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- import '../css/bootstrap.less';
- import 'bootstrap/dist/js/bootstrap.js';
- import '../css/public.css';
- import '../css/index_home.css';
- import './public.js';
- $(function(){
- var k=0;
- var liwit=$('.need_imgs ul li').width();
- var lilengths=$('.need_imgs ul li').length;
- $('.need_next').click(function(){
- k++;
- if(k>lilengths-3){
- k=0
- }
- $('.need_imgs ul').animate({'marginLeft':-(liwit+20)*k},1000)
-
- });
- $('.need_prev').click(function(){
- k--;
- if(k<0){
- k=lilengths-3
- }
- $('.need_imgs ul').animate({'marginLeft':-(liwit+20)*k},1000)
- });
- //首页轮播图
- (function(){
- var $imgBig=$('.ct-img-big'),
- $btnNext=$('.btn-next'),
- $btnPre=$('.btn-pre'),
- $CT = $('.carousel_top'),
- $imgSmall=$('.ct-img-small');
- var $imgWidth=$imgBig.find('li').width();//获取图片的宽度;
- var $imgLength=$imgBig.children().length;//获取克隆前的图片的长度;
- // 拷贝第一张和最后一张;把最后一张图放在最前面;把最前面的图放在最后;
- var $firstImg=$imgBig.find('li').first(),
- $lastImg=$imgBig.find('li').last();
- $imgBig.prepend($lastImg.clone());
- $imgBig.append($firstImg.clone()); //设置imgBig clone后的宽度
- $imgBig.width( $imgWidth*$imgBig.children().length)//这时的个数是添加完以后的个数
- $imgBig.css({'left':'-='+$imgWidth+'px'})//把第一张图放入可视区
- var pageIndex = 0 ; //img的下标;
- var isAnimate = false;//防止重复点击 上锁
- $btnNext.on('click',function(e){
- e.preventDefault();
- playNext()
- setTimeout(function(){
- },1500)
- });
- $btnPre.on('click',function(e){
- e.preventDefault();
- playPre()
- setTimeout(function(){
- },1500)
- });
- $imgSmall.find('li').on('click',function(){
- var smallIdx= $(this).index();
- if(smallIdx>pageIndex){
- playNext(smallIdx-pageIndex);
- }
- else if(smallIdx<pageIndex){
- playPre(pageIndex-smallIdx);
- }
- });
- function playNext(n){
- var idx = n ||1;
- if(isAnimate) return;
- isAnimate = true;
- $imgBig.animate({'left':'-='+ $imgWidth*idx+'px'},function(){
- //如果页数=图片的最后一个,就让图片回到第一张;即data-index=0;
- pageIndex = pageIndex+idx;
- if( pageIndex ===$imgLength ){
- $imgBig.css({'left':'-'+$imgWidth+'px'})
- pageIndex = 0;
- }
- isAnimate = false;
- smallImg()
- })
- }
- function playPre(n){
- var idx = n ||1;
- if(isAnimate) return;
- isAnimate = true;
- $imgBig.animate({'left':'+='+$imgWidth*idx+'px'},function(){
- pageIndex=pageIndex-idx;
- if(pageIndex<0){
- $imgBig.css({'left':'-'+$imgWidth*$imgLength+'px'});
- pageIndex = $imgLength-1;
- }
- isAnimate = false;
- smallImg()
- })
- }
- //设置小图的class
- function smallImg(){
- $imgSmall.children()
- .removeClass('active')
- .eq(pageIndex) .addClass('active');
- $(".banner_all span").removeClass("text-block").eq(pageIndex).addClass("text-block");
- }
- //自动轮播 鼠标进入鼠标离开
- var timer =setInterval(function(){
- playNext();
- },2000);
- $CT.hover(function(){
- clearInterval(timer)
- },function(){
- timer =setInterval( function(){
- playNext();
- },2000)
- });
- $imgSmall.hover(function(){
- clearInterval(timer)
- },function(){
- timer =setInterval( function(){
- playNext();
- },2000)
- });
- $btnNext.hover(function(){
- clearInterval(timer)
- },function(){
- timer =setInterval( function(){
- playNext();
- },2000)
- });
- $btnPre.hover(function(){
- clearInterval(timer)
- },function(){
- timer =setInterval( function(){
- playNext();
- },2000)
- });
- })();
- });
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