486 lines
11 KiB
Vue
486 lines
11 KiB
Vue
<template>
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<view class="avatar-page" :style="{ paddingTop: getBavBarHeight() + 'px' }">
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<view class="nav-bar">
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<view class="back" @tap="goBack">‹</view>
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<text class="nav-title-left">新春头像挂饰</text>
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</view>
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<view class="preview-card">
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<view class="preview-square">
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<image class="avatar-img" :src="currentAvatar" mode="aspectFill" />
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<image
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v-if="selectedFrame"
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class="frame-img"
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:src="selectedFrame"
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mode="aspectFill"
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/>
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<image
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v-if="selectedDecor"
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class="decor-img"
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:src="selectedDecor"
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mode="aspectFit"
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:style="decorStyle"
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@touchstart.stop="onTouchStart"
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@touchmove.stop="onTouchMove"
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@touchend.stop="onTouchEnd"
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/>
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</view>
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<text class="preview-tip">实时预览效果</text>
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</view>
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<view class="quick-actions">
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<button class="btn wechat" @tap="useWeChatAvatar">使用微信头像</button>
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</view>
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<view class="section">
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<view class="section-header">
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<text class="section-title">系统推荐头像</text>
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</view>
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<scroll-view scroll-x class="avatar-scroll" show-scrollbar="false">
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<view class="avatar-list">
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<view
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v-for="(item, i) in systemAvatars"
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:key="i"
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class="avatar-card"
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:class="{ active: currentAvatar === item }"
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@tap="currentAvatar = item"
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>
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<image :src="item" class="avatar-thumb" mode="aspectFill" />
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<view v-if="currentAvatar === item" class="check">✔</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 class="tabs">
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<view
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class="tab"
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:class="{ active: activeTab === 'frame' }"
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@tap="activeTab = 'frame'"
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>头像框</view
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>
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<view
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class="tab"
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:class="{ active: activeTab === 'decor' }"
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@tap="activeTab = 'decor'"
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>挂饰配件</view
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>
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</view>
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<view v-if="activeTab === 'frame'" class="grid">
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<view
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v-for="(frame, i) in frames"
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:key="i"
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class="grid-item"
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:class="{ active: selectedFrame === frame }"
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@tap="selectedFrame = frame"
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>
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<image :src="frame" class="grid-img" mode="aspectFill" />
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<view v-if="selectedFrame === frame" class="check">✔</view>
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</view>
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</view>
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<view v-else class="grid">
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<view
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v-for="(decor, i) in decors"
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:key="i"
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class="grid-item"
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:class="{ active: selectedDecor === decor }"
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@tap="selectedDecor = decor"
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>
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<image :src="decor" class="grid-img" mode="aspectFit" />
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<view v-if="selectedDecor === decor" class="check">✔</view>
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</view>
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</view>
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<view class="bottom-actions">
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<button class="btn primary" @tap="saveAndUse">保存并使用</button>
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<button class="btn secondary" @tap="share">分享</button>
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</view>
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<canvas
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canvas-id="avatarCanvas"
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class="hidden-canvas"
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style="width: 600px; height: 600px"
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/>
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<!-- Login Popup -->
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<LoginPopup ref="loginPopupRef" @logind="handleLogind" />
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</view>
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</template>
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<script setup>
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import { ref, computed } from "vue";
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import { getBavBarHeight } from "@/utils/system";
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import { useUserStore } from "@/stores/user";
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const userStore = useUserStore();
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const loginPopupRef = ref(null);
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const isLoggedIn = computed(() => !!userStore.userInfo.nickName);
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const systemAvatars = [
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"https://file.lihailezzc.com/20260109082842_666_1.jpg",
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"https://file.lihailezzc.com/20260108222141_644_1.jpg",
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"https://file.lihailezzc.com/9a929a32-439f-453b-b603-fda7b04cbe08.png",
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];
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const frames = [
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"https://file.lihailezzc.com/6.png",
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"https://file.lihailezzc.com/7.png",
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"https://file.lihailezzc.com/yunshi.png",
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"https://file.lihailezzc.com/x_CURXRzG4wHF2dp_zu_r-removebg-preview.png",
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];
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const decors = [
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"https://file.lihailezzc.com/6.png",
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"https://file.lihailezzc.com/7.png",
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];
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const currentAvatar = ref(systemAvatars[0]);
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const selectedFrame = ref("");
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const selectedDecor = ref("");
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const activeTab = ref("frame");
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// 挂饰状态
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const decorState = ref({
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x: 300, // 初始中心 X (rpx)
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y: 80, // 初始中心 Y (rpx)
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scale: 1,
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rotate: 0,
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});
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const decorStyle = computed(() => {
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return {
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transform: `translate(${decorState.value.x - 120}rpx, ${
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decorState.value.y - 120
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}rpx) rotate(${decorState.value.rotate}deg) scale(${
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decorState.value.scale
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})`,
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};
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});
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// 触摸状态
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let startTouches = [];
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let initialDecorState = {};
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const getDistance = (p1, p2) => {
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const x = p1.clientX - p2.clientX;
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const y = p1.clientY - p2.clientY;
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return Math.sqrt(x * x + y * y);
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};
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const getAngle = (p1, p2) => {
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const x = p1.clientX - p2.clientX;
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const y = p1.clientY - p2.clientY;
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return (Math.atan2(y, x) * 180) / Math.PI;
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};
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const onTouchStart = (e) => {
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startTouches = e.touches;
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initialDecorState = { ...decorState.value };
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};
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const onTouchMove = (e) => {
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if (e.touches.length === 1 && startTouches.length === 1) {
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// 单指移动
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const dx = e.touches[0].clientX - startTouches[0].clientX;
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const dy = e.touches[0].clientY - startTouches[0].clientY;
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// px 转 rpx
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const systemInfo = uni.getSystemInfoSync();
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const ratio = 750 / systemInfo.windowWidth;
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decorState.value.x = initialDecorState.x + dx * ratio;
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decorState.value.y = initialDecorState.y + dy * ratio;
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} else if (e.touches.length === 2 && startTouches.length === 2) {
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// 双指缩放/旋转
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const p1 = e.touches[0];
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const p2 = e.touches[1];
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const startP1 = startTouches[0];
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const startP2 = startTouches[1];
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const currentDist = getDistance(p1, p2);
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const startDist = getDistance(startP1, startP2);
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const currentAngle = getAngle(p1, p2);
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const startAngle = getAngle(startP1, startP2);
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decorState.value.scale =
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initialDecorState.scale * (currentDist / startDist);
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decorState.value.rotate =
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initialDecorState.rotate + (currentAngle - startAngle);
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}
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};
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const onTouchEnd = () => {
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// 可以在这里做边界检查等
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};
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const handleLogind = async () => {
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// Logic after successful login if needed
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};
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const useWeChatAvatar = () => {
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if (!isLoggedIn.value) {
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loginPopupRef.value.open();
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} else {
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currentAvatar.value = userStore.userInfo.avatarUrl;
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}
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};
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const goBack = () => {
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uni.navigateBack();
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};
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const saveAndUse = async () => {
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const ctx = uni.createCanvasContext("avatarCanvas");
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const size = 600;
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const avatarPath = await loadImage(currentAvatar.value);
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ctx.clearRect(0, 0, size, size);
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ctx.drawImage(avatarPath, 0, 0, size, size);
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if (selectedFrame.value) {
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const framePath = await loadImage(selectedFrame.value);
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ctx.drawImage(framePath, 0, 0, size, size);
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}
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if (selectedDecor.value) {
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const decorPath = await loadImage(selectedDecor.value);
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ctx.save();
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// 映射 rpx 坐标到 Canvas 坐标 (假设 1rpx = 1 unit for 600x600 canvas logic)
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// Canvas size is 600, Preview is 600rpx. Ratio is 1:1 in logical space.
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ctx.translate(decorState.value.x, decorState.value.y);
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ctx.rotate((decorState.value.rotate * Math.PI) / 180);
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const scale = decorState.value.scale;
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// 绘制图片，宽高 240
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ctx.drawImage(
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decorPath,
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-120 * scale,
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-120 * scale,
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240 * scale,
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240 * scale,
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);
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ctx.restore();
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}
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ctx.draw(false, () => {
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uni.canvasToTempFilePath({
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canvasId: "avatarCanvas",
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success: (res) => {
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uni.saveImageToPhotosAlbum({
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filePath: res.tempFilePath,
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success: () => {
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uni.showToast({ title: "已保存并设置", icon: "success" });
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},
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});
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},
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});
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});
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};
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const share = () => {
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uni.showToast({ title: "已生成，可在相册分享", icon: "none" });
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};
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const loadImage = (url) => {
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return new Promise((resolve, reject) => {
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uni.getImageInfo({
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src: url,
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success: (res) => resolve(res.path),
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fail: reject,
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});
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});
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};
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</script>
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<style lang="scss" scoped>
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.avatar-page {
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min-height: 100vh;
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background: #fff;
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box-sizing: border-box;
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padding-bottom: env(safe-area-inset-bottom);
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}
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.nav-bar {
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display: flex;
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align-items: center;
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padding: 16rpx 24rpx;
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}
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.back {
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font-size: 40rpx;
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margin-right: 12rpx;
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}
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.nav-title-left {
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font-size: 32rpx;
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font-weight: 600;
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}
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.preview-card {
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margin: 20rpx 24rpx;
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background: #fff;
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border-radius: 24rpx;
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padding: 24rpx;
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box-shadow: 0 8rpx 20rpx rgba(0, 0, 0, 0.06);
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}
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.preview-square {
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width: 600rpx;
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height: 600rpx;
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margin: 0 auto;
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border-radius: 24rpx;
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background: #f5dfc9;
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position: relative;
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overflow: hidden;
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}
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.avatar-img {
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position: absolute;
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inset: 0;
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width: 100%;
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height: 100%;
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}
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.frame-img {
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position: absolute;
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inset: 0;
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width: 100%;
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height: 100%;
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}
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.decor-img {
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position: absolute;
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top: 0;
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left: 0;
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width: 240rpx;
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height: 240rpx;
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/* 移除原有的 transform 和 center positioning，改为由 inline style 控制 */
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}
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.preview-tip {
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display: block;
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text-align: center;
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color: #999;
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font-size: 22rpx;
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margin-top: 12rpx;
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}
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.quick-actions {
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display: flex;
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gap: 16rpx;
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padding: 0 24rpx;
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margin-top: 8rpx;
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}
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.btn {
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height: 80rpx;
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border-radius: 999rpx;
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padding: 0 32rpx;
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font-size: 28rpx;
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}
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.btn.wechat {
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background: #ff3b30;
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color: #fff;
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}
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.section {
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margin-top: 24rpx;
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padding: 0 24rpx;
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}
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.section-header {
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display: flex;
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align-items: center;
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margin-bottom: 12rpx;
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}
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.section-title {
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font-size: 26rpx;
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font-weight: 600;
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}
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.avatar-scroll {
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width: 100%;
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}
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.avatar-list {
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display: flex;
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}
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.avatar-card {
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width: 160rpx;
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height: 160rpx;
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border-radius: 16rpx;
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overflow: hidden;
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margin-right: 16rpx;
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position: relative;
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background: #fff;
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box-shadow: 0 6rpx 16rpx rgba(0, 0, 0, 0.06);
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}
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.avatar-card.active {
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outline: 4rpx solid #ff3b30;
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}
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.avatar-thumb {
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width: 100%;
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height: 100%;
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}
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.check {
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position: absolute;
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right: 8rpx;
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top: 8rpx;
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width: 32rpx;
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height: 32rpx;
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border-radius: 50%;
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background: #ff3b30;
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color: #fff;
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display: flex;
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align-items: center;
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justify-content: center;
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font-size: 22rpx;
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}
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.tabs {
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display: flex;
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padding: 16rpx 24rpx 8rpx;
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gap: 12rpx;
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}
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.tab {
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flex: 1;
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text-align: center;
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background: #f7f7f7;
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border-radius: 999rpx;
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height: 64rpx;
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line-height: 64rpx;
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font-size: 26rpx;
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color: #666;
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}
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.tab.active {
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background: #fff0f0;
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color: #ff3b30;
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}
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.grid {
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display: grid;
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grid-template-columns: repeat(3, 1fr);
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gap: 16rpx;
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padding: 8rpx 24rpx 24rpx;
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}
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.grid-item {
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height: 200rpx;
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border-radius: 16rpx;
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background: #fff;
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overflow: hidden;
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position: relative;
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box-shadow: 0 6rpx 16rpx rgba(0, 0, 0, 0.06);
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}
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.grid-item.active {
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outline: 4rpx solid #ff3b30;
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}
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.grid-img {
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width: 100%;
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height: 100%;
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}
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.bottom-actions {
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display: flex;
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align-items: center;
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justify-content: space-between;
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padding: 20rpx 24rpx 40rpx;
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}
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.btn.primary {
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background: #ff3b30;
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color: #fff;
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box-shadow: 0 12rpx 24rpx rgba(255, 59, 48, 0.35);
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}
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.btn.secondary {
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background: #f5f5f5;
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color: #333;
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}
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.hidden-canvas {
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position: fixed;
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left: -9999px;
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top: -9999px;
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}
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</style>
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