feat(share): 个人推广更换背景图
This commit is contained in:
woody
parent
20b8a20ae0
commit
29cd1c40e1
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@ -20,7 +20,7 @@ module.exports = vm => {
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//#ifdef DEV_SERVER
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console.log('DEV_SERVER')
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config.baseURL = 'http://t-app.beida777.com/prod-api'
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config.baseURL = 'http://localhost:8080'
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//#endif
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//#ifdef QA_SERVER
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@ -3532,7 +3532,7 @@
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},
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"node_modules/html2canvas": {
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"version": "1.4.1",
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"resolved": "https://registry.npmmirror.com/html2canvas/-/html2canvas-1.4.1.tgz",
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"resolved": "https://registry.npmjs.org/html2canvas/-/html2canvas-1.4.1.tgz",
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"integrity": "sha512-fPU6BHNpsyIhr8yyMpTLLxAbkaK8ArIBcmZIRiBLiDhjeqvXolaEmDGmELFuX9I4xDcaKKcJl+TKZLqruBbmWA==",
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"license": "MIT",
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"dependencies": {
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@ -1,7 +1,9 @@
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<template>
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<view class="share-container">
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<!-- This is the content that will be shared as an image -->
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<view class="share-content" :class="{ 'is-loaded': isLoaded }">
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<view id="shareContainer" class="share-container">
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<!-- Portal Frame: The main content to be saved. -->
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<view class="portal-frame" :class="{ 'is-loaded': isLoaded }">
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<!-- The single, robust QR Code card -->
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<view class="qr-code-outer">
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<image
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class="qr-code"
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:src="qrCodeImage"
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@ -13,13 +15,11 @@
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</view>
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</view>
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<button
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class="share-button"
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:class="{ 'is-loaded': isLoaded }"
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@click="sharePage"
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>
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<!-- The real, clickable button -->
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<button class="share-button" @click="sharePage" v-show="shareButtonShow">
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保存图片并分享
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</button>
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</view>
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<!-- Canvas for generating the share image, positioned off-screen -->
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<canvas
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@ -35,6 +35,7 @@
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</template>
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<script>
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import html2canvas from 'html2canvas'
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import { getShareCode } from '@/config/share'
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export default {
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@ -44,8 +45,9 @@ export default {
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qrCodeImage: '',
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// Set canvas dimensions. It's better to get device screen width for this.
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canvasWidth: 375,
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canvasHeight: 550,
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canvasHeight: 800,
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isLoaded: false,
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shareButtonShow: true,
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}
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},
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onLoad() {
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@ -54,8 +56,8 @@ export default {
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uni.getSystemInfo({
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success: res => {
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this.canvasWidth = res.windowWidth
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// Adjust height proportionally or keep it fixed
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this.canvasHeight = res.windowWidth * 1.4
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// Set canvas height to a fixed 800px as requested
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this.canvasHeight = 800
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},
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})
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},
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@ -98,68 +100,273 @@ export default {
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})
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return
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}
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this.shareButtonShow = false
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uni.showLoading({ title: '正在生成图片...' })
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try {
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const tempImagePath = await this.base64ToTempFilePath(this.qrCodeImage)
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if (!tempImagePath) {
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throw new Error('图片处理失败')
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// --- Button Swap Logic ---
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this.shareButtonShow = false
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// Wait for DOM to update with the fake button
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await this.$nextTick()
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// #ifdef H5
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// Capture the entire container as requested
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await this.captureWithHtml2Canvas()
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// #endif
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// #ifndef H5
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// Draw the entire container using Canvas
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await this.generateImageWithCanvas()
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// #endif
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} catch (error) {
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uni.hideLoading()
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uni.showToast({ title: '图片生成失败，请稍后重试', icon: 'none' })
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console.error('sharePage error:', error)
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} finally {
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// --- Always swap back to the real button ---
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this.shareButtonShow = true
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}
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},
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// --- H5-specific method ---
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captureWithHtml2Canvas() {
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return new Promise((resolve, reject) => {
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// #ifdef H5
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// Target the entire #shareContainer as per instruction
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const element = document.getElementById('shareContainer')
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if (!element) {
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uni.hideLoading()
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return reject(new Error('Share container element not found'))
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}
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html2canvas(element, {
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useCORS: true,
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allowTaint: true,
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backgroundColor: null,
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scale: window.devicePixelRatio || 2,
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logging: false,
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})
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.then(canvas => {
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this.saveImageToAlbum(canvas.toDataURL('image/png', 1.0))
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resolve()
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})
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.catch(err => {
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console.error('html2canvas capture failed:', err)
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reject(err)
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})
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// #endif
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})
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},
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// A robust canvas-based image generation for all platforms
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async generateImageWithCanvas() {
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try {
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// Load all required images before drawing
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const [bgImageTempPath, qrCodeTempPath] = await Promise.all([
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this.getLocalImageTempPath('/static/images/share-bg.png'),
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this.base64ToTempFilePath(this.qrCodeImage),
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])
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if (!bgImageTempPath || !qrCodeTempPath) {
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throw new Error('Image resource failed to load')
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}
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const ctx = uni.createCanvasContext('shareCanvas', this)
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this.drawShareImage(ctx, tempImagePath)
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// Draw the entire scene to the canvas
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this.drawSceneToCanvas(ctx, bgImageTempPath, qrCodeTempPath)
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return new Promise(resolve => {
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setTimeout(() => {
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ctx.draw(false, () => {
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setTimeout(() => {
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this.saveCanvasToAlbum()
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resolve()
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}, 500)
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})
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}, 100)
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})
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} catch (error) {
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uni.hideLoading()
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uni.showToast({ title: error.message || '图片生成失败', icon: 'none' })
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console.error('sharePage error:', error)
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console.error('generateImageWithCanvas error:', error)
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throw error
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}
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},
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drawShareImage(ctx, tempImagePath) {
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// Main drawing function to replicate the entire scene on canvas
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drawSceneToCanvas(ctx, bgPath, qrPath) {
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const canvasWidth = this.canvasWidth
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const canvasHeight = this.canvasHeight
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const canvasHeight = this.canvasHeight // Fixed at 800px
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// White background
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ctx.fillStyle = '#FFFFFF'
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ctx.fillRect(0, 0, canvasWidth, canvasHeight)
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// 1. Draw background image
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ctx.drawImage(bgPath, 0, 0, canvasWidth, canvasHeight)
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// Title
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ctx.setFontSize(22)
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ctx.fillStyle = '#1e1e1e'
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ctx.textAlign = 'center'
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ctx.fillText('扫码注册', canvasWidth / 2, 70)
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// 2. Draw portal frame (calculations for centering)
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const portalWidth = canvasWidth * 0.85
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const portalPadding = 20
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// The white card's width is the portal's inner width
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const cardWidth = portalWidth - portalPadding * 2
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// The card is a square, so its height is its width
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const cardHeight = cardWidth
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const buttonHeight = 50
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const buttonMargin = 20
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const portalHeight =
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portalPadding * 2 + cardHeight + buttonMargin + buttonHeight
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const portalX = (canvasWidth - portalWidth) / 2
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const portalY = (canvasHeight - portalHeight) / 2
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this.drawPortalFrame(ctx, portalX, portalY, portalWidth, portalHeight)
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// QR Code Image
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const qrCodeSize = canvasWidth * 0.7
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const qrCodeX = (canvasWidth - qrCodeSize) / 2
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const qrCodeY = 120
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ctx.drawImage(tempImagePath, qrCodeX, qrCodeY, qrCodeSize, qrCodeSize)
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// 3. Draw the white QR card
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const cardX = portalX + portalPadding
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const cardY = portalY + portalPadding
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this.drawQrCodeCard(ctx, cardX, cardY, cardWidth, cardHeight)
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// Tip text
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ctx.setFontSize(15)
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ctx.fillStyle = '#888'
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ctx.textAlign = 'center'
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ctx.fillText(
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'扫描二维码，即可完成操作',
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canvasWidth / 2,
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qrCodeY + qrCodeSize + 50
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// 4. Draw the FAKE button to match the CSS
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const buttonX = cardX
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const buttonY = cardY + cardHeight + buttonMargin
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this.drawStyledButton(
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ctx,
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buttonX,
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buttonY,
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cardWidth,
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buttonHeight,
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'保存图片并分享'
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)
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// 5. Draw the actual QR image (or loader placeholder) on top
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// If qrPath is null/empty, this block is skipped, leaving the white card empty (like a placeholder)
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if (qrPath) {
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// Padding inside the white card
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const imagePadding = cardWidth * 0.1
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const qrCodeSize = cardWidth - imagePadding * 2
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const qrCodeX = cardX + imagePadding
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const qrCodeY = cardY + imagePadding
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ctx.drawImage(qrPath, qrCodeX, qrCodeY, qrCodeSize, qrCodeSize)
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} else {
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// Draw loader manually if QR is not available
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// This part is complex, for now we show an empty card which is better than broken UI
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}
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},
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// Helper: Draws the portal frame to match CSS
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drawPortalFrame(ctx, x, y, width, height) {
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const radius = 25 // 50rpx
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ctx.save()
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this.drawRoundedRect(ctx, x, y, width, height, radius)
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// Frosted glass effect
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const portalGradient = ctx.createLinearGradient(x, y, x, y + height)
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portalGradient.addColorStop(0, 'rgba(255, 255, 255, 0.4)')
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portalGradient.addColorStop(1, 'rgba(255, 255, 255, 0.2)')
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ctx.fillStyle = portalGradient
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ctx.fill()
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// Inner glow border
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ctx.shadowColor = 'rgba(255, 255, 255, 0.5)'
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ctx.shadowBlur = 10
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ctx.strokeStyle = 'rgba(255, 255, 255, 0.6)'
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ctx.lineWidth = 1.5
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ctx.stroke()
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ctx.restore()
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},
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// New/Refactored Helper: Draws the single white QR Code card
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drawQrCodeCard(ctx, x, y, width, height) {
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const borderRadius = 20 // 40rpx
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ctx.save()
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this.drawRoundedRect(ctx, x, y, width, height, borderRadius)
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// Card background
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ctx.fillStyle = 'rgba(255, 255, 255, 0.98)'
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// Card shadow
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ctx.shadowColor = 'rgba(50, 50, 90, 0.1)'
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ctx.shadowBlur = 30
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ctx.shadowOffsetY = 15
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ctx.fill()
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// Card border
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ctx.strokeStyle = '#f0f0f0'
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ctx.lineWidth = 1
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ctx.stroke()
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ctx.restore()
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},
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// Helper: Draws the styled button
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drawStyledButton(ctx, x, y, width, height, text) {
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const radius = height / 2
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ctx.save()
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this.drawRoundedRect(ctx, x, y, width, height, radius)
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// Background gradient
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const gradient = ctx.createLinearGradient(x, y, x + width, y)
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gradient.addColorStop(0, '#0ff0fc')
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gradient.addColorStop(0.5, '#0072ff')
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gradient.addColorStop(1, '#00c6ff')
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ctx.fillStyle = gradient
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// Shadow
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ctx.shadowColor = 'rgba(0, 114, 255, 0.35)'
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ctx.shadowBlur = 20
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ctx.shadowOffsetY = 8
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ctx.fill()
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ctx.restore()
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// Text
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ctx.save()
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ctx.fillStyle = '#ffffff'
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ctx.font = '17px sans-serif'
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ctx.textAlign = 'center'
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ctx.textBaseline = 'middle'
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ctx.fillText(text, x + width / 2, y + height / 2)
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ctx.restore()
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},
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// Helper: Draw a rectangle with rounded corners
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drawRoundedRect(ctx, x, y, width, height, radius) {
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if (width < 2 * radius) radius = width / 2
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if (height < 2 * radius) radius = height / 2
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ctx.beginPath()
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ctx.moveTo(x + radius, y)
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ctx.arcTo(x + width, y, x + width, y + height, radius)
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ctx.arcTo(x + width, y + height, x, y + height, radius)
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ctx.arcTo(x, y + height, x, y, radius)
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ctx.arcTo(x, y, x + width, y, radius)
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ctx.closePath()
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},
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saveCanvasToAlbum() {
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uni.canvasToTempFilePath(
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{
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try {
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// 统一的canvas转换参数
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const options = {
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canvasId: 'shareCanvas',
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fileType: 'png',
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quality: 1,
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success: res => {
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console.log('canvas转换成功:', res)
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if (res.tempFilePath) {
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this.saveImageToAlbum(res.tempFilePath)
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} else {
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uni.hideLoading()
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uni.showToast({ title: '图片生成失败', icon: 'none' })
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}
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},
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fail: err => {
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console.error('canvas转换失败:', err)
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uni.hideLoading()
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uni.showToast({ title: '图片转换失败', icon: 'none' })
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},
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}
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// 调用canvas转换API
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uni.canvasToTempFilePath(options, this)
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} catch (error) {
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console.error('saveCanvasToAlbum error:', error)
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uni.hideLoading()
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uni.showToast({ title: '保存失败', icon: 'none' })
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}
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},
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// 新增：统一的图片保存方法
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saveImageToAlbum(filePath) {
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// #ifdef H5
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// For H5, trigger download instead of saving to album
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const link = document.createElement('a')
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link.href = res.tempFilePath
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link.download = `share_qrcode_${Date.now()}.png`
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link.href = filePath
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link.download = `share_page_${Date.now()}.png`
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document.body.appendChild(link)
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link.click()
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document.body.removeChild(link)
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@ -173,7 +380,7 @@ export default {
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// #ifndef H5
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// For App and Mini Programs
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uni.saveImageToPhotosAlbum({
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filePath: res.tempFilePath,
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filePath: filePath,
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success: () => {
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uni.hideLoading()
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uni.showToast({
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@ -195,9 +402,7 @@ export default {
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success: () => {
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uni.openSetting({
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success(settingdata) {
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if (
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settingdata.authSetting['scope.writePhotosAlbum']
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) {
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if (settingdata.authSetting['scope.writePhotosAlbum']) {
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uni.showToast({
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title: '授权成功，请重试',
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icon: 'none',
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@ -220,18 +425,10 @@ export default {
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})
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// #endif
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},
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fail: err => {
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uni.hideLoading()
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uni.showToast({ title: '图片转换失败', icon: 'none' })
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console.error('canvasToTempFilePath fail:', err)
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},
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},
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this
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)
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},
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base64ToTempFilePath(base64) {
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return new Promise((resolve, reject) => {
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try {
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// #ifdef H5
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// For H5, we load the base64 into an Image to ensure it's valid,
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// but resolve with the base64 string to avoid Uniapp's internal errors
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@ -252,10 +449,22 @@ export default {
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// #ifndef H5
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// For App and Mini Programs, write to a temp file and return the path.
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if (!base64 || typeof base64 !== 'string') {
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reject(new Error('无效的base64数据'))
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return
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}
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const formattedBase64 = base64.replace(/^data:image\/\w+;base64,/, '')
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if (!formattedBase64) {
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reject(new Error('base64数据格式错误'))
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return
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}
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// Use a standard path for user data directory.
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const filePath = `${uni.env.USER_DATA_PATH}/share_${Date.now()}.png`
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uni.getFileSystemManager().writeFile({
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const fileManager = uni.getFileSystemManager()
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fileManager.writeFile({
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filePath,
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data: formattedBase64,
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encoding: 'base64',
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@ -268,6 +477,10 @@ export default {
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},
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})
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// #endif
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} catch (error) {
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console.error('base64ToTempFilePath error:', error)
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reject(new Error('图片处理失败'))
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}
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})
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},
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},
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@ -276,13 +489,15 @@ export default {
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<style lang="scss" scoped>
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.share-container {
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justify-content: center;
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background: url('@/static/images/share-bg.jpg') no-repeat center center;
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background: url('@/static/images/share-bg.png') no-repeat center center;
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background-size: 100% 100%;
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height: calc(100vh - 80rpx);
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box-sizing: border-box;
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position: relative;
|
||||
overflow: hidden;
|
||||
display: flex;
|
||||
flex-direction: column;
|
||||
align-items: center;
|
||||
}
|
||||
.share-bg {
|
||||
width: 100%;
|
||||
|
|
@ -293,22 +508,28 @@ export default {
|
|||
}
|
||||
}
|
||||
|
||||
.share-content {
|
||||
border-radius: 30rpx;
|
||||
.portal-frame {
|
||||
/* Restyled to match the ideal screenshot */
|
||||
background: rgba(255, 255, 255, 0.25);
|
||||
backdrop-filter: blur(20px);
|
||||
-webkit-backdrop-filter: blur(20px);
|
||||
padding: 40rpx;
|
||||
margin-top: 450rpx;
|
||||
border-radius: 50rpx;
|
||||
border: 1.5px solid rgba(255, 255, 255, 0.6);
|
||||
box-shadow:
|
||||
0 0 0 1.5px rgba(255, 255, 255, 0.4) inset,
|
||||
0 15rpx 40rpx rgba(0, 0, 0, 0.1);
|
||||
display: flex;
|
||||
width: 90%;
|
||||
box-sizing: border-box;
|
||||
|
||||
flex-direction: column;
|
||||
align-items: center;
|
||||
width: 100%;
|
||||
// 垃圾小米适配
|
||||
margin-top: 480rpx;
|
||||
position: relative;
|
||||
z-index: 2;
|
||||
opacity: 0;
|
||||
|
||||
overflow: hidden;
|
||||
/* Removed margin-top, parent container handles centering */
|
||||
}
|
||||
|
||||
.share-content.is-loaded {
|
||||
.portal-frame.is-loaded {
|
||||
opacity: 1;
|
||||
transform: translateY(0);
|
||||
}
|
||||
|
|
@ -320,22 +541,37 @@ export default {
|
|||
margin-bottom: 60rpx;
|
||||
}
|
||||
|
||||
/* The single white card for the QR code */
|
||||
.qr-code-outer {
|
||||
width: 100%;
|
||||
/* This creates a responsive square that's always perfect */
|
||||
aspect-ratio: 1 / 1;
|
||||
background: rgba(255, 255, 255, 0.98);
|
||||
border-radius: 40rpx;
|
||||
box-shadow: 0px 15rpx 30rpx rgba(50, 50, 90, 0.1);
|
||||
border: 1px solid #f0f0f0;
|
||||
display: flex;
|
||||
align-items: center;
|
||||
justify-content: center;
|
||||
padding: 30rpx; /* Padding inside the white card */
|
||||
box-sizing: border-box;
|
||||
}
|
||||
|
||||
/* The image and the placeholder both live inside the outer card */
|
||||
.qr-code,
|
||||
.qr-code-placeholder {
|
||||
width: 100%;
|
||||
height: 100%;
|
||||
}
|
||||
|
||||
.qr-code {
|
||||
width: 450rpx;
|
||||
height: 450rpx;
|
||||
margin-bottom: 30rpx;
|
||||
border-radius: 16rpx;
|
||||
}
|
||||
|
||||
.qr-code-placeholder {
|
||||
width: 450rpx;
|
||||
height: 450rpx;
|
||||
background-color: #f0f2f5;
|
||||
display: flex;
|
||||
align-items: center;
|
||||
justify-content: center;
|
||||
margin-bottom: 30rpx;
|
||||
border-radius: 16rpx;
|
||||
}
|
||||
|
||||
.loader {
|
||||
|
|
@ -358,93 +594,33 @@ export default {
|
|||
color: #888;
|
||||
}
|
||||
|
||||
/* Unified style for both the real button and the fake one (which is a view) */
|
||||
.share-button {
|
||||
// 垃圾小米适配
|
||||
margin-top: 20rpx;
|
||||
width: 450rpx;
|
||||
background:
|
||||
linear-gradient(100deg, #0ff0fc 0%, #0072ff 50%, #00c6ff 100%),
|
||||
linear-gradient(
|
||||
180deg,
|
||||
rgba(255, 255, 255, 0.35) 0%,
|
||||
rgba(0, 0, 0, 0.05) 100%
|
||||
);
|
||||
background-blend-mode: lighten, normal;
|
||||
margin-top: 40rpx;
|
||||
width: 100%; /* Button takes full width of portal frame padding */
|
||||
height: 100rpx;
|
||||
line-height: 100rpx;
|
||||
color: #fff;
|
||||
border-radius: 50rpx;
|
||||
font-size: 34rpx;
|
||||
height: 100rpx;
|
||||
line-height: 100rpx;
|
||||
box-shadow:
|
||||
0 8rpx 32rpx 0 rgba(0, 255, 255, 0.35),
|
||||
0 2rpx 8rpx 0 #00eaff99,
|
||||
0 1.5rpx 0.5rpx 0 #00eaff inset,
|
||||
0 0 0 4rpx #fff3 inset;
|
||||
border: 2.5rpx solid #00eaff;
|
||||
outline: 2rpx solid #fff8;
|
||||
outline-offset: -4rpx;
|
||||
position: relative;
|
||||
overflow: hidden;
|
||||
z-index: 2;
|
||||
opacity: 0;
|
||||
transform: translateY(40rpx);
|
||||
transition:
|
||||
transform 0.6s cubic-bezier(0.25, 1, 0.5, 1) 0.1s,
|
||||
opacity 0.6s ease 0.1s;
|
||||
/* 立体感 */
|
||||
text-shadow:
|
||||
0 2rpx 8rpx #00eaff,
|
||||
0 1rpx 0 #fff;
|
||||
/* Match the gradient from canvas drawing */
|
||||
background: linear-gradient(100deg, #0ff0fc 0%, #0072ff 50%, #00c6ff 100%);
|
||||
box-shadow: 0 8rpx 20rpx 0 rgba(0, 114, 255, 0.35);
|
||||
border: none;
|
||||
padding: 0;
|
||||
text-align: center;
|
||||
/* Add transition for the button itself if needed */
|
||||
}
|
||||
|
||||
.share-button::before {
|
||||
content: '';
|
||||
position: absolute;
|
||||
left: -75%;
|
||||
top: 0;
|
||||
width: 50%;
|
||||
height: 100%;
|
||||
background: linear-gradient(
|
||||
120deg,
|
||||
rgba(255, 255, 255, 0.2) 0%,
|
||||
rgba(0, 255, 255, 0.5) 50%,
|
||||
rgba(255, 255, 255, 0.2) 100%
|
||||
);
|
||||
filter: blur(2px);
|
||||
transform: skewX(-20deg);
|
||||
animation: flowing-light 2.2s linear infinite;
|
||||
pointer-events: none;
|
||||
}
|
||||
|
||||
@keyframes flowing-light {
|
||||
0% {
|
||||
left: -75%;
|
||||
}
|
||||
100% {
|
||||
left: 125%;
|
||||
}
|
||||
}
|
||||
|
||||
.share-button::after {
|
||||
content: '';
|
||||
position: absolute;
|
||||
inset: 0;
|
||||
border-radius: 50rpx;
|
||||
box-shadow:
|
||||
0 0 24rpx 4rpx #00eaff66,
|
||||
0 0 60rpx 0 #00c6ff33,
|
||||
0 0 0 4rpx #fff6 inset;
|
||||
pointer-events: none;
|
||||
z-index: 1;
|
||||
}
|
||||
|
||||
.share-button.is-loaded {
|
||||
opacity: 1;
|
||||
transform: translateY(0);
|
||||
/* The real button needs to override some uni-app defaults */
|
||||
button.share-button {
|
||||
padding: 0;
|
||||
line-height: 100rpx; /* Ensure text is centered vertically */
|
||||
border: none;
|
||||
}
|
||||
|
||||
.share-button:active {
|
||||
transform: translateY(2rpx);
|
||||
box-shadow: 0 6rpx 12rpx rgba(0, 255, 255, 0.3);
|
||||
box-shadow: 0 6rpx 12rpx rgba(0, 114, 255, 0.3);
|
||||
}
|
||||
</style>
|
||||
|
|
|
|||
Binary file not shown.
|
After Width: | Height: | Size: 2.1 MiB |
Loading…
Reference in New Issue