user.c_str(),
                      blog_pass.c_str(), blog_port)) {
    cout << "success" << endl;
  } else {
    exit(0);
  }

  Server svr;
  svr.Get("/", [](const Request& req, Response& res) {
    cout << "/" << endl;
    res.set_content("hello world!", "text/plain");
  });

  svr.Get("/hi", [](const Request& req, Response& res) {
    cout << "hi" << endl;
    res.set_content("Hi", "text/plain");
  });
  svr.Post("/hello", [](const Request& req, Response& res) {
    res.set_content("hello post", "text/plain");
  });

  svr.Post("/blog", [&](const Request& req, Response& res) {
    Document d;
    cout << req.method << endl;
    cout << req.path << endl;
    cout << req.remote_addr << endl;
    cout << req.body << endl;
    if (d.Parse(req.body.c_str()).HasParseError()) {
      cout << "parse" << endl;
      return 1;
    }

    auto title = d["title"].GetString();
    auto content = d["content"].GetString();
    auto tag_id = d["tag_id"].GetInt();
    auto create_time = d["create_time"].GetString();
    unique_ptr<char> sql(new char[strlen(content) * 2 + 4096]);
    sprintf(sql.get(), "insert into blog_table values(null, '%s', '%s', '%d', '%s')",
            title, content, tag_id, create_time);
    cout << sql.get() << endl;
    mysqlpp::Query query = conn.query(string(sql.get()));
    try {
      query.execute();
    } catch(const mysqlpp::BadQuery& er) {
      cout << "query error :" << er.what() << endl;
      return -1;
    }
  });

  svr.listen("localhost", 1234);
}

• CMakeLists.txt

cmake_minimum_required(VERSION 3.10)

project (blog)

set(CMAKE_CXX_STANDARD 11)

include_directories(include)

add_executable(service service.cpp)

target_link_libraries(service pthread mysqlpp)

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