jquery实现必应的自动下拉搜索功能

    xiaoxiao2022-06-24  73

    <!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <title></title> <style type="text/css"> body{background-color: #333;} .big-img{background-image: url(img/river.jpg); background-repeat: no-repeat; width:1228px;height:690px;margin: 0 auto;position: relative;} .logo{background: url(img/logo.png)left top no-repeat;width: 107px;height: 53px; float: left;margin: -4px 18px 0 0;} .formSearch{float: left; background-color: #FFFFFF; padding: 5px;} .formSearch input{float: left;} .inputText{height: 25px;line-height: 25px; width: 350px; border: 0;outline: none;font-size: 18px;} .inputButton{height: 25px;line-height: 25px;border: 0;width: 29px;height: 29px;background: url(img/search-button.png) left top no-repeat;} .searchBox{margin: 150px 0 0 200px;position: absolute;} .searchTip{ width: 388px; background-color: #FFFFFF;border: 1px solid #999;} .searchTip ul{list-style: none; margin: 0;padding: 0;} .searchTip ul li{padding: 3px; font-size: 14px;line-height: 25px;cursor: pointer;} .searchTip ul li:hover{background-color: #e5e5e5; text-decoration: underline;} </style> <script type="text/javascript" src="js/jquery-1.11.0.js" ></script> </head> <body> <div class="big-img"> <div class="searchBox"> <div class="logo"> </div> <form class="formSearch" id="searchForm" action="https://cn.bing.com/search" method="get" target="_blank"> <input type="text" class="inputText" id="searchInput" name="q" autocomplete="off"/> <input type="submit" value="" class="inputButton"/> </form> </div> </div> <div class="searchTip" id="searchIdTip" style="display: none;"> <ul id="searchResult"> <li>1</li> <li>2</li> <li>3</li> </ul> </div> <script> var d,len,result; var Arr = []; var searchText; var callback=function(d){ // alert(d.length); len = d.length; result = d; // console.log(len); } $("#searchInput").bind("keyup",function(){ searchText = $("#searchInput").val(); Arr.push(searchText); $.ajax({ type:"get", url:'http://api.bing.com/qsonhs.aspx?q='+Arr[0], async:false, dataType:"json", success:function(d){ d = d.AS.Results[0].Suggests; var html = ''; for(var i = 0;i<d.length;i++){ html+="<li>"+d[i].Txt+"</li>" } $("#searchResult").html(html); $("#searchIdTip").show().css({ top:$("#searchForm").offset().top + $("#searchForm").height()+10, left:$("#searchForm").offset().left, position:"absolute" }); callback(d); } }); }); var index=0; $("#searchInput").keyup(function(e){ if(e.keyCode == 40){ index++; $("#searchResult li").eq(index-1).css("background-color","#e5e5e5"); $("#searchResult li").eq(index-1).css("text-decoration","underline"); // console.log(result[index-1].Txt); $("#searchInput").val(result[index-1].Txt); if(index==len){ index = 0; } }else if(e.keyCode == 38){ index--; // console.log(index); if(index == -1){ index = len-1; } $("#searchResult li").eq(index-1).css("background-color","#e5e5e5"); $("#searchResult li").eq(index-1).css("text-decoration","underline"); $("#searchInput").val(result[index-1].Txt); } }) $(document).bind("click",function(){ $('#searchIdTip').hide(); }); $("#searchResult").delegate("li","click",function(){ var keyword = $(this).text(); location.href = 'https://cn.bing.com/search?q='+keyword; }); </script> </body> </html>
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