pan-mini/components/video-grid-simple/video-grid-simple.vue

401 lines
9.3 KiB
Vue

<template>
<!-- 使用原生 scroll-view 实现滚动 -->
<scroll-view
class="scroll-container"
:scroll-y="true"
:style="{ height: height, backgroundColor: backgroundColor }"
@scroll="onScroll"
>
<!-- 顶部自定义区域 -->
<slot name="top"></slot>
<!-- 视频网格列表 -->
<view class="video-grid" :style="gridStyle">
<view
class="video-item"
v-for="(item, index) in videoList"
:key="index"
:style="itemStyle"
>
<!-- 视频播放器 -->
<video
:id="'video'+index"
:src="item.src"
:autoplay="item.autoplay"
:loop="true"
:muted="true"
:controls="false"
:poster="item.poster"
:show-center-play-btn="true"
class="video-player"
@play="onVideoPlay(item, index)"
@error="onVideoError(item)"
/>
<!-- 蒙版层 - 拦截点击事件 -->
<view
class="video-mask"
@click="onVideoClick(item)"
>
<!-- 元数据区域 - 父级可控制是否显示 -->
<view
class="video-meta"
:style="{background: metaGradient}"
v-if="showTitle || showFavorite || showComment"
>
<!-- 标题 - 父级可控制是否显示 -->
<text class="video-title" v-if="showTitle">{{ item.title }}</text>
<!-- 操作按钮区域 - 父级可控制是否显示 -->
<view class="video-actions" v-if="showFavorite || showComment">
<!-- 收藏按钮 - 父级可控制是否显示 -->
<view class="action-btn" v-if="showFavorite">
<uni-icons type="heart" size="16" :color="favoriteColor" />
<text :style="{color: favoriteTextColor}">{{ item.likes || 0 }}</text>
</view>
<!-- 评论按钮 - 父级可控制是否显示 -->
<view class="action-btn" v-if="showComment">
<uni-icons type="chat" size="16" :color="commentColor" />
<text :style="{color: commentTextColor}">{{ item.comments || 0 }}</text>
</view>
</view>
</view>
</view>
</view>
</view>
<!-- 空数据提示 -->
<view class="empty-container" v-if="videoList.length === 0">
<slot name="empty" v-if="$slots.empty"></slot>
<view v-else class="empty-content">
<image
src="/static/images/empty-video.png"
mode="aspectFit"
class="empty-img"
/>
<text class="empty-text">暂无视频数据</text>
</view>
</view>
</scroll-view>
</template>
<script>
export default {
name: 'video-grid-enhanced',
props: {
// 视频数据列表
videoList: {
type: Array,
required: true,
default: () => []
},
// 每行列数
columns: {
type: Number,
default: 2
},
// 间距
gap: {
type: String,
default: '10px'
},
// 容器高度
height: {
type: String,
default: '100vh'
},
// 背景颜色
backgroundColor: {
type: String,
default: '#FFFFFF'
},
// 是否显示标题
showTitle: {
type: Boolean,
default: false
},
// 是否显示收藏按钮
showFavorite: {
type: Boolean,
default: false
},
// 是否显示评论按钮
showComment: {
type: Boolean,
default: false
},
// 收藏图标颜色
favoriteColor: {
type: String,
default: '#ff5a5f'
},
// 收藏文字颜色
favoriteTextColor: {
type: String,
default: '#666'
},
// 评论图标颜色
commentColor: {
type: String,
default: '#3399ff'
},
// 评论文字颜色
commentTextColor: {
type: String,
default: '#666'
},
// 元数据背景渐变
metaGradient: {
type: String,
default: 'linear-gradient(transparent, rgba(0,0,0,0.7))'
},
// 是否自动播放中央视频
autoPlayCenter: {
type: Boolean,
default: false
}
},
data() {
return {
currentPlayIndex: null, // 当前播放的视频索引
scrollTop: 0, // 当前滚动位置
};
},
computed: {
gridStyle() {
return {
display: 'grid',
gridTemplateColumns: `repeat(${this.columns}, 1fr)`,
gap: this.gap,
padding: '10px',
backgroundColor: this.backgroundColor
};
},
itemStyle() {
const aspectRatio = 0.75; // 4:3比例
return {
position: 'relative',
overflow: 'hidden',
borderRadius: '8px',
backgroundColor: this.backgroundColor,
aspectRatio: aspectRatio
};
}
},
mounted() {
// 自动播放第一个视频
// this.$nextTick(() => {
// if (this.videoList.length > 0) {
// setTimeout(() => {
// this.playVideo(0);
// }, 500);
// }
// });
},
methods: {
// 播放指定视频
playVideo(index) {
// 停止当前播放的视频
if (this.currentPlayIndex !== null) {
this.pauseVideo(this.currentPlayIndex);
}
// 播放新视频
if (index < this.videoList.length) {
this.currentPlayIndex = index;
const videoId = 'video' + index;
const videoContext = uni.createVideoContext(videoId, this);
if (videoContext) {
try {
videoContext.play();
} catch (error) {
console.error('Error playing video:', error);
}
}
}
},
// 暂停指定视频
pauseVideo(index) {
if (index < this.videoList.length) {
const videoId = 'video' + index;
const videoContext = uni.createVideoContext(videoId, this);
if (videoContext) {
videoContext.pause();
}
}
},
// 停止所有视频
stopAllVideos() {
for (let i = 0; i < this.videoList.length; i++) {
this.pauseVideo(i);
}
},
// 视频播放事件
onVideoPlay(item, index) {
this.playVideo(index);
},
// 视频点击事件 - 通过蒙版层触发
onVideoClick(item) {
console.log("拦截事件",item)
this.$emit('video-click', item);
},
// 视频播放错误
onVideoError(item) {
try {
console.error('视频播放失败:', item);
uni.showToast({
title: `视频${item.title}加载失败`,
icon: 'none'
});
// 尝试播放下一个视频
if (this.currentPlayIndex !== null && this.currentPlayIndex + 1 < this.videoList.length) {
setTimeout(() => {
this.playVideo(this.currentPlayIndex + 1);
}, 500);
}
} catch (error) {
console.error('Error in onVideoError:', error);
}
},
// 滚动事件处理
onScroll(e) {
this.scrollTop = e.detail.scrollTop;
this.$emit('scroll', e);
// 自动播放最靠近屏幕中央的视频
if (this.autoPlayCenter) {
this.$nextTick(() => {
this.autoPlayCenterVideo();
});
}
},
// 自动播放屏幕中央的视频
autoPlayCenterVideo() {
if (this.currentPlayIndex === null) return;
// 获取视频项高度
const videoItem = this.$el.querySelector('.video-item');
if (!videoItem) return;
const itemHeight = videoItem.clientHeight;
const screenCenter = this.scrollTop + window.innerHeight / 2;
// 找到最接近屏幕中央的视频
let centerIndex = Math.floor((screenCenter - itemHeight / 2) / itemHeight) * this.columns;
// 限制范围
centerIndex = Math.max(0, Math.min(centerIndex, this.videoList.length - 1));
// 如果中央视频变化了,播放新视频
if (centerIndex !== this.currentPlayIndex) {
this.playVideo(centerIndex);
}
}
}
};
</script>
<style scoped lang="scss">
.scroll-container {
width: 100%;
overflow: hidden;
}
.video-grid {
padding: 8px;
}
.video-item {
position: relative;
border-radius: 8px;
overflow: hidden;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}
.video-player {
width: 100%;
height: 100%;
display: block;
background: #f7f7f7;
}
/* 蒙版层样式 - 覆盖整个视频项 */
.video-mask {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
z-index: 10;
display: flex;
flex-direction: column;
justify-content: flex-end;
}
.video-meta {
padding: 12px;
}
.video-title {
font-size: 14px;
line-height: 1.5;
color: white;
display: -webkit-box;
-webkit-box-orient: vertical;
-webkit-line-clamp: 2;
overflow: hidden;
text-overflow: ellipsis;
}
.video-actions {
display: flex;
justify-content: flex-end;
margin-top: 10px;
}
.action-btn {
display: flex;
align-items: center;
margin-left: 15px;
text {
font-size: 12px;
margin-left: 4px;
color: white;
}
}
.empty-container {
display: flex;
justify-content: center;
align-items: center;
height: 300px;
}
.empty-content {
display: flex;
flex-direction: column;
align-items: center;
}
.empty-img {
width: 150px;
height: 150px;
opacity: 0.5;
}
.empty-text {
font-size: 16px;
color: #999;
margin-top: 20px;
}
</style>