域名注册以后如何建站,江苏连云港网站建设公司,网站布局设计分析特点,做网站和做系统哪个难什么是CPPCMS#xff1f;
CppCMS 是一个高性能的 C Web 开发框架#xff0c;专为构建快速、动态的网页应用而设计#xff0c;特别适合高并发和低延迟的场景。其设计理念类似于 Python 的 Django 或 Ruby on Rails#xff0c;但针对 C 提供了更细粒度的控制和更高效的性能。…什么是CPPCMS
CppCMS 是一个高性能的 C Web 开发框架专为构建快速、动态的网页应用而设计特别适合高并发和低延迟的场景。其设计理念类似于 Python 的 Django 或 Ruby on Rails但针对 C 提供了更细粒度的控制和更高效的性能。
主要特点和优点
1. 高性能与并发处理
CppCMS 是为高性能需求而设计的。它支持大规模并发处理能够在高负载下高效运行特别适用于需要处理大量请求的场景。由于使用 C 编写CppCMS 可以利用操作系统的原生线程和异步 I/O 操作提供极低的延迟和高吞吐量。
2. 灵活的架构
框架的设计允许开发者完全控制应用程序的各个方面包括 URL 路由、会话管理、缓存机制、和表单处理。你可以根据具体需求自定义应用程序的各个模块从而适应各种特殊的应用场景。
3. 集成与兼容性
CppCMS 能轻松与其他 C 库和系统组件集成充分利用现有的 C 生态系统。它支持 SQLite、MySQL、PostgreSQL 等多种数据库并提供了与 C 标准库的无缝集成。
4. 模板系统
CppCMS 提供了一个高效的模板系统支持静态和动态内容的渲染。开发者可以在模板中定义页面布局和内容通过与后端代码的结合实现动态网页的生成。
5. 国际化和本地化
框架内置了对国际化i18n和本地化l10n的支持适合开发多语言应用。开发者可以轻松管理和应用不同语言的文本和格式设置。
适用场景
高流量网站如社交媒体平台、新闻门户网站等需要处理大量用户请求。实时数据处理如在线游戏服务器、实时消息传递系统要求极低的响应时间。复杂后台服务如需要提供高性能 RESTful API 或者后台服务的系统。
简单入门案例
1. 项目结构 2. CMakeLists.txt
cmake_minimum_required(VERSION 3.10)
project(c_web)set(CMAKE_CXX_STANDARD 17)# 指定源文件
set(SOURCE_FILES src/main.cpp src/blog.cpp)# 手动设置 CppCMS 和 Booster 的头文件路径
include_directories(/usr/local/include)# 手动设置库文件路径
link_directories(/usr/local/lib)# 添加可执行文件
add_executable(c_web ${SOURCE_FILES})# 查找数据库
include_directories(/usr/include/cppconn /usr/include/mysql)
link_directories(/usr/lib/x86_64-linux-gnu)# 链接 CppCMS 和 Booster 库 MySQL
target_link_libraries(c_web cppcms booster mysqlcppconn)说明自行安装所需要的依赖库和定位库的位置以下是获取手动安装的cppcms其他通过apt安装的自行查找库依赖和位置。
获取编译器标志
pkg-config --cflags cppcms获取链接器标志
pkg-config --libs cppcms3. config.json
{service: {api: http,port: 8080,ip: 0.0.0.0},http: {script: ,static: /static}
}4. main.cpp
#include cppcms/service.h
#include cppcms/applications_pool.h
#include cppcms/http_response.h
#include cppcms/url_dispatcher.h
#include blog.h
#include cppcms/json.hint main(int argc, char* argv[]) {try {cppcms::service app(argc, argv);// 创建博客应用的实例并将其添加到应用程序池中app.applications_pool().mount(cppcms::applications_factoryblog());// 运行服务app.run();}catch (std::exception const e) {std::cerr Error: e.what() std::endl;}
}5. blog.h
#ifndef BLOG_H
#define BLOG_H
#include cppcms/application.h
#include cppcms/http_response.h
#include cppcms/http_request.h
#include cppcms/url_dispatcher.h
#include cppcms/url_mapper.h
#include mysql_driver.h
#include mysql_connection.h
#include cppconn/statement.h
#include cppconn/prepared_statement.h
class blog : public cppcms::application {
public:blog(cppcms::service srv);void index();void show_register();void handle_register();void show_login();void handle_login();std::unique_ptrsql::Connection connectToDatabase();void createDatabase(sql::Connection* con, const std::string dbName);void createTable(sql::Connection* con);
private:void serve_html(const std::string path);
};
#endif6. blog.cpp
#include blog.h
#include fstreamblog::blog(cppcms::service srv) : cppcms::application(srv) {dispatcher().map(GET, /, blog::index, this);dispatcher().map(GET, /register, blog::show_register, this);dispatcher().map(POST, /register, blog::handle_register, this);dispatcher().map(GET, /login, blog::show_login, this);dispatcher().map(POST, /login, blog::handle_login, this);
}std::unique_ptrsql::Connection blog::connectToDatabase() {sql::mysql::MySQL_Driver* driver sql::mysql::get_mysql_driver_instance();std::unique_ptrsql::Connection con(driver-connect(tcp://127.0.0.1:3306, root, 123456));con-setSchema(blog);return con;
}void blog::index() {serve_html(./views/index.html);
}void blog::show_register() {serve_html(./views/register.html);
}void blog::createDatabase(sql::Connection* con, const std::string dbName) {std::unique_ptrsql::Statement stmt(con-createStatement());stmt-execute(CREATE DATABASE IF NOT EXISTS dbName);stmt-execute(USE dbName);
}void blog::createTable(sql::Connection* con) {std::unique_ptrsql::Statement stmt(con-createStatement());stmt-execute(CREATE TABLE IF NOT EXISTS users (id INT AUTO_INCREMENT PRIMARY KEY,username VARCHAR(255) NOT NULL,password VARCHAR(255) NOT NULL,email VARCHAR(255) NOT NULL));
}void blog::handle_register() {std::string username request().post(username);std::string password request().post(password);std::string email request().post(email);try {auto con connectToDatabase();createDatabase(con.get(), blog);createTable(con.get());std::unique_ptrsql::PreparedStatement pstmt(con-prepareStatement(INSERT INTO users(username, password, email) VALUES (?, ?, ?)));pstmt-setString(1, username);pstmt-setString(2, password);pstmt-setString(3, email);pstmt-executeUpdate();response().out() pUser registered successfully: username /p pRegistered password: password /p pRegistered email: email /p;} catch (sql::SQLException e) {response().out() pError registering user: e.what() /p;}
}void blog::show_login() {serve_html(./views/login.html);
}void blog::handle_login() {std::string username request().post(username);std::string password request().post(password);try {auto con connectToDatabase();std::unique_ptrsql::PreparedStatement pstmt(con-prepareStatement(SELECT password FROM users WHERE username ?));pstmt-setString(1, username);std::unique_ptrsql::ResultSet res(pstmt-executeQuery());if (res-next()) {std::string stored_password res-getString(password);if (stored_password password) {response().out() pLogged in successfully as: username /p;} else {response().out() pInvalid password./p;}} else {response().out() pUser not found./p;}} catch (sql::SQLException e) {response().out() pError: e.what() /p;}
}void blog::serve_html(const std::string path) {std::ifstream file(path);if (file.is_open()) {std::string content((std::istreambuf_iteratorchar(file)), std::istreambuf_iteratorchar());response().out() content;} else {response().status(404);response().out() Page not found;}
}7. login.html
!DOCTYPE html
html langen
headmeta charsetUTF-8meta nameviewport contentwidthdevice-width, initial-scale1.0titleLogin/title!-- 引入 FontAwesome 图标库 --link relstylesheet hrefhttps://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0-beta3/css/all.min.cssstyle/* 全局样式 */body {font-family: Helvetica Neue, Arial, sans-serif;background-color: #fdfdfd;color: #333;margin: 0;padding: 0;display: flex;justify-content: center;align-items: center;height: 100vh;background-image: url(https://source.unsplash.com/1600x900/?nature,water);background-size: cover;background-position: center;}/* 表单容器 */.form-container {background-color: rgba(255, 255, 255, 0.9);padding: 30px 40px;border-radius: 10px;box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);max-width: 400px;width: 100%;box-sizing: border-box;backdrop-filter: blur(10px);}/* 标题 */.form-container h1 {text-align: center;margin-bottom: 20px;font-size: 26px;color: #555;font-weight: 300;}/* 表单项 */.form-group {position: relative;margin-bottom: 20px; /* 调整了间距减小输入框间的距离 */}.form-group input {width: 100%;padding: 12px 40px 12px 40px; /* 调整了内边距确保图标和标签都能正确显示 */border: 1px solid #ddd;border-radius: 5px;box-sizing: border-box;font-size: 16px;background-color: #fdfdfd;transition: border-color 0.3s ease;}.form-group input:focus {border-color: #888;outline: none;}.form-group label {position: absolute;left: 40px;top: 50%;transform: translateY(-50%);color: #aaa;font-size: 16px;transition: all 0.3s ease;pointer-events: none;}.form-group input:focus label,.form-group input:not(:placeholder-shown) label {top: -10px;left: 40px;font-size: 12px;color: #555;background-color: white;padding: 0 5px;}.form-group .fa {position: absolute;left: 15px; /* 图标距离输入框左侧的距离 */top: 50%;transform: translateY(-50%);color: #888;font-size: 18px; /* 调整了图标大小 */}/* 提交按钮 */.form-group button {width: 100%;padding: 12px 15px;background-color: #333;border: none;border-radius: 5px;color: white;font-size: 16px;cursor: pointer;transition: background-color 0.3s ease;font-weight: 500;}.form-group button:hover {background-color: #555;}/* 响应式设计 */media (max-width: 480px) {.form-container {padding: 20px 30px;}.form-container h1 {font-size: 22px;}.form-group input {padding: 10px 30px 10px 30px; /* 在小屏幕上调整内边距确保输入框不拥挤 */}.form-group .fa {left: 10px; /* 在小屏幕上调整图标位置 */}.form-group label {left: 35px; /* 在小屏幕上调整标签位置 */}}/style
/head
bodydiv classform-containerh1Login/h1form methodpost action/logindiv classform-groupi classfa fa-user/iinput typetext idusername nameusername placeholder requiredlabel forusernameUsername/label/divdiv classform-groupi classfa fa-lock/iinput typepassword idpassword namepassword placeholder requiredlabel forpasswordPassword/label/divdiv classform-groupbutton typesubmitLogin/button/div/formdiv classtoggle-linka href/registerDont have an account? Register/a/div/div
/body
/html8. register.html
!DOCTYPE html
html langen
headmeta charsetUTF-8meta nameviewport contentwidthdevice-width, initial-scale1.0titleRegister/title!-- 引入 FontAwesome 图标库 --link relstylesheet hrefhttps://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0-beta3/css/all.min.cssstyle/* 全局样式 */body {font-family: Helvetica Neue, Arial, sans-serif;background-color: #fdfdfd;color: #333;margin: 0;padding: 0;display: flex;justify-content: center;align-items: center;height: 100vh;background-image: url(https://source.unsplash.com/1600x900/?nature,water);background-size: cover;}/* 表单容器 */.form-container {background-color: rgba(255, 255, 255, 0.9);padding: 20px 40px;border-radius: 10px;box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);max-width: 400px;width: 100%;box-sizing: border-box;backdrop-filter: blur(10px);}/* 标题 */.form-container h1 {text-align: center;margin-bottom: 20px;font-size: 26px;color: #555;font-weight: 300;}/* 表单项 */.form-group {position: relative;margin-bottom: 25px;}.form-group input {width: 100%;padding: 12px 15px 12px 40px;border: 1px solid #ddd;border-radius: 5px;box-sizing: border-box;font-size: 16px;background-color: #fdfdfd;transition: border-color 0.3s ease;}.form-group input:focus {border-color: #888;outline: none;}.form-group label {position: absolute;left: 40px;top: 50%;transform: translateY(-50%);color: #aaa;font-size: 16px;transition: all 0.3s ease;pointer-events: none;}.form-group input:focus label,.form-group input:not(:placeholder-shown) label {top: -10px;left: 40px;font-size: 12px;color: #555;background-color: white;padding: 0 5px;}.form-group .fa {position: absolute;left: 10px;top: 50%;transform: translateY(-50%);color: #888;}/* 提交按钮 */.form-group button {width: 100%;padding: 12px 15px;background-color: #333;border: none;border-radius: 5px;color: white;font-size: 16px;cursor: pointer;transition: background-color 0.3s ease;font-weight: 500;}.form-group button:hover {background-color: #555;}/* 响应式设计 */media (max-width: 480px) {.form-container {padding: 15px 20px;}.form-container h1 {font-size: 22px;}}/style
/head
bodydiv classform-containerh1Register/h1form methodpost action/registerdiv classform-groupi classfa fa-user/iinput typetext idusername nameusername placeholder requiredlabel forusernameUsername/label/divdiv classform-groupi classfa fa-envelope/iinput typeemail idemail nameemail placeholder requiredlabel foremailEmail/label/divdiv classform-groupi classfa fa-lock/iinput typepassword idpassword namepassword placeholder requiredlabel forpasswordPassword/label/divdiv classform-groupbutton typesubmitRegister/button/div/formdiv classtoggle-linka href/loginAlready have an account? Login/a/div/div
/body
/html9. 验证测试
9.1 启动命令
cmake ./
make
./c_web -c ./config.json说明光标闪烁即启动成功了。
9.2 注册测试 9.3 注册结果 9.4 登录测试 9.5 登录结果 10. 总结
基于·Ubutun系统通过 CppCMS MySQL 实现简单的数据库连接和测试工作即注册和登录操作完成快速入门。
