first commit

backend.cpp

@@ -0,0 +1,31 @@
+#include "crow.h"
+#include <string>
+#include <iostream>
+
+
+int main() {
+    crow::SimpleApp app;
+
+    CROW_ROUTE(app, "/")([](){
+        auto page = crow::mustache::load_text("index.html");
+        return page;
+    });
+
+
+    CROW_ROUTE(app, "/button").methods("POST"_method)([](const crow::request& req) {
+        auto x = crow::json::load(req.body);
+        if (!x) {
+         return crow::response(400, "invalid JSON");   
+        }
+        std::string name = x["name"].s();
+        name.erase(std::remove_if(name.begin(), name.end(), ::isspace), name.end());
+        std::cout << name << std::endl;
+        return crow::response(200, name);
+    });
+
+    app.port(18080).multithreaded().run();
+}
+
+
+
+