H5实现搜索记录功能

谁践踏了优雅 2022-04-22 13:42 364阅读 0赞

<!DOCTYPE html>  
<html>  
<head lang="en">  
<meta charset="utf-8">  
<title>搜索记录</title>  
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">  
<meta name="apple-mobile-web-app-capable" content="no">  
<meta name="apple-mobile-web-app-status-bar-style" content="black">  
<meta name="format-detection" content="telephone=no">  
<style>  
.history\{text-align:center;\}  
\#sec\{width:50%;overflow:hidden;text-align:left;height:38px;border:1px solid \#ccc;border-radius: 10px;\}  
.delete:after\{clear:both;content:'.';display:block;width: 0;height: 0;visibility:hidden;\}  
.delete>div \{border-radius: 50px;float: left;height: 23px;border: 1px solid \#ccc;background: \#E0E0E0;  
margin-top: 14px;margin-right: 10px;overflow:hidden;\}  
\#search\{width: 141px;height: 37px;font-size: 14px;line-height: 14px;color: \#959595;padding-bottom: 2px;\}  
\#his-dele\{width: 22px;height: 22px;line-height: 22px;display: inline-block;background: \#E0E0E0;color: \#fff;  
border-radius: 50%;text-align: center;margin-left:10px;float: right;position: relative;top: -26px;\}  
</style>  
</head>  
<body>  
<input class="" id="sec">  
<button id="search">搜索</button>  
  
  
<div class="current">最近搜索</div>  
<div class="delete history" style="width: 100%;float: left"></div>  
  
  
<div class="history" id="his-dele">X</div>  
  
  
<div class="Storage" style="width: 100px;height: 100px;margin: 0 auto;">无存储记录</div>  
  
<script src="http://www.htmleaf.com/js/jquery/1.7.2/jquery.min.js"></script>  
  
<script>  
  
/\*搜索记录相关\*/  
  
var hisTime;//获取搜索时间数组  
var hisItem;//获取搜索内容数组  
var firstKey;//获取最早的1个搜索时间  
  
function init ()\{  
  
hisTime = \[\];//时间数组置空  
hisItem = \[\];//内容数组置空  
  
for(var i = 0; i < localStorage.length; i++)\{//数据去重  
if(!isNaN(localStorage.key(i)))\{//判断数据是否合法  
hisTime.push(localStorage.key(i));  
\}  
\}  
  
if(hisTime.length > 0) \{  
hisTime.sort();//排序  
for (var y = 0; y < hisTime.length; y++) \{  
localStorage.getItem(hisTime\[y\]).trim() && hisItem.push(localStorage.getItem(hisTime\[y\]));  
\}  
\}  
  
$(".delete").html("");//执行init(),每次清空之前添加的节点  
$(".Storage").show();  
for(var i = 0; i < hisItem.length; i++)\{  
  
$(".delete").prepend('<div class="word-break">'+hisItem\[i\]+'</div>');  
if(hisItem\[i\] != '')\{  
$(".Storage").hide();  
\}  
\}  
  
\}  
  
init();//调用  
  
$("\#search").click(function()\{  
var value = $("\#sec").val();  
var time = (new Date()).getTime();  
  
if(!value)\{  
alert("你未输入搜索内容");  
return false;  
\}  
//输入的内容localStorage有记录  
  
if($.inArray(value,hisItem) >= 0)\{  
  
for(var j = 0; j < localStorage.length; j++)\{  
if(value == localStorage.getItem(localStorage.key(j)))\{  
localStorage.removeItem(localStorage.key(j));  
\}  
\}  
localStorage.setItem(time,value);  
  
\}else\{  
localStorage.setItem(time,value);  
\}  
init();  
  
\});  
  
//清除记录功能  
$("\#his-dele").click(function()\{  
var f = 0;  
for(;f<hisTime.length;f++)\{  
localStorage.removeItem(hisTime\[f\]);  
\}  
init();  
\});  
  
//苹果手机不兼容出现input无法取值以下是解决方法  
  
$( ".delete" ).on( "click", ".word-break", function() \{  
var div = $(this).text();  
$('\#sec').val(div);  
\});  
  
</script>  
</body>  
</html>