var myLeft;
rePoint();
function rePoint() {
var myLeftNumber = parseInt((document.body.clientWidth - 1100) / 2);
if (myLeftNumber < 0) {
myLeftNumber = 0;
}
if (myLeft == myLeftNumber) {
return;
}
myLeft = myLeftNumber;
}
hidden.css({width:"1100px",height:"375px",top:"0","left":"0px","opacity":0,});
hidden.stop(true,true).animate({width:"1100px",height:"375px",top:"0",left:"0px",opacity:1,},timer);
curr.stop(true,true).animate({width:"1100px",height:"375px",top:"0","left":"50%",opacity:1,},timer);
next.stop(true,true).animate({width:"1100px",height:"375px",top:"0","left":"0px","opacity":0,},timer,function(){next.find("span").css("opacity",0); isMoving = false;});
//prev --> curr prev中的图片li轮换到curr的位置 其他一次轮换
prev.find("span").css("opacity",0);
$(".main_banner_box li").find("p").css({"bottom":"-50px"});//所有标题隐藏
prev.stop(true,true).animate({width:"1100px",height:"375px",left:"myLeft",top:0,opacity:1},timer,function(){
$(this).find("p").animate({"bottom":"0px"}); //当前这张图片的标题运动出来
});
index_2--;
}else{ //执行next 操作
if(index_2+2>=len){ //index_2 3 4
hidden=$("#imgCard"+(index_2+2-len));// 0 1
}else{ //index_2 0 1 2
hidden=$("#imgCard"+(index_2+2));// 2 3 4
}
prev.css("z-index","1");
next.css("z-index","5"); //点击next按钮 让next位置上的这张图片 层级最高 显示
curr.css("z-index","2");
hidden.css("z-index","1");
//当index_2自增,各图片往左运动效果
hidden.css({width:"1100px",height:"375px",top:"0px","left":"50%","opacity":0});
hidden.stop(true,true).animate({width:"1100px",height:"375px",top:"0px",opacity:1},timer);
curr.stop(true,true).animate({width:"1100px",height:"375px",top:"0px",left:"0px",opacity:1},timer);
//next --> curr next中的图片li轮换到curr的位置 其他一次轮换
next.find("span").css("opacity",0);
$(".main_banner_box li").find("p").css({"bottom":"-50px"});//所有标题隐藏
next.stop(true,true).animate({width:"1100px",height:"375px",left:"myLeft",top:0,opacity:1,margin:"0 auto"},timer,function(){
$(this).find("p").animate({"bottom":"0px"}); //当前这张图片的标题运动出来
});
prev.stop(true,true).animate({width:"1100px",height:"375px",left:"0px",top:"0px",opacity:0},timer,function(){
isMoving = false;
});
index_2++;
}
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