在本教程中,我們將使用 Lithe 建立一個工作的 TodoList 應用程式。您將學習如何建立專案、建立互動式視圖以及實作 RESTful API 來管理您的任務。該專案將作為如何使用 PHP 建立現代 Web 應用程式的絕佳範例。
首先,讓我們建立一個新的 Lithe 專案:
composer create-project lithephp/lithephp todo-app cd todo-app
使用以下設定編輯專案根目錄中的 .env 檔案:
DB_CONNECTION_METHOD=mysqli DB_CONNECTION=mysql DB_HOST=localhost DB_NAME=lithe_todos DB_USERNAME=root DB_PASSWORD= DB_SHOULD_INITIATE=true
運行指令來建立新的遷移:
php line make:migration CreateTodosTable
在 src/database/migrations/ 中編輯產生的遷移檔案:
return new class { public function up(mysqli $db): void { $query = " CREATE TABLE IF NOT EXISTS todos ( id INT(11) AUTO_INCREMENT PRIMARY KEY, title VARCHAR(255) NOT NULL, completed BOOLEAN DEFAULT FALSE, created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP, updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP ) "; $db->query($query); } public function down(mysqli $db): void { $query = "DROP TABLE IF EXISTS todos"; $db->query($query); } };
運行遷移:
php line migrate
產生一個新模型:
php line make:model Todo
編輯檔案 src/models/Todo.php:
namespace App\Models; use Lithe\Database\Manager as DB; class Todo { public static function all(): array { return DB::connection() ->query("SELECT * FROM todos ORDER BY created_at DESC") ->fetch_all(MYSQLI_ASSOC); } public static function create(array $data): ?array { $stmt = DB::connection()->prepare( "INSERT INTO todos (title, completed) VALUES (?, ?)" ); $completed = false; $stmt->bind_param('si', $data['title'], $completed); $success = $stmt->execute(); if ($success) { $id = $stmt->insert_id; return [ 'id' => $id, 'title' => $data['title'], 'completed' => $completed ]; } return null; } public static function update(int $id, array $data): bool { $stmt = DB::connection()->prepare( "UPDATE todos SET completed = ? WHERE id = ?" ); $stmt->bind_param('ii', $data['completed'], $id); return $stmt->execute(); } public static function delete(int $id): bool { $stmt = DB::connection()->prepare("DELETE FROM todos WHERE id = ?"); $stmt->bind_param('i', $id); return $stmt->execute(); } }
產生一個新的控制器:
php line make:controller TodoController
編輯檔案 src/http/controllers/TodoController.php:
namespace App\Http\Controllers; use App\Models\Todo; use Lithe\Http\Request; use Lithe\Http\Response; class TodoController { public static function index(Request $req, Response $res) { return $res->view('todo.index'); } public static function list(Request $req, Response $res) { $todos = Todo::all(); return $res->json($todos); } public static function store(Request $req, Response $res) { $data = (array) $req->body(); $todo = Todo::create($data); $success = $todo ? true : false; return $res->json([ 'success' => $success, 'message' => $success ? 'Tarefa criada com sucesso' : 'Falha ao criar tarefa', 'todo' => $todo ]); } public static function update(Request $req, Response $res) { $id = $req->param('id'); $data = (array) $req->body(); $success = Todo::update($id, $data); return $res->json([ 'success' => $success, 'message' => $success ? 'Tarefa atualizada com sucesso' : 'Falha ao atualizar tarefa' ]); } public static function delete(Request $req, Response $res) { $id = $req->param('id'); $success = Todo::delete($id); return $res->json([ 'success' => $success, 'message' => $success ? 'Tarefa removida com sucesso' : 'Falha ao remover tarefa' ]); } }
建立src/views/todo目錄並加入index.php檔:
<!DOCTYPE html> <html> <head> <title>TodoList com Lithe</title> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <style> * { margin: 0; padding: 0; box-sizing: border-box; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; } body { min-height: 100vh; background-color: #ffffff; padding: 20px; } .container { max-width: 680px; margin: 0 auto; padding: 40px 20px; } h1 { color: #1d1d1f; font-size: 34px; font-weight: 700; margin-bottom: 30px; } .todo-form { display: flex; gap: 12px; margin-bottom: 30px; border-bottom: 1px solid #e5e5e7; padding-bottom: 30px; } .todo-input { flex: 1; padding: 12px 16px; font-size: 17px; border: 1px solid #e5e5e7; border-radius: 10px; background-color: #f5f5f7; transition: all 0.2s; } .todo-input:focus { outline: none; background-color: #ffffff; border-color: #0071e3; } .add-button { padding: 12px 20px; background: #0071e3; color: white; border: none; border-radius: 10px; font-size: 15px; font-weight: 500; cursor: pointer; transition: all 0.2s; } .add-button:hover { background: #0077ED; } .todo-list { list-style: none; } .todo-item { display: flex; align-items: center; padding: 16px; border-radius: 10px; margin-bottom: 8px; transition: background-color 0.2s; } .todo-item:hover { background-color: #f5f5f7; } .todo-checkbox { width: 22px; height: 22px; margin-right: 15px; cursor: pointer; } .todo-text { flex: 1; font-size: 17px; color: #1d1d1f; } .completed { color: #86868b; text-decoration: line-through; } .delete-button { padding: 8px 12px; background: none; color: #86868b; border: none; border-radius: 6px; font-size: 15px; cursor: pointer; opacity: 0; transition: all 0.2s; } .todo-item:hover .delete-button { opacity: 1; } .delete-button:hover { background: #f5f5f7; color: #ff3b30; } .loading { text-align: center; padding: 20px; color: #86868b; } .error { color: #ff3b30; text-align: center; padding: 20px; } </style> </head> <body> <div> <h2> Configurando as Rotas </h2> <p>Atualize o arquivo src/App.php para incluir as rotas da TodoList:<br> </p> <pre class="brush:php;toolbar:false">use App\Http\Controllers\TodoController; $app = new \Lithe\App; // Rota para a página principal $app->get('/', [TodoController::class, 'index']); // Rotas da API $app->get('/todos/list', [TodoController::class, 'list']); $app->post('/todos', [TodoController::class, 'store']); $app->put('/todos/:id', [TodoController::class, 'update']); $app->delete('/todos/:id', [TodoController::class, 'delete']); $app->listen();
要啟動開發伺服器,請執行:
php line serve
在瀏覽器中造訪 http://localhost:8000 查看正在執行中的應用程式。
我們的 TodoList 具有以下功能:
您現在擁有一個使用 Lithe 建立的功能齊全的 TodoList 應用程式。此範例示範如何使用 PHP 建立現代 Web 應用程序,包括:
從這裡,您可以透過添加新功能來擴展應用程序,例如:
要繼續了解 Lithe,請前往 Linktree,您可以在其中存取 Discord、文件等!
以上是使用 PHP 和 Lithe 框架建立 TodoList:完整指南的詳細內容。更多資訊請關注PHP中文網其他相關文章!