Fix：2712 【地标好物】地标好物分享图片下方增加一个保存图片按钮，点击后直接保存图片，替换掉长按保存图片功能

pages/home/components/shareImg.vue

@@ -14,10 +14,10 @@
         :src="posterImage"
         alt="tp"
         class="poster-image"
-        show-menu-by-longpress
+        :show-menu-by-longpress="false"
         mode="widthFix"
       />
-      <view class="keep">长按图片可以保存到手机</view>
+      <view class="v12-primary v12-white-text v12-radius-100 share-btn" @click="saveImg(posterImage)">保存图片</view>
     </view>
     <view class="mask"></view>
   </view>
@@ -28,15 +28,45 @@ import { getShareImg } from "@/api/product";
 
 export default {
   name: "StorePoster",
-  data: function() {
+  data: function () {
     return {
       canvasStatus: false,
       posterImage: "",
-      posterImageStatus: false
+      posterImageStatus: false,
     };
   },
-  mounted: function() {},
+  mounted: function () {},
   methods: {
+    saveImg(url) {
+      uni.showLoading({
+        mask:true,
+      })
+      uni.downloadFile({
+        url: url, // 文件的下载地址
+        success(res) {
+          if (res.statusCode === 200) {
+            let tempFilePath = res.tempFilePath; // 临时文件路径
+            uni.saveImageToPhotosAlbum({
+              filePath: tempFilePath,
+              success:(success)=> {
+                uni.showToast({
+                  title: "保存成功",
+                  icon: "none",
+                  mask: true,
+                });
+              },
+              fail(err) {
+                uni.showToast({
+                  title: "保存失败，请重新尝试",
+                  icon: "none",
+                  mask: true,
+                });
+              },
+            })
+          }
+        },
+      });
+    },
     posterImageClose() {
       this.posterImageStatus = false;
       this.canvasStatus = false;
@@ -44,9 +74,9 @@ export default {
     },
     savePosterPath(id) {
       uni.showLoading({ title: "海报生成中", mask: true });
-      
+
       getShareImg(id)
-        .then(res => {
+        .then((res) => {
           this.canvasStatus = true;
           this.posterImage = res.data;
           this.posterImageStatus = true;
@@ -54,12 +84,17 @@ export default {
         .finally(() => {
           uni.hideLoading();
         });
-    }
-  }
+    },
+  },
 };
 </script>
 
 <style scoped lang="less" lang="less">
+.share-btn{
+  text-align: center;
+  padding: 10rpx 0;
+  font-size: 24rpx;
+}
 .poster-first {
   overscroll-behavior: contain;
 }