762 lines
16 KiB
Plaintext
762 lines
16 KiB
Plaintext
<template>
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<view class="page-container">
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<!-- 头部标题栏 -->
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<view class="header">
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<text class="title">摄像头预览</text>
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</view>
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<!-- 主要内容区域 -->
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<view class="main-content">
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<!-- 预览窗口容器 -->
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<view class="preview-section" v-if="isPreviewing">
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<view class="section-title">
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<text>摄像头预览</text>
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<text class="preview-status">● 预览中</text>
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</view>
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<!-- 预览窗口 -->
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<view class="preview-box">
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<live-pusher
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id="livePusher"
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ref="livePusher"
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class="live-preview"
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:url="''"
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mode="SD"
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:autopush="false"
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:muted="true"
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:enable-camera="true"
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:auto-focus="true"
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:orientation="orientation"
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:beauty="beautyLevel"
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:whiteness="whiteLevel"
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:aspect="aspectRatio"
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:min-bitrate="300"
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:max-bitrate="1000"
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@statechange="onStateChange"
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@error="onError"
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@netstatus="onNetStatus"
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/>
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<!-- 预览窗口边框装饰 -->
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<view class="preview-frame"></view>
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</view>
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<!-- 预览控制按钮 -->
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<view class="preview-controls">
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<button
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class="control-btn switch-btn"
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@click="switchCamera"
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:disabled="!isPreviewing"
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>
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🔄 切换摄像头
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</button>
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<button
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class="control-btn close-btn"
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@click="closePreview"
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>
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❌ 关闭预览
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</button>
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</view>
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</view>
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<!-- 未预览时的占位区域 -->
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<view class="placeholder-section" v-else>
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<view class="section-title">
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<text>预览功能</text>
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</view>
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<view class="placeholder-box">
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<text class="placeholder-icon">📷</text>
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<text class="placeholder-text">点击开始预览体验摄像头功能</text>
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</view>
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<button class="start-btn" @click="startPreview">
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🎥 开始预览
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</button>
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</view>
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<!-- 设置面板 -->
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<view class="settings-section" v-if="showSettings">
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<view class="section-title">
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<text>预览设置</text>
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<text class="close-settings" @click="closeSettings">✕</text>
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</view>
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<view class="settings-content">
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<view class="setting-group">
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<text class="group-title">显示设置</text>
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<view class="setting-item">
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<text class="setting-label">方向模式</text>
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<picker
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@change="onOrientationChange"
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:value="orientationIndex"
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:range="orientationOptions"
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class="setting-picker"
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>
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<view class="picker-display">
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{{ orientationOptions[orientationIndex] }}
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<text class="arrow">▼</text>
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</view>
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</picker>
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</view>
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<view class="setting-item">
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<text class="setting-label">画面比例</text>
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<picker
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@change="onAspectChange"
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:value="aspectIndex"
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:range="aspectOptions"
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class="setting-picker"
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>
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<view class="picker-display">
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{{ aspectOptions[aspectIndex] }}
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<text class="arrow">▼</text>
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</view>
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</picker>
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</view>
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</view>
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<view class="setting-group">
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<text class="group-title">美化设置</text>
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<view class="setting-item">
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<text class="setting-label">美颜等级: {{ beautyLevel }}</text>
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<slider
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:value="beautyLevel"
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min="0"
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max="9"
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step="1"
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@change="onBeautyChange"
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activeColor="#007AFF"
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class="setting-slider"
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/>
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</view>
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<view class="setting-item">
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<text class="setting-label">美白等级: {{ whiteLevel }}</text>
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<slider
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:value="whiteLevel"
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min="0"
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max="9"
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step="1"
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@change="onWhiteChange"
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activeColor="#007AFF"
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class="setting-slider"
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/>
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</view>
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</view>
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<button class="apply-btn" @click="applySettings">应用设置</button>
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</view>
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</view>
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</view>
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<!-- 底部功能区 -->
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<view class="bottom-section">
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<!-- 快捷设置按钮 -->
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<view class="quick-actions" v-if="isPreviewing">
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<button class="action-btn settings-action" @click="openSettings">
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⚙️ 设置
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</button>
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<button class="action-btn capture-action" @click="captureFrame">
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📸 截图
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</button>
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</view>
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<!-- 功能说明 -->
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<view class="info-section">
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<text class="info-text">
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💡 提示：预览功能仅用于查看摄像头画面，不会产生任何推流或录制
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</text>
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</view>
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</view>
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<!-- 遮罩层 -->
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<view
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class="overlay"
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v-if="showSettings"
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@click="closeSettings"
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></view>
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</view>
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</template>
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<script>
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export default {
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data() {
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return {
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// 预览状态
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isPreviewing: false,
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showSettings: false,
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sssssssss: true,
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// 预览配置
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orientation: 'vertical',
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orientationOptions: ['竖屏', '横屏'],
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orientationIndex: 0,
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aspectRatio: '9:16',
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aspectOptions: ['9:16', '3:4', '1:1'],
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aspectIndex: 0,
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beautyLevel: 0,
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whiteLevel: 0,
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// LivePusher 上下文
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livePusherCtx: null
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}
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},
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methods: {
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// 开始预览
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async startPreview() {
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try {
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console.log('开始启动预览...');
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// 创建 live-pusher 上下文
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this.livePusherCtx = uni.createLivePusherContext('livePusher', this);
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// 显示预览界面
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this.isPreviewing = true;
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// 启动预览（不推流）
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this.$nextTick(() => {
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if (this.livePusherCtx) {
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this.livePusherCtx.startPreview({
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success: () => {
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console.log('预览启动成功');
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uni.showToast({
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title: '预览已开始',
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icon: 'success'
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});
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},
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fail: (err) => {
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console.error('预览启动失败:', err);
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this.handlePreviewError(err);
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}
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});
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}
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});
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} catch (error) {
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console.error('启动预览异常:', error);
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uni.showToast({
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title: '预览启动失败',
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icon: 'error'
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});
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}
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},
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// 关闭预览
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closePreview() {
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uni.showModal({
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title: '确认关闭',
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content: '确定要关闭摄像头预览吗？',
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success: (res) => {
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if (res.confirm) {
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this.doClosePreview();
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}
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}
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});
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},
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// 执行关闭预览
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doClosePreview() {
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try {
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console.log('正在关闭预览...');
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// 停止预览
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if (this.livePusherCtx) {
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this.livePusherCtx.stopPreview({
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success: () => {
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console.log('预览已停止');
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},
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fail: (err) => {
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console.error('停止预览失败:', err);
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}
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});
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}
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// 重置状态
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this.isPreviewing = false;
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this.showSettings = false;
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uni.showToast({
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title: '预览已关闭1',
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icon: 'success'
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});
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// this.sssssssss = false;
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} catch (error) {
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console.error('关闭预览异常:', error);
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// 强制更新状态
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this.isPreviewing = false;
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this.showSettings = false;
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}
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},
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// 切换摄像头
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switchCamera() {
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if (!this.livePusherCtx || !this.isPreviewing) return;
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uni.showLoading({
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title: '切换中...'
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});
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this.livePusherCtx.switchCamera({
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success: () => {
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console.log('摄像头切换成功');
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uni.hideLoading();
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uni.showToast({
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title: '摄像头已切换',
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icon: 'success'
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});
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},
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fail: (err) => {
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console.error('摄像头切换失败:', err);
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uni.hideLoading();
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uni.showToast({
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title: '切换失败',
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icon: 'error'
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});
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}
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});
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},
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// 打开设置面板
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openSettings() {
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this.showSettings = true;
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},
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// 关闭设置面板
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closeSettings() {
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this.showSettings = false;
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},
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// 应用设置
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applySettings() {
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uni.showToast({
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title: '设置已应用',
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icon: 'success'
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});
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this.closeSettings();
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},
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// 方向改变
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onOrientationChange(e) {
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this.orientationIndex = e.detail.value;
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this.orientation = this.orientationIndex === 0 ? 'vertical' : 'horizontal';
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},
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// 宽高比改变
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onAspectChange(e) {
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this.aspectIndex = e.detail.value;
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this.aspectRatio = this.aspectOptions[this.aspectIndex];
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},
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// 美颜等级改变
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onBeautyChange(e) {
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this.beautyLevel = e.detail.value;
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},
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// 美白等级改变
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onWhiteChange(e) {
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this.whiteLevel = e.detail.value;
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},
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// 截图功能（可选）
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captureFrame() {
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uni.showToast({
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title: '截图功能开发中',
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icon: 'none'
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});
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},
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// 预览状态变化
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onStateChange(e) {
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console.log('预览状态变化:', e.detail);
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},
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// 错误处理
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onError(e) {
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console.error('预览错误:', e.detail);
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const error = e.detail;
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let errorMsg = '预览出现错误';
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switch(error.errCode) {
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case 1001:
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errorMsg = '摄像头权限被拒绝';
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break;
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case 1002:
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errorMsg = '麦克风权限被拒绝';
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break;
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case 1003:
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errorMsg = '摄像头被其他应用占用';
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break;
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case 1004:
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errorMsg = '设备不支持';
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break;
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}
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uni.showModal({
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title: '预览错误',
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content: errorMsg,
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showCancel: false,
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success: () => {
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this.closePreview();
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}
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});
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},
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// 网络状态
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onNetStatus(e) {
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console.log('预览网络状态:', e.detail);
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},
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// 处理预览错误
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handlePreviewError(err) {
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uni.showModal({
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title: '预览启动失败',
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content: '请检查摄像头权限或稍后重试',
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showCancel: false,
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success: () => {
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this.isPreviewing = false;
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}
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});
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}
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},
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beforeDestroy() {
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if (this.isPreviewing) {
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this.doClosePreview();
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}
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}
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}
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</script>
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<style scoped>
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.page-container {
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min-height: 100vh;
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background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
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display: flex;
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flex-direction: column;
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}
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/* 头部样式 */
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.header {
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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padding: 20px;
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text-align: center;
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box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
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}
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.title {
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color: white;
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font-size: 20px;
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font-weight: bold;
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}
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/* 主要内容区域 */
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.main-content {
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flex: 1;
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padding: 20px;
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display: flex;
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flex-direction: column;
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gap: 20px;
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}
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/* 区域标题 */
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.section-title {
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display: flex;
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justify-content: space-between;
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align-items: center;
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margin-bottom: 15px;
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padding: 0 10px;
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}
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.section-title text:first-child {
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font-size: 18px;
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font-weight: bold;
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color: #333;
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}
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.preview-status {
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font-size: 14px;
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color: #4CAF50;
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}
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.close-settings {
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font-size: 20px;
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color: #999;
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padding: 5px 10px;
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cursor: pointer;
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}
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/* 预览区域 */
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.preview-section, .placeholder-section {
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background: white;
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border-radius: 15px;
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padding: 20px;
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box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
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}
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/* 预览窗口盒子 */
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.preview-box {
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position: relative;
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width: 280px;
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height: 373px; /* 9:16 比例 */
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margin: 0 auto 20px;
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border-radius: 12px;
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overflow: hidden;
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box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
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}
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.live-preview {
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width: 100%;
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height: 100%;
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background-color: #000;
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}
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/* 预览窗口边框装饰 */
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.preview-frame {
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position: absolute;
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top: 0;
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left: 0;
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right: 0;
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bottom: 0;
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border: 3px solid rgba(0, 122, 255, 0.3);
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border-radius: 12px;
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pointer-events: none;
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}
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/* 占位符样式 */
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.placeholder-box {
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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height: 200px;
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background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
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border-radius: 12px;
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margin-bottom: 20px;
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}
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.placeholder-icon {
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font-size: 48px;
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margin-bottom: 15px;
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}
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.placeholder-text {
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color: white;
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font-size: 16px;
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text-align: center;
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}
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/* 按钮样式 */
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.control-btn, .start-btn {
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padding: 12px 24px;
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border: none;
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border-radius: 25px;
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font-size: 16px;
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font-weight: 500;
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cursor: pointer;
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transition: all 0.3s ease;
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}
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.control-btn {
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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color: white;
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margin: 0 10px;
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}
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.control-btn:disabled {
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background: #ccc;
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cursor: not-allowed;
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}
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.close-btn {
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background: linear-gradient(135deg, #ff6b6b 0%, #ee5a52 100%);
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color: white;
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}
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.start-btn {
|
|
background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
|
|
color: white;
|
|
width: 200px;
|
|
}
|
|
|
|
.preview-controls {
|
|
display: flex;
|
|
justify-content: center;
|
|
align-items: center;
|
|
}
|
|
|
|
/* 设置区域 */
|
|
.settings-section {
|
|
position: fixed;
|
|
top: 50%;
|
|
left: 50%;
|
|
transform: translate(-50%, -50%);
|
|
background: white;
|
|
border-radius: 20px;
|
|
padding: 25px;
|
|
width: 90%;
|
|
max-width: 450px;
|
|
max-height: 80vh;
|
|
overflow-y: auto;
|
|
z-index: 1000;
|
|
box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
|
|
}
|
|
|
|
.settings-content {
|
|
margin-top: 15px;
|
|
}
|
|
|
|
.setting-group {
|
|
margin-bottom: 25px;
|
|
}
|
|
|
|
.group-title {
|
|
display: block;
|
|
font-size: 16px;
|
|
font-weight: bold;
|
|
color: #333;
|
|
margin-bottom: 15px;
|
|
padding-bottom: 8px;
|
|
border-bottom: 2px solid #f0f0f0;
|
|
}
|
|
|
|
.setting-item {
|
|
margin-bottom: 20px;
|
|
}
|
|
|
|
.setting-label {
|
|
display: block;
|
|
font-size: 14px;
|
|
color: #555;
|
|
margin-bottom: 8px;
|
|
font-weight: 500;
|
|
}
|
|
|
|
.setting-picker {
|
|
width: 100%;
|
|
}
|
|
|
|
.picker-display {
|
|
display: flex;
|
|
justify-content: space-between;
|
|
align-items: center;
|
|
padding: 12px 15px;
|
|
background: #f8f9fa;
|
|
border: 1px solid #e9ecef;
|
|
border-radius: 8px;
|
|
font-size: 14px;
|
|
}
|
|
|
|
.arrow {
|
|
color: #999;
|
|
font-size: 12px;
|
|
}
|
|
|
|
.setting-slider {
|
|
width: 100%;
|
|
margin: 10px 0;
|
|
}
|
|
|
|
.apply-btn {
|
|
width: 100%;
|
|
padding: 15px;
|
|
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
|
|
color: white;
|
|
border: none;
|
|
border-radius: 10px;
|
|
font-size: 16px;
|
|
font-weight: 500;
|
|
margin-top: 10px;
|
|
}
|
|
|
|
/* 底部区域 */
|
|
.bottom-section {
|
|
background: white;
|
|
padding: 20px;
|
|
box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
|
|
}
|
|
|
|
.quick-actions {
|
|
display: flex;
|
|
justify-content: center;
|
|
gap: 20px;
|
|
margin-bottom: 20px;
|
|
}
|
|
|
|
.action-btn {
|
|
padding: 10px 20px;
|
|
border: none;
|
|
border-radius: 20px;
|
|
font-size: 14px;
|
|
cursor: pointer;
|
|
transition: all 0.3s ease;
|
|
}
|
|
|
|
.settings-action {
|
|
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
|
|
color: white;
|
|
}
|
|
|
|
.capture-action {
|
|
background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
|
|
color: white;
|
|
}
|
|
|
|
.info-section {
|
|
text-align: center;
|
|
padding: 15px;
|
|
background: #f8f9fa;
|
|
border-radius: 10px;
|
|
}
|
|
|
|
.info-text {
|
|
font-size: 13px;
|
|
color: #666;
|
|
line-height: 1.5;
|
|
}
|
|
|
|
/* 遮罩层 */
|
|
.overlay {
|
|
position: fixed;
|
|
top: 0;
|
|
left: 0;
|
|
right: 0;
|
|
bottom: 0;
|
|
background: rgba(0, 0, 0, 0.5);
|
|
z-index: 999;
|
|
}
|
|
|
|
/* 响应式设计 */
|
|
@media (max-width: 480px) {
|
|
.main-content {
|
|
padding: 15px;
|
|
}
|
|
|
|
.preview-box {
|
|
width: 240px;
|
|
height: 320px;
|
|
}
|
|
|
|
.preview-controls {
|
|
flex-direction: column;
|
|
gap: 10px;
|
|
}
|
|
|
|
.control-btn {
|
|
margin: 5px 0;
|
|
}
|
|
|
|
.quick-actions {
|
|
flex-direction: column;
|
|
align-items: center;
|
|
}
|
|
|
|
.action-btn {
|
|
width: 200px;
|
|
}
|
|
}
|
|
</style> |