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Loop continuous pauseable scrolling example implemented using jquery

高洛峰
高洛峰Original
2016-12-05 15:29:051058browse

The loop implemented using jquery can continuously pause scrolling and be applied to scrolling pictures and scrolling layers. Remember to have the jquery library~

1. Single-line scrolling 

<!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" c />   
<title>无标题文档</title>   
<mce:style type="text/css"><!--   
ul,li{margin:0;padding:0} 
#scrollDiv{width:300px;height:25px;line-height:25px;border:#ccc 1px solid;overflow:hidden}  
#scrollDiv li{height:25px;padding-left:10px;}   
--></mce:style><mce:style type="text/css" mce_bogus="1"><!-- 
ul,li{margin:0;padding:0} 
#scrollDiv{width:300px;height:25px;line-height:25px;border:#ccc 1px solid;overflow:hidden}  
#scrollDiv li{height:25px;padding-left:10px;} 
--></mce:style><style type="text/css" mce_bogus="1" mce_bogus="1">ul,li{margin:0;padding:0} 
#scrollDiv{width:300px;height:25px;line-height:25px;border:#ccc 1px solid;overflow:hidden}  
#scrollDiv li{height:25px;padding-left:10px;}</style>   
<mce:script src="jquery-1[1].2.1.pack.js" mce_src="jquery-1[1].2.1.pack.js" type="text/javascript"></mce:script>   
<mce:script type="text/javascript"><!--   
function AutoScroll(obj){   
    $(obj).find("ul:first").animate({   
        marginTop:"-25px" 
    },500,function(){   
        $(this).css({marginTop:"0px"}).find("li:first").appendTo(this);   
    });   
}   
$(document).ready(function(){   
setInterval(&#39;AutoScroll("#scrollDiv")&#39;,1000)   
});   
// --></mce:script>   
</head>   
<body>   
<div id="scrollDiv">   
<ul>   
  <li>这是公告标题的第一行</li>   
  <li>这是公告标题的第二行</li>   
  <li>这是公告标题的第三行</li>   
  <li>这是公告标题的第四行</li>   
  <li>这是公告标题的第五行</li>   
  <li>这是公告标题的第六行</li>   
  <li>这是公告标题的第七行</li>   
  <li>这是公告标题的第八行</li>   
</ul>   
</div>   
</body>   
</html>

2. Multi-line scrolling 

<!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=gb2312" />   
<title>无标题文档</title>   
<mce:style type="text/css"><!--   
ul,li{margin:0;padding:0} 
#scrollDiv{width:300px;height:100px;min-height:25px;line-height:25px;border:#ccc 1px solid;overflow:hidden}  
#scrollDiv li{height:25px;padding-left:10px;}   
--></mce:style><mce:style type="text/css" mce_bogus="1"><!-- 
ul,li{margin:0;padding:0} 
#scrollDiv{width:300px;height:100px;min-height:25px;line-height:25px;border:#ccc 1px solid;overflow:hidden}  
#scrollDiv li{height:25px;padding-left:10px;} 
--></mce:style><style type="text/css" mce_bogus="1" mce_bogus="1">ul,li{margin:0;padding:0} 
#scrollDiv{width:300px;height:100px;min-height:25px;line-height:25px;border:#ccc 1px solid;overflow:hidden}  
#scrollDiv li{height:25px;padding-left:10px;}</style>   
<mce:script src="jquery-1[1].2.1.pack.js" mce_src="jquery-1[1].2.1.pack.js" type="text/javascript"></mce:script>   
<mce:script type="text/javascript"><!--   
//滚动插件   
(function($){   
$.fn.extend({   
    Scroll:function(opt,callback){   
        //参数初始化   
        if(!opt) var opt={};   
        var _this=this.eq(0).find("ul:first");   
        var    lineH=_this.find("li:first").height(), //获取行高   
            line=opt.line?parseInt(opt.line,10):parseInt(this.height()/lineH,10), //每次滚动的行数，默认为一屏，即父容器高度   
            speed=opt.speed?parseInt(opt.speed,10):500, //卷动速度，数值越大，速度越慢（毫秒）   
            timer=opt.timer?parseInt(opt.timer,10):3000; //滚动的时间间隔（毫秒）   
        if(line==0) line=1;   
        var upHeight=0-line*lineH;   
        //滚动函数   
        scrollUp=function(){   
            _this.animate({   
                marginTop:upHeight   
            },speed,function(){   
                for(i=1;i<=line;i++){   
                    _this.find("li:first").appendTo(_this);   
                }   
                _this.css({marginTop:0});   
            });   
        }   
        //鼠标事件绑定   
        _this.hover(function(){   
            clearInterval(timerID);   
        },function(){   
            timerID=setInterval("scrollUp()",timer);   
        }).mouseout();   
    }       
})   
})(jQuery);   
$(document).ready(function(){   
    $("#scrollDiv").Scroll({line:4,speed:500,timer:1000});   
});   
// --></mce:script>   
</head>   
<body>   
<p>多行滚动演示：</p>   
<div id="scrollDiv">   
<ul>   
  <li>这是公告标题的第一行</li>   
  <li>这是公告标题的第二行</li>   
  <li>这是公告标题的第三行</li>   
  <li>这是公告标题的第四行</li>   
  <li>这是公告标题的第五行</li>   
  <li>这是公告标题的第六行</li>   
  <li>这是公告标题的第七行</li>   
  <li>这是公告标题的第八行</li>   
</ul>   
</div>   
</body>   
</html>

3. Multi-line scrolling forward and backward can be controlled 

<!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=gb2312" />   
<title>无标题文档</title>   
<mce:style type="text/css"><!--   
ul,li{margin:0;padding:0} 
#scrollDiv{width:300px;height:100px;min-height:25px;line-height:25px;border:#ccc 1px solid;overflow:hidden}  
#scrollDiv li{height:25px;padding-left:10px;}   
--></mce:style><mce:style type="text/css" mce_bogus="1"><!-- 
ul,li{margin:0;padding:0} 
#scrollDiv{width:300px;height:100px;min-height:25px;line-height:25px;border:#ccc 1px solid;overflow:hidden}  
#scrollDiv li{height:25px;padding-left:10px;} 
--></mce:style><style type="text/css" mce_bogus="1" mce_bogus="1">ul,li{margin:0;padding:0} 
#scrollDiv{width:300px;height:100px;min-height:25px;line-height:25px;border:#ccc 1px solid;overflow:hidden}  
#scrollDiv li{height:25px;padding-left:10px;}</style>   
<mce:script src="jquery-1[1].2.1.pack.js" mce_src="jquery-1[1].2.1.pack.js" type="text/javascript"></mce:script>   
<mce:script type="text/javascript"><!--   
(function($){   
$.fn.extend({   
    Scroll:function(opt,callback){   
        //参数初始化   
        if(!opt) var opt={};   
        var _btnUp = $("#"+ opt.up);//Shawphy:向上按钮   
        var _btnDown = $("#"+ opt.down);//Shawphy:向下按钮   
        var timerID;   
        var _this=this.eq(0).find("ul:first");   
        var   lineH=_this.find("li:first").height(), //获取行高   
            line=opt.line?parseInt(opt.line,10):parseInt(this.height()/lineH,10), //每次滚动的行数，默认为一屏，即父容器高度   
            speed=opt.speed?parseInt(opt.speed,10):500; //卷动速度，数值越大，速度越慢（毫秒）   
            timer=opt.timer //?parseInt(opt.timer,10):3000; //滚动的时间间隔（毫秒）   
        if(line==0) line=1;   
        var upHeight=0-line*lineH;   
        //滚动函数   
        var scrollUp=function(){   
            _btnUp.unbind("click",scrollUp); //Shawphy:取消向上按钮的函数绑定   
            _this.animate({   
                marginTop:upHeight   
            },speed,function(){   
                for(i=1;i<=line;i++){   
                    _this.find("li:first").appendTo(_this);   
                }   
                _this.css({marginTop:0});   
                _btnUp.bind("click",scrollUp); //Shawphy:绑定向上按钮的点击事件   
            });   
        }   
        //Shawphy:向下翻页函数   
        var scrollDown=function(){   
            _btnDown.unbind("click",scrollDown);   
            for(i=1;i<=line;i++){   
                _this.find("li:last").show().prependTo(_this);   
            }   
            _this.css({marginTop:upHeight});   
            _this.animate({   
                marginTop:0   
            },speed,function(){   
                _btnDown.bind("click",scrollDown);   
            });   
        }   
        //Shawphy:自动播放   
        var autoPlay = function(){   
            if(timer)timerID = window.setInterval(scrollUp,timer);   
        };   
        var autoStop = function(){   
            if(timer)window.clearInterval(timerID);   
        };   
         //鼠标事件绑定   
        _this.hover(autoStop,autoPlay).mouseout();   
        _btnUp.css("cursor","pointer").click( scrollUp ).hover(autoStop,autoPlay);//Shawphy:向上向下鼠标事件绑定   
        _btnDown.css("cursor","pointer").click( scrollDown ).hover(autoStop,autoPlay);   
    }      
})   
})(jQuery);   
$(document).ready(function(){   
    $("#scrollDiv").Scroll({line:4,speed:500,timer:1000,up:"btn1",down:"btn2"});   
});   
// --></mce:script>   
</head>   
<body>   
<p>多行滚动演示：</p>   
<div id="scrollDiv">   
<ul>   
  <li>这是公告标题的第一行</li>   
  <li>这是公告标题的第二行</li>   
  <li>这是公告标题的第三行</li>   
  <li>这是公告标题的第四行</li>   
  <li>这是公告标题的第五行</li>   
  <li>这是公告标题的第六行</li>   
  <li>这是公告标题的第七行</li>   
  <li>这是公告标题的第八行</li>   
</ul>   
</div>   
<span id="btn1">向前</span> <span id="btn2">向后</span>   
</body>   
</html>


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