index.vue
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<template>
<view class="button-bar">
<view v-if="showMoreButton" class="more-link" @click="toggleMore">更多</view>
<view class="button-grid" :style="{ gridTemplateColumns: gridColumns }">
<view v-for="(btn, idx) in visibleButtons" :key="idx" class="action-button" :class="buttonClass(btn)" :style="buttonStyle(btn)" @click="emitClick(btn)">{{ btn.text }}</view>
</view>
<view v-if="moreVisible" class="popover-mask" @click="closeMore"></view>
<view v-if="moreVisible" class="more-popover" :style="popoverStyle()">
<view v-for="(btn, idx) in moreButtons" :key="idx" class="menu-item" :class="menuClass(btn)" @click="emitMoreClick(btn)">{{ btn.text }}</view>
</view>
</view>
</template>
<script>
export default {
name: 'DetailButtons',
props: {
buttons: { type: Array, default: () => [] }
},
data() {
return { moreVisible: false }
},
computed: {
effectiveButtons() {
const list = this.buttons || []
return list.filter(it => it && it.visible !== false)
},
showMoreButton() {
return (this.effectiveButtons || []).length >= 4
},
visibleButtons() {
const list = this.effectiveButtons || []
if (list.length <= 3) return list
return list.slice(0, 2)
},
moreButtons() {
const list = this.effectiveButtons || []
return list.length >= 4 ? list.slice(2) : []
},
gridColumns() {
const len = (this.effectiveButtons || []).length
if (this.showMoreButton) return '1fr 1fr'
if (len <= 1) return '1fr'
if (len === 2) return '1fr 1fr'
return '1fr 1fr 1fr'
}
},
methods: {
toggleMore() { this.moreVisible = !this.moreVisible },
closeMore() { this.moreVisible = false },
emitClick(btn) {
if (!btn || btn.disabled) return
this.$emit('click', btn)
},
emitMoreClick(btn) { this.emitClick(btn); this.closeMore() },
buttonClass(btn) {
const v = (btn && btn.variant) || 'outline'
let cls = ''
if (v === 'primary') cls = 'action-button--primary'
else if (v === 'danger') cls = 'action-button--danger'
else cls = 'action-button--outline'
if (btn && btn.disabled) cls += ' is-disabled'
return cls
},
buttonStyle(btn) { return (btn && btn.style) ? btn.style : {} },
menuClass(btn) {
const v = (btn && btn.variant) || 'outline'
if (v === 'danger') return 'menu-item--danger'
return 'menu-item--primary'
},
menuStyle(btn) { return (btn && btn.style) ? btn.style : {} },
popoverStyle() { return { left: '24rpx' } }
}
}
</script>
<style lang="scss" scoped>
.button-bar {
position: fixed;
left: 0;
right: 0;
bottom: 0;
background: #fff;
padding: 32rpx;
box-shadow: 0 -8rpx 24rpx rgba(0, 0, 0, 0.03);
padding-bottom: calc(32rpx + env(safe-area-inset-bottom));
display: flex;
align-items: center;
gap: 24rpx;
position: fixed;
z-index: 10;
}
.more-link {
color: $theme-primary;
font-size: 28rpx;
line-height: 1;
padding: 20rpx 0;
}
.button-grid {
flex: 1;
display: grid;
gap: 16rpx;
}
.action-button {
text-align: center;
height: 80rpx;
line-height: 80rpx;
border-radius: 12rpx;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
.action-button--outline {
border: 2rpx solid $theme-primary; color: $theme-primary; background: #fff;
line-height: 78rpx;
}
.action-button--primary {
border: 2rpx solid $theme-primary; background: $theme-primary; color: #fff;
line-height: 78rpx;
}
.action-button--danger {
border: 2rpx solid #ff4d4f; background: #ff4d4f; color: #fff;
line-height: 78rpx;
}
.is-disabled { opacity: 0.5; }
.popover-mask {
position: fixed;
left: 0;
right: 0;
top: 0;
bottom: 0;
background: transparent;
z-index: 9;
}
.more-popover {
position: absolute;
bottom: calc(100% + 12rpx);
background: #fff;
border-radius: 12rpx;
box-shadow: 0 8rpx 24rpx rgba(0, 0, 0, 0.06);
padding: 8rpx 0;
min-width: 360rpx;
z-index: 11;
}
.menu-item {
padding: 16rpx 20rpx;
font-size: 28rpx;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
.menu-item--primary { color: $theme-primary; }
.menu-item--danger { color: #ff4d4f; }
</style>