本文实例为大家分享了vue插件tab选项卡的使用方法，供大家参考，具体内容如下

基本用法

<template> <tab :options="tabOpt" :state.sync="stateIndex"></tab></template><script type="text/babel"> import tab from 'components/tab_touch'; export default { data(){ tabOpt:undefined, stateIndex:0 }, components:{ "tab":tab }, ready(){ this.tabOpt={ count: 2.3, pin:true, htmls:[ "<span>白日登山</span>", "<span>望烽火</span>", "<span>黄昏饮马</span>", "<span>傍交河</span>", "<span>行人刁斗</span>", "<span>风沙暗</span>", "<span>公主琵琶</span>", "<span>幽怨多</span>", "<span>野营万里</span>", "<span>无城郭</span>", "<span>雨雪纷纷</span>", "<span>连大漠</span>" ], slideCallback:function (dex) { console.log(dex); }, tabClassName:"tab", tabActiveClassName: "active" } } }</script>

options参数释义

代码

tab.vue

<template> <div class="fixWrap"> <div class="component-tabsWrap" :id="tabsWrapID" v-touch:pan="onPan"> <div class="component-tabs" :style="wrapStyle"> <div class="component-tab" v-for="item in options.htmls" track-by="$index" :style="'width:'+tWidth+'px'" @click.stop="this.state=$index" :class="[options.tabClassName,$index==state?options.tabActiveClassName:'']"> {{{item}}} </div> </div> </div> </div></template><style lang="sass" rel="stylesheet/sass"> @import "tab.sass"</style><script lang="babel" type="text/babel"> var VueTouch = require ('vue-touch'); Vue.use (VueTouch); import requestAnimFrame from "utils/requestAnimFrame" const sign = (num)=> { return num >= 0 ? 1 : -1 } export default { props: ["options", "state"], data(){ return { tabsWrapID: undefined,//外容器ID wrapWidth: "", //外容器宽度 tWidth: 0, //每一个选项卡应该有多宽 width: 0, //宽度。 startTransX: 0, transX: 0, //元素样式偏移。 cssX: 0 //动作中css实际完成的偏移。 } }, methods: { init(){ this.wrapWidth = document.getElementById (this.tabsWrapID).offsetWidth; this.tWidth = this.wrapWidth / this.options.count; this.width = this.tWidth * this.options.htmls.length; setTimeout(function(){ this.$el.style["height"]= this.$el.children[0].clientHeight+"px"; }.bind(this),0) if (this.options.pin) { var elemRect = this.$el.getBoundingClientRect (); var windowOffset = this.getWindowOffset (); var winOffsetY = windowOffset.offsetY; this.elemOffsetY = elemRect.top + winOffsetY; document.addEventListener ('scroll', this.isTop); } }, onPan(event){ if (this.options.disPan) return; this.transX = event.deltaX + this.startTransX; this.cssX = this.transX; if (event.eventType == 4) { this.transX = -Math.round (-this.transX / this.tWidth) * this.tWidth; //整格滑动 var start = null; if (this.transX > 0) { // 头部回弹 this.transX = 0; var speed = 24; requestAnimFrame (step.bind (this)); function step (timestamp) { this.cssX -= speed; if (this.cssX > this.transX) requestAnimFrame (step.bind (this)); else this.startTransX = this.cssX = this.transX; }; } else if (this.transX < this.wrapWidth - this.width) { // 尾部回弹 this.transX = this.wrapWidth - this.width; var speed = 24; requestAnimFrame (step.bind (this)); function step (timestamp) { this.cssX += speed; if (this.cssX < this.transX) requestAnimFrame (step.bind (this)); else this.startTransX = this.cssX = this.transX; }; } else { //整格落位 let speed = 6; let _sign = sign (this.cssX - this.transX); if (_sign * (this.cssX - this.transX) > 1) requestAnimFrame (step.bind (this)); else this.cssX = this.transX; function step (timestamp) { if (start === null) start = timestamp; let progress = timestamp - start; if (progress < 3000) speed *= 1 - progress / 3000; this.cssX -= _sign * speed; if (_sign * (this.cssX - this.transX) > 1) requestAnimFrame (step.bind (this)); else this.cssX = this.transX; }; } this.startTransX = this.transX; //滑动结束设置下次滑动起始值。 } }, slideTo(dex){ this.state = dex; let speed = 10; // 开头几个 if (dex + 1 <= this.options.count) { this.transX = 0; // 设置应到位置。 if (this.startTransX < this.transX) { let _sign = sign (this.transX - this.startTransX); this.cssX = this.transX - _sign * this.tWidth; requestAnimFrame (step.bind (this)); function step () { this.cssX += _sign * speed; if (_sign * (this.cssX - this.transX) < 0) requestAnimFrame (step.bind (this)); else { this.cssX = this.startTransX = this.transX; if (this.options.slideCallback) this.options.slideCallback (dex); } ; }; } //无需动画 else { this.cssX = this.startTransX = this.transX; if (this.options.slideCallback) this.options.slideCallback (dex); } } // 结尾几个 else if (this.options.htmls.length - dex <= this.options.count) { this.transX = this.wrapWidth - this.width;// 设置应到位置。 if (this.startTransX > this.transX) { let _sign = sign (this.transX - this.startTransX); this.cssX = this.transX - _sign * this.tWidth; requestAnimFrame (step.bind (this)); function step () { this.cssX += _sign * speed; if (_sign * (this.cssX - this.transX) < 0) requestAnimFrame (step.bind (this)); else { this.cssX = this.startTransX = this.transX; if (typeof this.options.slideCallback == "function") this.options.slideCallback (dex); } }; } else { this.cssX = this.startTransX = this.transX; //无需动画 if (typeof this.options.slideCallback == "function") this.options.slideCallback (dex); } } //中 else { this.transX = -this.tWidth * dex;// 设置应到位置。 let _sign = sign (this.transX - this.startTransX); if (this.tWidth * (dex + 0.5 * (1 - _sign)) + this.startTransX >= 0 && this.tWidth * (dex + 0.5 * (1 - _sign)) + this.startTransX <= this.wrapWidth) { //无需动画 this.cssX = this.transX = this.startTransX; if (typeof this.options.slideCallback == "function") this.options.slideCallback (dex); } else { //需要动画 this.cssX = this.transX - _sign * this.tWidth; requestAnimFrame (step.bind (this)); function step () { this.cssX += _sign * speed; if (_sign * (this.cssX - this.transX) < 0) requestAnimFrame (step.bind (this)); else { this.cssX = this.startTransX = this.transX; if (typeof this.options.slideCallback == "function") this.options.slideCallback (dex); } }; } } }, isTop(){ var windowOffset = this.getWindowOffset (), winOffsetY = windowOffset.offsetY, isTop; isTop = this.elemOffsetY <= winOffsetY; if (isTop) { this.$el.children[0].style['position'] = 'fixed'; this.$el.children[0].style['top'] = '0'; this.$el.children[0].style['left'] = '0'; } else { this.$el.children[0].style['position']='relative'; } return isTop; }, getWindowOffset(){ var t; var win = window; var pageXOffset = (typeof win.pageXOffset == 'number') ? win.pageXOffset : (((t = doc.documentElement) || (t = body.parentNode)) && typeof t.ScrollLeft == 'number' ? t : body).ScrollLeft; var pageYOffset = (typeof win.pageYOffset == 'number') ? win.pageYOffset : (((t = doc.documentElement) || (t = body.parentNode)) && typeof t.ScrollTop == 'number' ? t : body).ScrollTop; return { offsetX: pageXOffset, offsetY: pageYOffset }; }, }, watch: { options(){ this.tabsWrapID = parseInt (Math.random () * 1e10); setTimeout (this.init.bind (this), 10); }, state(val){ this.slideTo(val) } }, computed: { wrapStyle(){ var _str = ""; if (this.width) _str += `width:${this.width}px;`;//宽度 _str += `-webkit-transform:translateX(${this.cssX}px);` //位移。 _str += `transform:translateX(${this.cssX}px);` //位移。 return _str } } }</script><style lang="sass" rel="stylesheet/sass" type="sass">.fixWrap z-index: 999 position: relative.component-tabsWrap width: 100% overflow: hidden min-height: .1rem position: relative background: #fff .component-tabs height: 100% display: table .component-tab display: table-cell box-sizing: border-box text-align: center vertical-align: middle</style>

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