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pages/chanpinneirong/zuichu1.vue

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+<template>
+	<view class="ezy-xuexi-page">
+		<view class="icon-title-navBar-box">
+			<text class="nav-bar-title">学习</text>
+		</view>
+		<view v-if="existData" class="ezy-page-body xuexi-page-body">
+			<view class="xxjl-card-box-padding">
+				<view class="xxjl-card-box">
+					<!-- 显示内容 -->
+					<view class="card-body-box">
+						<img :src="banbenInfo.cover" />
+						<view class="body-right">
+							<view class="right-name">{{ banbenInfo.chanpinName }}</view>
+							<view>等级：{{banbenInfo.dengjiName}}</view>
+							<view>版本：{{banbenInfo.name}}</view>
+							<view>单元：{{banbenInfo.curDanyuanName}}</view>
+							<view>课程：{{banbenInfo.curKechengName}}</view>
+						</view>
+					</view>
+					<view class="card-progress-box">
+						<view class="xx-progress-box">
+							<view>学习进度</view>
+							<progress :percent="curProcess" class="xx-progress" stroke-width="20"
+								backgroundColor="#3c7dfd" activeColor="#ffd11c" />
+						</view>
+						<ezyActiveVue class="ezy-btn-active jxxx-btn" @aclick="handlePlay(banbenInfo,'jixu')"></ezyActiveVue>
+					</view>
+				</view>
+				</view>
+					<view class="xx-item-list">
+						<view class="xx-item-title">— 以下为当前等级课程目录 —</view>
+						<view v-for="(danyuanItem,index) in danyuanList" :key="danyuanItem.danyuanId">
+							<!-- 第一单元 -->
+								<ezyActiveVue v-if="index ==0" class="ezy-list-item-active item-dy-box item-fixed" @aclick="handleClickDanyuan(danyuanItem)" :id="`unit-title-${danyuanItem.danyuanId}`">
+									<view class="dy-left-box">L{{banbenInfo.dengjiId}}</view>
+									<view class="dy-right-box">
+										<view class="right-content">
+											<view class="dy-name">{{danyuanItem.danyuanName}}</view>
+											<view>{{danyuanItem.danyuanIntro}}</view>
+										</view>
+									</view>
+								</ezyActiveVue>
+							<!-- 其他单元 -->
+							<view v-if="index !=0" class="xx-item-title" :id="`unit-title-${danyuanItem.danyuanId}`">— {{danyuanItem.danyuanName}}
+								{{danyuanItem.danyuanIntro}} —
+							</view>
+						
+
+							<ezyActiveVue class="ezy-list-item-active xx-item-box" v-for="jieItem in danyuanItem.jieList" :key="jieItem.jieId"
+								@aclick="handlePlay(jieItem,'play')">
+								<view class="xx-item-status"
+									:class="jieItem.wanchengFlag == 1 ? 'completed-status' : 'uncompleted-status'">
+								</view>
+								<img :src="jieItem.cover" />
+								<view class="xx-text-box">
+									<view>{{ jieItem.jieName }}</view>
+									<view>{{ jieItem.jieIntro }}</view>
+								</view>
+								<view class="xx-item-btn"></view>
+							</ezyActiveVue>
+
+
+						</view>
+						<view class="xx-item-title">本级别最后一单元啦~</view>
+						<view class="xx-more-btn" @click="moreBtn"></view>
+					</view>
+				
+				<!-- 回到顶部 -->
+				<view class="go-top-btn" v-if="false"></view>
+				
+			</view>
+			<view v-if="!existData">
+
+			</view>
+
+		<danyuanInfoVue ref="dyRef" v-if="isShow" @close="isShow= false"></danyuanInfoVue>
+		<custom-tab-bar :show="true" :current-index="currentTabIndex" />
+		
+	</view>
+</template>
+
+<script>
+	import ezyActiveVue from "@/components/ezyActive/ezyActive.vue";
+	import CustomTabBar from '@/components/custom-tabbar/index.vue';
+	import cacheManager from "@/utils/cacheManager.js";
+	import {
+		shuxueChanpinBanbenInfo,
+		shuxueSave
+	} from "@/api/chanpinneirong.js"
+	import {
+		onLoad,
+		onShow,
+		onHide,
+		onUnload
+	} from "@dcloudio/uni-app"
+	import danyuanInfoVue from '@/pages/xinshuxue/components/danyuanInfo.vue';
+	import {
+		toast
+	} from '../../utils/common';
+  import {updateXuexiProcess} from "./useNeirongShuxue"
+	export default {
+		data() {
+			return {
+				canExitApp: false,
+
+				danyuanList: [],
+				currentUnitName: "",
+				isShow: true,
+				banbenInfo: {},
+				banbenId: '',
+				danyuanId: '',
+				chanpinId: '',
+				dengjiId: '',
+				curProcess: '',
+				currentTabIndex: 1,
+				cacheManagerLocal: null,
+				hasCache: false, // 是否有缓存的标志
+				needRefresh: false, // 是否需要刷新数据的标志
+				existData: true,
+
+				currentVisibleUnit: '', // 当前可见的单元名称
+				observer: null, // IntersectionObserver实例
+				lastToastUnitId: null ,// 上一次toast的单元ID，防止重复触发
+				isFixed:false,
+			}
+		},
+		components: {
+			CustomTabBar,
+			danyuanInfoVue,
+			ezyActiveVue
+		},
+		onShow() {
+			this.currentTabIndex = 1
+			const cacheData = cacheManager.get('xuexi-shuxue');
+
+			if (cacheData) {
+				console.log('使用缓存数据');
+				this.updateFromCache();
+			} else {
+				console.log('重新请求数据');
+				this.hasCache = false;
+				const cacheDataAuth = cacheManager.get('auth');
+				this.initFromOptions(cacheDataAuth);
+			}
+
+			// 数据加载完成后初始化观察器
+			this.$nextTick(() => {
+				setTimeout(() => {
+					this.initObserver();
+				}, 300);
+			});
+		},
+		onHide() {
+			console.log('学习页面隐藏')
+			this.needRefresh = true;
+			// 销毁观察器
+			if (this.observer) {
+				this.observer.disconnect();
+				this.observer = null;
+			}
+		},
+		onUnload() {
+			// 页面卸载时销毁观察器
+			if (this.observer) {
+				this.observer.disconnect();
+				this.observer = null;
+			}
+		},
+		onLoad(options) {
+			uni.hideTabBar()
+		},
+		methods: {
+			moreBtn(){
+				uni.switchTab({
+					url: '/pages/chanpinXuanze/index'
+				})
+			},
+			// 初始化IntersectionObserver
+			initObserver() {
+			  if (this.observer) {
+			    this.observer.disconnect();
+			    this.observer = null;
+			  }
+			  
+			  // 监听每个单元标题的位置
+			  this.observer = uni.createIntersectionObserver(this).relativeToViewport({
+			    top: 0,  // 监听进入屏幕顶部的标题
+			    bottom: 0
+			  });
+			  
+			  this.danyuanList.forEach((item, index) => {
+			    const titleId = `unit-title-${item.danyuanId}`;
+			    this.observer.observe(`#${titleId}`, (res) => {
+			      if (res.intersectionRatio > 0) {
+			        // 标题在屏幕顶部区域内
+			        if (this.lastToastUnitId !== item.danyuanId) {
+			          this.lastToastUnitId = item.danyuanId;
+			          console.log(`显示${item.danyuanName}`);
+			          
+						console.log('item',item);
+						if(item.danyuanName !="第一单元"){
+							this.isFixed = true 
+						}else{
+							this.isFixed = false
+						}
+			          // uni.showToast({
+			          //   title: `${item.danyuanName}`,
+			          //   icon: 'none',
+			          //   duration: 1500
+			          // });
+			        }
+			      }
+			    });
+			  });
+			  
+			  // 页面初始时显示第一个单元
+			  if (this.danyuanList.length > 0) {
+			    this.lastToastUnitId = this.danyuanList[0].danyuanId;
+			  }
+			},
+
+			// 从参数初始化方法
+			initFromOptions(options) {
+				console.log('options', options);
+				this.chanpinId = options.chanpinId;
+				this.danyuanId = options.danyuanId;
+				this.banbenId = options.banbenId;
+				this.dengjiId = options.dengjiId;
+				this.loadDataFromApi();
+			},
+			// 从缓存更新数据方法
+			updateFromCache() {
+				updateXuexiProcess()
+				const cacheData = cacheManager.get('xuexi-shuxue');
+				console.log('cacheData 从缓存更新数据方法', cacheData);
+				if (cacheData) {
+					this.banbenInfo = {
+						...cacheData
+					};
+					this.curProcess = cacheData.curProcess;
+					this.danyuanList = [...(cacheData.danyuanList || [])];
+
+					// 数据更新后重新初始化观察器
+					this.$nextTick(() => {
+						setTimeout(() => {
+							this.initObserver();
+						}, 300);
+					});
+				}
+			},
+
+			shouldUseCache(options, cacheData) {
+				if (options.banbenId && cacheData.banbenId === options.banbenId) {
+					return true;
+				}
+				return false;
+			},
+			// 改成了
+			loadDataFromApi() {
+				this.banbenInfo = {}
+				this.curProcess = ''
+				this.danyuanList = []
+				const req = {
+					banbenId: this.banbenId
+				}
+				shuxueChanpinBanbenInfo(req).then(res => {
+					if (res.code === 0) {
+						this.banbenInfo = res.data;
+						this.curProcess =res.data.curProcess * 100;
+						this.danyuanList = res.data.danyuanList || [];
+
+						if (!this.danyuanList) {
+							this.existData = false
+						}
+						// 保存到缓存（新增了参数保存）
+						const cacheData = {
+							...res.data,
+							banbenId: this.banbenId,
+							chanpinId: this.chanpinId,
+							danyuanId: this.danyuanId,
+							dengjiId: this.dengjiId
+						};
+						cacheManager.set('xuexi-shuxue', cacheData);
+						this.hasCache = true;
+
+						// 更新全局auth信息
+						cacheManager.updateObject('auth', {
+							chanpinId: res.data.chanpinId,
+							banbenId: this.banbenId,
+							danyuanId: res.data.curDanyuanId,
+							dengjiId: res.data.dengjiId
+						});
+						this.danyuanId = res.data.curDanyuanId
+						this.dengjiId = res.data.dengjiId
+						this.chanpinId = res.data.chanpinId
+						// 数据加载完成后初始化观察器
+						this.$nextTick(() => {
+							setTimeout(() => {
+								this.initObserver();
+							}, 300);
+						});
+					}
+				}).catch(res => {
+					cacheManager.remove("xuexi-shuxue");
+					this.hasCache = false;
+					toast("加载失败，请重试");
+				});
+			},
+			getJieAndDanyuan(data, jieId) {
+				// 循环单元
+				for (let danyuan of data.danyuanList) {
+					// 循环节
+					for (let jie of danyuan.jieList) {
+						if (jie.jieId == jieId) {
+							return {
+								danyuan: danyuan,
+								jie: jie
+							}
+						}
+					}
+				}
+				return null;
+			},
+			// 统一保存和跳转方法
+			async saveAndNavigate(jieId, type,da, code) {
+				if (code == 'jixu') { // 追加参数判断 非继续 [临时]
+					if (!this.banbenId || !this.danyuanId) {
+						toast("banbenId或者danyuanId 丢失")
+						return false
+					}
+				}	 
+			
+				let req = {
+					"banbenId": this.banbenId,
+					"danyuanId": da.danyuanId, // 修改当时版本ID为数据内版本Id [临时]
+					"jieId": jieId
+				}
+
+				try {
+					const res = await shuxueSave(req);
+					console.log('res', res);
+
+					if (res.code == 0 && res.data) {
+						let curJieAndDanyuan = this.getJieAndDanyuan(this.banbenInfo, jieId);
+						console.log('curJieAndDanyuan', curJieAndDanyuan);
+
+						if (!curJieAndDanyuan) {
+							toast("未找到课程信息");
+							return false;
+						}
+
+						// 更新缓存
+						const cacheData = cacheManager.get('xuexi-shuxue') || {};
+						cacheData.curDanyuanName = curJieAndDanyuan.danyuan.danyuanName;
+						cacheData.curKechengName = curJieAndDanyuan.jie.jieIntro;
+						cacheData.curJieId = jieId;
+						cacheData.type = curJieAndDanyuan.jie.type;
+						cacheManager.set('xuexi-shuxue', cacheData);
+
+						// 跳转到学习页面
+						if (type == 1) {
+							uni.navigateTo({
+								url: `/pages/xinshuxue/lookShipin?jieId=${jieId}`
+							})
+						} else {
+							uni.navigateTo({
+								url: `/pages/xinshuxue/unitTest?jieId=${jieId}`
+							})
+						}
+					} else {
+						toast("保存位置出错");
+						return false;
+					}
+				} catch (error) {
+					toast("保存失败");
+					return false;
+				}
+			},
+			handlePlay(da, code) {
+				console.log('da', da);
+				let jieId = null;
+				if (code == 'jixu') {
+					if (!da.curJieId) {
+						toast("无课程ID");
+						return;
+					}
+					jieId = da.curJieId;
+				} else {
+					jieId = da.jieId;
+				}
+				// [临时]
+				this.saveAndNavigate(jieId, da.type, da, code);
+			},
+			handleClickDanyuan(item) {
+				// 更新为点击的动态单元Id [临时]
+				if (!item.danyuanId) {
+					toast("this.danyuanId丢失")
+					return false
+				}
+				this.isShow = true;
+				setTimeout(() => {
+					// 更新为点击的动态单元Id [临时]
+					this.$refs.dyRef.handleShow(item.danyuanId)
+				}, 100)
+			},
+			handleBack() {
+				uni.navigateTo({
+					url: `/pages/chanpinXuanze/banben?dengjiId=` + this.dengjiId
+				})
+			},
+		}
+	}
+</script>
+