JavaScript基于面向?qū)ο髮?shí)現(xiàn)的無縫滾動(dòng)輪播示例

更新時(shí)間：2020年01月17日 11:25:57 作者：林飛的夢(mèng)囈

這篇文章主要介紹了JavaScript基于面向?qū)ο髮?shí)現(xiàn)的無縫滾動(dòng)輪播,結(jié)合實(shí)例形式分析了JavaScript面向?qū)ο髮?shí)現(xiàn)的無縫滾動(dòng)輪播相關(guān)對(duì)象定義、初始化及功能實(shí)現(xiàn)技巧,需要的朋友可以參考下

本文實(shí)例講述了JavaScript基于面向?qū)ο髮?shí)現(xiàn)的無縫滾動(dòng)輪播。分享給大家供大家參考，具體如下：

無縫輪播面向?qū)ο?/p>

一、HTML及CSS部分同前文《原生JavaScript實(shí)現(xiàn)的無縫滾動(dòng)功能》。

JavaScript面向?qū)ο蟛糠秩缦拢?/p>

function Seamless(obj) {
  this.obj = document.getElementById(obj);
  this.oXSlide = GLOBAL.Dom.getElementsByClassName('J_XSlide', this.obj)[0];
  this.li = this.oXSlide.getElementsByTagName('li');
  this.liTabs = GLOBAL.Dom.getElementsByClassName('tabs', this.obj)[0].getElementsByTagName('li');
  this.iNow = 0;
  this.timer = null;
  this.playTime = 2000;
  this.init();
}
Seamless.prototype = {
  // 初始化
  init: function() {
    var _this = this;
    this.timer = setInterval(function(){
      _this.autoPlay();
    }, this.playTime);
    this.overOut();
    this.tab();
  },
  tab: function() {
    var _this = this;
    var btn = GLOBAL.Dom.getElementsByClassName('btn', this.obj);
    this.oXSlide.style.width = this.li.length * this.li[0].offsetWidth + 'px';
    for(var i = 0, len = this.liTabs.length; i < len; i++) {
      this.liTabs[i].index = i;
      GLOBAL.Event.addHandler(this.liTabs[i], 'mouseover', function() {
        _this.showItem(this.index);
      });
    }
    GLOBAL.Event.addHandler(btn[0], 'click', function() {
      _this.moveLeft();
    });
    GLOBAL.Event.addHandler(btn[1], 'click', function() {
      _this.moveRight();
    });
  },
  // 移入移出時(shí)，輪播暫停與開始
  overOut: function() {
    var _this = this;
    GLOBAL.Event.addHandler(this.obj, 'mouseover', function() {
      clearInterval(_this.timer);
    });
    GLOBAL.Event.addHandler(this.obj, 'mouseout', function() {
      _this.timer = setInterval(function() {
        _this.autoPlay();
      }, _this.playTime);
    });
  },
  autoPlay: function() {
    this.moveRight();
  },
  // 選項(xiàng)卡
  showItem:function (n) {
    for(var i = 0, len = this.liTabs.length; i < len; i++) {
      this.liTabs[i].className = 'tab';
    }
    if(n == this.liTabs.length) {
      this.liTabs[0].className = 'tab cur';
    }
    else {
      this.liTabs[n].className = 'tab cur';
    }
    startMove(this.oXSlide, {'left': -n * this.li[0].offsetWidth});
  },
  moveLeft:function () {
    this.iNow--;
    if(this.iNow == -1) {
      this.oXSlide.style.left = -this.liTabs.length * this.li[0].offsetWidth + 'px';
      this.iNow = this.liTabs.length - 1;
    }
    this.showItem(this.iNow);
  },
  moveRight:function () {
    this.iNow++;
    if(this.iNow == this.li.length) {
      this.oXSlide.style.left = 0;
      this.iNow = 1;
    }
    this.showItem(this.iNow);
  }
};
new Seamless('box');

更多關(guān)于JavaScript相關(guān)內(nèi)容感興趣的讀者可查看本站專題：《JavaScript切換特效與技巧總結(jié)》、《JavaScript查找算法技巧總結(jié)》、《JavaScript動(dòng)畫特效與技巧匯總》、《JavaScript錯(cuò)誤與調(diào)試技巧總結(jié)》、《JavaScript數(shù)據(jù)結(jié)構(gòu)與算法技巧總結(jié)》、《JavaScript遍歷算法與技巧總結(jié)》及《JavaScript數(shù)學(xué)運(yùn)算用法總結(jié)》

希望本文所述對(duì)大家JavaScript程序設(shè)計(jì)有所幫助。

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