添加无数据缺省图

pages/list/news-list.vue

@@ -21,7 +21,7 @@
 			<!-- 页面分类标题 -->
 			<uni-section style="margin:0;" v-if="searchText" :title="listTitle" type="line"></uni-section>
 			<unicloud-db ref="udb" v-slot:default="{data, loading, error, options}" :options="formData"
-				:collection="collection" :field="field" :where="where" @load="load">
+				:collection="collection" :field="field" :where="where" @load="load($event);isLoading = false;" @error="isLoading = false">
 				<text v-if="error" class="list-info">{{error.message}}</text>
 				<!-- 基于 uni-list 的页面布局 -->
 				<uni-list :class="{ 'uni-list--waterfall': options.waterfall }">
@@ -54,7 +54,7 @@
 				</uni-list>
 				<!-- 通过 loadMore 组件实现上拉加载效果，如需自定义显示内容，可参考：https://ext.dcloud.net.cn/plugin?id=29 -->
 				<uni-load-more v-if="!error && (loading || options.status === 'noMore') " :status="options.status" />
-				<uni-nodata v-if="data.length == 0" @retry="refresh"></uni-nodata>
+				<uni-nodata v-if="data.length == 0" :isLoading="isLoading" @retry="refresh"></uni-nodata>
 			</unicloud-db>
 		</view>
 	</view>
@@ -88,7 +88,8 @@
 				collection: 'opendb-news-articles,uni-id-users',
 				// 查询字段，多个字段用 , 分割
 				field: 'author{username, _id}, user_id,_id,avatar,title,excerpt,last_modify_date, comment_count, like_count',
-				tipShow: false // 是否显示顶部提示框
+				tipShow: false ,// 是否显示顶部提示框
+				isLoading:true
 			};
 		},
 		/**

uni_modules/opendb-feedback/pages/opendb-feedback/list.vue

 <template>
 	<view class="container">
 		<unicloud-db ref="udb" v-slot:default="{data, pagination, loading, hasMore, error}" collection="opendb-feedback"
-			field="content, title" where="is_reply == false">
+			field="content, title" where="is_reply == false" @load="isLoading == false" @error="isLoading == false">
 			<view v-if="data && data.length">
 				<uni-collapse :accordion="true">
 					<uni-collapse-item v-for="(item, index) in data" :key="index" :title="item.title" :show-animation="true">
@@ -9,7 +9,7 @@
 					</uni-collapse-item>
 				</uni-collapse>
 			</view>
-			<uni-nodata v-else @retry="refreshData"></uni-nodata>
+			<uni-nodata v-else :isLoading="isLoading" @retry="refreshData"></uni-nodata>
 		</unicloud-db>
 		<uni-fab ref="fab" horizontal="right" vertical="bottom" :pop-menu="false" @fabClick="fabClick" />
 	</view>
@@ -19,7 +19,7 @@
 	export default {
 		data() {
 			return {
-				
+				isLoading:true,
 			}
 		},
 		methods: {

uni_modules/uni-nodata/components/uni-nodata/uni-nodata.nvue

@@ -5,9 +5,14 @@
 				<text class="title">{{textTypes[networkType]}}</text>
 			</view>
 			<view class="icon-view">
-				<image src="/uni_modules/uni-nodata/static/nodata.png" class="icon-image"></image>
+				<!-- 无数据 icon -->
+				<image v-if="!isLoading" src="/uni_modules/uni-nodata/static/nodata.png" class="icon-image"></image>
+				
+				<!-- 加载中 icon -->
+				<image v-else src="/uni_modules/uni-nodata/static/loading.png" class="icon-loading"></image>
+				<text class="title">{{isLoading ? '加载中...' : ''}}</text>
 			</view>
-			<view class="opera-view">
+			<view class="opera-view" v-if="!isLoading">
 				<view class="btn btn-default" v-if="networkType!='none'" @click="retry">
 					<text class="btn-text">重试</text>
 				</view>
@@ -22,6 +27,12 @@
 <script>
 	export default {
 		name: 'uni-nodata',
+		props:{
+			isLoading:{
+				type:Boolean,
+				default:false
+			}
+		},
 		data() {
 			return {
 				textTypes: {
@@ -207,6 +218,11 @@
 		border-color: #DD524D;
 	}
 	
+	.icon-loading{
+		width: 500rpx;
+		height: 300rpx;
+	}
+	
 	.icon-image{
 		width: 640rpx;
 		height: 640rpx;