feat：框架合同-新增编辑-底部dom移入uni-list里-解决日期组件被 foot（提交合计等）遮盖问题

@@ -41,13 +41,12 @@
             <uni-datetime-picker type="date" v-model="form.validityTime" />
           </template>
         </uni-list-item>
+        <view class="footer">
+          <button class="btn submit" type="primary" @click="onSubmit">提交</button>
+        </view>
       </uni-list>
     </scroll-view>
 
-    <view class="footer">
-      <button class="btn submit" type="primary" @click="onSubmit">提交</button>
-    </view>
-
     <SingleSelectSheet :visible.sync="sheet.visible" :title="sheet.title" :options="sheet.options" v-model="sheet.value"
       @confirm="onSheetConfirm" />
 

@@ -41,13 +41,12 @@
             <uni-datetime-picker type="date" v-model="form.validityTime" />
           </template>
         </uni-list-item>
+        <view class="footer">
+          <button class="btn submit" type="primary" @click="onSubmit">保存</button>
+        </view>
       </uni-list>
     </scroll-view>
 
-    <view class="footer">
-      <button class="btn submit" type="primary" @click="onSubmit">保存</button>
-    </view>
-
     <SingleSelectSheet :visible.sync="sheet.visible" :title="sheet.title" :options="sheet.options" v-model="sheet.value"
       @confirm="onSheetConfirm" />
     <RelateSelectSheet :visible.sync="relate.visible" :title="relate.title" :source="relate.source"