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refactor(commodity-detail): optimize performance and fix UI flicker issues

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1. add empty form tip for product message section
2. lazy load goods form to unblock initial page render
3. optimize category and tabbar rendering to fix flicker on WeChat mini-program
4. delay non-critical data processing to improve first-screen rendering speed
5. fix popup blank issue when opening product message form for the first time
This commit is contained in:
ZF Sun
2026-07-18 16:57:10 +08:00
parent 9d6c3218fb
commit a6091f6b68
9 changed files with 243 additions and 132 deletions
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164
components/loading-cover/loading-cover.vue
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@@ -42,82 +42,90 @@ export default {
};
</script>
<style lang="scss">
@keyframes spin {
from {
transform: rotate(0deg);
}
to {
transform: rotate(360deg);
}
}
.loading-layer {
width: 100%;
height: 100%;
position: fixed;
top: 0;
left: 0;
z-index: 997;
background: #f8f8f8;
}
.loading-anim {
position: absolute;
left: 50%;
top: 40%;
transform: translate(-50%, -50%);
}
.loading-anim > .item {
position: relative;
width: 70rpx;
height: 70rpx;
perspective: 1600rpx;
transform-style: preserve-3d;
transition: all 0.2s ease-out;
}
.loading-anim .border {
position: absolute;
border-radius: 50%;
border: 6rpx solid;
}
.loading-anim .out {
top: 15%;
left: 15%;
width: 70%;
height: 70%;
// P0: 硬编码主色 → var(--base-color),主题切换时 loading 主色跟着变
// 兼容: 微信小程序 / 鸿蒙元服务 — border-color 接受 var() 值无问题
// JS 端 :style 绑定已用 themeStyle.main_color 走 inline 风格(原行 9),CSS 端用 var() 双保险
border-left-color: var(--base-color, #FF4646);
border-right-color: #C5C5C5 !important;
// border-right-color: rgba($color: #000000, $alpha: 0) !important;
border-top-color: var(--base-color, #FF4646);
border-bottom-color: #C5C5C5 !important;
// border-bottom-color: rgba($color: #000000, $alpha: 0) !important;
animation: spin 0.6s linear normal infinite;
}
.loading-anim .in {
top: 25%;
left: 25%;
width: 50%;
height: 50%;
border-top-color: transparent !important;
border-bottom-color: transparent !important;
animation: spin 0.8s linear infinite;
}
.loading-anim .mid {
top: 40%;
left: 40%;
width: 20%;
height: 20%;
border-left-color: transparent;
border-right-color: transparent;
animation: spin 0.6s linear infinite;
}
<style lang="scss">
@keyframes spin {
from {
transform: rotate(0deg);
}
to {
transform: rotate(360deg);
}
}
.loading-layer {
width: 100%;
height: 100%;
position: fixed;
top: 0;
left: 0;
z-index: 997;
background: #f8f8f8;
// 修复: 强制合成层, 让 spin 动画只在自身合成层跑, 不触发兄弟节点 (尤其是底部 TabBar) 重绘
// 微信小程序 / 鸿蒙元服务下 z-index:997 < diy-bottom-nav 的 z-index:2147483647, 不会盖住 tabBar,
// 但 loading 动画每一帧仍会触发 mp 重绘, 关联到相邻 fixed 元素即可观察到 TabBar 频闪。
transform: translateZ(0);
-webkit-transform: translateZ(0);
will-change: transform;
}
.loading-anim {
position: absolute;
left: 50%;
top: 40%;
transform: translate(-50%, -50%);
}
.loading-anim > .item {
position: relative;
width: 70rpx;
height: 70rpx;
perspective: 1600rpx;
transform-style: preserve-3d;
transition: all 0.2s ease-out;
}
.loading-anim .border {
position: absolute;
border-radius: 50%;
border: 6rpx solid;
}
.loading-anim .out {
top: 15%;
left: 15%;
width: 70%;
height: 70%;
// P0: 硬编码主色 → var(--base-color),主题切换时 loading 主色跟着变
// 兼容: 微信小程序 / 鸿蒙元服务 — border-color 接受 var() 值无问题
// JS 端 :style 绑定已用 themeStyle.main_color 走 inline 风格(原行 9),CSS 端用 var() 双保险
border-left-color: var(--base-color, #FF4646);
border-right-color: #C5C5C5 !important;
// border-right-color: rgba($color: #000000, $alpha: 0) !important;
border-top-color: var(--base-color, #FF4646);
border-bottom-color: #C5C5C5 !important;
// border-bottom-color: rgba($color: #000000, $alpha: 0) !important;
animation: spin 0.6s linear normal infinite;
transform-origin: center center;
}
.loading-anim .in {
top: 25%;
left: 25%;
width: 50%;
height: 50%;
border-top-color: transparent !important;
border-bottom-color: transparent !important;
animation: spin 0.8s linear infinite;
transform-origin: center center;
}
.loading-anim .mid {
top: 40%;
left: 40%;
width: 20%;
height: 20%;
border-left-color: transparent;
animation: spin 0.6s linear infinite;
transform-origin: center center;
}
</style>