docs: simplify $t to t

src/sku/demo/index.vue

@@ -1,7 +1,7 @@
 <template>
   <demo-section>
     <!-- 基础用法 -->
-    <demo-block :title="$t('basicUsage')">
+    <demo-block :title="t('basicUsage')">
       <div class="sku-container">
         <van-sku
           v-model="showBase"
@@ -24,13 +24,13 @@
           @add-cart="onAddCartClicked"
         />
         <van-button block type="primary" @click="showBase = true">
-          {{ $t('basicUsage') }}
+          {{ t('basicUsage') }}
         </van-button>
       </div>
     </demo-block>
 
     <!-- 自定义步进器 -->
-    <demo-block :title="$t('title2')">
+    <demo-block :title="t('title2')">
       <div class="sku-container">
         <van-sku
           v-model="showStepper"
@@ -50,13 +50,13 @@
           @add-cart="onAddCartClicked"
         />
         <van-button block type="primary" @click="showStepper = true">
-          {{ $t('title2') }}
+          {{ t('title2') }}
         </van-button>
       </div>
     </demo-block>
 
     <!-- 隐藏售罄sku -->
-    <demo-block :title="$t('hideSoldoutSku')">
+    <demo-block :title="t('hideSoldoutSku')">
       <div class="sku-container">
         <van-sku
           v-model="showSoldout"
@@ -77,16 +77,16 @@
           @add-cart="onAddCartClicked"
         />
         <van-button block type="primary" @click="showSoldout = true">
-          {{ $t('hideSoldoutSku') }}
+          {{ t('hideSoldoutSku') }}
         </van-button>
       </div>
     </demo-block>
 
-    <demo-block :title="$t('advancedUsage')">
+    <demo-block :title="t('advancedUsage')">
       <div class="sku-container">
         <van-sku
           v-model="showCustom"
-          :stepper-title="$t('stepperTitle')"
+          :stepper-title="t('stepperTitle')"
           :sku="skuData.sku"
           :goods="skuData.goods_info"
           :goods-id="skuData.goods_id"
@@ -111,7 +111,7 @@
           </template>
           <template #sku-actions-top>
             <div class="van-sku-header-item text-center">
-              {{ $t('actionsTop') }}
+              {{ t('actionsTop') }}
             </div>
           </template>
           <template #sku-actions="{ skuEventBus }">
@@ -122,7 +122,7 @@
                 type="warning"
                 @click="onPointClicked"
               >
-                {{ $t('button1') }}
+                {{ t('button1') }}
               </van-button>
               <van-button
                 square
@@ -130,13 +130,13 @@
                 type="danger"
                 @click="skuEventBus.$emit('sku:buy')"
               >
-                {{ $t('button2') }}
+                {{ t('button2') }}
               </van-button>
             </div>
           </template>
         </van-sku>
         <van-button block type="primary" @click="showCustom = true">
-          {{ $t('advancedUsage') }}
+          {{ t('advancedUsage') }}
         </van-button>
       </div>
     </demo-block>