feat: 切换城市

src/utils/index.ts

@@ -9,3 +9,4 @@ export * from './orderActions';
 export * from './routeUtil';
 export * from './share'
 export * from './genPoster'
+export * from './wx_helper'

src/utils/wx_helper.ts

@@ -0,0 +1,35 @@
+import Taro from "@tarojs/taro";
+
+export function saveImage(url) {
+  Taro.getSetting().then(async (res) => {
+    if (!res.authSetting["scope.writePhotosAlbum"]) {
+      Taro.authorize({
+        scope: "scope.writePhotosAlbum",
+        success: async () => {
+          try {
+            Taro.saveImageToPhotosAlbum({ filePath: url });
+            Taro.showToast({ title: "保存成功" });
+          } catch (e) {
+            Taro.showToast({ title: "图片保存失败", icon: "none" });
+          }
+        },
+        fail: () => {
+          Taro.showModal({
+            title: "提示",
+            content: "需要开启相册权限才能保存图片",
+            success: (r) => {
+              if (r.confirm) Taro.openSetting();
+            },
+          });
+        },
+      });
+    } else {
+      try {
+        Taro.saveImageToPhotosAlbum({ filePath: url });
+        Taro.showToast({ title: "保存成功" });
+      } catch (e) {
+        Taro.showToast({ title: "图片保存失败", icon: "none" });
+      }
+    }
+  });
+}