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跑马灯、滚动marqueen效果

is芳小芳 53

前言:

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1、代码布局html

<div id="booksMarquee" class="booksMarquee">        <ul style="width: 4438px;">                <li>            陈* 购买了不限购的,土巴兔 </li>                <li>            陈* 购买了不限购的,土巴兔 </li>                <li>          </ul></div>
2、css
//滚动效果.booksMarquee{    width:100%;    height: 30px;    background: #FFF6DF;    border-radius: 4px;    overflow:hidden;    margin-bottom: 10px;}.booksMarquee li{    float:left;//上下滚动,可以去掉浮动    font-size: 12px;    line-height:30px;    color: #FF5300;    padding:0 30px;}
3、js调用
//滚动效果,顺滑的滚动    if ($('#booksMarquee').length > 0) {      $('#booksMarquee').kxbdSuperMarquee({        isMarquee:true,        isEqual:false,        scrollDelay:20,        direction:'left'        //direction: 'left',//滚动方向,'left','right','up','down'      });    }//调用方式2:停顿2s在滚动的效果 $('#booksMarquee').kxbdSuperMarquee({   distance:40,   time:2,//停顿2s在滚动   direction:'up' });//一次滚动一屏			$('#marquee3').kxbdSuperMarquee({				distance:400,				time:4,				navId:'#mar3Nav',				direction:'left'			});				//一次滚动一屏,不自动滚动,点击滚动			$('#marquee4').kxbdSuperMarquee({				isAuto:false,				distance:186,				btnGo:{left:'#goL2',right:'#goR2'},				direction:'left'			});

附带marqueen.js

/** * @dependence jQuery 1.3.2 * @DOM *  	<div id="marquee"> *  		<ul> *   			<li></li> *   			<li></li> *  		</ul> *  	</div> * @CSS *  	#marquee {width:200px;height:50px;overflow:hidden;} * @Usage *  	$('#marquee').kxbdSuperMarquee(options); * @options *		distance:200,//一次滚动的距离 *		duration:20,//缓动效果,单次移动时间,越小速度越快,为0时无缓动效果 *		time:5,//停顿时间,单位为秒 *		direction: 'left',//滚动方向,'left','right','up','down' *		scrollAmount:1,//步长 *		scrollDelay:20//时长,单位为毫秒 *		isEqual:true,//所有滚动的元素长宽是否相等,true,false *		loop: 0,//循环滚动次数,0时无限 *		btnGo:{left:'#goL',right:'#goR'},//控制方向的按钮ID,有四个属性left,right,up,down分别对应四个方向 *		eventGo:'click',//鼠标事件 *		controlBtn:{left:'#goL',right:'#goR'},//控制加速滚动的按钮ID,有四个属性left,right,up,down分别对应四个方向 *		newAmount:4,//加速滚动的步长 *		eventA:'mouseenter',//鼠标事件,加速 *		eventB:'mouseleave',//鼠标事件,原速 *		navId:'#marqueeNav', //导航容器ID,导航DOM:<ul><li>1</li><li>2</li><ul>,导航CSS:.navOn *		eventNav:'click' //导航事件 */(function($){	$.fn.kxbdSuperMarquee = function(options){		var opts = $.extend({},$.fn.kxbdSuperMarquee.defaults, options);				return this.each(function(){			var $marquee = $(this);//滚动元素容器			var _scrollObj = $marquee.get(0);//滚动元素容器DOM			var scrollW = $marquee.width();//滚动元素容器的宽度			var scrollH = $marquee.height();//滚动元素容器的高度			var $element = $marquee.children(); //滚动元素			var $kids = $element.children();//滚动子元素			var scrollSize=0;//滚动元素尺寸			var _type = (opts.direction == 'left' || opts.direction == 'right') ? 1:0;//滚动类型,1左右,0上下			var scrollId, rollId, isMove, marqueeId;			var t,b,c,d,e; //滚动动画的参数,t:当前时间,b:开始的位置,c:改变的位置,d:持续的时间,e:结束的位置			var _size, _len; //子元素的尺寸与个数			var $nav,$navBtns;			var arrPos = []; 			var numView = 0; //当前所看子元素			var numRoll=0; //轮换的次数			var numMoved = 0;//已经移动的距离			//防止滚动子元素比滚动元素宽而取不到实际滚动子元素宽度			$element.css(_type?'width':'height',10000);			//获取滚动元素的尺寸			var navHtml = '<ul>';			if (opts.isEqual) {				_size = $kids[_type?'outerWidth':'outerHeight']();				_len = $kids.length;				scrollSize = _size * _len;				for(var i=0;i<_len;i++){					arrPos.push(i*_size);					navHtml += '<li>'+ (i+1) +'</li>';				}			}else{				$kids.each(function(i){					arrPos.push(scrollSize);					scrollSize += $(this)[_type?'outerWidth':'outerHeight']();					navHtml += '<li>'+ (i+1) +'</li>';				});			}			navHtml += '</ul>';						//滚动元素总尺寸小于容器尺寸,不滚动			if (scrollSize<(_type?scrollW:scrollH)) return; 			//克隆滚动子元素将其插入到滚动元素后,并设定滚动元素宽度			$element.append($kids.clone()).css(_type?'width':'height',scrollSize*2);						//轮换导航			if (opts.navId) {				$nav = $(opts.navId).append(navHtml).hover( stop, start );				$navBtns = $('li', $nav);				$navBtns.each(function(i){					$(this).bind(opts.eventNav,function(){						if(isMove) return;						if(numView==i) return;						rollFunc(arrPos[i]);						$navBtns.eq(numView).removeClass('navOn');						numView = i;						$(this).addClass('navOn');					});				});				$navBtns.eq(numView).addClass('navOn');			}						//设定初始位置			if (opts.direction == 'right' || opts.direction == 'down') {				_scrollObj[_type?'scrollLeft':'scrollTop'] = scrollSize;			}else{				_scrollObj[_type?'scrollLeft':'scrollTop'] = 0;			}						if(opts.isMarquee){				//滚动开始				//marqueeId = setInterval(scrollFunc, opts.scrollDelay);				marqueeId = setTimeout(scrollFunc, opts.scrollDelay);				//鼠标划过停止滚动				$marquee.hover(					function(){						clearInterval(marqueeId);					},					function(){						//marqueeId = setInterval(scrollFunc, opts.scrollDelay);						clearInterval(marqueeId);						marqueeId = setTimeout(scrollFunc, opts.scrollDelay);					}				);								//控制加速运动				if(opts.controlBtn){					$.each(opts.controlBtn, function(i,val){						$(val).bind(opts.eventA,function(){							opts.direction = i;							opts.oldAmount = opts.scrollAmount;							opts.scrollAmount = opts.newAmount;						}).bind(opts.eventB,function(){							opts.scrollAmount = opts.oldAmount;						});					});				}			}else{				if(opts.isAuto){					//轮换开始					start();										//鼠标划过停止轮换					$marquee.hover( stop, start );				}							//控制前后走				if(opts.btnGo){					$.each(opts.btnGo, function(i,val){						$(val).bind(opts.eventGo,function(){							if(isMove == true) return;							opts.direction = i;							rollFunc();							if (opts.isAuto) {								stop();								start();							}						});					});				}			}						function scrollFunc(){				var _dir = (opts.direction == 'left' || opts.direction == 'right') ? 'scrollLeft':'scrollTop';								if(opts.isMarquee){					if (opts.loop > 0) {						numMoved+=opts.scrollAmount;						if(numMoved>scrollSize*opts.loop){							_scrollObj[_dir] = 0;							return clearInterval(marqueeId);						} 					}					var newPos = _scrollObj[_dir]+(opts.direction == 'left' || opts.direction == 'up'?1:-1)*opts.scrollAmount;				}else{					if(opts.duration){						if(t++<d){							isMove = true;							var newPos = Math.ceil(easeOutQuad(t,b,c,d));							if(t==d){								newPos = e;							}						}else{							newPos = e;							clearInterval(scrollId);							isMove = false;							return;						}					}else{						var newPos = e;						clearInterval(scrollId);					}				}								if(opts.direction == 'left' || opts.direction == 'up'){					if(newPos>=scrollSize){						newPos-=scrollSize;					}				}else{					if(newPos<=0){						newPos+=scrollSize;					}				}				_scrollObj[_dir] = newPos;								if(opts.isMarquee){					marqueeId = setTimeout(scrollFunc, opts.scrollDelay);				}else if(t<d){					if(scrollId) clearTimeout(scrollId);					scrollId = setTimeout(scrollFunc, opts.scrollDelay);				}else{					isMove = false;				}							};						function rollFunc(pPos){				isMove = true;				var _dir = (opts.direction == 'left' || opts.direction == 'right') ? 'scrollLeft':'scrollTop';				var _neg = opts.direction == 'left' || opts.direction == 'up'?1:-1;				numRoll = numRoll +_neg;				//得到当前所看元素序号并改变导航CSS				if(pPos == undefined&&opts.navId){					$navBtns.eq(numView).removeClass('navOn');					numView +=_neg;					if(numView>=_len){						numView = 0;					}else if(numView<0){						numView = _len-1;					}					$navBtns.eq(numView).addClass('navOn');					numRoll = numView;				}				var _temp = numRoll<0?scrollSize:0;				t=0;				b=_scrollObj[_dir];				//c=(pPos != undefined)?pPos:_neg*opts.distance;				e=(pPos != undefined)?pPos:_temp+(opts.distance*numRoll)%scrollSize;				if(_neg==1){					if(e>b){						c = e-b;					}else{						c = e+scrollSize -b;					}				}else{					if(e>b){						c =e-scrollSize-b;					}else{						c = e-b;					}				}				d=opts.duration;								//scrollId = setInterval(scrollFunc, opts.scrollDelay);				if(scrollId) clearTimeout(scrollId);				scrollId = setTimeout(scrollFunc, opts.scrollDelay);			}						function start(){				rollId = setInterval(function(){					rollFunc();				}, opts.time*1000);			}			function stop(){				clearInterval(rollId);			}						function easeOutQuad(t,b,c,d){				return -c *(t/=d)*(t-2) + b;			}						function easeOutQuint(t,b,c,d){				return c*((t=t/d-1)*t*t*t*t + 1) + b;			}		});	};	$.fn.kxbdSuperMarquee.defaults = {		isMarquee:false,//是否为Marquee		isEqual:true,//所有滚动的元素长宽是否相等,true,false		loop: 0,//循环滚动次数,0时无限		newAmount:3,//加速滚动的步长		eventA:'mousedown',//鼠标事件,加速		eventB:'mouseup',//鼠标事件,原速		isAuto:true,//是否自动轮换		time:5,//停顿时间,单位为秒		duration:50,//缓动效果,单次移动时间,越小速度越快,为0时无缓动效果		eventGo:'click', //鼠标事件,向前向后走		direction: 'left',//滚动方向,'left','right','up','down'		scrollAmount:1,//步长		scrollDelay:10,//时长		eventNav:'click'//导航事件	};		$.fn.kxbdSuperMarquee.setDefaults = function(settings) {		$.extend( $.fn.kxbdSuperMarquee.defaults, settings );	};	})(jQuery);

标签: #jquery横向跑马灯文字 #div跑马灯 #jquery无缝走马灯 #html中marquee的停止滚动 #css的marque