이번에는 이미지를 스크롤하고 페이드 인 및 아웃할 수 있는 jQuery를 소개하겠습니다. jQuery에서 이미지를 스크롤하고 페이드 인 및 아웃할 때 주의할 점은 무엇인가요?
<!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>向上滚动代码带上下翻按钮滚动特效</title> <style type="text/css"> body{ color:#333; font-size:13px;} h3,ul,li{margin:0;padding:0; list-style:none;} .scrollbox{ width: 340px; margin: 0 auto; overflow: hidden; border: 1px solid #CFCFCF; padding: 10px; } #scrollp{width:340px;height:359px; overflow:hidden;}/*这里的高度和超出隐藏是必须的*/ #scrollp li{max-height:90px; width:300px; padding:0 20px;background:url(ico-4.gif) no-repeat 10px 23px; overflow:hidden; vertical-align:bottom; zoom:1; border-bottom:#B7B7B7 dashed 1px;} #scrollp li h3{ height:24px; padding-top:13px; font-size:14px; color:#353535; line-height:24px; width:300px;} #scrollp li h3 a{color:#353535; text-decoration:none}#scrollp li h3 a:hover{ color:#F00} #scrollp li p{ height:36px; width:300px; color:#416A7F; line-height:18px; overflow:hidden} #scrollp li p a{ color:#416A7F; text-decoration:none} .scroltit{ height:26px; line-height:26px; padding-bottom:4px; margin-bottom:4px;} .scroltit h3{ width:100px; float:left;} .scroltit .updown{float:right; width:32px; height:22px; margin-left:4px} #but_up{ background:url(up.gif) no-repeat 0 0; text-indent:-9999px} #but_down{ background:url(down.gif) no-repeat 0 0; text-indent:-9999px} #n{margin:10px auto; width:920px; border:1px solid #CCC;font-size:12px; line-height:30px;} #n a{ padding:0 4px; color:#333} .test{ margin-top: 50px; background: #CCCCCC; border: .5px solid #ddd; overflow: hidden; height: 44px; width: 100px; } .test li{ height: 44px; width: 100%; float: left; line-height: 44px; font-size: 18px; border-top: .5px solid #ddd; } </style> <script src="jquery-1.4.4.min.js" type="text/javascript"></script> <script src="jq_scroll.js" type="text/javascript"></script> <script type="text/javascript"> $(document).ready(function(){ $("#scrollp").Scroll({line:1,speed:500,timer:2000,up:"but_up",down:"but_down"}); (function(){ var lineH = $(".test").find("li:first").height(); var appendTo = function(){ $(".test").find("li:first").appendTo($(".test")); $(".test ul").css("marginTop", 0); }; var animate = function(){ $(".test ul").eq(0).animate({ marginTop: -lineH },500,appendTo) }; var delayer = setInterval(animate, 2000); })() }); </script> </head> <body> <p align="center"><strong>特效效果如下:</strong></p> <p> </p> <p class="scrollbox"> <p id="scrollp"> <ul> <li><h3><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="linktit">移动娱乐业务突飞</a></h3></li> <li><h3><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="linktit">不停转动向上滚动可控制向上向下滚动特效</a></h3> <p>p CSS JS自动不断向上一个一个滚动可控制向上向下滚动特效... </p></li> <li><h3><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="linktit">全国涂料总产量呈现直线下滑态势</a></h3> <p>我国涂料工业将面临涂料消费税征收全面铺开,环保压力持续增加,2015年的形势不容乐观... </p></li> <li><h3><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="linktit">镂空渔网超吸睛</a></h3> <p>镂空罩衫,短短的版型穿起来显高又俏皮,内搭长款连衣裙,非常大方哦... </p></li> <li><h3><a href="#" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="linktit">主题创业街亮相</a></h3> <p>目前已有包括咖啡厅、酒吧、餐厅、瑜伽室在内的8家商铺入驻该火车... </p></li> </ul> </p> <p class="scroltit"><p class="updown" id="but_down">向上</p><p class="updown" id="but_up">向下</p></p> </p> <p class="test"> <ul> <li>sections1</li> <li>sections2</li> <li>sections3</li> <li>sections4</li> </ul> </p> </body> </html>
다음은 jq 플러그인 소스코드입니다
/* jQ向上滚动带上下翻页按钮 */ (function($){ $.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 = $("#"+ opt.down);//Shawphy:向下按钮 var timerID; var _this=this.eq(0).find("ul:first"); var lineH=_this.find("li:first").height(), //获取行高,此处行高固定但是当文字伟一行或者两行时,要动态获取吧?? line=opt.line?parseInt(opt.line,10):parseInt(this.height()/lineH,10), //每次滚动的行数,默认为一屏,即父容器高度 speed=opt.speed?parseInt(opt.speed,10):500; //卷动速度,数值越大,速度越慢(毫秒) timer=opt.timer //?parseInt(opt.timer,10):3000; //滚动的时间间隔(毫秒) if(line==0) line=1; var upHeight=0-line*lineH; //滚动函数 var scrollUp=function(){ _btnUp.unbind("click",scrollUp); //Shawphy:取消向上按钮的函数绑定 _this.animate({ //当滚动的元素height为max-height时,实时获取元素height marginTop:-_this.find("li:first").height() },speed,function(){ // for(i=1;i<=line;i++){ // _this.find("li:first").appendTo(_this); // } _this.find("li:first").appendTo(_this); _this.css({marginTop:0}); _btnUp.bind("click",scrollUp); //Shawphy:绑定向上按钮的点击事件 }); } //Shawphy:向下翻页函数 var scrollDown=function(){ _btnDown.unbind("click",scrollDown); for(i=1;i<=line;i++){ _this.find("li:last").show().prependTo(_this); } _this.css({marginTop:-_this.find("li:first").height()}); _this.animate({ marginTop:0 },speed,function(){ _btnDown.bind("click",scrollDown); }); } //Shawphy:自动播放 var autoPlay = function(){ if(timer)timerID = window.setInterval(scrollUp,timer); }; var autoStop = function(){ if(timer)window.clearInterval(timerID); }; //鼠标事件绑定 _this.hover(autoStop,autoPlay).mouseout(); _btnUp.css("cursor","pointer").click( scrollUp ).hover(autoStop,autoPlay);//Shawphy:向上向下鼠标事件绑定 _btnDown.css("cursor","pointer").click( scrollDown ).hover(autoStop,autoPlay); } }) })(jQuery);
또 다른 복사본을 올려드리겠습니다. 삭제된 스크립트
/* jQ向上滚动带上下翻页按钮 */ (function($){ $.fn.extend({ txtScroll: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"); 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):2000; //滚动的时间间隔(毫秒) //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({ //当滚动的元素height为max-height时,实时获取元素height marginTop: -_this.find("li:first").height() },speed,function(){ _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); _this.find("li:last").show().prependTo(_this); _this.css({marginTop:-_this.find("li:first").height()}); _this.animate({ marginTop:0 },speed,function(){ _btnDown.bind("click",scrollDown); }); } //Shawphy:自动播放 var autoPlay = function(){ if(timer) setIntervalT = window.setInterval(scrollUp,timer); }; var autoStop = function(){ if(timer)window.clearInterval(setIntervalT); }; //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);
실행 효과는 다음과 같습니다.
이 방법을 익히셨으리라 믿습니다. 이 기사의 사례를 읽은 후 더 흥미로운 내용을 보려면 중국 웹사이트의 PHP에 주목하세요.
추천 도서:
위 내용은 jQuery를 사용하면 이미지가 스크롤되고 페이드 인 및 아웃됩니다.의 상세 내용입니다. 자세한 내용은 PHP 중국어 웹사이트의 기타 관련 기사를 참조하세요!