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QXTstore/QXTfront/uni_modules/lime-tabbar/components/l-tabbar/l-tabbar.uvue

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2025-11-05 17:34:23 +08:00
<template>
<view ref="rootRef" :class="classes" :style="[styles, lStyle]">
<slot></slot>
</view>
<view v-if="fixed && placeholder" :style="{height: rootHeight + 'px'}"></view>
</template>
<script lang="uts" setup>
/**
* Tabbar 底部导航栏组件
* @description 用于实现应用底部导航功能,支持多种样式风格和交互效果
* <br>插件类型LTabbarComponentPublicInstance
* @tutorial https://ext.dcloud.net.cn/plugin?name=lime-tabbar
*
* @property {boolean} bordered 显示外边框默认true
* @property {boolean} fixed 固定在底部默认true
* @property {boolean} safeAreaInsetBottom 适配iPhoneX底部安全区默认true
* @property {'normal' | 'round'} shape 标签栏形状(默认:"normal"
* @value normal
* @value round
* @property {boolean} split 显示分割线默认true
* @property {'normal' | 'tag'} theme 选项风格(默认:"normal"
* @value normal
* @value tag
* @property {string} value 当前选中值(兼容旧版)
* @property {string} defaultValue 默认选中值(非受控属性)
* @property {string} modelValue 当前选中值推荐使用v-model
* @property {boolean} placeholder 固定时生成占位元素默认false
* @property {string} activeColor 选中项颜色(默认:主题色)
* @property {string} color 未选中项颜色(默认:"#7d7e80"
* @property {string} lStyle 自定义样式CSS字符串
* @property {string} activeBgColor 选中项背景色
* @property {string} bgColor 背景颜色
* @property {number} zIndex 层级默认100
* @property {string} iconSize 图标尺寸支持CSS单位
* @property {string} fontSize 文字大小支持CSS单位
* @event {Function} change 选项变化时触发(返回选中值)
*/
import { addUnit } from '@/uni_modules/lime-shared/addUnit';
import { TabbarProps, TabbarProvide } from './type'
const name = 'l-tabbar'
const emit = defineEmits(['change', 'update:modelValue'])
const props = withDefaults(defineProps<TabbarProps>(), {
bordered: true,
fixed: true,
safeAreaInsetBottom: true,
shape: 'normal',
theme: 'normal',
split: true,
placeholder: true,
// #ifdef APP-ANDROID || APP-IOS
// color: 'rgba(0,0,0,0.8)',
// activeColor: '#3283ff'
// #endif
});
const innerValue = ref('0');
const activeValue = computed({
set(value: string) {
emit('change', value)
emit('update:modelValue', value)
innerValue.value = value
},
get():string {
return props.value ?? props.modelValue ?? innerValue.value
}
} as WritableComputedOptions<string>);
const defaultIndex = ref(-1)
// @ts-ignore
const children = ref<LTabbarItemComponentPublicInstance[]>([])
const rootRef = ref<UniElement|null>(null)
const rootHeight = ref(0)
// const safeAreaBottom = uni.getWindowInfo().safeAreaInsets.bottom;
const classes = computed(():Map<string, any>=>{
const cls = new Map<string, any>();
cls.set(`${name}`, true)
cls.set(`${name}--bordered`, props.bordered)
cls.set(`${name}--fixed`, props.fixed)
cls.set(`${name}--safe`, props.safeAreaInsetBottom)
cls.set(`${name}--${props.shape}`, true)
return cls
})
const styles = computed(():Map<string, any>=>{
const style = new Map<string, any>();
if(props.zIndex != null) {
style.set('z-index', props.zIndex!)
}
if(props.bgColor != null) {
style.set('background', props.bgColor!)
}
// if(props.safeAreaInsetBottom && safeAreaBottom > 0){
// const size = addUnit(safeAreaBottom)
// if (props.shape == 'normal') {
// style.set('padding-bottom', size)
// }
// if (props.fixed && props.shape == 'round') {
// style.set('bottom', size)
// }
// }
return style
})
const updateChild = (currentValue: string)=>{
activeValue.value = currentValue
}
provide('limeTabbar', {
props,
defaultIndex,
activeValue,
updateChild,
children
} as TabbarProvide)
onMounted(()=>{
if (!props.placeholder) return;
nextTick(()=>{
rootRef.value?.getBoundingClientRectAsync()?.then(res => {
rootHeight.value = res.height
})
// rootHeight.value = rootRef.value?.offsetHeight??0
})
})
</script>
<style lang="scss">
@import './index-u';
</style>