modify (#517)

README.md

@@ -250,7 +250,7 @@ int main() {
 	//将信息从中间件传输到处理程序
 	struct get_data  : public base_aspect {
 		bool before(coro_http_request& req, coro_http_response& res) {
-			req.set_aspect_data("hello", std::string("hello world"));
+			req.set_aspect_data("hello world");
 			return true;
 		}
 	}
@@ -262,8 +262,8 @@ int main() {
 		}, std::vector{std::make_shared<check>(), std::make_shared<log_t>()});
 
 		server.set_http_handler<GET,POST>("/aspect/data", [](coro_http_request& req, coro_http_response& res) {
-			std::string hello = req.get_aspect_data<std::string>("hello");
-			res.set_status_and_content(status_type::ok, std::move(hello));
+			auto& val = req.get_aspect_data();
+			res.set_status_and_content(status_type::ok, std::move(val[0]));
 		}, std::vector{std::make_shared<get_data>()});
 
 		server.sync_start();

example/main.cpp

@@ -258,7 +258,7 @@ struct log_t : public base_aspect {
 
 struct get_data : public base_aspect {
   bool before(coro_http_request &req, coro_http_response &res) {
-    req.set_aspect_data("hello", std::string("hello world"));
+    req.set_aspect_data("hello world");
     return true;
   }
 };
@@ -268,9 +268,8 @@ async_simple::coro::Lazy<void> use_aspects() {
   server.set_http_handler<GET>(
       "/get",
       [](coro_http_request &req, coro_http_response &resp) {
-        std::optional<std::string> val =
-            req.get_aspect_data<std::string>("hello");
-        assert(*val == "hello world");
+        auto &val = req.get_aspect_data();
+        assert(val[0] == "hello world");
         resp.set_status_and_content(status_type::ok, "ok");
       },
       std::vector<std::shared_ptr<base_aspect>>{std::make_shared<log_t>(),

include/cinatra/coro_http_request.hpp

@@ -208,23 +208,11 @@ class coro_http_request {
     return true;
   }
 
-  void set_aspect_data(const std::string &&key, const std::any &data) {
-    aspect_data_[key] = data;
+  void set_aspect_data(std::string data) {
+    aspect_data_.push_back(std::move(data));
   }
 
-  template <typename T>
-  std::optional<T> get_aspect_data(const std::string &&key) {
-    auto it = aspect_data_.find(key);
-    if (it == aspect_data_.end()) {
-      return std::optional<T>{};
-    }
-
-    try {
-      return std::any_cast<T>(it->second);  // throws
-    } catch (const std::bad_any_cast &e) {
-      return std::optional<T>{};
-    }
-  }
+  std::vector<std::string> &get_aspect_data() { return aspect_data_; }
 
   std::unordered_map<std::string_view, std::string_view> get_cookies(
       std::string_view cookie_str) const {
@@ -268,7 +256,7 @@ class coro_http_request {
   std::string_view body_;
   coro_http_connection *conn_;
   bool is_websocket_;
-  std::unordered_map<std::string, std::any> aspect_data_;
+  std::vector<std::string> aspect_data_;
   std::string cached_session_id_;
 };
 }  // namespace cinatra

lang/english/README.md

@@ -235,7 +235,7 @@ int main() {
 	//将信息从中间件传输到处理程序
 	struct get_data  : public base_aspect {
 		bool before(coro_http_request& req, coro_http_response& res) {
-			req.set_aspect_data("hello", std::string("hello world"));
+			req.set_aspect_data("hello world");
 			return true;
 		}
 	}
@@ -247,7 +247,8 @@ int main() {
 		}, std::vector{std::make_shared<check>(), std::make_shared<log_t>()});
 
 		server.set_http_handler<GET,POST>("/aspect/data", [](coro_http_request& req, coro_http_response& res) {
-			std::string hello = req.get_aspect_data<std::string>("hello");
+      auto &val = req.get_aspect_data();
+			std::string& hello = val[0];
 			res.set_status_and_content(status_type::ok, std::move(hello));
 		}, std::vector{std::make_shared<get_data>()});