本文实例讲述了jQuery实现带右侧索引功能的通讯录。分享给大家供大家参考，具体如下：
通过jquery.charfirst.pinyin.js实现点击字母自动定位。实现动态加载通讯录数据。
完整实例代码点击此处本站下载。
主要代码如下：
<!DOCTYPE html><html lang="en"><head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no"> <meta name="apple-mobile-web-app-capable" content="yes"> <meta name="apple-mobile-web-app-status-bar-style" content="black"> <meta name="format-detection" content="telephone=no"> <title>通讯录首字母检索</title> <link rel="stylesheet" href="css/style.css" rel="external nofollow" ></head><body> <header class="fixed"> <div class="header"> 通讯录 </div> </header> <div id="letter" ></div> <div class="sort_box"> <div class="sort_list"> <div class="num_logo"> <img src="./img/img.png" alt=""> </div> <div class="num_name">张三</div> </div> <div class="sort_list"> <div class="num_logo"> <img src="./img/img.png" alt=""> </div> <div class="num_name">李四</div> </div> <div class="sort_list"> <div class="num_logo"> <img src="./img/img.png" alt=""> </div> <div class="num_name">王五</div> </div> <div class="sort_list"> <div class="num_logo"> <img src="./img/img.png" alt=""> </div> <div class="num_name">刘六</div> </div> <div class="sort_list"> <div class="num_logo"> <img src="./img/img.png" alt=""> </div> <div class="num_name">马七</div> </div> <div class="sort_list"> <div class="num_logo"> <img src="./img/img.png" alt=""> </div> <div class="num_name">黄八</div> </div> <div class="sort_list"> <div class="num_logo"> <img src="./img/img.png" alt=""> </div> <div class="num_name">莫九</div> </div> <div class="sort_list"> <div class="num_logo"> <img src="./img/img.png" alt=""> </div> <div class="num_name">陈十</div> </div> <div class="sort_list"> <div class="num_logo"> <img src="./img/img.png" alt=""> </div> <div class="num_name">a九</div> </div> <div class="sort_list"> <div class="num_logo"> <img src="./img/img.png" alt=""> </div> <div class="num_name">1十</div> </div> <div class="sort_list"> <div class="num_logo"> <img src="./img/img.png" alt=""> </div> <div class="num_name">黄八</div> </div> <div class="sort_list"> <div class="num_logo"> <img src="./img/img.png" alt=""> </div> <div class="num_name">今天</div> </div> <div class="sort_list"> <div class="num_logo"> <img src="./img/img.png" alt=""> </div> <div class="num_name">突然</div> </div> <div class="sort_list"> <div class="num_logo"> <img src="./img/img.png" alt=""> </div> <div class="num_name">梵蒂冈</div> </div> <div class="sort_list"> <div class="num_logo"> <img src="./img/img.png" alt=""> </div> <div class="num_name">快乐的</div> </div> <div class="sort_list"> <div class="num_logo"> <img src="./img/img.png" alt=""> </div> <div class="num_name">撒地方</div> </div> <div class="sort_list"> <div class="num_logo"> <img src="./img/img.png" alt=""> </div> <div class="num_name">官方</div> </div> <div class="sort_list"> <div class="num_logo"> <img src="./img/img.png" alt=""> </div> <div class="num_name">哦</div> </div> <div class="sort_list"> <div class="num_logo"> <img src="./img/img.png" alt=""> </div> <div class="num_name">分割</div> </div> <div class="sort_list"> <div class="num_logo"> <img src="./img/img.png" alt=""> </div> <div class="num_name">票</div> </div> </div> <div class="initials"> <ul> <li><img src="./img/068.png"></li> </ul> </div> <script type="text/javascript" src="http://cdn.bootcss.com/jquery/2.2.3/jquery.min.js"></script> <script type="text/javascript" src="js/jquery.charfirst.pinyin.js"></script> <script type="text/javascript" src="js/sort.js"></script></body></html>
style.css
html,body,div,ul,li,ol,a,input,textarea,p,dl,dt,dd{margin:0;padding:0;}ul li{list-style: none;}a{text-decoration: none;cursor: pointer;}html{height: 100%;}body{height: 100%;background: #f5f5f5;position: relative;font-family: '微软雅黑';max-width: 640px;margin:auto;}a,input,img,textarea,span,div{outline: 0;-webkit-tap-highlight-color:rgba(255,0,0,0);}header{ width:100%; height: 45px; background: #ececea; border-bottom: 1px solid #ddd;}header.fixed{ position: fixed; left: 0; top: 0; z-index: 99;}.header{ margin:0 20px; text-align: center; color: #4e4a49; font-size: 1em; height: 45px; line-height: 45px; position: relative;}#letter{ width: 100px; height: 100px; border-radius: 5px; font-size: 75px; color: #555; text-align: center; line-height: 100px; background: rgba(145,145,145,0.6); position: fixed; left: 50%; top: 50%; margin:-50px 0px 0px -50px; z-index: 99; display: none;}#letter img{ width: 50px; height: 50px; float: left; margin:25px 0px 0px 25px;}.sort_box{ width: 100%; padding-top: 45px; overflow: hidden;}.sort_list{ padding:10px 60px 10px 80px; position: relative; height: 40px; line-height: 40px; border-bottom:1px solid #ddd;}.sort_list .num_logo{ width: 50px; height: 50px; border-radius: 10px; overflow: hidden; position: absolute; top: 5px; left: 20px;}.sort_list .num_logo img{ width: 50px; height: 50px;}.sort_list .num_name{ color: #000;}.sort_letter{ background-color: white; height: 30px; line-height: 30px; padding-left: 20px; color:#787878; font-size: 14px; border-bottom:1px solid #ddd;}.initials{ position: fixed; top: 47px; right: 0px; height: 100%; width: 15px; padding-right: 10px; text-align: center; font-size: 12px; z-index: 99; background: rgba(145,145,145,0);}.initials li img{ width: 14px;}sort.js
$(function(){ var Initials=$('.initials'); var LetterBox=$('#letter'); Initials.find('ul').append('<li>A</li><li>B</li><li>C</li><li>D</li><li>E</li><li>F</li><li>G</li><li>H</li><li>I</li><li>J</li><li>K</li><li>L</li><li>M</li><li>N</li><li>O</li><li>P</li><li>Q</li><li>R</li><li>S</li><li>T</li><li>U</li><li>V</li><li>W</li><li>X</li><li>Y</li><li>Z</li><li>#</li>'); initials(); $(".initials ul li").click(function(){ var _this=$(this); var LetterHtml=_this.html(); LetterBox.html(LetterHtml).fadeIn(); Initials.css('background','rgba(145,145,145,0.6)'); setTimeout(function(){ Initials.css('background','rgba(145,145,145,0)'); LetterBox.fadeOut(); },1000); var _index = _this.index() if(_index==0){ $('html,body').animate({scrollTop: '0px'}, 300);//点击第一个滚到顶部 }else if(_index==27){ var DefaultTop=$('#default').position().top; $('html,body').animate({scrollTop: DefaultTop+'px'}, 300);//点击最后一个滚到#号 }else{ var letter = _this.text(); if($('#'+letter).length>0){ var LetterTop = $('#'+letter).position().top; $('html,body').animate({scrollTop: LetterTop-45+'px'}, 300); } } }) var windowHeight=$(window).height(); var InitHeight=windowHeight-45; Initials.height(InitHeight); var LiHeight=InitHeight/28; Initials.find('li').height(LiHeight);})function initials() {//排序 var SortList=$(".sort_list"); var SortBox=$(".sort_box"); SortList.sort(asc_sort).appendTo('.sort_box');//按首字母排序 function asc_sort(a, b) { return makePy($(b).find('.num_name').text().charAt(0))[0].toUpperCase() < makePy($(a).find('.num_name').text().charAt(0))[0].toUpperCase() ? 1 : -1; } var initials = []; var num=0; SortList.each(function(i) { var initial = makePy($(this).find('.num_name').text().charAt(0))[0].toUpperCase(); if(initial>='A'&&initial<='Z'){ if (initials.indexOf(initial) === -1) initials.push(initial); }else{ num++; } }); $.each(initials, function(index, value) {//添加首字母标签 SortBox.append('<div class="sort_letter" id="'+ value +'">' + value + '</div>'); }); if(num!=0){SortBox.append('<div class="sort_letter" id="default">#</div>');} for (var i =0;i<SortList.length;i++) {//插入到对应的首字母后面 var letter=makePy(SortList.eq(i).find('.num_name').text().charAt(0))[0].toUpperCase(); switch(letter){ case "A": $('#A').after(SortList.eq(i)); break; case "B": $('#B').after(SortList.eq(i)); break; case "C": $('#C').after(SortList.eq(i)); break; case "D": $('#D').after(SortList.eq(i)); break; case "E": $('#E').after(SortList.eq(i)); break; case "F": $('#F').after(SortList.eq(i)); break; case "G": $('#G').after(SortList.eq(i)); break; case "H": $('#H').after(SortList.eq(i)); break; case "I": $('#I').after(SortList.eq(i)); break; case "J": $('#J').after(SortList.eq(i)); break; case "K": $('#K').after(SortList.eq(i)); break; case "L": $('#L').after(SortList.eq(i)); break; case "M": $('#M').after(SortList.eq(i)); break; case "N": $('#N').after(SortList.eq(i)); break; case "O": $('#O').after(SortList.eq(i)); break; case "P": $('#P').after(SortList.eq(i)); break; case "Q": $('#Q').after(SortList.eq(i)); break; case "R": $('#R').after(SortList.eq(i)); break; case "S": $('#S').after(SortList.eq(i)); break; case "T": $('#T').after(SortList.eq(i)); break; case "U": $('#U').after(SortList.eq(i)); break; case "V": $('#V').after(SortList.eq(i)); break; case "W": $('#W').after(SortList.eq(i)); break; case "X": $('#X').after(SortList.eq(i)); break; case "Y": $('#Y').after(SortList.eq(i)); break; case "Z": $('#Z').after(SortList.eq(i)); break; default: $('#default').after(SortList.eq(i)); break; } };}最终效果：
PS：这里再为大家推荐一款关于排序的演示工具供大家参考：
在线动画演示插入/选择/冒泡/归并/希尔/快速排序算法过程工具：
http://tools.VeVB.COm/aideddesign/paixu_ys
更多关于jQuery相关内容感兴趣的读者可查看本站专题：《jQuery表格(table)操作技巧汇总》、《jQuery操作json数据技巧汇总》、《jQuery form操作技巧汇总》、《jQuery常用插件及用法总结》、《jQuery扩展技巧总结》及《jquery选择器用法总结》
希望本文所述对大家jQuery程序设计有所帮助。
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