实现功能描述：
1、实现搜索框的智能提示
2、第二次浏览器缓存结果
3、实现仿百度搜索
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<script src="js/jquery-1.8.3.min.js"></script>
<script src="jsPlugin/autocomplete/jquery.autocomplete.js"></script>
<style>
* { margin: 0px; padding: 0px; }
#wrapper { height: 100%; padding-top: 100px; }
.s-skin-container { position: fixed; _position: absolute; top: 0; left: 0; height: 100%; width: 100%; min-width: 1000px; z-index: -10; background-position: center 0; background-repeat: no-repeat; background-size: cover; -webkit-background-size: cover; -o-background-size: cover; zoom: 1; }
.s-form { width: 700px; height: 100%; min-height: 293px; margin: 0 auto 0 auto; text-align: left; z-index: 100; } form { margin: 8px 0 0 25px; }
input { outline: none; }
#s_kw_wrap { display: inline-block; zoom: 1; vertical-align: top; width: 500px; }
#kw { width: 488px; padding: 10px 9px 10px 7px; border: 0; background-image: none; height: 20px; line-height: 20px; box-shadow: 0 1px 3px rgba(0,0,0,0.2); -webkit-box-shadow: 0 1px 3px rgba(0,0,0,0.2); -moz-box-shadow: 0 1px 3px rgba(0,0,0,0.2); } .s_btn_wr { display: inline-block; zoom: 1; vertical-align: top; width: 102px; height: 38px; border: 1px solid #38f; border-bottom: 1px solid #2e7ae5; background-color: #38f; }
.btn { cursor: pointer; width: 102px; height: 38px; line-height: 38px; padding: 0; border: 0; background: none; background-color: #38f; font-size: 16px; color: white; box-shadow: none; font-weight: normal; }
.btn:hover { height: 39px; _height: 38px; background-color: #317ef3; border-bottom: 1px solid #2868c8; box-shadow: 1px 1px 1px #ccc; } /*选择提示项*/
.autocomplete-suggestions { -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; border: 1px solid #ccc; background: #FFF; cursor: default; overflow: auto; -webkit-box-shadow: 1px 4px 3px rgba(50, 50, 50, 0.64); -moz-box-shadow: 1px 4px 3px rgba(50, 50, 50, 0.64); box-shadow: 1px 4px 3px rgba(50, 50, 50, 0.64); }
.autocomplete-suggestion { padding: 2px 5px; white-space: nowrap; overflow: hidden; }
.autocomplete-no-suggestion { padding: 2px 5px; }
.autocomplete-selected { background: #F0F0F0; }
.autocomplete-suggestions strong { font-weight: bold; color: #ff6a00; }
.autocomplete-group { padding: 2px 5px; }
.autocomplete-group strong { font-weight: bold; font-size: 16px; color: #000; display: block; border-bottom: 1px solid #000; }
</style>
</head>
<body>
<div id="wrapper">
<div class="s-skin-container" style="background-image: url(https://ss2.bdstatic.com/lfoZeXSm1A5BphGlnYG/skin/5.jpg);"></div>
<div class="s-form">
<form action="#">
<span id="s_kw_wrap">
<input type="text" id="kw" maxlength="100" autocomplete="off" />
</span>
<span class=" s_btn_wr">
<input type="submit" value="搜索一下" class="btn" />
</span>
</form>
</div>
</div>
<script>
$(function () {
$("#kw").focus(); $("#kw").autocomplete({
ajaxSettings: { url: "/ajax/autoHandler.ashx" }
})
})
</script>
</body>
</html>
后端代码
/// <summary>
/// 提供搜索数据
/// </summary>
public class autoHandler : IHttpHandler, IRequiresSessionState
{
public HttpRequest Request
{
get
{
return HttpContext.Current.Request;
}
} public void ProcessRequest(HttpContext context)
{
context.Response.ContentType = "application/json";
string query = Request["query"];
object data = null;
if (!string.IsNullOrEmpty(query))
{
List<AutoKeyWordEntity> list = GetSearchList(query);
data = list;
} var newData = new { suggestions = data };
string jsonData = JsonConvert.SerializeObject(newData);
context.Response.Write(jsonData); } private List<AutoKeyWordEntity> GetSearchList(string query)
{
List<AutoKeyWordEntity> list = new List<AutoKeyWordEntity>();
if (query.Contains("百") || query.Contains("b"))
{
list.Add(new AutoKeyWordEntity() { value = "百度" });
list.Add(new AutoKeyWordEntity() { value = "b百度" });
}
else if (query.Contains("360") || query.Contains("3") || query.Contains("6"))
{
list.Add(new AutoKeyWordEntity() { value = "360" });
list.Add(new AutoKeyWordEntity() { value = "3" });
list.Add(new AutoKeyWordEntity() { value = "360搜索" });
}
else if (query.Contains("神"))
{
list.Add(new AutoKeyWordEntity() { value = "神马搜索" });
}
else if (query.Contains("1"))
{
list.Add(new AutoKeyWordEntity() { value = "1一个人" });
}
else
{
list.Add(new AutoKeyWordEntity() { value = "我的网" });
}
return list;
}
public class AutoKeyWordEntity
{
public string value { get; set; }
} public bool IsReusable
{
get { return true; }
}
}
效果：
下载地址 http://www.jq22.com/jquery-info12967