ajax模拟关键字智能匹配搜索效果

2016-12-22 21:18:25来源:CSDN作者:xiaozhi_2016人点击

准备数据keyword.json:(这里只贴出部分数据)

[  {"id":1,"initial":"ad","keyword":"奥迪"},  {"id":2,"initial":"ada4l","keyword":"奥迪A4L"},  {"id":3,"initial":"ada6l","keyword":"奥迪A6L"},  {"id":4,"initial":"adq5","keyword":"奥迪Q5"},  {"id":5,"initial":"ada3","keyword":"奥迪A3"},  {"id":6,"initial":"adq7","keyword":"奥迪Q7(进口)"},  {"id":7,"initial":"ada8","keyword":"奥迪A8L(进口)"},  {"id":8,"initial":"bm","keyword":"宝马"},  {"id":9,"initial":"bm5x","keyword":"宝马5系"},  {"id":10,"initial":"bm7x","keyword":"宝马7系"},  {"id":11,"initial":"bt","keyword":"本田"},  {"id":12,"initial":"bqsbx25","keyword":"北汽绅宝 X25"},  {"id":13,"initial":"bqsbx35","keyword":"北汽绅宝X35"},  {"id":14,"initial":"bqsbx55","keyword":"北汽绅宝X55"}]
html结构

<form class="fl search_form" action="#" method="post">    <input class="search_text" id="searchKey" type="search" placeholder="请输入搜索关键字" onkeyup="searchSuggest(this);"/>    <input class="search_btn" type="submit" value="搜索"/></form><!--start--智能搜索关键字匹配弹出层--><ul class="keywords_list"></ul><!--end--智能搜索关键字匹配弹出层-->

js:

//当在搜索框输入内容时,根据关键字匹配,显示弹出层function searchSuggest(obj){   var searchKey=$(obj).val();    var reg = new RegExp(searchKey,"i"); //忽略大小写匹配搜索框中输入的内容  $.ajax({    type:"get",    url:"data/keyword.json",    dataType:"json",    success:function(data){      var arr=[];      for(var i=0,len=data.length;i<len;i++){        if(searchKey!="" && (data[i].initial.search(reg)!=-1 || data[i].keyword.search(reg)!=-1))  {      	   arr.push("<li onclick='changeSearchKey(this);'>"+data[i].keyword+"</li>");         }      }     	  	        $(".keywords_list").html(arr).show();    }  });}//单击匹配列表中的关键字选项时,将该关键字显示在搜索框中function changeSearchKey(obj){   var value=$(obj).text();  $("#searchKey").val(value);  $('.keywords_list').hide(); }

效果图:



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