使用插件实现图片轮播效果:
通过设置传入的参数autoScroll,numControl和arrowControl的值可以显示不同的效果
图片轮播效果一:设置autoScroll=true,numControl=false,arrowControl=false,图片自动轮播,当鼠标进入时停止轮播,当鼠标移出时继续轮播;
图片轮播效果二:设置autoScroll=true,numControl=ture,arrowControl=false,图片自动轮播,同时当鼠标指向导航数字时显示相应的图片;
图片轮播效果三:设置autoScroll=true,numControl=false,arrowControl=true,图片自动轮播,当鼠标点击左右按钮时,显示相应的图片;
动画效果如下:
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<!DOCTYPE html> < html lang = "en" > < head > < meta charset = "UTF-8" > < title >图片轮播</ title > < script type = "text/javascript" src = "http://libs.badu.com/jquery//1.11.1/jquery.min.js.js" ></ script > < style type = "text/css" > *{ margin: 0px; padding: 0px; list-style: none; } .slider{ position: relative; margin: 50px auto; width: 800px; height: 200px; overflow: hidden; } .slider ul{ position: absolute; width: 3200px; height: 200px; } .slider ul li{ float: left; width: 800px; height: 200px; } .slider ul li img{ width: 800px; height: 200px; } .slider .num{ position: absolute; right: 20px; bottom: 20px; } .slider .num span{ display: block; float: left; margin-right: 10px; width: 30px; height: 30px; line-height: 30px; color: #fff; background: #ccc; text-align: center; opacity: 0.6; } .slider .num span.active{ background: #1D5D76; } .left{ width:56px; height: 87px; position: absolute; left:10px; top:57px; background: url('images/left-arrow.png'); } .right{ width:56px; height: 87px; position: absolute; right:10px; top:57px; background: url('images/right-arrow.png'); } </ style > </ head > < body > < div id = "slider1" class = "slider" > < ul > < li >< img src = "images/1.jpg" alt = "图片" ></ li > < li >< img src = "images/2.jpg" alt = "图片" ></ li > < li >< img src = "images/3.jpg" alt = "图片" ></ li > < li >< img src = "images/4.jpg" alt = "图片" ></ li > </ ul > </ div > < div id = "slider2" class = "slider" > < ul > < li >< img src = "images/1.jpg" alt = "图片" ></ li > < li >< img src = "images/2.jpg" alt = "图片" ></ li > < li >< img src = "images/3.jpg" alt = "图片" ></ li > < li >< img src = "images/4.jpg" alt = "图片" ></ li > </ ul > </ div > < div id = "slider3" class = "slider" > < ul > < li >< img src = "images/1.jpg" alt = "图片" ></ li > < li >< img src = "images/2.jpg" alt = "图片" ></ li > < li >< img src = "images/3.jpg" alt = "图片" ></ li > < li >< img src = "images/4.jpg" alt = "图片" ></ li > </ ul > </ div > < script type = "text/javascript" src = "jQuery.slider.js" ></ script > < script > $(document).ready(function(){ $("#slider1").slider(); $("#slider2").slider({ //autoScroll:false, numCtroll:true }); $("#slider3").slider({ //autoScroll:false, arrowControl:true }); }) </ script > </ body > </ html > |
jQuery.slider.js
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;( function ($) { $.fn.slider= function (options) { var defaults={ autoScroll: true , speed:2000, numCtroll: false , arrowControl: false } var settings=$.extend({},defaults,options), slider=$( this ), ul=slider.find( "ul" ), li=ul.find( "li" ), img=li.find( "imf" ), width=slider.width(), height=slider.height(), len=li.length, timer= null , index=0; // ul.css({width:len*width,height:height}); // li.add(img).css({width:width,height:height}); //判断是否自动轮播 if (settings.autoScroll) { timer=setInterval(pic,settings.speed); } //判断是否显示数字导航,并通过数字导航控制显示图片 if (settings.numCtroll){ slider.append( "<div class='num'></div>" ) for ( var i=0;i<len;i++){ slider.find( ".num" ).append( "<span>" +(i+1)+ "</span>" ); } slider.find( ".num span" ).eq(0).addClass( "active" ); slider.find( ".num span" ).on( "mouseover" , function () { $( this ).addClass( "active" ).siblings().removeClass( "active" ); showPic($( this ).index()); }) } //判断是够显示左右按钮,并通过左右按钮控制显示图片 if (settings.arrowControl){ slider.append( "<span class='left'></span><span class='right'></span>" ); var prev = slider.find( ".left" ); var next = slider.find( ".right" ); prev.on( "click" , function (){ index-=1 if (index == -1 ){ index=len-1; } showPic(index); }) next.on( "click" , function (){ index+=1 if (index==len){ index=0; } showPic(index); }) } //鼠标移入时停止自动轮播 slider.on( "mouseover" , function (){ clearInterval(timer); }); //鼠标移出时,检查autoScroll的值若为true则继续自动轮播 slider.on( "mouseleave" , function (){ if (settings.autoScroll) { timer=setInterval(pic,settings.speed); } }); //设置index的值,并显示相应的图片 function pic(){ index++; if (index==len){ index=0; } showPic(index); } //显示正确的图片 function showPic(index){ ul.animate({ left:-index*width }); slider.find( ".num span" ).eq(index).addClass( "active" ).siblings().removeClass( "active" ); } } })(jQuery); |
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/willard_cui/article/details/81916455