后端：公告√

注意数据库新建notice表

frontend/common/http.js

@@ -0,0 +1,26 @@
+import { API_BASE_URL, SHOP_ID } from './config.js'
+
+function buildUrl(path) {
+  if (!path) return API_BASE_URL
+  if (path.startsWith('http')) return path
+  return API_BASE_URL + (path.startsWith('/') ? path : '/' + path)
+}
+
+export function get(path, params = {}) {
+  return new Promise((resolve, reject) => {
+    uni.request({
+      url: buildUrl(path),
+      method: 'GET',
+      data: params,
+      header: { 'X-Shop-Id': SHOP_ID },
+      success: (res) => {
+        const { statusCode, data } = res
+        if (statusCode >= 200 && statusCode < 300) return resolve(data)
+        reject(new Error('HTTP ' + statusCode))
+      },
+      fail: (err) => reject(err)
+    })
+  })
+}
+
+