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spring-festival-greetings/pages/make/index.vue

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2026-01-09 11:24:40 +08:00
<template>
<view class="make-page" :style="{ paddingTop: getBavBarHeight() + 'px' }">
<!-- 预览卡片 -->
<view class="card-preview">
<image class="card-bg" :src="currentTemplate.cover" mode="aspectFill" />
<view class="card-overlay">
<view class="title">
<text class="main">新春快乐</text>
<text class="sub">2026 YEAR OF THE HORSE</text>
</view>
<view class="bubble" @tap="editBlessing">
<text class="bubble-text">{{ blessingText }}</text>
</view>
<view class="user">
<image class="avatar" src="https://file.lihailezzc.com/resource/1463f294244c11cf274a5eaae115872a.jpeg" mode="aspectFill" />
<view class="user-info">
<text class="user-name">陈小明</text>
<text class="user-desc">送上祝福</text>
</view>
</view>
</view>
</view>
<view class="tip-line">
<text>点击卡片内容即可编辑</text>
</view>
<!-- 编辑工具区 -->
<view class="editor-panel">
<view class="drag-handle"></view>
<!-- 功能入口 -->
<view class="tools">
<view
v-for="(tool, idx) in tools"
:key="idx"
class="tool-item"
:class="{ active: activeTool === tool.type }"
@tap="activeTool = tool.type"
>
<view class="tool-icon">{{ tool.icon }}</view>
<text class="tool-text">{{ tool.text }}</text>
</view>
</view>
<!-- 模板区 -->
<view v-if="activeTool === 'template'" class="section">
<view class="section-title">
<text>热门模板</text>
<text class="more" @tap="showMore">查看更多 ></text>
</view>
<scroll-view scroll-x class="tpl-scroll" show-scrollbar="false">
<view class="tpl-wrap">
<view
v-for="(tpl, i) in templates"
:key="i"
class="tpl-card"
:class="{ selected: tpl.id === currentTemplate.id }"
@tap="applyTemplate(tpl)"
>
<image :src="tpl.cover" class="tpl-cover" mode="aspectFill" />
<view class="tpl-name">{{ tpl.name }}</view>
<view v-if="tpl.id === currentTemplate.id" class="tpl-check"></view>
</view>
</view>
</scroll-view>
</view>
<!-- 文字编辑 -->
<view v-if="activeTool === 'text'" class="section">
<view class="section-title"><text>编辑祝福语</text></view>
<textarea
class="text-area"
v-model="blessingText"
placeholder="请输入你的新春祝福语~"
:maxlength="100"
auto-height
show-confirm-bar="false"
/>
</view>
<!-- 图片/背景 -->
<view v-if="activeTool === 'image'" class="section">
<view class="section-title"><text>替换背景</text></view>
<view class="row">
<button class="btn" @tap="pickImage">从相册选择</button>
<button class="btn" @tap="resetBackground">重置为模板背景</button>
</view>
</view>
<!-- 头像挂饰 -->
<view v-if="activeTool === 'avatar'" class="section">
<view class="section-title"><text>头像挂饰</text></view>
<view class="row">
<button class="btn" @tap="toggleAvatarDecor">切换挂饰</button>
</view>
</view>
<!-- 底部操作 -->
<view class="bottom-actions">
<button class="btn secondary" @tap="preview">预览</button>
<button class="btn primary" @tap="shareOrSave">分享 / 保存</button>
</view>
</view>
<canvas
canvas-id="cardCanvas"
class="hidden-canvas"
style="width: 540px; height: 960px;"
/>
</view>
</template>
<script setup>
import { ref } from 'vue'
import { getBavBarHeight } from '@/utils/system'
const blessingText = ref('祝您在新的一年里:\n身体健康万事如意\n马到成功财源广进\n一马当先前程似锦\n龙马精神阖家安康\n骏马奔腾福运常在\n策马扬鞭步步高升!')
const tools = [
{ type: 'template', text: '模板', icon: '▦' },
{ type: 'text', text: '文字', icon: '文' },
{ type: 'image', text: '图片/背景', icon: '图' },
{ type: 'avatar', text: '头像挂饰', icon: '饰' }
]
const activeTool = ref('template')
const templates = ref([
{ id: 1, name: '金典红金', cover: 'https://file.lihailezzc.com/20260109082842_666_1.jpg' },
{ id: 2, name: '富贵花开', cover: 'https://file.lihailezzc.com/20260108222141_644_1.jpg' },
{ id: 3, name: '大气字法', cover: 'https://file.lihailezzc.com/20260108222141_644_1.jpg' },
{ id: 4, name: '萌趣马年', cover: 'https://file.lihailezzc.com/20260109082842_666_1.jpg' }
])
const currentTemplate = ref(templates.value[0])
const applyTemplate = (tpl) => {
currentTemplate.value = tpl
}
const editBlessing = () => {
uni.showModal({
title: '编辑祝福语',
editable: true,
content: blessingText.value,
success: ({ confirm, content }) => {
if (confirm && content !== undefined) blessingText.value = content
}
})
}
const pickImage = () => {
uni.chooseImage({
count: 1,
success: (res) => {
const path = res.tempFilePaths?.[0]
if (path) currentTemplate.value = { ...currentTemplate.value, cover: path }
}
})
}
const resetBackground = () => {
currentTemplate.value = templates.value[0]
}
const toggleAvatarDecor = () => {
uni.showToast({ title: '挂饰功能即将上线~', icon: 'none' })
}
const preview = () => {
uni.showToast({ title: '预览生成中…', icon: 'none' })
}
const shareOrSave = () => {
saveByCanvas()
uni.showToast({ title: '已保存到相册并可分享', icon: 'none' })
}
const showMore = () => {
uni.showToast({ title: '更多模板即将上线~', icon: 'none' })
}
const saveByCanvas = async () => {
const ctx = uni.createCanvasContext('cardCanvas')
// 画布尺寸rpx 转 px
const W = 540
const H = 960
// 1⃣ 画背景
// ⭐ 先加载背景图
const bgPath = await loadImage(currentTemplate.value.cover)
const avatarPath = await loadImage('https://file.lihailezzc.com/resource/1463f294244c11cf274a5eaae115872a.jpeg')
console.log(111111, bgPath)
ctx.drawImage(
bgPath,
0,
0,
W,
H
)
// 2⃣ 半透明遮罩(和你 UI 一致)
ctx.setFillStyle('rgba(0,0,0,0.08)')
ctx.fillRect(0, 0, W, H)
// 3⃣ 标题
ctx.setFillStyle('#ffffff')
ctx.setFontSize(42)
ctx.setTextAlign('center')
ctx.fillText('新春快乐', W / 2, 120)
ctx.setFontSize(22)
ctx.setGlobalAlpha(0.9)
ctx.fillText('2026 YEAR OF THE HORSE', W / 2, 165)
ctx.setGlobalAlpha(1)
// 4⃣ 祝福语气泡
drawBubbleText(ctx, {
text: blessingText.value,
x: 70,
y: 260,
maxWidth: 400,
fontSize: 32,
lineHeight: 46,
backgroundColor: 'rgba(255,255,255,0.85)'
})
// 5⃣ 用户信息
ctx.save()
ctx.beginPath()
ctx.arc(80, H - 80, 32, 0, Math.PI * 2)
ctx.clip()
ctx.drawImage(
avatarPath,
48,
H - 112,
64,
64
)
ctx.restore()
ctx.setFillStyle('#ffffff')
ctx.setFontSize(24)
ctx.fillText('zzc', 150, H - 85)
ctx.setFontSize(20)
ctx.setGlobalAlpha(0.6)
ctx.fillText('送上祝福', 150, H - 55)
ctx.setGlobalAlpha(1)
// 6⃣ 输出
ctx.draw(false, () => {
uni.canvasToTempFilePath({
canvasId: 'cardCanvas',
success: res => {
saveImage(res.tempFilePath)
}
})
})
}
const loadImage = (url) => {
return new Promise((resolve, reject) => {
uni.getImageInfo({
src: url,
success: res => {
resolve(res.path) // 本地路径
},
fail: err => {
reject(err)
}
})
})
}
const getImageInfo = (url) => {
return new Promise((resolve, reject) => {
uni.getImageInfo({
src: url,
success: resolve,
fail: reject
})
})
}
const drawImageCover = (ctx, imgPath, canvasW, canvasH, imgW, imgH) => {
const scale = Math.max(canvasW / imgW, canvasH / imgH)
const drawW = imgW * scale
const drawH = imgH * scale
const dx = (canvasW - drawW) / 2
const dy = (canvasH - drawH) / 2
ctx.drawImage(imgPath, dx, dy, drawW, drawH)
}
const saveImage = (path) => {
uni.saveImageToPhotosAlbum({
filePath: path,
success() {
uni.showToast({ title: '已保存到相册' })
},
fail() {
uni.showModal({
title: '提示',
content: '请授权保存到相册'
})
}
})
}
function drawBubbleText(ctx, options) {
const {
text,
x,
y,
maxWidth = 400,
padding = 84,
lineHeight = 42,
radius = 24,
backgroundColor = 'rgba(255,255,255,0.9)',
textColor = '#fff',
fontSize = 32,
fontFamily = 'PingFang SC'
} = options
if (!text) return
ctx.setFontSize(fontSize)
ctx.setFillStyle(textColor)
ctx.font = `${fontSize}px ${fontFamily}`
// 1⃣ 文本自动换行
const lines = []
let currentLine = ''
for (let i = 0; i < text.length; i++) {
const testLine = currentLine + text[i]
const metrics = ctx.measureText(testLine)
if (metrics.width > maxWidth - padding * 2) {
lines.push(currentLine)
currentLine = text[i]
} else {
currentLine = testLine
}
}
lines.push(currentLine)
// 2⃣ 计算气泡尺寸
const bubbleWidth =
Math.min(
maxWidth,
Math.max(
...lines.map(line => ctx.measureText(line).width)
) + padding * 2
)
const bubbleHeight = lines.length * lineHeight + padding * 2
// 3⃣ 绘制气泡(圆角矩形)
drawRoundRect(
ctx,
x,
y,
bubbleWidth,
bubbleHeight,
radius,
backgroundColor
)
// 4⃣ 绘制文字
ctx.setFillStyle(textColor)
lines.forEach((line, index) => {
ctx.fillText(
line,
x + padding,
y + padding + (index + 1) * lineHeight - 10
)
})
}
function drawRoundRect(ctx, x, y, w, h, r, color) {
ctx.beginPath()
// ctx.setFillStyle(color)
ctx.fillStyle = 'rgba(255,255,255,0.18)'
ctx.fill()
// 描边(非常关键)
ctx.strokeStyle = 'rgba(255,255,255,0.35)'
ctx.lineWidth = 1
ctx.stroke()
ctx.moveTo(x + r, y)
ctx.lineTo(x + w - r, y)
ctx.arcTo(x + w, y, x + w, y + r, r)
ctx.lineTo(x + w, y + h - r)
ctx.arcTo(x + w, y + h, x + w - r, y + h, r)
ctx.lineTo(x + r, y + h)
ctx.arcTo(x, y + h, x, y + h - r, r)
ctx.lineTo(x, y + r)
ctx.arcTo(x, y, x + r, y, r)
ctx.closePath()
ctx.fill()
}
</script>
<style lang="scss" scoped>
.make-page {
min-height: 100vh;
background: #fff;
box-sizing: border-box;
}
/* 卡片预览 */
.card-preview {
margin: 24rpx auto;
height: 960rpx;
width: 540rpx;
border-radius: 30rpx;
overflow: hidden;
position: relative;
box-shadow: 0 16rpx 40rpx rgba(0,0,0,0.12);
}
.card-bg {
width: 100%;
height: 100%;
}
.card-overlay {
position: absolute;
inset: 0;
padding: 30rpx;
color: #fff;
display: flex;
flex-direction: column;
align-items: center;
}
.card-overlay .title {
display: flex;
flex-direction: column;
align-items: center;
margin-top: 60rpx;
}
.title .main {
font-size: 42rpx;
font-weight: 700;
}
.title .sub {
margin-top: 8rpx;
font-size: 22rpx;
opacity: 0.9;
}
.bubble {
margin-top: 80rpx;
background: rgba(255, 255, 255, 0.18);
border: 1rpx solid rgba(255, 255, 255, 0.35);
border-radius: 26rpx;
padding: 40rpx;
max-width: 560rpx;
backdrop-filter: blur(10rpx);
}
.bubble-text {
font-size: 26rpx;
line-height: 1.6;
}
.user {
position: absolute;
bottom: 40rpx;
display: flex;
align-items: center;
background: rgba(255, 255, 255, 0.18);
border: 1rpx solid rgba(255, 255, 255, 0.35);
border-radius: 9999rpx;
padding: 15rpx;
padding-left: 20rpx;
padding-right: 20rpx;
}
.avatar {
width: 64rpx;
height: 64rpx;
border-radius: 50%;
margin-right: 14rpx;
border: 2rpx solid rgba(255,255,255,0.6);
}
.user .user-info{
display: flex;
flex-direction: column;
}
.user-name { font-size: 24rpx; font-weight: 600; }
.user-desc { font-size: 20rpx; opacity: 0.6; }
/* 顶部提示 */
.tip-line {
text-align: center;
color: #999;
font-size: 22rpx;
}
/* 编辑工具区 */
.editor-panel {
margin: 20rpx 24rpx 40rpx;
border-radius: 30rpx 30rpx 0 0;
background: #fff;
box-shadow: 0 -10rpx 30rpx rgba(0,0,0,0.06);
padding-bottom: env(safe-area-inset-bottom);
}
.drag-handle {
width: 120rpx; height: 8rpx; border-radius: 999rpx;
background: #eee; margin: 12rpx auto;
}
/* 工具入口 */
.tools {
display: grid;
grid-template-columns: repeat(4, 1fr);
padding: 16rpx 24rpx 8rpx;
}
.tool-item {
display: flex;
flex-direction: column;
align-items: center;
padding: 14rpx 0;
border-radius: 18rpx;
color: #666;
}
.tool-item.active {
background: #fff6f5;
color: #ff3b30;
}
.tool-icon {
width: 64rpx; height: 64rpx;
border-radius: 16rpx;
background: #fafafa;
display: flex; align-items: center; justify-content: center;
margin-bottom: 8rpx;
}
.tool-text { font-size: 22rpx; }
/* 模板区 */
.section { padding: 12rpx 24rpx 0; }
.section-title {
display: flex; align-items: center;
}
.section-title .more {
margin-left: auto;
color: #ff3b30;
font-size: 24rpx;
}
.tpl-scroll { margin-top: 12rpx; }
.tpl-wrap { display: flex; }
.tpl-card {
width: 180rpx; height: 240rpx;
border-radius: 18rpx; overflow: hidden;
background: #fff; margin-right: 16rpx;
position: relative;
box-shadow: 0 8rpx 20rpx rgba(0,0,0,0.06);
}
.tpl-card.selected { outline: 4rpx solid #ff3b30; }
.tpl-cover { width: 100%; height: 160rpx; }
.tpl-name {
font-size: 22rpx; color: #333;
padding: 8rpx 12rpx;
}
.tpl-check {
position: absolute; right: 10rpx; top: 10rpx;
width: 36rpx; height: 36rpx; border-radius: 50%;
background: #ff3b30; color: #fff; font-size: 22rpx;
display: flex; align-items: center; justify-content: center;
}
/* 按钮区 */
.bottom-actions {
display: flex; align-items: center; justify-content: space-between;
padding: 20rpx 24rpx 30rpx;
}
.btn {
height: 88rpx; border-radius: 999rpx; padding: 0 40rpx;
font-size: 28rpx;
}
.btn.secondary {
background: #f5f5f5; color: #333;
}
.btn.primary {
background: #ff3b30; color: #fff;
box-shadow: 0 12rpx 24rpx rgba(255,59,48,0.35);
}
.hidden-canvas {
position: fixed;
left: -9999px;
top: -9999px;
}
</style>