refactor: replace uni.showToast calls with shared toast

consolidates repeated toast display logic into a centralized utility, reducing code duplication and standardizing toast behavior across the codebase

src/components/Qrcode/index.vue

@@ -1,25 +1,12 @@
 <template xlang="wxml" minapp="mpvue">
   <div class="tki-qrcode">
     <!-- #ifndef MP-ALIPAY -->
-    <canvas
-      class="tki-qrcode-canvas"
-      :canvas-id="cid"
-      :style="{ width: cpSize + 'px', height: cpSize + 'px' }"
-    />
+    <canvas class="tki-qrcode-canvas" :canvas-id="cid" :style="{ width: cpSize + 'px', height: cpSize + 'px' }" />
     <!-- #endif -->
     <!-- #ifdef MP-ALIPAY -->
-    <canvas
-      :id="cid"
-      :width="cpSize"
-      :height="cpSize"
-      class="tki-qrcode-canvas"
-    />
+    <canvas :id="cid" :width="cpSize" :height="cpSize" class="tki-qrcode-canvas" />
     <!-- #endif -->
-    <img
-      v-show="show"
-      :src="result"
-      :style="{ width: cpSize + 'px', height: cpSize + 'px' }"
-    />
+    <img v-show="show" :src="result" :style="{ width: cpSize + 'px', height: cpSize + 'px' }" />
   </div>
 </template>
 
@@ -176,11 +163,7 @@ const _makeCode = () => {
     }
   } else {
     console.log("二维码内容为空");
-    uni.showToast({
-      title: "二维码内容不能为空",
-      icon: "none",
-      duration: 2000,
-    });
+    showToast("二维码内容不能为空");
   }
 };
 
@@ -196,11 +179,7 @@ const _saveCode = () => {
     uni.saveImageToPhotosAlbum({
       filePath: result.value,
       success: function () {
-        uni.showToast({
-          title: "二维码保存成功",
-          icon: "success",
-          duration: 2000,
-        });
+        showToast("二维码保存成功");
       },
     });
   }