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这里记录在官方的例子中，加入跨域。Oat++ Example-CRUD

在官方的例子中，加入跨域。
Oat++ Example-CRUD

修改AppComponent.hpp文件中的代码，如下：

#include "AppComponent.hpp"#include "controller/UserController.hpp"
#include "controller/StaticController.hpp"#include "oatpp-swagger/Controller.hpp"#include "oatpp/network/Server.hpp"
#include "oatpp/web/server/interceptor/RequestInterceptor.hpp"
#include "oatpp/web/server/interceptor/ResponseInterceptor.hpp"
#include "oatpp/web/protocol/http/outgoing/ResponseFactory.hpp"#include <iostream>class CORSInterceptor : public oatpp::web::server::interceptor::RequestInterceptor, public oatpp::web::server::interceptor::ResponseInterceptor {
public:std::shared_ptr<oatpp::web::protocol::http::outgoing::Response> intercept(const std::shared_ptr<oatpp::web::protocol::http::incoming::Request>& request) override {if (request->getStartingLine().method == "OPTIONS") {auto response = oatpp::web::protocol::http::outgoing::ResponseFactory::createResponse(oatpp::web::protocol::http::Status::CODE_200, nullptr);/*   response->putHeader("Access-Control-Allow-Origin", "*");*//*  response->putHeader("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS");response->putHeader("Access-Control-Allow-Headers", "Content-Type, Authorization");*///response->putHeader("Access-Control-Max-Age", "3600"); // Cache preflight responsereturn response;}return nullptr;}std::shared_ptr<oatpp::web::protocol::http::outgoing::Response> intercept(const std::shared_ptr<oatpp::web::protocol::http::incoming::Request>& request, const std::shared_ptr<oatpp::web::protocol::http::outgoing::Response>& response) override {response->putHeader("Access-Control-Allow-Origin", "*");response->putHeader("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS");response->putHeader("Access-Control-Allow-Headers", "Content-Type, Authorization");return response;}
};void run() {AppComponent components; // Create scope Environment components/* Get router component */OATPP_COMPONENT(std::shared_ptr<oatpp::web::server::HttpRouter>, router);/* Get connection handler component */OATPP_COMPONENT(std::shared_ptr<oatpp::network::ConnectionHandler>, connectionHandler);/* Create a CORSInterceptor instance */auto corsInterceptor = std::make_shared<CORSInterceptor>();/* Add CORSInterceptor to the connection handler */auto httpConnectionHandler = std::static_pointer_cast<oatpp::web::server::HttpConnectionHandler>(connectionHandler);httpConnectionHandler->addRequestInterceptor(corsInterceptor);httpConnectionHandler->addResponseInterceptor(corsInterceptor);oatpp::web::server::api::Endpoints docEndpoints;docEndpoints.append(router->addController(UserController::createShared())->getEndpoints());router->addController(oatpp::swagger::Controller::createShared(docEndpoints));router->addController(StaticController::createShared());/* Get connection provider component */OATPP_COMPONENT(std::shared_ptr<oatpp::network::ServerConnectionProvider>, connectionProvider);/* create server */oatpp::network::Server server(connectionProvider, connectionHandler);OATPP_LOGD("Server", "Running on port %s...", connectionProvider->getProperty("port").toString()->c_str());server.run();/* stop db connection pool */OATPP_COMPONENT(std::shared_ptr<oatpp::provider::Provider<oatpp::sqlite::Connection>>, dbConnectionProvider);dbConnectionProvider->stop();}/***  main*/
int main(int argc, const char* argv[]) {oatpp::base::Environment::init();run();/* Print how much objects were created during app running, and what have left-probably leaked *//* Disable object counting for release builds using '-D OATPP_DISABLE_ENV_OBJECT_COUNTERS' flag for better performance */std::cout << "\nEnvironment:\n";std::cout << "objectsCount = " << oatpp::base::Environment::getObjectsCount() << "\n";std::cout << "objectsCreated = " << oatpp::base::Environment::getObjectsCreated() << "\n\n";oatpp::base::Environment::destroy();return 0;
}