refactor: 架构升级

2026-09-13 00:50:40 +08:00 · 2026-08-31 07:58:23 +08:00
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+# cover-image
+
+## Instructions
+
+覆盖在原生组件上的图片视图。可覆盖的原生组件同 cover-view ，支持嵌套在 cover-view 里。
+
+平台差异说明
+
+属性说明
+
+### Syntax
+
+- 使用 `<cover-image />`（或 `<cover-image></cover-image>`，当需要包裹子节点时）。
+- 遇到平台差异时，建议使用条件编译（`#ifdef / #endif`）显式处理。
+
+#### Properties
+
+| 属性名 | 类型 | 默认值 | 说明 | 平台差异说明 |
+| --- | --- | --- | --- | --- |
+| src | String |  | 图标路径。支持本地路径、网络路径。不支持 base64 格式。 |  |
+
+#### Events
+
+| 事件名 | 类型 | 默认值 | 说明 | 平台差异说明 |
+| --- | --- | --- | --- | --- |
+| @load | eventhandle |  | 图片加载成功时触发 | 微信小程序 2.1.0、百度小程序、QQ小程序、快手小程序、京东小程序 |
+| @error | eventhandle |  | 图片加载失败时触发 | 微信小程序 2.1.0、百度小程序、QQ小程序、快手小程序、京东小程序 |
+
+#### Platform Compatibility
+
+See official docs for platform support table: `https://doc.dcloud.net.cn/uni-app-x/component/cover-image.html`
+
+### Examples
+
+### Example (Example 1)
+
+```vue
+<!-- 本示例未包含完整css，获取外链css请参考上文，在hello uni-app项目中查看 -->
+<template>
+	<view class="page">
+		<video class="video" id="demoVideo" :controls="false" :enable-progress-gesture="false" :show-center-play-btn="true" src="https://img.cdn.aliyun.dcloud.net.cn/guide/uniapp/%E7%AC%AC1%E8%AE%B2%EF%BC%88uni-app%E4%BA%A7%E5%93%81%E4%BB%8B%E7%BB%8D%EF%BC%89-%20DCloud%E5%AE%98%E6%96%B9%E8%A7%86%E9%A2%91%E6%95%99%E7%A8%8B@20181126-lite.m4v">
+			<cover-view class="controls-title">简单的自定义 controls</cover-view>
+			<cover-image class="controls-play img" @click="play" src="/static/play.png"></cover-image>
+			<cover-image class="controls-pause img" @click="pause" src="/static/pause.png"></cover-image>
+		</video>
+	</view>
+</template>
+```
+
+### Example (Example 2)
+
+```vue
+<!-- 本示例未包含完整css，获取外链css请参考上文，在hello uni-app项目中查看 -->
+<template>
+	<view class="page">
+		<video class="video" id="demoVideo" :controls="false" :enable-progress-gesture="false" :show-center-play-btn="true" src="https://img.cdn.aliyun.dcloud.net.cn/guide/uniapp/%E7%AC%AC1%E8%AE%B2%EF%BC%88uni-app%E4%BA%A7%E5%93%81%E4%BB%8B%E7%BB%8D%EF%BC%89-%20DCloud%E5%AE%98%E6%96%B9%E8%A7%86%E9%A2%91%E6%95%99%E7%A8%8B@20181126-lite.m4v">
+			<cover-view class="controls-title">简单的自定义 controls</cover-view>
+			<cover-image class="controls-play img" @click="play" src="/static/play.png"></cover-image>
+			<cover-image class="controls-pause img" @click="pause" src="/static/pause.png"></cover-image>
+		</video>
+	</view>
+</template>
+```
+
+### Example (Example 3)
+
+```vue
+<script>
+	export default {
+		data() {
+			return {}
+		},
+		mounted() {
+			this.videoCtx = uni.createVideoContext('demoVideo')
+		},
+		methods: {
+			play(event) {
+				this.videoCtx.play();
+				uni.showToast({
+					title: '开始播放',
+					icon: 'none'
+				});
+			},
+			pause(event) {
+				this.videoCtx.pause();
+				uni.showToast({
+					title: '暂停播放',
+					icon: 'none'
+				});
+			}
+		}
+	}
+</script>
+```
+
+### Example (Example 4)
+
+```vue
+<style>
+	.page {
+		display: flex;
+		justify-content: center;
+	}
+
+	.video {
+		position: relative;
+	}
+
+	cover-view,
+	cover-image {
+		display: inline-block;
+	}
+
+	.img {
+		position: absolute;
+		width: 100rpx;
+		height: 100rpx;
+		top: 50%;
+		margin-top: -50rpx;
+	}
+
+	.controls-play {
+		left: 50rpx;
+	}
+
+	.controls-pause {
+		right: 50rpx;
+	}
+
+	.controls-title {
+		width: 100%;
+		text-align: center;
+		color: #FFFFFF;
+	}
+</style>
+```
+
+Reference: [Official Documentation](https://doc.dcloud.net.cn/uni-app-x/component/cover-image.html)