App.jsx
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import React, { useState, useEffect } from 'react';
import UserList from './components/UserList.jsx';
import UserForm from './components/UserForm.jsx';
import Header from './components/Header.jsx';
import HealthStatus from './components/HealthStatus.jsx';
import ApiService from './services/api.js';
function App() {
const [users, setUsers] = useState([]);
const [loading, setLoading] = useState(true);
const [error, setError] = useState('');
const [activeTab, setActiveTab] = useState('users');
useEffect(() => {
loadUsers();
}, []);
const loadUsers = async () => {
try {
setLoading(true);
setError('');
const data = await ApiService.getUsers();
setUsers(data);
} catch (err) {
setError('获取用户列表失败，请检查后端服务是否正常运行');
console.error('加载用户错误:', err);
} finally {
setLoading(false);
}
};
const handleUserCreated = () => {
loadUsers();
};
return (
<div className="app">
<Header />
<div className="container">
<nav className="tabs">
<button
className={activeTab === 'users' ? 'active' : ''}
onClick={() => setActiveTab('users')}
>
用户管理
</button>
<button
className={activeTab === 'health' ? 'active' : ''}
onClick={() => setActiveTab('health')}
>
系统状态
</button>
</nav>
{activeTab === 'users' && (
<div className="tab-content">
<UserForm onUserCreated={handleUserCreated} />
<UserList
users={users}
loading={loading}
error={error}
onUsersUpdated={loadUsers}
/>
</div>
)}
{activeTab === 'health' && (
<div className="tab-content">
<HealthStatus />
</div>
)}
</div>
</div>
);
}
export default App;