$(document).ready(function(){
	let window_height = $(window).height()
	$('.full-page-item').height(window_height)
	let array = new Array()
	let length = $('.full-page-item').length
	for (let i = 0; i < length ; i++) {
		array.push(i*window_height)
	}
	let flag = false
	$('.full-page-item').bind('mousewheel',function(event, delta){
		if(!flag){
			flag = true
			let index = $(this).index()
			let scroll_height = 0
			let show_index = 0
			if(index<length-1){ $('.foot').bind('mousewheel',function(e,delta){="" $('.head').bind('mousewheel',function(){="" $('html').animate({scrolltop:="" -1="" 600,="" doscroll(scroll_height,$('.full-page-item').length)="" doscroll(scroll_height,show_index,index)="" doscroll(scroll_height,show_index,index){="" false="" flag="false" function="" function(){="" if(!flag){="" if(delta="1){" if(show_index="" let="" return="" scroll_height="array[array.length-1]+'px'" scroll_height},="" show_index="index-1" }="" })="" }else{="">=0){
				if(show_index!=5){
					if(show_index!=index){
						$('.full-page-item').eq(show_index).find('.block_content').css('display','block')
						$('.full-page-item').eq(index).find('.block_content').css('display','none')
					}
				}
				if(show_index==0){
					$('.full-page-item').eq(show_index).find('.block_content').css('display','flex')
					$('.full-page-item').eq(index).find('.block_content').css('display','none')
				}
			}
		})
	}
	$('.swiper-wrapper').delegate('.swiper-right','click',function(){
		let index = $(this).index()
		doSwiper(index)
	})
	function doSwiper(index){
		if(index&lt;$('.swiper-item').length-1&amp;&amp;index&gt;0){
			for (let i = 0; i &lt; $('.swiper-item').length; i++) {
				if(i==index-1){
					$('.swiper-item').eq(i).attr('class','swiper-item swiper-left')
				}else if(i==index){
					$('.swiper-item').eq(i).attr('class','swiper-item swiper-mid')
				}else if(i==index+1){
					$('.swiper-item').eq(i).attr('class','swiper-item swiper-right')
				}else{
					$('.swiper-item').eq(i).attr('class','swiper-item swiper-none')
				}
			}
		}else if(index==$('.swiper-item').length-1){
			for (let i = 0; i &lt; $('.swiper-item').length; i++) {
				if(i==index-1){
					$('.swiper-item').eq(i).attr('class','swiper-item swiper-left')
				}else if(i==$('.swiper-item').length-1){
					$('.swiper-item').eq(i).attr('class','swiper-item swiper-mid')
				}else if(i==0){
					$('.swiper-item').eq(i).attr('class','swiper-item swiper-right')
				}else{
					$('.swiper-item').eq(i).attr('class','swiper-item swiper-none')
				}
			}
		}else if(index==0){
			for (let i = 0; i &lt; $('.swiper-item').length; i++) {
				if(i==1){
					$('.swiper-item').eq(i).attr('class','swiper-item swiper-right')
				}else if(i==0){
					$('.swiper-item').eq(i).attr('class','swiper-item swiper-mid')
				}else if(i==$('.swiper-item').length-1){
					$('.swiper-item').eq(i).attr('class','swiper-item swiper-left')
				}else{
					$('.swiper-item').eq(i).attr('class','swiper-item swiper-none')
				}
			}
		}
		$('.swiper-dot-item').eq(index).addClass('swiper-dot-item-actived').siblings('').removeClass('swiper-dot-item-actived')
	}
	function autoPlay(){
		let interval = setInterval(function(){
			doSwiper($('.swiper-right').index())
		},3000)
	}
	autoPlay()
})
</length-1){>