feat: 小程序移除管理后台入口，新增admin-web前端项目

将管理后台功能从微信小程序中剥离，独立为Vue.js前端项目admin-web

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

admin-web/src/utils/request.js

@@ -0,0 +1,131 @@
+import axios from 'axios'
+import { getToken, clearAuth } from '@/utils/auth'
+import { toast } from '@/utils/feedback'
+
+const BASE_URL = '/api'
+
+const instance = axios.create({
+  baseURL: BASE_URL,
+  timeout: 30000
+})
+
+instance.interceptors.request.use(
+  (config) => {
+    const token = getToken()
+    if (token) {
+      config.headers = config.headers || {}
+      config.headers.Authorization = `Bearer ${token}`
+    }
+    return config
+  },
+  (err) => Promise.reject(err)
+)
+
+function handleUnauthorized() {
+  clearAuth()
+  toast('登录已过期，请重新登录', 'error')
+  setTimeout(() => {
+    if (location.hash !== '#/login') {
+      location.hash = '#/login'
+    }
+  }, 400)
+}
+
+instance.interceptors.response.use(
+  (response) => response,
+  (err) => {
+    if (err && err.response && err.response.status === 401) {
+      handleUnauthorized()
+    }
+    return Promise.reject(err)
+  }
+)
+
+export function request({ url, method = 'GET', data, params, headers, responseType } = {}) {
+  return new Promise((resolve, reject) => {
+    instance({
+      url,
+      method,
+      data,
+      params,
+      headers,
+      responseType
+    })
+      .then((res) => {
+        if (responseType === 'blob' || responseType === 'arraybuffer') {
+          resolve(res)
+          return
+        }
+
+        const body = res.data || {}
+        if (body.code === 0) {
+          resolve(body.data)
+          return
+        }
+
+        const message = body.message || '请求失败'
+        toast(message, 'error')
+        reject(new Error(message))
+      })
+      .catch((err) => {
+        if (err && err.response && err.response.status === 401) {
+          reject(err)
+          return
+        }
+        const msg = (err && err.message) || '网络异常'
+        if (!/Unauthorized/.test(msg)) {
+          toast(msg, 'error')
+        }
+        reject(err)
+      })
+  })
+}
+
+export function uploadFile(file) {
+  const formData = new FormData()
+  formData.append('file', file)
+  return new Promise((resolve, reject) => {
+    instance({
+      url: '/upload/image',
+      method: 'POST',
+      data: formData,
+      headers: { 'Content-Type': 'multipart/form-data' }
+    })
+      .then((res) => {
+        const body = res.data || {}
+        if (body.code === 0) {
+          resolve(body.data)
+          return
+        }
+        const message = body.message || '上传失败'
+        toast(message, 'error')
+        reject(new Error(message))
+      })
+      .catch((err) => {
+        const msg = (err && err.message) || '上传失败'
+        toast(msg, 'error')
+        reject(err)
+      })
+  })
+}
+
+export function downloadBlob({ url, method = 'POST', data, filename }) {
+  return request({ url, method, data, responseType: 'blob' }).then((res) => {
+    const blob = new Blob([res.data])
+    const link = document.createElement('a')
+    link.href = URL.createObjectURL(blob)
+    link.download = filename || 'download'
+    document.body.appendChild(link)
+    link.click()
+    setTimeout(() => {
+      URL.revokeObjectURL(link.href)
+      document.body.removeChild(link)
+    }, 0)
+  })
+}
+
+export function getServerBase() {
+  return ''
+}
+
+export default instance