fix:删除摄像头初始化覆盖层,直接显示camera预览

This commit is contained in:
97694732@qq.com 2026-06-06 17:15:21 +08:00
parent 9af574ecad
commit 81d559ccb7

View File

@ -1,15 +1,8 @@
<template>
<view class="cc-page">
<!-- 摄像头预览区 -->
<view class="cc-camera-wrap" v-if="useNativeCamera">
<camera id="ccCamera" class="cc-camera" device-position="back" flash="off" @error="onCameraError" @initdone="onCameraInit"></camera>
<view class="cc-camera-hint" v-if="!ctxReady">
<text class="cc-hint-text">摄像头初始化中...</text>
</view>
</view>
<view class="cc-fallback" v-else>
<text class="cc-fallback-icon">📷</text>
<text class="cc-fallback-text">点击拍照按钮调用系统相机</text>
<view class="cc-camera-wrap">
<camera id="ccCamera" class="cc-camera" device-position="back" flash="off" @error="onCameraError"></camera>
</view>
<!-- 已拍照九宫格 -->
@ -29,7 +22,7 @@
<!-- 底部操作区 -->
<view class="cc-footer">
<view class="cc-capture-btn" @click="capturePhoto" :class="{ disabled: !canCapture }">
<view class="cc-capture-btn" @click="capturePhoto" :class="{ disabled: capturedList.length >= 9 }">
<view class="cc-capture-inner"></view>
</view>
<view class="cc-confirm-btn" @click="confirmCapture" :class="{ disabled: capturedList.length === 0 }">
@ -44,68 +37,58 @@
data() {
return {
capturedList: [],
ctx: null,
ctxReady: false,
useNativeCamera: true,
initRetries: 0,
maxRetries: 10
}
},
computed: {
canCapture() {
return this.capturedList.length < 9 && (this.useNativeCamera ? this.ctxReady : true)
ctx: null
}
},
onReady() {
this.initCamera()
this.getCameraContext()
},
methods: {
initCamera() {
getCameraContext() {
try {
this.ctx = uni.createCameraContext()
console.log('摄像头上下文:', this.ctx ? '已获取' : '获取失败')
} catch (e) {
console.error('createCameraContext异常:', e)
}
// 15
if (!this.ctx) {
var count = 0
var timer = setInterval(() => {
count++
try {
this.ctx = uni.createCameraContext()
if (this.ctx) {
this.ctxReady = true
console.log('摄像头已就绪')
} else {
this.retryInit()
console.log('摄像头上下文获取成功')
clearInterval(timer)
}
} catch (e) {
console.error('摄像头初始化失败:', e)
this.retryInit()
} catch (e) {}
if (count >= 5) {
clearInterval(timer)
console.log('摄像头上下文获取超时')
}
},
retryInit() {
this.initRetries++
if (this.initRetries < this.maxRetries) {
setTimeout(() => this.initCamera(), 500)
} else {
console.log('摄像头组件初始化超时,切换到系统相机模式')
this.useNativeCamera = false
this.ctxReady = true
}, 1000)
}
},
onCameraInit() {
console.log('摄像头initdone')
this.initCamera()
},
onCameraError(e) {
console.error('摄像头错误:', e)
this.useNativeCamera = false
this.ctxReady = true
uni.showToast({ title: '切换到系统相机模式', icon: 'none' })
uni.showToast({ title: '摄像头启动失败: ' + (e.detail || ''), icon: 'none' })
},
capturePhoto() {
if (this.capturedList.length >= 9) {
uni.showToast({ title: '最多拍9张', icon: 'none' })
return
}
if (this.useNativeCamera && this.ctx && this.ctxReady) {
this.nativeCapture()
} else {
this.systemCapture()
if (!this.ctx) {
//
try {
this.ctx = uni.createCameraContext()
} catch (e) {}
}
if (!this.ctx) {
uni.showToast({ title: '摄像头未就绪', icon: 'none' })
return
}
},
nativeCapture() {
uni.showLoading({ title: '拍照中...', mask: true })
this.ctx.takePhoto({
quality: 'high',
@ -120,19 +103,6 @@
}
})
},
systemCapture() {
uni.chooseImage({
count: 1,
sourceType: ['camera'],
sizeType: ['original'],
success: (res) => {
if (res.tempFilePaths && res.tempFilePaths.length > 0) {
this.capturedList.push(res.tempFilePaths[0])
}
},
fail: () => {}
})
},
deletePhoto(idx) {
this.capturedList.splice(idx, 1)
},
@ -170,37 +140,6 @@
width: 100%;
height: 100%;
}
.cc-camera-hint {
position: absolute;
top: 0;
left: 0;
right: 0;
bottom: 0;
display: flex;
align-items: center;
justify-content: center;
background: #111;
}
.cc-hint-text {
color: #999;
font-size: 28rpx;
}
.cc-fallback {
flex: 1;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
background: #222;
gap: 16rpx;
}
.cc-fallback-icon {
font-size: 80rpx;
}
.cc-fallback-text {
color: #999;
font-size: 28rpx;
}
.cc-thumb-bar {
background: #1a1a1a;
padding: 16rpx 20rpx;
@ -265,10 +204,6 @@
display: flex;
align-items: center;
justify-content: center;
transition: opacity 0.3s;
}
.cc-capture-btn.disabled {
opacity: 0.4;
}
.cc-capture-inner {
width: 64rpx;
@ -279,6 +214,9 @@
.cc-capture-btn:active .cc-capture-inner {
background: #ccc;
}
.cc-capture-btn.disabled {
opacity: 0.4;
}
.cc-confirm-btn {
padding: 18rpx 40rpx;
border-radius: 40rpx;