jquery 实现图片切换幻灯片效果

时间：2022-11-30 11:56:29
 

js代码

var timer = null;
var offset = 5000;
var index = 0;

//大图交替轮换
function slideImage(i){
    var id = 'image_'+ target[i];
    $('#'+ id)
        .animate({opacity: 1}, 800, function(){
            $(this).find('.word').animate({height: 'show'}, 'slow');
        }).show()
        .siblings(':visible')
        .find('.word').animate({height: 'hide'},'fast',function(){
            $(this).parent().animate({opacity: 0}, 800).hide();
        });
}
//bind thumb a
function hookThumb(){   
    $('#thumbs li a')
        .bind('click', function(){
            if (timer) {
                clearTimeout(timer);
            }               
            var id = this.id;           
            index = getIndex(id.substr(6));
            rechange(index);
            slideImage(index);
            timer = window.setTimeout(auto, offset); 
            this.blur();           
            return false;
        });
}
//bind next/prev img
function hookBtn(){
    $('#thumbs li img').filter('#play_prev,#play_next')
        .bind('click', function(){
            if (timer){
                clearTimeout(timer);
            }
            var id = this.id;
            if (id == 'play_prev') {
                index--;
                if (index < 0) index = 6;
            }else{
                index++;
                if (index > 6) index = 0;
            }
            rechange(index);
            slideImage(index);
            timer = window.setTimeout(auto, offset);
        });
}

function bighookBtn(){
    $('#bigpicarea p span').filter('#big_play_prev,#big_play_next')
        .bind('click', function(){
            if (timer){
                clearTimeout(timer);
            }
            var id = this.id;
            if (id == 'big_play_prev') {
                index--;
                if (index < 0) index = 6;
            }else{
                index++;
                if (index > 6) index = 0;
            }
            rechange(index);
            slideImage(index);
            timer = window.setTimeout(auto, offset);
        });
}

//get index
function getIndex(v){
    for(var i=0; i < target.length; i++){
        if (target[i] == v) return i;
    }
}
function rechange(loop){
    var id = 'thumb_'+ target[loop];
    $('#thumbs li a.current').removeClass('current');
    $('#'+ id).addClass('current');
}
function auto(){
    index++;
    if (index > 6){
        index = 0;
    }
    rechange(index);
    slideImage(index);
    timer = window.setTimeout(auto, offset);
}
$(function(){   
    //change opacity
    $('div.word').css({opacity: 0.85});
    auto(); 
    hookThumb();
    hookBtn();
 bighookBtn()
   
});

html代码

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

<title>固定数量的腾讯jquery图片相册浏览特效</title>
<LINK rel=stylesheet type=text/css href="css/lrtk.css">
<SCRIPT type=text/javascript src="js/jquery.js"></SCRIPT>
<SCRIPT type=text/javascript src="js/slide.js"></SCRIPT>
</head>

<body style="text-align:center">

<DIV style="HEIGHT: 560px; PADDING-TOP: 20px" class="wrap picshow"><!--大图轮换区-->
<DIV id=picarea>
<DIV style="MARGIN: 0px auto; WIDTH: 774px; HEIGHT: 436px; OVERFLOW: hidden">
<DIV style="MARGIN: 0px auto; WIDTH: 774px; HEIGHT: 436px; OVERFLOW: hidden" id=bigpicarea>
<P class=bigbtnPrev><SPAN id=big_play_prev></SPAN></P>
<DIV id=image_xixi-01 class=image><A target=_blank><IMG alt=""
src="images/42766101.jpg" width=772 height=434></A>
<DIV class=word>
<H3>舞动青春</H3></DIV></DIV>
<DIV id=image_xixi-02 class=image><A target=_blank><IMG alt=""
src="images/42813100.jpg" width=772 height=434></A>
<DIV class=word>
<H3>台球厅的生活</H3></DIV></DIV>
<DIV id=image_xixi-03 class=image><A target=_blank><IMG alt=""
src="images/42813102.jpg" width=772 height=434></A>
<DIV class=word>
<H3>采访进行中</H3></DIV></DIV>
<DIV id=image_xixi-04 class=image><A target=_blank><IMG alt=""
src="images/42813139.jpg" width=772 height=434></A>
<DIV class=word>
<H3>美女代言人</H3></DIV></DIV>
<DIV id=image_xixi-05 class=image><A target=_blank><IMG alt=""
src="images/42766145.jpg" width=772 height=434></A>
<DIV class=word>
<H3>红色经典</H3></DIV></DIV>
<DIV id=image_xixi-06 class=image><A target=_blank><IMG alt=""
src="images/42766146.jpg" width=772 height=434></A>
<DIV class=word>
<H3>回眸</H3></DIV></DIV>
<DIV id=image_xixi-07 class=image><A target=_blank><IMG alt=""
src="images/42766159.jpg" width=772 height=434></A>
<DIV class=word>
<H3>眩光的诱惑</H3></DIV></DIV>


<P class=bigbtnNext><SPAN id=big_play_next></SPAN></P></DIV></DIV>
<DIV id=smallpicarea>
<DIV id=thumbs>
<UL>
  <LI class="first btnPrev"><IMG id=play_prev src="images/left.png"></LI>
  <LI class=slideshowItem>
  <A id=thumb_xixi-01 href="#"><IMG src="images/42766316.jpg" width=90 height=60></A>
  </LI>
  <LI class=slideshowItem>
  <A id=thumb_xixi-02 href="#"><IMG src="images/42813171.jpg" width=90 height=60></A>
  </LI>
  <LI class=slideshowItem>
  <A id=thumb_xixi-03 href="#"><IMG src="images/42813178.jpg" width=90 height=60></A>
  </LI>
  <LI class=slideshowItem>
  <A id=thumb_xixi-04 href="#"><IMG src="images/42813186.jpg" width=90 height=60></A>
  </LI>
  <LI class=slideshowItem>
  <A id=thumb_xixi-05 href="#"><IMG src="images/42766362.jpg" width=90 height=60></A>
  </LI>
  <LI class=slideshowItem>
  <A id=thumb_xixi-06 href="#"><IMG src="images/42766274.jpg" width=90 height=60></A>
  </LI>
  <LI class="last_img slideshowItem">
  <A id=thumb_xixi-07 href="#"><IMG src="images/42766298.jpg" width=90 height=60></A>
  </LI>

  <LI class="last btnNext"><IMG id=play_next src="images/right.png"></LI>
</UL></DIV></DIV></DIV>
<SCRIPT>
var target = ["xixi-01","xixi-02","xixi-03","xixi-04","xixi-05","xixi-06","xixi-07"];
</SCRIPT>
</DIV>

</body>
</html>

 
 
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