登录页面

2026-07-12 15:17:54 +08:00
parent becf91da52
commit bfac6c6663
63 changed files with 4662 additions and 431 deletions
@@ -0,0 +1,60 @@
+import Taro from '@tarojs/taro';
+
+const TAB_PAGES = new Set([
+  '/pages/home/index',
+  '/pages/stores/index',
+  '/pages/benefit/index',
+  '/pages/mine/index',
+]);
+
+function currentPagePath(): string {
+  const pages = Taro.getCurrentPages();
+  const cur = pages[pages.length - 1] as
+    | { route?: string; options?: Record<string, string | undefined> }
+    | undefined;
+  if (!cur?.route) return '';
+  const path = cur.route.startsWith('/') ? cur.route : `/${cur.route}`;
+  if (path.includes('/pages/login/')) return '';
+  const opts = cur.options ?? {};
+  const qs = Object.entries(opts)
+    .filter(([, v]) => v != null && v !== '')
+    .map(([k, v]) => `${encodeURIComponent(k)}=${encodeURIComponent(String(v))}`)
+    .join('&');
+  return qs ? `${path}?${qs}` : path;
+}
+
+/** 跳转登录页；默认带回当前页作为 return */
+export function goLogin(returnPath?: string) {
+  const returnTo = returnPath ?? currentPagePath();
+  const url = returnTo
+    ? `/pages/login/index?return=${encodeURIComponent(returnTo)}`
+    : '/pages/login/index';
+  Taro.navigateTo({ url }).catch(() => {
+    Taro.redirectTo({ url });
+  });
+}
+
+/** 登录成功后回到 return 页，或回退 / 首页 */
+export function finishLoginNavigate(returnTo?: string) {
+  const raw = (returnTo || '').trim();
+  const target = raw ? decodeURIComponent(raw) : '';
+  const pathOnly = target.split('?')[0];
+
+  if (pathOnly && TAB_PAGES.has(pathOnly)) {
+    Taro.switchTab({ url: pathOnly });
+    return;
+  }
+  if (pathOnly && pathOnly.startsWith('/pages/')) {
+    Taro.redirectTo({ url: target }).catch(() => {
+      Taro.reLaunch({ url: pathOnly });
+    });
+    return;
+  }
+
+  const pages = Taro.getCurrentPages();
+  if (pages.length > 1) {
+    Taro.navigateBack();
+    return;
+  }
+  Taro.switchTab({ url: '/pages/home/index' });
+}