12.10提交

pages_app/downLoadVideo/downLoadVideo.vue

@@ -39,7 +39,7 @@
     </view>
 
     <!-- 内容列表 -->
-    <scroll-view class="content-scroll" scroll-y>
+    <scroll-view class="content-scroll" scroll-y :scroll-top="scrollTop">
       <view v-if="currentList.length === 0" class="empty-state">
         <text>暂无数据</text>
       </view>
@@ -144,7 +144,7 @@
 <script setup>
 import { ref, computed, onMounted, nextTick } from "vue";
 import downloadStore from "@/store/downloadStoreVideo.js";
-import { onLoad, onShow, onUnload } from "@dcloudio/uni-app";
+import { onLoad, onShow,onUnload,onBackPress} from "@dcloudio/uni-app";
 import playImg from "@/static/down_true.png";
 import pauseImg from "@/static/down_false.png";
 import navTo from "@/utils/navTo";
@@ -156,6 +156,7 @@ const selectedItems = ref([]);
 // 响应式数据
 const activeTab = ref("completed"); // completed: 已完成, downloading: 缓存中
 const isEditMode = ref(false);
+const scrollTop = ref(0);
 const storageInfo = ref({
   total: "461.31G",
   available: "312.92G",
@@ -204,7 +205,12 @@ const clearAll=()=>{
 const isItemSelected = (item) => {
   return selectedItems.value.includes(item.id);
 }
-
+onBackPress(() => {
+  if(from.value){
+    plus.runtime.quit();
+    return true;
+  }
+});
 // 切换项的选中状态
 const toggleSelectItem = (item) => {
   const index = selectedItems.value.indexOf(item.id);
@@ -237,13 +243,11 @@ const currentList = computed(() => {
 });
 // 方法
 const goBack = () => {
-  uni.navigateBack({
-    fail() {
-      uni.redirectTo({
-        url: "/pages/index/index",
-      });
-    },
-  });
+  if(from.value){
+     plus.runtime.quit();
+  }else{
+    uni.navigateBack()
+  };
 };
 
 const switchTab = (tab) => {
@@ -252,6 +256,14 @@ const switchTab = (tab) => {
   // 切换标签时清空选择
   selectedItems.value = [];
   isAllSelect.value = false;
+  // 切换到缓存中时，滚动到顶部
+  if (tab === 'downloading') {
+    // 先设置为一个非0值，然后在下一个tick设置为0，确保滚动触发
+    scrollTop.value = 0.01;
+    nextTick(() => {
+      scrollTop.value = 0;
+    });
+  }
 };
 
 const toggleEdit = () => {
@@ -330,8 +342,14 @@ const formatSize = (size) => {
   // 如果已经是格式化字符串
   return size;
 };
-
-onLoad(() => {
+const from = ref('');
+onLoad((options) => {
+  if(options.from){
+    from.value = options.from;
+  }
+  if(options.type){
+    switchTab('downloading')
+  }
   // 从store同步任务列表
   syncTasksFromStore();
   // 监听store变化