feat(页面): 在发布车源页面添加顶部导航栏

添加 NutNavbar 组件用于顶部导航，替换原生的导航栏标题设置
移除原生的 wx.setNavigationBarTitle 调用
新增返回按钮功能及样式配置

@@ -20,6 +20,7 @@ declare module 'vue' {
     NutInput: typeof import('@nutui/nutui-taro')['Input']
     NutMenu: typeof import('@nutui/nutui-taro')['Menu']
     NutMenuItem: typeof import('@nutui/nutui-taro')['MenuItem']
+    NutNavbar: typeof import('@nutui/nutui-taro')['Navbar']
     NutOverlay: typeof import('@nutui/nutui-taro')['Overlay']
     NutPicker: typeof import('@nutui/nutui-taro')['Picker']
     NutPopup: typeof import('@nutui/nutui-taro')['Popup']

 <template>
     <view class="sell-page">
+        <!-- 顶部导航 -->
+        <nut-config-provider :theme-vars="themeVars">
+            <nut-sticky top="0">
+                <nut-navbar v-if="!isAuthMode" :title="isEditMode ? '编辑车源' : '发布车源'" left-show @on-click-back="goBack">
+                    <template #left-show>
+                        <RectLeft color="white" />
+                    </template>
+                </nut-navbar>
+            </nut-sticky>
+        </nut-config-provider>
+
         <!-- 表单内容 -->
         <view class="form-container">
             <!-- 车辆照片上传 -->
@@ -285,11 +296,25 @@
 
 <script setup>
 import { ref, reactive, onMounted } from 'vue'
-import { Plus, Right, Location, Close } from '@nutui/icons-vue-taro'
+import { Plus, Right, Location, Close, RectLeft } from '@nutui/icons-vue-taro'
 import Taro from '@tarojs/taro'
 import BASE_URL from '@/utils/config';
 import './index.less'
 
+const themeVars = ref({
+    navbarBackground: '#fb923c',
+    navbarColor: '#ffffff',
+})
+
+/**
+ * 返回上一页
+ */
+const goBack = () => {
+    Taro.redirectTo({
+        url: '/pages/index/index'
+    })
+}
+
 // 获取页面参数
 const instance = Taro.getCurrentInstance()
 const { id, mode, type } = instance.router?.params || {}
@@ -811,9 +836,9 @@ onMounted(() => {
         loadCarData()
     }
     // 动态修改标题
-    wx.setNavigationBarTitle({
-        title: isEditMode.value ? '编辑车源' : '发布车源'
-    });
+    // wx.setNavigationBarTitle({
+    //     title: isEditMode.value ? '编辑车源' : '发布车源'
+    // });
     if (isAuthMode.value) {
         wx.setNavigationBarTitle({
             title: '发布车源'