bugfix: 修复H5日期组件返回的值缺少秒的问题

packages/mobile/src/components/BaseDatePicker.vue

@@ -55,6 +55,7 @@
 <script setup>
 import { ref, computed, watch } from 'vue'
 import { Field, Popup, DatePicker, TimePicker } from 'vant'
+import { formatDate } from '@shared/utils'
 
 // Props 定义
 const props = defineProps({
@@ -141,6 +142,11 @@ const props = defineProps({
       return option
     }
   },
+  // 返回结果格式化
+  resultFormat: {
+    type: String,
+    default: 'YYYY-MM-DD HH:mm:ss'
+  },
   // 选项过滤函数
   filter: {
     type: Function,
@@ -350,7 +356,6 @@ const formatTimePart = () => {
 // 确认选择
 const onConfirm = () => {
   let finalValue = formatDatePart()
-  
   if (hasTime.value) {
     const timePart = formatTimePart()
     if (timePart) {
@@ -358,6 +363,8 @@ const onConfirm = () => {
     }
   }
 
+  finalValue = formatDate(finalValue)
+  
   emit('update:modelValue', finalValue)
   emit('change', finalValue)
   showPicker.value = false