`
wencan83
  • 浏览: 40543 次
  • 性别: Icon_minigender_1
  • 来自: 深圳
文章分类
社区版块
存档分类
最新评论

Ajax实现输入框自动下拉提示

阅读更多

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
   
    <title>My JSP 'index.jsp' starting page</title>
 <meta http-equiv="pragma" content="no-cache">
 <meta http-equiv="cache-control" content="no-cache">
 <meta http-equiv="expires" content="0">   
 <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
 <meta http-equiv="description" content="This is my page">
 <!--
 <link rel="stylesheet" type="text/css" href="styles.css">
 -->
 <script type="text/javascript" src="jquery-1.5.2.js"></script>
 <script type="text/javascript">
 $(document).ready(function(){
  $(document).bind('click', Hide);
 });
 
 
 function Hide(e){
     if($(e.target)[0].id =="like")
         return;
     $("#like").hide();
 }
 
 
 var temp = "";
 function fouc(){
  var intervalid;
  intervalid = setInterval("getconclusionName()", 200);
 }
 
 
 function getconclusionName(){
 var conclusionName="";
 conclusionName = $("#csn").val();
  if (conclusionName != ""){
   if(temp !=conclusionName){
      temp= conclusionName;
      sendConclusion(temp);
   }
  }
 }
 
 
 function unfouc() {
 $("#like").html("");
 $("#like").css("display","none");
 }
 
 
 function sendConclusion(conclusionName) {
  $.ajax( {
   type : "post",
   url : "http://localhost:8080/JqueryInput/servlet/NameServlet",
   data: "conclusionName=" + conclusionName,
   timeout : 20000,
   success :  function(data) {
    var str ="";
    var str1="";
    $.each(data, function(i, n) {
     if ("medicalConclusionVOList"==i){
      if(n.length == 0){
       $("#like").css("display","none");
      }else{
       for(var j=0;j<n.length;j++){
         str1=n[j];
         str+="<span id=\""+j+"\" onclick=select(\'"+str1.conclusionId+"\',\'"+str1.name+"\')>"+n[j].name+"</span>"+"<br><div class=\"line_style1-1\"></div>";
       }
       $("#like").css("display","block");
      }
     }
    });
    $("#like").html(str);
   } 
  });
 }
 
 //查询汇总项目
 function searchBigProject(){
  var key=window.event.keyCode;
  var len = 0;       //搜索结果的行数
  if(document.getElementById("searchTable") != null){
   len = document.getElementById("searchTable").rows.length;
  }
   //如果不是按的上下键或回车键,就向服务器发送异步数据请求
        if(key!=38 && key!=40 && key!=13){
   var vProjectName = "%"+document.getElementById("bigProjectName").value+"%";
   if(vProjectName == "%%"){
    return;
   }
   $.ajax( {
    type : "post",
    url : "http://localhost:8080/JqueryInput/servlet/ProjectServlet",
    timeout : 20000,
    
    success :  function(data) {
     callback(data);
    } 
   });
  }else{  //如果按的是上下键或回车
   if(len == 0) {
               return ;
            }
   //检查当前有无鼠标选中
            var isCheck=checkSelect();
   if(isCheck == -1)
            {
               document.getElementById("searchTable").rows(0).style.background = "#FF9933";
            }else{
             if(key == 38){ //按下上方向键
                 if(isCheck==0)
                 {
                    return;
                 }
                 else
                 {
                      //清空所有搜索框<TR>标签的背景
                     cleanTr();
      document.getElementById("searchTable").rows(parseInt(isCheck)-parseInt(1)).style.background = "#FF9933";
                 }
             }else if(key==40){    //按下了下方向键
                 if(isCheck == (parseInt(len)-parseInt(1)))
                 {
                    return;
                 }
                 else
                 {
                     //清空所有搜索框<TR>标签的背景
                     cleanTr();
                     document.getElementById("searchTable").rows(parseInt(isCheck)+parseInt(1)).style.background = "#FF9933";
                 }
             }else if(key==13){  //如果是按的是回车键
                 //把被选中的项给填写到搜索框中,并且销毁搜索出来的结果
                 var vProjectName = document.getElementById("searchTable").rows(isCheck).cells(0).innerText;
                 var vProjectId = document.getElementById("searchTable").rows(isCheck).cells(0).title;
                 selectProject(vProjectId,vProjectName);
             }
            }
  }
 }

 //回调函数
 function callback(aa){
  var data = new Array();
  data[0] = new Array();
  data[0][0] = 1;
  data[0][1] = '你好';
  data[1] = new Array();
  data[1][0] = 2;
  data[1][1] = '打算';
  data[2] = new Array();
  data[2][0] = 3;
  data[2][1] = '魂牵梦萦';
  projectData = data;
  
  if(data.length > 0){
   var vInnerHTML = "<table width='194' id='searchTable' border='0' cellspacing='0' cellpadding='0' bgcolor='#FFFF44'>";
   for(i=0;i<data.length;i++){
    vInnerHTML += "<tr onmouseover='setColor(this)' onmouseout='clearColor(this)' onclick=\"selectProject('"+data[i][0]+"','"+data[i][1]+"')\"'><td title='"+data[i][0]+"'>"+data[i][1]+"</td></tr>";
   }
   document.getElementById("showProject").innerHTML=vInnerHTML;
   //setPosition(document.getElementById('showProject'));
   document.getElementById("showProject").style.display="block";
   var oh = document.getElementById("showProject").offsetHeight;
   var ot = document.getElementById("bigProjectName").parentNode.parentNode.offsetTop;
   //alert(ot - oh + 1);
   //document.getElementById("showProject").style.top = ot - oh + 1;
  }else{
   document.getElementById("showProject").style.display="none";
   document.getElementById("bigProjectName").value = "";    //如果没有查询到项目就清空输入框
   document.getElementById("bigProjectId").value = "";
  }
 }

 //设置DIV层中行的颜色
 function setColor(obj){
  obj.style.background="#FF9933";
 }

 //设置DIV层中行的颜色
 function clearColor(obj){
  obj.style.background="";
 }

 //检查当前有无鼠标选中搜索的结果
    function checkSelect()
    {
         for(var i=0;i<document.getElementById("searchTable").rows.length;i++)
         {
             if(document.getElementById("searchTable").rows(i).style.background == "#ff9933")
             {
                //如果发现有鼠标选中就返回选中的那一条
                return i;
             }
         }
         //如果没有鼠标选中则返回-1
         return -1;
    }

 //清除搜索结果行的背景
    function cleanTr()
    {
        for(var i=0;i<document.getElementById("searchTable").rows.length;i++)
        {
            document.getElementById("searchTable").rows(i).style.background = "";
        }
    }


 //选择汇总项目
 function selectProject(projectId,projectName){
  alert(projectId+" "+projectName);
  //$("bigProjectName").val(projectName);
  document.getElementById("bigProjectName").value=projectName;
  document.getElementById("showProject").style.display="none";
 }

 //关闭显示项目名称的层
 function closeShowProject(e){
  var showProject = document.getElementById("showProject");
  if (!showProject) {
   return;
  }
  var vDisplay = document.getElementById("showProject").style.display;
  if(vDisplay == "none"){
   return;
  }
  var divLeft = document.getElementById("showProject").style.pixelLeft;
  var divTop = document.getElementById("showProject").style.pixelTop;
  var divRight = divLeft+document.getElementById("showProject").style.pixelWidth;
  var divBottom = divTop+document.getElementById("showProject").style.pixelHeight;
  if(e.clientX > divRight || e.clientX < divLeft || e.clientY > divBottom || e.clientY < divTop){
   //如果鼠点击在层的外面,就关闭层
   document.getElementById("showProject").style.display="none";
  }
 }
 
 function add(){
  var a = new Array();
  a[0] = new Array();
  a[0][0] = 1;
  a[0][1] = '你好';
  a[1] = new Array();
  a[1][0] = 2;
  a[1][1] = '打算';
  a[2] = new Array();
  a[2][0] = 3;
  a[2][1] = '魂牵梦萦';
  alert(a);
 }
 </script>
  </head>
 
  <body>
    <div>
  <input type="hidden" name="bigProjectId"/>
   <input type="text" id="csn" name="conclusionName" onfocus="fouc()"/>
   <input type="button" value="添加" onclick="add()" /><br/>

  <input type="text" id="bigProjectName" size="30" onkeyup="searchBigProject()"/><br>
  <div id="showProject" style="position:absolute;display:none;background-color:#F2F2F2;z-index:2;border:solid 1px black;width:194px;" ></div>
 </div>
 <div class="select_style1"  id="like" style="display:none;"></div>
 <jsp:include page="suggest.jsp"></jsp:include>
  </body>
</html>

分享到:
评论
1 楼 xiefei3k 2012-02-22  
恩,不错楼主.
我想请交你一个问题
ajax实现下拉提示输入中文出现信息: Character decoding failed. Parameter [KeyWord] with value [%u4F60] has been ignored. Note that the name and value quoted here may be corrupted due to the failed decoding. Use debug level logging to see the original, non-corrupted values.
java.io.CharConversionException: isHexDigit

是不是传递的参数的编码问题,如果是该怎么解决?

相关推荐

Global site tag (gtag.js) - Google Analytics