js代码

<script type="text/javascript" src="js/jquery.min.js"></script>
<script type="text/javascript">
//点击停止轮播
$("#stop").click(function(){
	clearInterval(time);
	console.log("dsda");
})
//用于判断导航栏的状态
var toggle = true;
var time=null;
var nexImg = 0;
var bannerHeight = $(".c-banner ul li img").eq(0).css("height");
var imgLength = $(".c-banner .banner ul li").length;
$(".c-banner").css("height",bannerHeight);
$(".c-banner .jumpBtn ul li[jumpImg="+nexImg+"]").css("background-color","black");
//导航栏最后一个li的边框去除
$(".c-nav ul li:last").css("border","none");
//导航栏按钮
$('.btnImg').click(function() {
	if (toggle) {
		$('.btnImg').css("border", "1px solid #b0ccf3");
		toggle = false
	} else {
		$('.btnImg').css("border", "1px solid transparent");
		toggle = true;
	}
	$(".show").slideToggle(300);
})

//窗口大小发生改变
$(window).resize(function() {
	//获取窗口宽度
	var windSize = $(window).width();
	if (windSize > 576) {
		$(".show").slideDown(0);
	} else {
		$(".show").slideUp(0);
	}
	var bannerHeight = $(".c-banner ul li[style*='block'] img").css("height");
	$(".c-banner").css("height",bannerHeight);
});
$(document).ready(function(){
	//定时器
	time =setInterval(intervalImg,3000);
});

//点击上一张
$(".preImg").click(function(){
	clearInterval(time);
	nexImg = nexImg-1;
	if(nexImg<0){
		nexImg=imgLength-1;
	}
	$(".c-banner .jumpBtn ul li").css("background-color","white");
	$(".c-banner .jumpBtn ul li[jumpImg="+nexImg+"]").css("background-color","black");
	$(".c-banner .banner ul li").eq(nexImg).css("display","block");
	$(".c-banner .banner ul li").eq(nexImg).stop().animate({"opacity":1},1000);
	$(".c-banner .banner ul li").eq(nexImg+1).stop().animate({"opacity":0},1000,function(){
		$(".c-banner ul li").eq(nexImg+1).css("display","none");
	});
	time =setInterval(intervalImg,3000);
})

//点击下一张
$(".nexImg").click(function(){
	clearInterval(time);
	intervalImg();
	time =setInterval(intervalImg,3000);
})

//轮播图
function intervalImg(){
	if(nexImg<imgLength-1){
		nexImg++;
	}else{
		nexImg=0;
	}
	
	$(".c-banner .banner ul li").eq(nexImg).css("display","block");
	$(".c-banner .banner ul li").eq(nexImg).stop().animate({"opacity":1},1000);
	$(".c-banner .banner ul li").eq(nexImg-1).stop().animate({"opacity":0},1000,function(){
		$(".c-banner .banner ul li").eq(nexImg-1).css("display","none");
	});
	$(".c-banner .jumpBtn ul li").css("background-color","white");
	$(".c-banner .jumpBtn ul li[jumpImg="+nexImg+"]").css("background-color","black");
}

//轮播图底下按钮
$(".c-banner .jumpBtn ul li").each(function(){
	$(this).click(function(){
		clearInterval(time);
		$(".c-banner .jumpBtn ul li").css("background-color","white");
		jumpImg = $(this).attr("jumpImg");
		if(jumpImg!=nexImg){
			var after =$(".c-banner .banner ul li").eq(jumpImg);
			var befor =$(".c-banner .banner ul li").eq(nexImg);
			nexImg=jumpImg;
			after.css("display","block");
			after.stop().animate({"opacity":1},1000);
			befor.stop().animate({"opacity":0},1000,function(){
				befor.css("display","none");
			});	
		}
		$(this).css("background-color","black");
		time =setInterval(intervalImg,3000);
	});
});
</script>