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@@ -3,4 +3,71 @@ Crow Crow is C++ microframework for web. (inspired by Python Flask) +(still in development, not completed yet) +Example +======= + +```c++ + +#include "crow.h" +#include "json.h" + +#include <sstream> + +int main() +{ + crow::Crow app; + + CROW_ROUTE(app, "/") + .name("hello") + ([]{ + return "Hello World!"; + }); + + CROW_ROUTE(app, "/about") + ([](){ + return "About Crow example."; + }); + + // simple json response + CROW_ROUTE(app, "/json") + ([]{ + crow::json::wvalue x; + x["message"] = "Hello, World!"; + return x; + }); + + CROW_ROUTE(app,"/hello/<int>") + ([](int count){ + if (count > 100) + return crow::response(400); + std::ostringstream os; + os << count << " bottles of beer!"; + return crow::response(os.str()); + }); + + // Compile error with message "Handler type is mismatched with URL paramters" + //CROW_ROUTE(app,"/another/<int>") + //([](int a, int b){ + //return crow::response(500); + //}); + + // more json example + CROW_ROUTE(app, "/add_json") + ([](const crow::request& req){ + auto x = crow::json::load(req.body); + if (!x) + return crow::response(400); + int sum = x["a"].i()+x["b"].i(); + std::ostringstream os; + os << sum; + return crow::response{os.str()}; + }); + + app.port(18080) + .multithreaded() + .run(); +} + +``` |