Implementation of address book initial letter search function

This time I will bring you the implementation of the first letter retrieval function in the address book. What are the precautions for implementing the first letter retrieval function in the address book? The following is a practical case, let’s take a look.

The main code is as follows:

nbsp;html>


  <meta>
  <meta>
  <meta>
  <meta>
  <meta>
  <meta>
  <title>通讯录首字母检索</title>
  <link>


  <header>
    <p>
      通讯录
    </p>
  </header>
  <p></p>
  <p>
    </p><p>
      </p><p>
        <img  src="/static/imghwm/default1.png" data-src="./img/img.png" class="lazy" alt="Implementation of address book initial letter search function" >
      </p>
      <p>张三</p>
    
    <p>
      </p><p>
        <img  src="/static/imghwm/default1.png" data-src="./img/img.png" class="lazy" alt="Implementation of address book initial letter search function" >
      </p>
      <p>李四</p>
    
    <p>
      </p><p>
        <img  src="/static/imghwm/default1.png" data-src="./img/img.png" class="lazy" alt="Implementation of address book initial letter search function" >
      </p>
      <p>王五</p>
    
    <p>
      </p><p>
        <img  src="/static/imghwm/default1.png" data-src="./img/img.png" class="lazy" alt="Implementation of address book initial letter search function" >
      </p>
      <p>刘六</p>
    
    <p>
      </p><p>
        <img  src="/static/imghwm/default1.png" data-src="./img/img.png" class="lazy" alt="Implementation of address book initial letter search function" >
      </p>
      <p>马七</p>
    
    <p>
      </p><p>
        <img  src="/static/imghwm/default1.png" data-src="./img/img.png" class="lazy" alt="Implementation of address book initial letter search function" >
      </p>
      <p>黄八</p>
    
    <p>
      </p><p>
        <img  src="/static/imghwm/default1.png" data-src="./img/img.png" class="lazy" alt="Implementation of address book initial letter search function" >
      </p>
      <p>莫九</p>
    
    <p>
      </p><p>
        <img  src="/static/imghwm/default1.png" data-src="./img/img.png" class="lazy" alt="Implementation of address book initial letter search function" >
      </p>
      <p>陈十</p>
    
    <p>
      </p><p>
        <img  src="/static/imghwm/default1.png" data-src="./img/img.png" class="lazy" alt="Implementation of address book initial letter search function" >
      </p>
      <p>a九</p>
    
    <p>
      </p><p>
        <img  src="/static/imghwm/default1.png" data-src="./img/img.png" class="lazy" alt="Implementation of address book initial letter search function" >
      </p>
      <p>1十</p>
    
    <p>
      </p><p>
        <img  src="/static/imghwm/default1.png" data-src="./img/img.png" class="lazy" alt="Implementation of address book initial letter search function" >
      </p>
      <p>黄八</p>
    
    <p>
      </p><p>
        <img  src="/static/imghwm/default1.png" data-src="./img/img.png" class="lazy" alt="Implementation of address book initial letter search function" >
      </p>
      <p>今天</p>
    
    <p>
      </p><p>
        <img  src="/static/imghwm/default1.png" data-src="./img/img.png" class="lazy" alt="Implementation of address book initial letter search function" >
      </p>
      <p>突然</p>
    
    <p>
      </p><p>
        <img  src="/static/imghwm/default1.png" data-src="./img/img.png" class="lazy" alt="Implementation of address book initial letter search function" >
      </p>
      <p>梵蒂冈</p>
    
    <p>
      </p><p>
        <img  src="/static/imghwm/default1.png" data-src="./img/img.png" class="lazy" alt="Implementation of address book initial letter search function" >
      </p>
      <p>快乐的</p>
    
    <p>
      </p><p>
        <img  src="/static/imghwm/default1.png" data-src="./img/img.png" class="lazy" alt="Implementation of address book initial letter search function" >
      </p>
      <p>撒地方</p>
    
    <p>
      </p><p>
        <img  src="/static/imghwm/default1.png" data-src="./img/img.png" class="lazy" alt="Implementation of address book initial letter search function" >
      </p>
      <p>官方</p>
    
    <p>
      </p><p>
        <img  src="/static/imghwm/default1.png" data-src="./img/img.png" class="lazy" alt="Implementation of address book initial letter search function" >
      </p>
      <p>哦</p>
    
    <p>
      </p><p>
        <img  src="/static/imghwm/default1.png" data-src="./img/img.png" class="lazy" alt="Implementation of address book initial letter search function" >
      </p>
      <p>分割</p>
    
    <p>
      </p><p>
        <img  src="/static/imghwm/default1.png" data-src="./img/img.png" class="lazy" alt="Implementation of address book initial letter search function" >
      </p>
      <p>票</p>
    
  
  <p>
    </p>

      
• 
    

     <script></script>   <script></script>   <script></script>

style.css

html,body,p,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,p{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('

A

B

C

D

E

F

G

H

I

J

K

L

M

N

O

P

Q

R

S

T

U

V

W

X

Y

Z

#

');     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() ='A'&&initial' + value + '');   });   if(num!=0){SortBox.append('

#

');}   for (var i =0;i

Final effect:

I believe you have mastered the method after reading the case in this article. For more exciting information, please pay attention to other related articles on the php Chinese website!

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The above is the detailed content of Implementation of address book initial letter search function. For more information, please follow other related articles on the PHP Chinese website!