added crow and basic example

1 files changed, 21 insertions, 1 deletions

diff --git a/src/main.cpp b/src/main.cpp
index d90e58d..57e4686 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,5 +1,25 @@
 #include <iostream>
 
+#include "crow.h"
+
 int main() {
+    crow::SimpleApp app;
+
+    CROW_ROUTE(app, "/add_json")
+            .methods("POST"_method)
+                    ([](crow::request const &request) {
+                        auto data = crow::json::load(request.body);
+                        if (!data)
+                            return crow::response(400);
+                        auto sum = data["a"].i() + data["b"].i();
+                        std::ostringstream os;
+                        os << sum;
+                        return crow::response{os.str()};
+                    });
+
+    app.port(18080).multithreaded().run();
+
     std::cout << "Hello, World\n" << std::endl;
-}
\ No newline at end of file
+}
+
+// curl -d '{"a":"5", "b":"12"}' -H "Content-Type: application/json" -X POST http://localhost:18080/add_json