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C++用マイクロウェブフレームワークcrow入門(Hello,Worldまで)

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C/C++用のウェブフレームワークcrowを使ってみます。

crow

プロジェクトディレクトリ作成

$ mkdir crow_example
$ cd crow_example

crowインストール

chpplが使える人

http://qiita.com/noco/items/4e4ca6c6abac99d19619

$ chppl download crow

使えない人

crowのGitHubからcrow_all.hをダウンロードしてくる

test_app.cpp作成

test_app.cpp
#include "crow_all.h"

int main() {
  crow::SimpleApp app;

  CROW_ROUTE(app, "/")([](){
      return "Hello, World!";
  });

  app.port(8080).multithreaded().run();
}

CMakeLists.txt作成

CMakeLists.txt
cmake_minimum_required(VERSION 2.8)
project (crow_examples)

find_package(Threads)

if (NOT CMAKE_BUILD_TYPE)
    message(STATUS "No build type selected, default to Release")
    set(CMAKE_BUILD_TYPE "Release")
endif()


if (MSVC)
set(Boost_USE_STATIC_LIBS "On")
find_package( Boost 1.52 COMPONENTS date_time filesystem system thread regex REQUIRED )
else()
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -std=c++1y")
find_package( Boost 1.52 COMPONENTS date_time filesystem system thread REQUIRED )
endif()

include_directories( ${Boost_INCLUDE_DIR} )

set(PROJECT_INCLUDE_DIR
${PROJECT_SOURCE_DIR}/include
)

include_directories("${PROJECT_INCLUDE_DIR}")
include_directories("${PROJECT_SOURCE_DIR}")

add_executable(test_app test_app.cpp)
target_link_libraries(test_app ${Boost_LIBRARIES})
target_link_libraries(test_app ${CMAKE_THREAD_LIBS_INIT})

ビルド

$ cmake .
$ make

起動

$ ./test_app

http://localhost:8080
にアクセスして"Hello, World!"が表示されていることを確認

以上で終了です。お疲れ様でした。

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