原帖地址：http://www.cnblogs.com/zengxiangzhan/archive/2009/12/13/1623158
全部代码在0--2楼
- HTML code
页面：<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"> <title>seach</title> <script type="text/javascript" src="jquery.min.js" ></script> <script type="text/javascript" src="js.js"></script> <link href="css.css" rel="stylesheet" type="text/css" /> </head><body> <form id="form1" runat="server"> <div onClick="keyup_close();"> <ul> <li class="h_14"> <iframe style="DISPLAY: none" id="if_keyup" name="if_keyup"></iframe> <input id="kw" name="kw" class="h_15" onKeyUp="keyup(event)" autocomplete="off" /> <div style="DISPLAY: none" id="keyup_d" class="sokeyup" ></div> </li> <li class="h_16"> <input style="CURSOR: pointer" onClick="so_search();" src="searchbuttom.gif" type="image" /> </li> </ul> </div> </form></body></html> css:UL { padding: 0px; LIST-STYLE-TYPE: none; MARGIN: 0px; LIST-STYLE-IMAGE: none; height: 52px; }LI { PADDING-BOTTOM: 0px; LIST-STYLE-TYPE: none; MARGIN: 0px; PADDING-LEFT: 0px; PADDING-RIGHT: 0px; LIST-STYLE-IMAGE: none; PADDING-TOP: 0px}.h_14 { BACKGROUND-IMAGE: url(text_search.jpg); TEXT-ALIGN: left; PADDING-BOTTOM: 1px; LINE-HEIGHT: 26px; MARGIN-TOP: 3px; PADDING-LEFT: 4px; WIDTH: 245px; BACKGROUND-REPEAT: no-repeat; BACKGROUND-POSITION: center 50%; FLOAT: left; HEIGHT: 26px; MARGIN-LEFT: 3px; VERTICAL-ALIGN: middle; OVERFLOW: hidden; MARGIN-RIGHT: 3px; PADDING-TOP: 2px}.h_15 { BORDER-BOTTOM: 0px; BORDER-LEFT: 0px; PADDING-BOTTOM: 0px; LINE-HEIGHT: 20px; PADDING-LEFT: 0px; WIDTH: 240px; PADDING-RIGHT: 0px; DISPLAY: block; FLOAT: left; HEIGHT: 20px; MARGIN-LEFT: 0px; FONT-SIZE: 14px; VERTICAL-ALIGN: middle; BORDER-TOP: 0px; BORDER-RIGHT: 0px; PADDING-TOP: 4px}.h_16 { WIDTH: 57px; FLOAT: left; HEIGHT: 32px; OVERFLOW: hidden; CURSOR: pointer}.sokeyup { Z-INDEX: 10000; BORDER-BOTTOM: #000000 1px solid; POSITION: absolute; BORDER-LEFT: #000000 1px solid; WIDTH: 245px; DISPLAY: none; CLEAR: both; OVERFLOW: hidden; BORDER-TOP: #000000 1px solid; BORDER-RIGHT: #000000 1px solid}.sokeyup_1 { LINE-HEIGHT: 20px; PADDING-LEFT: 4px; WIDTH: 237px; PADDING-RIGHT: 4px; HEIGHT: 20px; CLEAR: both; OVERFLOW: hidden}.sokeyup_2 { LINE-HEIGHT: 20px; WIDTH: 140px; FLOAT: left; HEIGHT: 20px; COLOR: #4c4c4c}.sokeyup_3 { TEXT-ALIGN: right; LINE-HEIGHT: 20px; WIDTH: 97px; FLOAT: right; HEIGHT: 20px; COLOR: #008000}.sokeyup_4 { LINE-HEIGHT: 20px; WIDTH: 237px; HEIGHT: 20px}.sokeyup_5 { LINE-HEIGHT: 20px; FLOAT: right; HEIGHT: 20px; COLOR: #0000cc; CURSOR: pointer; TEXT-DECORATION: underline}------解决方案--------------------------------------------------------
- JScript code
js: function so_search(){ var kw = $("#kw").val(); var kid = 0; var kname=$("#select_kid")(); kw = encodeURI(kw); if(kw == ''){ alert("请输入要查找的关键词"); }else{ location.href="search-"+kw+""; } } //关闭搜索提示function keyup_close(){ $("#keyup_d").hide(); }//function keyup_over(id){ $("#u_"+id).css("background-color","#0000CC"); $("#l_"+id).css("color","#fff");}function keyup_out(id){ $("#u_"+id).css("background-color","#fff"); $("#l_"+id).css("color","#000");}function keyup_click(id){ $("#keyup_d").hide(); var kw=$("#l_"+id)(); kw = encodeURI(kw); location.href="search-"+kw+"";}function keyup(event){ if(window.event){ var key =window.event.keyCode; }else{ var key =event.which; } if(key!=38&&key!=40&&key!=13){ var kw=$("#kw").val(); //跨域获取搜索提示 var url ="JsonHandler.ashx?kw=" + encodeURI(kw) + "&time=" + new Date().toString();//中文 $.get(url,function(data){ if (data!='') { $("#keyup_d")(data+'<ul class="sokeyup_4"><li id="l_0" style="display:none;"></li><li class="sokeyup_5" onclick="keyup_close()">关闭</li></ul>'); $("#keyup_d").show(); } else { $("#keyup_d").hide(); } } ); }} var ul_id=0;$(window).keydown(function(event){ if(window.event){ var key =window.event.keyCode; }else{ var key =event.which; } if (key==13) { if (searchFocus == true) { } } var ulcount=$("#keyup_d ul").size()-1; if($("#keyup_d").css("display")=="block"){ //向上 $("#l_0")($("#kw").val()); if(key==13) { if ($("#kw").val()!= "") { so_search(); } } if (key==38) { ul_id--; if(ul_id<0){ ul_id = ulcount; keyup_over(ul_id); }else{ keyup_out(ul_id+1); keyup_over(ul_id); } $("#kw").val($("#l_"+ul_id)()); return false; } //向下 if (key==40 ) { $("#l_0")($("#kw").val()); ul_id++; if(ul_id>ulcount){ ul_id=0; keyup_out(ulcount); }else{ keyup_out(ul_id-1); keyup_over(ul_id); } $("#kw").val($("#l_"+ul_id)()); return false; } }});