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js實(shí)現(xiàn)多圖左右切換功能

 更新時(shí)間:2016年08月04日 09:00:49   作者:cometwo  
這篇文章主要介紹了js實(shí)現(xiàn)多圖左右切換功能,具有一定的參考價(jià)值,感興趣的小伙伴們可以參考一下

本文實(shí)例為大家分享了js多圖左右切換功能,供大家參考,具體內(nèi)容如下

效果圖:

<html>

 <head>
 <meta charset="utf-8">
 <meta http-equiv="X-UA-Compatible" content="IE=edge">
 <title></title>
 <link rel="stylesheet"  />
 <!--頁(yè)面初始化CSS和頁(yè)面公用頭部的css-->
 <style type="text/css">
 @charset "utf-8";
 html,
 body {
 background-color: #f6f5f5;
 }
 
 .vg-body {
 width: 1390px;
 margin: 0 auto;
 }
 /*任務(wù)成長(zhǎng)值*/
 
 .vg_title {
 font-size: 24px;
 line-height: 24px;
 padding: 20px 0;
 color: #464646;
 }
 
 .vg_task {
 background-color: #fff;
 position: relative;
 }
 
 .vg_task .arrowbtn-left,
 .vg_task .arrowbtn-right {
 position: absolute;
 top: 70px;
 width: 16px;
 height: 20px;
 cursor: pointer;
 }
 
 .vg_task .arrowbtn-left {
 left: 40px;
 border: 1px solid red;
 background: url(../images/arrow-left.png) no-repeat;
 ;
 }
 
 .vg_task .arrowbtn-right {
 right: 40px;border: 1px solid red;
 background: url(../images/arrow-right.png) no-repeat;
 ;
 }
 
 .vg_tasklist {
 width: 1200px;
 overflow: hidden;
 margin: 0 auto;
 }
 
 .vg_tasklist ul {
 width: 999%;
 }
 
 .vg_tasklist li {
 width: 258px;
 height: 130px;
 float: left;
 border: 1px solid #c8c8c8;
 margin: 15px 53px 15px 0;
 position: relative;
 }
 
 .vg_tasklist li .task_hover {
 position: absolute;
 left: -1px;
 top: -1px;
 width: 212px;
 padding: 20px 25px 20px 23px;
 height: 90px;
 border-bottom: 2px solid #e65a5a;
 overflow: hidden;
 background-color: #f0f0f0;
 display: none;
 }
 
 .vg_tasklist li:hover .task_hover {
 display: block;
 }
 
 .task_hover .task_desc {
 font-size: 16px;
 line-height: 20px;
 color: #646464;
 }
 
 .task_hover .task_limittimes {
 font-size: 14px;
 color: #787878;
 float: left;
 padding-top: 12px;
 }
 
 .vg_tasklist li img {
 float: left;
 margin: 22px 8px 20px 20px;
 }
 
 .vg_tasklist li .rightinfo {
 width: 136px;
 float: left;
 text-align: center;
 }
 
 .rightinfo h3 {
 font-size: 16px;
 color: #646464;
 padding-top: 15px;
 }
 
 .rightinfo p {
 font-size: 14px;
 line-height: 26px;
 color: #787878;
 }
 
 .rightinfo a,
 .task_hover a {
 display: block;
 text-align: center;
 width: 96px;
 height: 30px;
 line-height: 30px;
 border: 2px solid #e65a5a;
 border-radius: 5px;
 font-size: 16px;
 font-weight: 700;
 color: #e65a5a;
 }
 
 .task_hover a.done,
 .task_hover a.done:hover {
 background-color: #b4b4b4;
 color: #fff;
 border-color: #b4b4b4;
 cursor: default;
 }
 
 .rightinfo a {
 margin: 12px auto 0;
 }
 
 .task_hover a {
 float: right;
 margin-top: 18px;
 margin-right: -4px;
 }
 
 .task_hover a:hover {
 text-decoration: none;
 background-color: #e65a5a;
 color: #fff;
 }
 /*grid-1230*/
 
 .grid-1230 .vg-body {
 width: 1210px;
 }
 
 .grid-1230 .vg_tasklist {
 width: 1090px;
 }
 
 .grid-1230 .vg_tasklist li {
 margin-right: 16px;
 }
 
 .grid-1230 .vg_task .arrowbtn-left {
 left: 33px;
 }
 
 .grid-1230 .vg_task .arrowbtn-right {
 right: 33px;
 }
 
 .grid-1230 .vg_growth_table {
 padding: 24px 30px;
 }
 
 .grid-1010 .vg-body {
 width: 990px;
 }
 
 .grid-1010 .vg_tasklist {
 width: 850px;
 }
 
 .grid-1010 .vg_tasklist li {
 margin-right: 35px;
 }
 
 .grid-1010 .vg_task .arrowbtn-left {
 left: 30px;
 }
 
 .grid-1010 .vg_task .arrowbtn-right {
 right: 30px;
 }
 
 .grid-1010 .vg_growth_table {
 padding: 24px;
 }
 </style>
 <!--新增樣式的css,名稱可根據(jù)具體需求修改-->
 <script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
 <script>
 window.onresize = function() {
 var winWidth = document.body.clientWidth;
 if(winWidth <= 1230) {
  body.className = "grid-1010";
 } else if(winWidth <= 1410) {
  body.className = "grid-1230";
 } else if(winWidth > 1410) {
  body.className = "grid-1410";
 } else {
  alert("do not know!");
 }
 }
 </script>
 </head>

 <body id="body">
 <script>
 //初始化狀態(tài)顯示樣式判斷,放在body后面
 var winWidth = document.body.clientWidth;
 if(winWidth <= 1230) {
 body.className = "grid-1010";
 } else if(winWidth <= 1410) {
 body.className = "grid-1230";
 } else if(winWidth > 1410) {
 body.className = "grid-1410";
 } else {
 alert("do not know!");
 }
 </script>
 <div class="vg-body">
 <!--任務(wù)成長(zhǎng)值 開(kāi)始-->
 <div class="vg_title">
 <p>任務(wù)成長(zhǎng)值</p>
 </div>
 <div class="vg_task">
 <div class="arrowbtn-left"></div>
 <div class="arrowbtn-right"></div>
 <div class="vg_tasklist">
  <ul class="cf" id="switchPic">
  <li>
  <img src="images/task_year.png">
  <div class="rightinfo">
  <h3>開(kāi)通年費(fèi)會(huì)員</h3>
  <p>獎(jiǎng)勵(lì)成長(zhǎng)值<span>200</span>點(diǎn)</p>
  <a href="javascript:;">已完成></a>
  </div>
  <div class="task_hover">
  <p class="task_desc">一次性開(kāi)通年費(fèi)會(huì)員(12個(gè)月及以上)</p>
  <p class="task_limittimes">月限<span>1</span>次</p>
  <a href="javascript:;" class="done">已完成</a>
  </div>
  </li>
  <li>
  <img src="images/task_lianxubaoyue.png">
  <div class="rightinfo">
  <h3>開(kāi)通連續(xù)包月</h3>
  <p>獎(jiǎng)勵(lì)成長(zhǎng)值<span>10</span>點(diǎn)</p>
  <a href="javascript:;">去完成></a>
  </div>
  <div class="task_hover">
  <p class="task_desc">一次性開(kāi)通年費(fèi)會(huì)員(12個(gè)月及以上)</p>
  <p class="task_limittimes">月限<span>1</span>次</p>
  <a href="javascript:;">去完成></a>
  </div>
  </li>
  <li>
  <img src="images/task_year.png">
  <div class="rightinfo">
  <h3>升級(jí)成為SVIP</h3>
  <p>獎(jiǎng)勵(lì)成長(zhǎng)值<span>10</span>點(diǎn)</p>
  <a href="javascript:;">去完成></a>
  </div>
  <div class="task_hover">
  <p class="task_desc">一次性開(kāi)通年費(fèi)會(huì)員(12個(gè)月及以上)</p>
  <p class="task_limittimes">月限<span>1</span>次</p>
  <a href="javascript:;">去完成></a>
  </div>
  </li>
  <li>
  <img src="images/task_year.png">
  <div class="rightinfo">
  <h3>關(guān)注微信公眾號(hào)</h3>
  <p>獎(jiǎng)勵(lì)成長(zhǎng)值<span>10</span>點(diǎn)</p>
  <a href="javascript:;">去完成></a>
  </div>
  <div class="task_hover">
  <p class="task_desc">一次性開(kāi)通年費(fèi)會(huì)員(12個(gè)月及以上)</p>
  <p class="task_limittimes">月限<span>1</span>次</p>
  <a href="javascript:;">去完成></a>
  </div>
  </li>
  <li>
  <img src="images/task_year.png">
  <div class="rightinfo">
  <h3>任務(wù)555555555</h3>
  <p>獎(jiǎng)勵(lì)成長(zhǎng)值<span>10</span>點(diǎn)</p>
  <a href="javascript:;">去完成></a>
  </div>
  <div class="task_hover">
  <p class="task_desc">一次性開(kāi)通年費(fèi)會(huì)員(12個(gè)月及以上)</p>
  <p class="task_limittimes">月限<span>1</span>次</p>
  <a href="javascript:;">去完成></a>
  </div>
  </li>
  <li>
  <img src="images/task_year.png">
  <div class="rightinfo">
  <h3>任務(wù)666666666</h3>
  <p>獎(jiǎng)勵(lì)成長(zhǎng)值<span>10</span>點(diǎn)</p>
  <a href="javascript:;">去完成></a>
  </div>
  <div class="task_hover">
  <p class="task_desc">一次性開(kāi)通年費(fèi)會(huì)員(12個(gè)月及以上)</p>
  <p class="task_limittimes">月限<span>1</span>次</p>
  <a href="javascript:;">去完成></a>
  </div>
  </li>
  <li>
  <img src="images/task_year.png">
  <div class="rightinfo">
  <h3>任務(wù)7777777</h3>
  <p>獎(jiǎng)勵(lì)成長(zhǎng)值<span>10</span>點(diǎn)</p>
  <a href="javascript:;">去完成></a>
  </div>
  <div class="task_hover">
  <p class="task_desc">一次性開(kāi)通年費(fèi)會(huì)員(12個(gè)月及以上)</p>
  <p class="task_limittimes">月限<span>1</span>次</p>
  <a href="javascript:;">去完成></a>
  </div>
  </li>
  </ul>
 </div>
 </div>
 <!--任務(wù)成長(zhǎng)值 結(jié)束-->
 </div>
 </body>
 <script>
 //task growth
 var switchPic = (function() {

 /*
now:當(dāng)前第幾個(gè)li
linum:總共幾個(gè)li
shownum:要展示幾個(gè)li
w_li:li的寬度
marginR_li:li的右邊距
*/
 var now = 1;
 var linum, shownum, offset, w_li, marginR_li, pre, next, wrap;

 function init(o) {
 pre = o.preBtn;
 next = o.nextBtn;
 wrap = o.wrap;
 bindBtn();
 }

 function btnShow() {
 getInfo();
 if(linum <= shownum) { //如果li總個(gè)數(shù)小于要展示的個(gè)數(shù),pre和next都不顯示
  pre.hide();
  next.hide();
 } else if(now == 1) { //初始化,只顯示next
  pre.hide();
  next.show();
 } else if(now == linum - shownum + 1) { //到最后一組,只顯示pre
  pre.show();
  next.hide();
 } else { //中間pre,next都顯示。
  pre.show();
  next.show();
 }
 }

 function getInfo() {
 linum = $("#switchPic").find("li").size();
 if($("#body").hasClass("grid-1010")) {
  shownum = 3;
  w_li = wrap.find("li").outerWidth(); //算上了border的寬度
  marginR_li = parseInt(wrap.find("li").css("marginRight"));
  offset = w_li + marginR_li;
 } else if($("#body").hasClass("grid-1230")) {
  shownum = 4;
  w_li = wrap.find("li").outerWidth(); //算上了border的寬度
  marginR_li = parseInt(wrap.find("li").css("marginRight"));
  offset = w_li + marginR_li;
 } else if($("#body").hasClass("grid-1410")) {
  shownum = 4;
  w_li = wrap.find("li").outerWidth(); //算上了border的寬度
  marginR_li = parseInt(wrap.find("li").css("marginRight"));
  offset = w_li + marginR_li;
 }
 }

 function bindBtn() {
 btnShow();
 next.on("click", function() {
  now++;
  btnShow();
  wrap.stop(true).animate({
  "margin-left": -(now - 1) * offset
  });
 });
 pre.on("click", function() {
  now--;
  btnShow();
  wrap.stop(true).animate({
  "margin-left": -(now - 1) * offset
  });
 });

 $(window).resize(function() {
  now = 1;
  btnShow();
  wrap.animate({
  "margin-left": 0
  });
 });
 }
 return {
 init: init
 }
 })();

 switchPic.init({
 preBtn: $(".arrowbtn-left"),
 nextBtn: $(".arrowbtn-right"),
 wrap: $("#switchPic")
 });
 </script>

</html>

 以上就是本文的全部?jī)?nèi)容,希望對(duì)大家的學(xué)習(xí)有所幫助,也希望大家多多支持腳本之家。

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