fix: 处理日期范围选择

src/components/Calender/index.vue

@@ -352,6 +352,14 @@ const handleSingleSelect = (dateInfo) => {
 
 // 处理范围选择
 const handleRangeSelection = (dateInfo) => {
+  if (dateInfo.price === undefined || dateInfo.price === null || dateInfo.stock === '' || dateInfo.price === '-') {
+      uni.showToast({
+        title: "所选日期不可预订，请重新选择",
+        icon: "none",
+      });
+      return;
+  }
+
   if (!rangeStart.value || (rangeStart.value && rangeEnd.value)) {
     // 开始新的范围选择
     rangeStart.value = dateInfo.date;