367 lines
8.9 KiB
Plaintext
367 lines
8.9 KiB
Plaintext
<template>
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<view class="cc-page">
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<!-- 正方形相机预览 -->
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<ima-camera-view
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ref="cameraRef"
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:style="'width:' + camSize + 'px;height:' + camSize + 'px;margin-top:' + frameTop + 'px;margin-left:' + frameLeft + 'px;'"
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flash="off"
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facing="back"
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:widthRatio="1"
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:heightRatio="1"
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@onPictureTaken="onPictureTaken"
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@onCameraOpened="onCameraOpened"
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></ima-camera-view>
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<!-- 正方形取景框（白色边框） -->
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<view class="cc-frame" :style="'top:' + frameTop + 'px;left:' + frameLeft + 'px;width:' + camSize + 'px;height:' + camSize + 'px;'"></view>
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<!-- ═══ 顶部栏 ═══ -->
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<view class="cc-topbar">
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<view class="cc-topbar-left">
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<view class="cc-topbar-back" @click="goBack">
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<text class="cc-back-icon">✕</text>
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</view>
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</view>
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<view class="cc-topbar-center">
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<text class="cc-topbar-title">{{ capturedList.length > 0 ? '已拍 ' + capturedList.length + '/9' : '拍照' }}</text>
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</view>
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<view class="cc-topbar-right">
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<view class="cc-flip-btn" @click="flipCamera">
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<text class="cc-flip-icon">↺</text>
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</view>
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</view>
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</view>
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<!-- ═══ 底部操作栏 ═══ -->
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<view class="cc-footer">
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<!-- 左侧：缩略图预览 -->
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<view class="cc-footer-left">
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<view class="cc-thumb-preview" v-if="capturedList.length > 0" @click="confirmCapture">
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<image class="cc-thumb-last" :src="capturedList[capturedList.length-1]" mode="aspectFill"></image>
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<text class="cc-thumb-badge">{{ capturedList.length }}</text>
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</view>
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</view>
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<!-- 中间：拍照按钮（放大） -->
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<view class="cc-footer-center">
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<view class="cc-capture-outer">
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<view class="cc-capture-btn" @click="capturePhoto"></view>
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</view>
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</view>
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<!-- 右侧：完成按钮（拍完显示） -->
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<view class="cc-footer-right">
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<text class="cc-confirm-btn" @click="confirmCapture" v-if="capturedList.length > 0">完成 {{ capturedList.length }}</text>
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</view>
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</view>
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<!-- ═══ 缩略图横条（超过1张时） ═══ -->
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<view class="cc-thumb-bar" v-if="capturedList.length > 1">
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<scroll-view scroll-x="true" show-scrollbar="false" style="flex-direction:row;">
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<view style="flex-direction:row;">
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<view class="cc-thumb-item" v-for="(img, idx) in capturedList" :key="idx">
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<image class="cc-thumb-img" :src="img" mode="aspectFill"></image>
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<view class="cc-thumb-del" @click.stop="deletePhoto(idx)">
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<text class="cc-del-icon">✕</text>
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</view>
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</view>
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</view>
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</scroll-view>
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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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capturedList: [],
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cameraReady: false,
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facing: 'back',
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winWidth: 750,
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winHeight: 1334,
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camSize: 750,
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frameTop: 110,
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frameLeft: 0
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}
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},
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onLoad() {
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var that = this
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uni.getSystemInfo({
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success: function(res) {
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that.winWidth = res.windowWidth
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that.winHeight = res.windowHeight
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// 取景框放在中间偏上一点
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var barH = 110
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var bottomArea = 240
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var availableH = res.windowHeight - barH - bottomArea
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var size = Math.min(res.windowWidth, availableH)
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that.camSize = size
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that.frameTop = barH + Math.floor((availableH - size) / 2)
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that.frameLeft = Math.floor((res.windowWidth - size) / 2)
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}
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})
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},
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methods: {
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onCameraOpened() {
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this.cameraReady = true
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console.log('相机已就绪')
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},
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capturePhoto() {
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if (this.capturedList.length >= 9) {
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uni.showToast({ title: '最多拍9张', icon: 'none' })
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return
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}
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if (!this.cameraReady) {
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uni.showToast({ title: '相机未就绪', icon: 'none' })
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return
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}
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this.$refs.cameraRef.takePhoto()
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},
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onPictureTaken(e) {
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var path = ''
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if (e.detail) {
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path = e.detail.path || ''
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}
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if (path) {
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this.capturedList.push(path)
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}
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},
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flipCamera() {
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this.facing = this.facing === 'back' ? 'front' : 'back'
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this.$refs.cameraRef.changeFacing(this.facing)
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},
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deletePhoto(idx) {
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this.capturedList.splice(idx, 1)
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},
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goBack() {
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if (this.capturedList.length > 0) {
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uni.showModal({
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title: '提示',
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content: '确定退出拍照？已拍照片将丢失',
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success: function(res) {
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if (res.confirm) { uni.navigateBack() }
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}
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})
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} else {
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uni.navigateBack()
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}
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},
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confirmCapture() {
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if (this.capturedList.length === 0) {
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uni.showToast({ title: '请先拍照', icon: 'none' })
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return
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}
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var pages = getCurrentPages()
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var prevPage = pages[pages.length - 2]
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if (prevPage) {
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prevPage.$vm.capturedPhotoList = this.capturedList
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}
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uni.navigateBack()
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}
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}
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}
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</script>
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<style>
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.cc-page {
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flex: 1;
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background-color: #000000;
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}
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/* 取景框（白色边框，视觉引导） */
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.cc-frame {
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position: absolute;
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border-width: 2rpx;
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border-color: rgba(255,255,255,0.5);
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border-style: solid;
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z-index: 4;
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background-color: transparent;
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}
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/* ═══ 顶部栏 ═══ */
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.cc-topbar {
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position: absolute;
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top: 0; left: 0; right: 0;
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height: 110px;
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padding-top: 50px;
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flex-direction: row;
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align-items: center;
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justify-content: space-between;
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padding-left: 24rpx;
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padding-right: 24rpx;
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z-index: 8;
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background: linear-gradient(to bottom, rgba(0,0,0,0.5), transparent);
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}
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.cc-topbar-left {
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width: 100rpx;
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}
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.cc-topbar-back {
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width: 80rpx; height: 80rpx;
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border-radius: 80rpx;
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background-color: rgba(0,0,0,0.35);
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align-items: center; justify-content: center;
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}
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.cc-back-icon {
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color: #ffffff;
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font-size: 44rpx;
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text-align: center;
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}
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.cc-topbar-center {
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flex: 1;
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align-items: center;
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}
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.cc-topbar-title {
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color: #ffffff;
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font-size: 40rpx;
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font-weight: 700;
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}
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.cc-topbar-right {
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flex-direction: row;
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align-items: center;
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}
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/* 翻转按钮（在右上角） */
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.cc-flip-btn {
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width: 84rpx; height: 84rpx;
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border-radius: 84rpx;
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border-width: 3rpx;
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border-color: rgba(255,255,255,0.3);
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border-style: solid;
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align-items: center; justify-content: center;
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background-color: rgba(0,0,0,0.25);
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}
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.cc-flip-icon {
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color: #ffffff;
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font-size: 44rpx;
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font-weight: 700;
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text-align: center;
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}
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/* ═══ 底部操作栏 ═══ */
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.cc-footer {
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position: absolute;
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bottom: 0; left: 0; right: 0;
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height: 240rpx;
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padding-bottom: 40rpx;
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flex-direction: row;
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align-items: center;
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justify-content: space-between;
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padding-left: 40rpx;
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padding-right: 40rpx;
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z-index: 8;
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background: linear-gradient(to top, rgba(0,0,0,0.6), transparent);
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}
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.cc-footer-left {
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flex-direction: row;
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align-items: center;
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flex: 1;
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}
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.cc-footer-center {
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align-items: center;
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justify-content: center;
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}
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.cc-footer-right {
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flex-direction: row;
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align-items: center;
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justify-content: flex-end;
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flex: 1;
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}
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/* 拍照按钮（放大） */
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.cc-capture-outer {
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width: 120rpx; height: 120rpx;
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border-radius: 120rpx;
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border-width: 6rpx;
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border-color: rgba(255,255,255,0.6);
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border-style: solid;
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align-items: center; justify-content: center;
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}
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.cc-capture-btn {
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width: 106rpx; height: 106rpx;
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border-radius: 106rpx;
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background-color: #ffffff;
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}
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.cc-capture-btn:active {
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background-color: #dddddd;
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}
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/* 完成按钮（在底部右侧） */
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.cc-confirm-btn {
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color: #ffffff;
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font-size: 30rpx;
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font-weight: 700;
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padding-left: 36rpx; padding-right: 36rpx;
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padding-top: 16rpx; padding-bottom: 16rpx;
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border-width: 2rpx;
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border-color: #ffffff;
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border-style: solid;
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background-color: transparent;
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lines: 1;
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}
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/* 缩略图预览（最新一张） */
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.cc-thumb-preview {
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width: 80rpx; height: 80rpx;
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border-radius: 10rpx;
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overflow: hidden;
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position: relative;
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border-width: 2rpx;
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border-color: rgba(255,255,255,0.3);
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border-style: solid;
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}
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.cc-thumb-last {
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width: 80rpx; height: 80rpx;
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}
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.cc-thumb-badge {
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position: absolute;
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top: -6rpx; right: -6rpx;
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min-width: 30rpx; height: 30rpx;
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border-radius: 30rpx;
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background-color: #409eff;
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color: #ffffff;
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font-size: 20rpx;
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text-align: center;
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line-height: 30rpx;
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padding-left: 4rpx; padding-right: 4rpx;
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}
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/* 缩略图横条 */
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.cc-thumb-bar {
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position: absolute;
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bottom: 260rpx; left: 0; right: 0;
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padding-left: 24rpx; padding-right: 24rpx;
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padding-top: 14rpx; padding-bottom: 14rpx;
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z-index: 8;
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}
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.cc-thumb-item {
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width: 120rpx; height: 120rpx;
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border-radius: 10rpx;
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overflow: hidden;
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position: relative;
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border-width: 2rpx;
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border-color: rgba(255,255,255,0.3);
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border-style: solid;
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margin-right: 16rpx;
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background-color: #333333;
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}
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.cc-thumb-img {
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width: 120rpx; height: 120rpx;
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}
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.cc-thumb-del {
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position: absolute;
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top: -8rpx; right: -8rpx;
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width: 40rpx; height: 40rpx;
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border-radius: 40rpx;
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background-color: rgba(0,0,0,0.55);
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align-items: center; justify-content: center;
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border-width: 2rpx;
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border-color: rgba(255,255,255,0.3);
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border-style: solid;
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}
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.cc-del-icon {
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color: #ffffff;
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font-size: 22rpx;
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}
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</style>
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