save code

frontend/src/services/api.js

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+import axios from 'axios';
+
+const api = axios.create({
+  baseURL: import.meta.env.VITE_API_BASE_URL || 'http://localhost:5000/api/v1',
+  timeout: 10000,
+  headers: {
+    'Content-Type': 'application/json',
+  },
+});
+
+api.interceptors.request.use(
+  (config) => {
+    const token = localStorage.getItem('token');
+    if (token) {
+      config.headers.Authorization = `Bearer ${token}`;
+    }
+    return config;
+  },
+  (error) => {
+    return Promise.reject(error);
+  }
+);
+
+api.interceptors.response.use(
+  (response) => {
+    return response.data;
+  },
+  (error) => {
+    if (error.response) {
+      const { status, data } = error.response;
+      switch (status) {
+        case 400:
+          console.error('参数错误:', data?.message);
+          break;
+        case 401:
+          localStorage.removeItem('token');
+          localStorage.removeItem('user');
+          window.location.href = '/login';
+          break;
+        case 403:
+          console.error('权限不足:', data?.message);
+          break;
+        case 404:
+          console.error('资源不存在:', data?.message);
+          break;
+        case 500:
+          console.error('服务器错误:', data?.message);
+          break;
+        default:
+          console.error('请求失败:', data?.message);
+      }
+    } else if (error.request) {
+      console.error('网络错误');
+    } else {
+      console.error('请求失败:', error.message);
+    }
+    return Promise.reject(error);
+  }
+);
+
+export default api;

frontend/src/services/auth.js

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+export const authAPI = {
+  login: async (username, password) => {
+    const response = await fetch(`${import.meta.env.VITE_API_BASE_URL}/auth/login`, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+      },
+      body: JSON.stringify({ username, password }),
+    });
+    return response.json();
+  },
+
+  getCurrentUser: async () => {
+    const token = localStorage.getItem('token');
+    const response = await fetch(`${import.meta.env.VITE_API_BASE_URL}/auth/me`, {
+      headers: {
+        'Authorization': `Bearer ${token}`,
+      },
+    });
+    return response.json();
+  },
+
+  logout: async () => {
+    const token = localStorage.getItem('token');
+    const response = await fetch(`${import.meta.env.VITE_API_BASE_URL}/auth/logout`, {
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json',
+        'Authorization': `Bearer ${token}`,
+      },
+    });
+    return response.json();
+  },
+};

frontend/src/services/project.js

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+import api from './api';
+
+export const projectAPI = {
+  getList: (params) => api.get('/projects', { params }),
+
+  getDetail: (id) => api.get(`/projects/${id}`),
+
+  create: (data) => api.post('/projects', data),
+
+  update: (id, data) => api.put(`/projects/${id}`, data),
+
+  delete: (id) => api.delete(`/projects/${id}`),
+
+  getStatistics: (params) => api.get('/projects/statistics', { params }),
+
+  getGroupStatistics: (params) => api.get('/projects/statistics/group', { params }),
+
+  getTimelineStatistics: (params) => api.get('/projects/statistics/timeline', { params }),
+
+  export: (params) => api.get('/projects/export', { params, responseType: 'blob' }),
+};

frontend/src/services/user.js

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+import api from './api';
+
+export const userAPI = {
+  getList: (params) => api.get('/users', { params }),
+
+  getDetail: (id) => api.get(`/users/${id}`),
+
+  create: (data) => api.post('/users', data),
+
+  update: (id, data) => api.put(`/users/${id}`, data),
+
+  delete: (id) => api.delete(`/users/${id}`),
+
+  resetPassword: (id, newPassword) => api.post(`/users/${id}/reset-password`, { new_password: newPassword }),
+};