城阳工作端uniH5前端代码
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<template>
<uni-shadow-root class="vant-tabs-index"><view :class="'custom-class '+(utils.bem('tabs', [type]))">
<van-sticky :disabled="(!sticky)" :z-index="zIndex" :offset-top="offsetTop" :container="container" @scroll="onTouchScroll">
<view :class="(utils.bem('tabs__wrap', { scrollable }))+' '+(type === 'line' && border ? 'van-hairline--top-bottom' : '')">
<slot name="nav-left"></slot>
<scroll-view :scroll-x="scrollable" scroll-with-animation :scroll-left="scrollLeft" :class="utils.bem('tabs__scroll', [type])" :style="color ? 'border-color: ' + color : ''">
<view :class="(utils.bem('tabs__nav', [type]))+' nav-class'">
<view v-if="type === 'line'" class="van-tabs__line" :style="lineStyle"></view>
<view v-for="(item,index) in (tabs)" :key="item.index" :data-index="index" :class="(getters.tabClass(index === currentIndex, ellipsis))+' '+(utils.bem('tab', { active: index === currentIndex, disabled: item.disabled, complete: !ellipsis }))" :style="getters.tabStyle(index === currentIndex, ellipsis, color, type, item.disabled, titleActiveColor, titleInactiveColor, swipeThreshold, scrollable)" @click="onTap">
<view :class="ellipsis ? 'van-ellipsis' : ''" :style="item.titleStyle">
{{ item.title }}
<van-info v-if="item.info !== null || item.dot" :info="item.info" :dot="item.dot" custom-class="van-tab__title__info"></van-info>
</view>
</view>
</view>
</scroll-view>
<slot name="nav-right"></slot>
</view>
</van-sticky>
<view class="van-tabs__content" @touchstart="onTouchStart" @touchmove="onTouchMove" @touchend="onTouchEnd" @touchcancel="onTouchEnd">
<view :class="(utils.bem('tabs__track', [{ animated }]))+' van-tabs__track'" :style="trackStyle">
<slot></slot>
</view>
</view>
</view></uni-shadow-root>
</template>
<wxs src="../wxs/utils.wxs" module="utils"></wxs><wxs src="./index.wxs" module="getters"></wxs>
<script>
import VanInfo from '../info/index.vue'
import VanSticky from '../sticky/index.vue'
global['__wxVueOptions'] = {components:{'van-info': VanInfo,'van-sticky': VanSticky}}
global['__wxRoute'] = 'vant/tabs/index'
import { VantComponent } from '../common/component';
import { touch } from '../mixins/touch';
import { isDef, addUnit } from '../common/utils';
VantComponent({
mixins: [touch],
classes: ['nav-class', 'tab-class', 'tab-active-class', 'line-class'],
relation: {
name: 'tab',
type: 'descendant',
linked(target) {
target.index = this.children.length;
this.children.push(target);
this.updateTabs();
},
unlinked(target) {
this.children = this.children
.filter((child) => child !== target)
.map((child, index) => {
child.index = index;
return child;
});
this.updateTabs();
}
},
props: {
color: {
type: String,
observer: 'setLine'
},
sticky: Boolean,
animated: {
type: Boolean,
observer() {
this.setTrack();
this.children.forEach((child) => child.updateRender());
}
},
swipeable: Boolean,
lineWidth: {
type: [String, Number],
value: -1,
observer: 'setLine'
},
lineHeight: {
type: [String, Number],
value: -1,
observer: 'setLine'
},
titleActiveColor: String,
titleInactiveColor: String,
active: {
type: [String, Number],
value: 0,
observer(name) {
if (name !== this.getCurrentName()) {
this.setCurrentIndexByName(name);
}
}
},
type: {
type: String,
value: 'line'
},
border: {
type: Boolean,
value: true
},
ellipsis: {
type: Boolean,
value: true
},
duration: {
type: Number,
value: 0.3
},
zIndex: {
type: Number,
value: 1
},
swipeThreshold: {
type: Number,
value: 4,
observer(value) {
this.setData({
scrollable: this.children.length > value || !this.data.ellipsis
});
}
},
offsetTop: {
type: Number,
value: 0
},
lazyRender: {
type: Boolean,
value: true
},
},
data: {
tabs: [],
lineStyle: '',
scrollLeft: 0,
scrollable: false,
trackStyle: '',
currentIndex: null,
container: null
},
beforeCreate() {
this.children = [];
},
mounted() {
this.setData({
container: () => this.createSelectorQuery().select('.van-tabs')
});
this.setLine(true);
this.setTrack();
this.scrollIntoView();
},
methods: {
updateTabs() {
const { children = [], data } = this;
this.setData({
tabs: children.map((child) => child.data),
scrollable: this.children.length > data.swipeThreshold || !data.ellipsis
});
this.setCurrentIndexByName(this.getCurrentName() || data.active);
},
trigger(eventName) {
const { currentIndex } = this.data;
const child = this.children[currentIndex];
if (!isDef(child)) {
return;
}
this.$emit(eventName, {
index: currentIndex,
name: child.getComputedName(),
title: child.data.title
});
},
onTap(event) {
const { index } = event.currentTarget.dataset;
const child = this.children[index];
if (child.data.disabled) {
this.trigger('disabled');
}
else {
this.setCurrentIndex(index);
wx.nextTick(() => {
this.trigger('click');
});
}
},
// correct the index of active tab
setCurrentIndexByName(name) {
const { children = [] } = this;
const matched = children.filter((child) => child.getComputedName() === name);
if (matched.length) {
this.setCurrentIndex(matched[0].index);
}
},
setCurrentIndex(currentIndex) {
const { data, children = [] } = this;
if (!isDef(currentIndex) ||
currentIndex >= children.length ||
currentIndex < 0) {
return;
}
children.forEach((item, index) => {
const active = index === currentIndex;
if (active !== item.data.active || !item.inited) {
item.updateRender(active, this);
}
});
if (currentIndex === data.currentIndex) {
return;
}
const shouldEmitChange = data.currentIndex !== null;
this.setData({ currentIndex });
wx.nextTick(() => {
this.setLine();
this.setTrack();
this.scrollIntoView();
this.trigger('input');
if (shouldEmitChange) {
this.trigger('change');
}
});
},
getCurrentName() {
const activeTab = this.children[this.data.currentIndex];
if (activeTab) {
return activeTab.getComputedName();
}
},
setLine(skipTransition) {
if (this.data.type !== 'line') {
return;
}
const { color, duration, currentIndex, lineWidth, lineHeight } = this.data;
this.getRect('.van-tab', true).then((rects = []) => {
const rect = rects[currentIndex];
if (rect == null) {
return;
}
const width = lineWidth !== -1 ? lineWidth : rect.width / 2;
const height = lineHeight !== -1
? `height: ${addUnit(lineHeight)}; border-radius: ${addUnit(lineHeight)};`
: '';
let left = rects
.slice(0, currentIndex)
.reduce((prev, curr) => prev + curr.width, 0);
left += (rect.width - width) / 2;
const transition = skipTransition
? ''
: `transition-duration: ${duration}s; -webkit-transition-duration: ${duration}s;`;
this.setData({
lineStyle: `
${height}
width: ${addUnit(width)};
background-color: ${color};
-webkit-transform: translateX(${left}px);
transform: translateX(${left}px);
${transition}
`
});
});
},
setTrack() {
const { animated, duration, currentIndex } = this.data;
if (!animated) {
return;
}
this.setData({
trackStyle: `
transform: translate3d(${-100 * currentIndex}%, 0, 0);
-webkit-transition-duration: ${duration}s;
transition-duration: ${duration}s;
`
});
},
// scroll active tab into view
scrollIntoView() {
const { currentIndex, scrollable } = this.data;
if (!scrollable) {
return;
}
Promise.all([
this.getRect('.van-tab', true),
this.getRect('.van-tabs__nav')
]).then(([tabRects, navRect]) => {
const tabRect = tabRects[currentIndex];
const offsetLeft = tabRects
.slice(0, currentIndex)
.reduce((prev, curr) => prev + curr.width, 0);
this.setData({
scrollLeft: offsetLeft - (navRect.width - tabRect.width) / 2
});
});
},
onTouchScroll(event) {
this.$emit('scroll', event.detail);
},
onTouchStart(event) {
if (!this.data.swipeable)
return;
this.touchStart(event);
},
onTouchMove(event) {
if (!this.data.swipeable)
return;
this.touchMove(event);
},
// watch swipe touch end
onTouchEnd() {
if (!this.data.swipeable)
return;
const { tabs, currentIndex } = this.data;
const { direction, deltaX, offsetX } = this;
const minSwipeDistance = 50;
if (direction === 'horizontal' && offsetX >= minSwipeDistance) {
if (deltaX > 0 && currentIndex !== 0) {
this.setCurrentIndex(currentIndex - 1);
}
else if (deltaX < 0 && currentIndex !== tabs.length - 1) {
this.setCurrentIndex(currentIndex + 1);
}
}
}
}
});
export default global['__wxComponents']['vant/tabs/index']
</script>
<style platform="mp-weixin">
@import '../common/index.css';.van-tabs{position:relative;-webkit-tap-highlight-color:transparent}.van-tabs__wrap{display:-webkit-flex;display:flex;overflow:hidden}.van-tabs__wrap--scrollable .van-tab{-webkit-flex:0 0 22%;flex:0 0 22%}.van-tabs__scroll{background-color:#fff;background-color:var(--tabs-nav-background-color,#fff)}.van-tabs__scroll--line{box-sizing:initial;height:calc(100% + 15px)}.van-tabs__scroll--card{margin:0 16px;margin:0 var(--padding-md,16px)}.van-tabs__nav{position:relative;display:-webkit-flex;display:flex;-webkit-user-select:none;user-select:none}.van-tabs__nav--card{box-sizing:border-box;height:30px;height:var(--tabs-card-height,30px);border:1px solid #ee0a24;border:var(--border-width-base,1px) solid var(--tabs-default-color,#ee0a24);border-radius:2px;border-radius:var(--border-radius-sm,2px)}.van-tabs__nav--card .van-tab{color:#ee0a24;color:var(--tabs-default-color,#ee0a24);line-height:28px;line-height:calc(var(--tabs-card-height, 30px) - 2*var(--border-width-base, 1px));border-right:1px solid #ee0a24;border-right:var(--border-width-base,1px) solid var(--tabs-default-color,#ee0a24)}.van-tabs__nav--card .van-tab:last-child{border-right:none}.van-tabs__nav--card .van-tab.van-tab--active{color:#fff;color:var(--white,#fff);background-color:#ee0a24;background-color:var(--tabs-default-color,#ee0a24)}.van-tabs__nav--card .van-tab--disabled{color:#c8c9cc;color:var(--tab-disabled-text-color,#c8c9cc)}.van-tabs__line{position:absolute;bottom:0;left:0;z-index:1;height:3px;height:var(--tabs-bottom-bar-height,3px);border-radius:3px;border-radius:var(--tabs-bottom-bar-height,3px);background-color:#ee0a24;background-color:var(--tabs-bottom-bar-color,#ee0a24)}.van-tabs__track{position:relative;width:100%;height:100%}.van-tabs__track--animated{display:-webkit-flex;display:flex;transition-property:-webkit-transform;transition-property:transform;transition-property:transform,-webkit-transform}.van-tabs__content{overflow:hidden}.van-tabs--line .van-tabs__wrap{height:44px;height:var(--tabs-line-height,44px)}.van-tabs--card .van-tabs__wrap{height:30px;height:var(--tabs-card-height,30px)}.van-tab{position:relative;-webkit-flex:1;flex:1;box-sizing:border-box;min-width:0;padding:0 5px;text-align:center;cursor:pointer;color:#646566;color:var(--tab-text-color,#646566);font-size:14px;font-size:var(--tab-font-size,14px);line-height:44px;line-height:var(--tabs-line-height,44px)}.van-tab--active{font-weight:500;font-weight:var(--font-weight-bold,500);color:#323233;color:var(--tab-active-text-color,#323233)}.van-tab--disabled{color:#c8c9cc;color:var(--tab-disabled-text-color,#c8c9cc)}.van-tab--complete{-webkit-flex:1 0 auto!important;flex:1 0 auto!important}.van-tab__title__info{position:relative!important;top:-1px!important;display:inline-block;-webkit-transform:translateX(0)!important;transform:translateX(0)!important}
</style>