flat: 优化，还是使用原生Tabbar,empty优化

components/empty/empty.vue

@@ -1,5 +1,9 @@
 <template>
-    <view class="empty" :style="{ background: bgcolor, marginTop: mrTop + 'rpx' }">
+    <view
+        class="empty"
+        :class="{ 'position-center': isPosition }"
+        :style="{ background: bgcolor, marginTop: mrTop + 'rpx' }"
+    >
         <view class="ty_content" :style="{ paddingTop: pdTop + 'rpx' }">
             <view class="content_top">
                 <!-- <view class="content_top btn-shaky"> -->
@@ -30,18 +34,23 @@ export default {
         pdTop: {
             type: String,
             required: false,
-            default: '80',
+            default: '0',
         },
         mrTop: {
             type: String,
             required: false,
-            default: '20',
+            default: '0',
         },
         pictrue: {
             type: String,
             required: false,
             default: '',
         },
+        isPosition: {
+            type: Boolean,
+            required: false,
+            default: false,
+        },
     },
     methods: {},
 };
@@ -52,19 +61,33 @@ image {
     width: 100%;
     height: 100%;
 }
+.position-center {
+    position: absolute;
+    left: 50%;
+    top: 50%;
+    transform: translate(-50%, -50%);
+}
 .empty {
     width: 100%;
-    min-height: 100vh;
-    position: relative;
+    height: 100%;
+    flex: 1;
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+    // min-height: 100vh;
+    // height: 400rpx;
+    // position: relative;
     .ty_content {
-        position: absolute;
-        left: 50%;
-        top: 0;
-        transform: translate(-50%, 0);
         display: flex;
         flex-direction: column;
         align-items: center;
         justify-content: center;
+        // position: absolute;
+        // left: 50%;
+        // top: 0;
+        // transform: translate(-50%, 0);
+
         .content_top {
             width: 450rpx;
             height: 322rpx;