Browse Source
1. 新增actPoster页面用于生成和分享活动海报 2. 修复活动分类筛选参数格式问题，改为用逗号连接的字符串 3. 优化活动列表和详情页的活动状态标签样式，新增状态分类配色 4. 完善活动报名、签到的逻辑判断条件 5. 优化首页布局，替换静态数据为接口请求的动态数据 6. 优化活动详情页的评论点赞逻辑和分享跳转逻辑 7. 新增活动报名成功页的用户订阅状态判断和二维码展示master
kola-web
1 week ago
20 changed files with 798 additions and 138 deletions
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After Width: | Height: | Size: 2.5 MiB |
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After Width: | Height: | Size: 1.6 KiB |
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{ |
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"component": true, |
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"usingComponents": { |
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"van-icon": "@vant/weapp/icon/index" |
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} |
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} |
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.page-back { |
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font-size: 32rpx; |
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color: #fff; |
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} |
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.page { |
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height: 1627rpx; |
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box-sizing: border-box; |
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padding: 396rpx 70rpx 0; |
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.poster { |
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display: block; |
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height: 458rpx; |
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border-radius: 32rpx; |
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} |
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.title { |
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margin-top: 32rpx; |
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font-size: 40rpx; |
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line-height: 56rpx; |
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color: rgba(17, 24, 39, 1); |
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font-weight: bold; |
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height: 168rpx; |
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overflow: hidden; |
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text-overflow: ellipsis; |
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display: -webkit-box; |
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-webkit-box-orient: vertical; |
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-webkit-line-clamp: 3; |
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} |
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.user { |
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margin-top: 74rpx; |
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display: flex; |
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align-items: center; |
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gap: 20rpx; |
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.avatar { |
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flex-shrink: 0; |
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width: 92rpx; |
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height: 92rpx; |
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border-radius: 50%; |
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} |
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.wrap { |
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flex: 1; |
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.name { |
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font-size: 28rpx; |
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color: rgba(74, 184, 253, 1); |
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line-height: 38rpx; |
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} |
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.date { |
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margin-top: 8rpx; |
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font-size: 24rpx; |
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color: rgba(148, 163, 184, 1); |
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} |
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} |
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.code { |
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margin-right: 12rpx; |
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flex-shrink: 0; |
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width: 104rpx; |
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height: 104rpx; |
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} |
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} |
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} |
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.footer { |
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position: fixed; |
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top: 1330rpx; |
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left: 0; |
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width: 100%; |
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box-sizing: border-box; |
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padding: 0 40rpx; |
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display: flex; |
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align-items: center; |
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gap: 30rpx; |
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.btn { |
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flex: 1; |
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height: 96rpx; |
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background: #ffffff; |
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border-radius: 16rpx 16rpx 16rpx 16rpx; |
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font-size: 32rpx; |
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color: rgba(74, 184, 253, 1); |
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display: flex; |
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align-items: center; |
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justify-content: center; |
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} |
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.share-btn { |
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// 重置button默认样式 |
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padding: 0; |
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margin: 0; |
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border: none; |
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line-height: normal; |
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background: #ffffff; |
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&::after { |
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border: none; |
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} |
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} |
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} |
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Page({ |
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data: { |
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posterImage: '', // 生成的海报图片路径
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// Canvas尺寸 - 根据页面实际尺寸计算（rpx转px，750rpx = 375px）
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canvasWidth: 375, |
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canvasHeight: 814, // 1627rpx ≈ 813.5px
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}, |
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onLoad(_options: { id?: string }) { |
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// 可以根据活动ID获取活动信息
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}, |
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onReady() { |
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// 页面渲染完成
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}, |
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// 绘制海报
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async drawPoster(): Promise<string> { |
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try { |
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wx.showLoading({ title: '生成中...' }) |
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// 等待页面渲染完成
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await new Promise(resolve => setTimeout(resolve, 300)) |
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// 获取canvas实例
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const canvasNode = await new Promise<any>((resolve, reject) => { |
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const query = this.createSelectorQuery() |
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query.select('#posterCanvas') |
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.fields({ node: true, size: true }) |
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.exec((res) => { |
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if (res && res[0] && res[0].node) { |
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resolve(res[0]) |
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} else { |
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console.error('Canvas查询失败，结果:', res) |
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reject(new Error('Canvas未找到或未渲染')) |
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} |
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}) |
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}) |
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const canvas = canvasNode.node |
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const ctx = canvas.getContext('2d') |
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// 设置canvas尺寸
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const dpr = wx.getSystemInfoSync().pixelRatio |
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canvas.width = this.data.canvasWidth * dpr |
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canvas.height = this.data.canvasHeight * dpr |
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ctx.scale(dpr, dpr) |
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// rpx转px计算（750rpx = 375px）
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const rpx2px = (rpx: number) => rpx * 0.5 |
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// 绘制背景 - 覆盖整个Canvas
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const bgImage = canvas.createImage() |
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bgImage.src = `${this.data.imageUrl}bg7.png?t=${this.data.Timestamp}` |
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await new Promise((resolve, reject) => { |
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bgImage.onload = resolve |
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bgImage.onerror = reject |
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}) |
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ctx.drawImage(bgImage, 0, 0, this.data.canvasWidth, this.data.canvasHeight) |
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// 绘制海报图片
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// 页面样式：padding: 396rpx 70rpx 0; poster高度458rpx
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const posterTop = rpx2px(396) // 198px
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const posterLeft = rpx2px(70) // 35px
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const posterWidth = this.data.canvasWidth - posterLeft * 2 // 305px
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const posterHeight = rpx2px(458) // 229px
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const posterImage = canvas.createImage() |
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posterImage.src = `${this.data.imageUrl}bg1.png?t=${this.data.Timestamp}` |
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await new Promise((resolve, reject) => { |
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posterImage.onload = resolve |
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posterImage.onerror = reject |
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}) |
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ctx.drawImage(posterImage, posterLeft, posterTop, posterWidth, posterHeight) |
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// 绘制标题
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// 页面样式：margin-top: 32rpx; font-size: 40rpx; line-height: 56rpx; height: 168rpx
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const titleTop = posterTop + posterHeight + rpx2px(32) // 198 + 229 + 16 = 443px
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const titleFontSize = rpx2px(40) // 20px
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const titleLineHeight = rpx2px(56) // 28px
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const titleMaxWidth = posterWidth // 305px
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ctx.fillStyle = 'rgba(17, 24, 39, 1)' |
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ctx.font = `bold ${titleFontSize}px sans-serif` |
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ctx.textAlign = 'left' |
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const title = '深职大第十五届校园歌手大赛深职大第十五届校园歌手大赛深职大第十五届校园歌手大赛' |
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// 文字换行处理
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this.drawText(ctx, title, posterLeft, titleTop + titleFontSize, titleMaxWidth, titleLineHeight) |
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// 绘制用户信息区域
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// 页面样式：margin-top: 74rpx; avatar: 92rpx; gap: 20rpx
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const userTop = titleTop + rpx2px(168) + rpx2px(74) // 443 + 84 + 37 = 564px
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const avatarSize = rpx2px(92) // 46px
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const gap = rpx2px(20) // 10px
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const avatarImage = canvas.createImage() |
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avatarImage.src = `${this.data.imageUrl}bg1.png?t=${this.data.Timestamp}` |
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await new Promise((resolve, reject) => { |
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avatarImage.onload = resolve |
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avatarImage.onerror = reject |
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}) |
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// 绘制头像（圆形）
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ctx.save() |
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ctx.beginPath() |
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ctx.arc(posterLeft + avatarSize / 2, userTop + avatarSize / 2, avatarSize / 2, 0, 2 * Math.PI) |
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ctx.clip() |
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ctx.drawImage(avatarImage, posterLeft, userTop, avatarSize, avatarSize) |
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ctx.restore() |
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// 绘制用户名和日期
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// 页面样式：name font-size: 28rpx; date font-size: 24rpx; margin-top: 8rpx
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const nameLeft = posterLeft + avatarSize + gap // 35 + 46 + 10 = 91px
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const nameFontSize = rpx2px(28) // 14px
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const dateFontSize = rpx2px(24) // 12px
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const dateMarginTop = rpx2px(8) // 4px
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ctx.fillStyle = 'rgba(74, 184, 253, 1)' |
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ctx.font = `${nameFontSize}px sans-serif` |
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ctx.textAlign = 'left' |
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ctx.fillText('亚南邀请您参与活动', nameLeft, userTop + nameFontSize + 5) |
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ctx.fillStyle = 'rgba(148, 163, 184, 1)' |
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ctx.font = `${dateFontSize}px sans-serif` |
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ctx.fillText('2023年7月15日 18:30', nameLeft, userTop + nameFontSize + dateMarginTop + dateFontSize + 5) |
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// 绘制二维码
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// 页面样式：code: 104rpx; margin-right: 12rpx
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const qrSize = rpx2px(104) // 52px
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const qrRightMargin = rpx2px(12) // 6px
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const qrLeft = this.data.canvasWidth - posterLeft - qrSize - qrRightMargin // 375 - 35 - 52 - 6 = 282px
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const qrImage = canvas.createImage() |
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qrImage.src = `${this.data.imageUrl}bg1.png?t=${this.data.Timestamp}` |
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await new Promise((resolve, reject) => { |
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qrImage.onload = resolve |
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qrImage.onerror = reject |
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}) |
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ctx.drawImage(qrImage, qrLeft, userTop, qrSize, qrSize) |
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wx.hideLoading() |
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// 将canvas转化为图片
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const tempFilePath = await wx.canvasToTempFilePath({ |
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canvas, |
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width: this.data.canvasWidth, |
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height: this.data.canvasHeight, |
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destWidth: this.data.canvasWidth * dpr, |
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destHeight: this.data.canvasHeight * dpr, |
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}) |
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this.setData({ posterImage: tempFilePath.tempFilePath }) |
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return tempFilePath.tempFilePath |
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} catch (error) { |
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wx.hideLoading() |
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console.error('绘制海报失败', error) |
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throw error |
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} |
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}, |
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// 文字换行绘制
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drawText(ctx: any, text: string, x: number, y: number, maxWidth: number, lineHeight: number) { |
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const chars = text.split('') |
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let line = '' |
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let lineCount = 0 |
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for (let i = 0; i < chars.length; i++) { |
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const testLine = line + chars[i] |
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const metrics = ctx.measureText(testLine) |
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if (metrics.width > maxWidth && i > 0) { |
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ctx.fillText(line, x, y + lineCount * lineHeight) |
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line = chars[i] |
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lineCount++ |
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} else { |
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line = testLine |
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} |
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} |
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ctx.fillText(line, x, y + lineCount * lineHeight) |
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}, |
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// 保存海报
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async handleSavePoster() { |
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try { |
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const posterPath = await this.drawPoster() |
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// 保存图片到相册
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await wx.saveImageToPhotosAlbum({ filePath: posterPath }) |
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wx.showToast({ title: '保存成功', icon: 'success' }) |
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} catch (error: any) { |
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console.error('保存海报失败', error) |
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if (error.errMsg && error.errMsg.includes('auth deny')) { |
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wx.showModal({ |
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title: '提示', |
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content: '需要授权保存图片到相册', |
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success: (res) => { |
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if (res.confirm) { |
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wx.openSetting() |
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} |
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}, |
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}) |
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} else { |
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wx.showToast({ title: '保存失败', icon: 'error' }) |
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} |
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} |
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}, |
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// 分享给好友
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onShareAppMessage() { |
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return { |
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title: '深职大第十五届校园歌手大赛', |
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path: '/pages/actDetail/index?id=123', |
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imageUrl: this.data.posterImage || '', |
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} |
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}, |
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handleBack() { |
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wx.navigateBack() |
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}, |
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}) |
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export {} |
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<navbar fixed customStyle="background:{{background}};"> |
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<van-icon class="page-back" name="arrow-left" slot="left" bind:tap="handleBack" /> |
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</navbar> |
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<!-- 海报展示区域 --> |
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<view class="poster-container" id="posterContainer"> |
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<view class="page" style="background: url('{{imageUrl}}bg7.png?t={{Timestamp}}') no-repeat top center/100%"> |
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<image class="poster" mode="aspectFill" src="{{imageUrl}}bg1.png?t={{Timestamp}}"></image> |
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<view class="title">深职大第十五届校园歌手大赛深职大第十五届校园歌手大赛深职大第十五届校园歌手大赛</view> |
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<view class="user"> |
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<image class="avatar" mode="aspectFill" src="{{imageUrl}}bg1.png?t={{Timestamp}}"></image> |
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<view class="wrap"> |
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<view class="name">亚南邀请您参与活动</view> |
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<view class="date">2023年7月15日 18:30</view> |
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</view> |
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<image class="code" src="{{imageUrl}}bg1.png?t={{Timestamp}}"></image> |
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</view> |
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</view> |
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</view> |
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<!-- Canvas用于绘制海报 - 确保在页面中可见以便正确渲染 --> |
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<canvas |
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type="2d" |
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id="posterCanvas" |
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style="position: fixed; left: 0; top: 100vh; width: 375px; height: 814px; visibility: hidden;" |
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></canvas> |
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<view class="footer"> |
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<view class="btn" bind:tap="handleSavePoster">保存海报</view> |
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<button class="btn share-btn" open-type="share">分享给好友</button> |
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</view> |
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