Feat：旅居选择日期这里需要加个左右滑动翻页的功能

components/DateRangePicker/DateRangePicker.vue

@@ -14,7 +14,7 @@
             原定时间：{{ originDate }}
           </view>
         </view>
-        <view class="calendar">
+        <view class="calendar" @touchstart="onTouchStart" @touchend="onTouchEnd">
           <view class="calendar-header">
             <view class="month-nav">
               <text class="nav-btn" @click="changeMonth(-1)">〈</text>
@@ -111,7 +111,9 @@ export default {
       tempStartDate: null,
       tempEndDate: null,
       dateStatusMap: {}, // 存储日期状态
-      selectionState: 'initial' // 'initial' | 'selecting' | 'completed'
+      selectionState: 'initial', // 'initial' | 'selecting' | 'completed'
+      touchStartX: 0,
+      touchStartY: 0
     }
   },
 
@@ -253,6 +255,28 @@ export default {
       this.currentMonth = newMonth
     },
 
+    onTouchStart(e) {
+      if (!e || !e.changedTouches || !e.changedTouches.length) return
+      this.touchStartX = e.changedTouches[0].clientX
+      this.touchStartY = e.changedTouches[0].clientY
+    },
+
+    onTouchEnd(e) {
+      if (!e || !e.changedTouches || !e.changedTouches.length) return
+      const touchEndX = e.changedTouches[0].clientX
+      const touchEndY = e.changedTouches[0].clientY
+      const deltaX = touchEndX - this.touchStartX
+      const deltaY = touchEndY - this.touchStartY
+      if (Math.abs(deltaX) <= Math.abs(deltaY)) return
+      const minDistance = 50
+      if (Math.abs(deltaX) < minDistance) return
+      if (deltaX < 0) {
+        this.changeMonth(1)
+      } else {
+        this.changeMonth(-1)
+      }
+    },
+
     formatDate(date) {
       if (!date) return ''
       const year = date.getFullYear()
@@ -697,4 +721,4 @@ export default {
     transform: scale(1);
   }
 }
-</style>
+</style>