我是靠谱客的博主 怕孤单萝莉,这篇文章主要介绍ASP模仿google suggest风格实现下拉菜单效果,现在分享给大家,希望可以做个参考。

今天和大家一起利用ASP模仿实现google suggest风格的下拉菜单,直接上代码

1.前台代码:

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<%@LANGUAGE="JAVASCRIPT" CODEPAGE="936"%> <!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"> <style type="text/css"> <!-- .style1 {color: #FF0000} .mouseOut { font-size:12px; background: #708090; color: #FFFAFA; }    .mouseOver { font-size:12px; background: #FFFAFA; color: #000000; } --> </style>    <script type="text/javascript" language="javascript">     var xmlHttp;     var completeDiv;     var inputField;     var nameTable;     var nameTableBody;     var flag=false;        function createXMLHttpRequest() {       if (window.ActiveXObject) {         xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");       }       else if (window.XMLHttpRequest) {         xmlHttp = new XMLHttpRequest();               }     }          function setflag(){       flag = true;     }          function DisSelect()     {       if(flag==false)       document.getElementById("popup").style.display="none";     }        function initVars() {       inputField = document.getElementById("frmchangshang");             nameTable = document.getElementById("name_table");       completeDiv = document.getElementById("popup");       nameTableBody = document.getElementById("name_table_body");       document.getElementById("popup").style.display="block";     }        function findNames() {       initVars();       if (inputField.value.length > 0)   {         createXMLHttpRequest();         var url = "search.asp?names=" + inputField.value;          xmlHttp.open("GET", url, true);         xmlHttp.onreadystatechange = callback;         xmlHttp.send(null);       }   else   {         clearNames();       }     }        function callback() {       if (xmlHttp.readyState == 4) {         if (xmlHttp.status == 200)         {    try           {             var name = xmlHttp.responseXML.getElementsByTagName("name") [0].firstChild.data;           }           catch(e)           {             document.getElementById("popup").style.display="none";             clearNames();           }           setNames(xmlHttp.responseXML.getElementsByTagName("content"));         }         else if (xmlHttp.status == 204)         {           clearNames();         }       }     }          function setNames(the_names) {             clearNames();       var size = the_names.length;       setOffsets();       var row,cell,spans;       for (var i = 0; i < size; i++) {         //var nextNode = the_names[i].firstChild.data;   var e = the_names[i];   //取得子节点内容,重新装载为数组   var nextNode=e.getElementsByTagName("name")[0].firstChild.data;   //创建tr,td,span元素         row =document.createElement("tr");         cell =document.createElement("td");   //spans=document.createElement("span");   //设置cell属性         cell.onmouseout = function() {this.className='mouseOver'; flag=false;};         cell.onmouseover = function() {this.className='mouseOut'; flag=true;};         cell.setAttribute("bgcolor","#FFFAFA");         cell.setAttribute("border","0");         //cell.setAttribute("onmouseover","setflag()");         cell.onclick = function() { populateName(this); };   //将nextNode添加到td   var txtName = document.createTextNode(nextNode);   cell.appendChild(txtName);   //装载隐藏数据到span元素   row.appendChild(cell);         nameTableBody.appendChild(row);       }     }        function setOffsets() {       var end = inputField.offsetWidth;       var left = calculateOffsetLeft(inputField);       var top = calculateOffsetTop(inputField) + inputField.offsetHeight;          completeDiv.style.border = "black 1px solid";       completeDiv.style.left = left + "px";       completeDiv.style.top = top + "px";       nameTable.style.width="400px";     }          function calculateOffsetLeft(field) {      return calculateOffset(field, "offsetLeft");     }        function calculateOffsetTop(field) {      return calculateOffset(field, "offsetTop");     }        function calculateOffset(field, attr) {      var offset = 0;      while(field) {       offset += field[attr];       field = field.offsetParent;      }      return offset;     }        function populateName(cell) {   //填充数据到web页面,cell---->td对象       inputField.value = cell.firstChild.nodeValue;       clearNames();     }     //清除列表数组     function clearNames() {       var ind = nameTableBody.childNodes.length;       for (var i = ind - 1; i >= 0 ; i--) {          nameTableBody.removeChild(nameTableBody.childNodes[i]);       }       completeDiv.style.border = "none";     } </script> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>Untitled Document</title> </head>    <body> <input name="frmchangshang" class="InputText" id="frmchangshang" style="width:250px;" onBlur="DisSelect();" onKeyUp="findNames();" size="50" maxlength="100">           &nbsp;<span class="style1">提示:输入关键字,程序自动从库中匹配您 要找的记录,如果不存在自行填写      </span>           <div style="position:absolute;top:0;left:0;" id="popup">             <table id="name_table" bgcolor="#FFFAFA" border="0" cellspacing="0" cellpadding="0">                     <tbody id="name_table_body"></tbody>             </table>          </div> </body> </html>

2.后台search.asp异步查询数据页面
把sql语句和要显示的字段改为自己的数据库相对应格式就可以了。

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<!--#include virtual="conn.asp" --> <% keyword=request.QueryString("names") sql="select lgid,lgmc from lg where lgmc like '%"&keyword&"%' order by lgid desc" set rs=server.CreateObject("adodb.recordset") rs.open sql,conn,1,1 Response.ContentType="text/xml"   response.Write "<?xml version=""1.0"" encoding=""GB2312"" ?>" response.Write "<response>" do while not rs.eof response.Write "<content>" response.Write "<name>"&rs("lgmc")&"</name>" 'response.Write "<userid>"&rs("userid")&"</userid>" 'response.Write "<startime>"&rs("startime")&"</startime>" 'response.Write "<endtime>"&rs("endtime")&"</endtime>" response.Write "</content>" rs.movenext loop response.Write "</response>" rs.close set rs=nothing %>

以上就是ASP模仿google suggest风格实现下拉菜单效果的代码,希望对大家的学习有所帮助。

最后

以上就是怕孤单萝莉最近收集整理的关于ASP模仿google suggest风格实现下拉菜单效果的全部内容,更多相关ASP模仿google内容请搜索靠谱客的其他文章。

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