国产美女白丝袜精品_a不卡,日本成人一区二区,国产国语高清在线视频二区

JavaScript 制作自動提示文本框

風(fēng)之飛雪 >《Javascript》

2014.03.13

關(guān)注

示例一：直接編寫AJAX 實(shí)現(xiàn)。

客戶端：

9-10.html

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>Ajax實(shí)現(xiàn)自動提示的文本框</title>
<style>

</style>
<script language="javascript">
var oInputField;    //考慮到很多函數(shù)中都要使用
var oPopDiv;        //因此采用全局變量的形式
var oColorsUl;
var xmlHttp;
function createXMLHttpRequest(){
    if(window.ActiveXObject)
        xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
    else if(window.XMLHttpRequest)
        xmlHttp = new XMLHttpRequest();
}
function initVars(){
    //初始化變量
    oInputField = document.forms["myForm1"].colors;
    oPopDiv = document.getElementById("popup");
    oColorsUl = document.getElementById("colors_ul");
}
function clearColors(){
    //清除提示內(nèi)容
    for(var i=oColorsUl.childNodes.length-1;i>=0;i--)
        oColorsUl.removeChild(oColorsUl.childNodes[i]);
    oPopDiv.className = "hide";
}
function setColors(the_colors){
    //顯示提示框，傳入的參數(shù)即為匹配出來的結(jié)果組成的數(shù)組
    clearColors();    //每輸入一個(gè)字母就先清除原先的提示，再繼續(xù)
    oPopDiv.className = "show";
    var oLi;
    for(var i=0;i<the_colors.length;i++){
        //將匹配的提示結(jié)果逐一顯示給用戶
        oLi = document.createElement("li");
        oColorsUl.appendChild(oLi);
        oLi.appendChild(document.createTextNode(the_colors[i]));

        oLi.onmouseover = function(){
            this.className = "mouseOver";    //鼠標(biāo)經(jīng)過時(shí)高亮
        }
        oLi.onmouseout = function(){
            this.className = "mouseOut";    //離開時(shí)恢復(fù)原樣
        }
        oLi.onclick = function(){
            //用戶點(diǎn)擊某個(gè)匹配項(xiàng)時(shí)，設(shè)置輸入框?yàn)樵擁?xiàng)的值
            oInputField.value = this.firstChild.nodeValue;
            clearColors();    //同時(shí)清除提示框
        }
    }
}
function findColors(){
    initVars();        //初始化變量
    if(oInputField.value.length > 0){
        createXMLHttpRequest();        //將用戶輸入發(fā)送給服務(wù)器
        var sUrl = "9-10.aspx?sColor=" + oInputField.value + "&timestamp=" + new Date().getTime();
        xmlHttp.open("GET",sUrl,true);
        xmlHttp.onreadystatechange = function(){
            if(xmlHttp.readyState == 4 && xmlHttp.status == 200){
                var aResult = new Array();
                if(xmlHttp.responseText.length){
                    aResult = xmlHttp.responseText.split(",");
                    setColors(aResult);    //顯示服務(wù)器結(jié)果
                }
                else
                    clearColors();
            }
        }
        xmlHttp.send(null);
    }
    else
        clearColors();    //無輸入時(shí)清除提示框（例如用戶按del鍵）
}
</script>
</head>
<body>
<form method="post" name="myForm1">
Color: <input type="text" name="colors" id="colors" onkeyup="findColors();" />
</form>
<div id="popup">
    <ul id="colors_ul"></ul>
</div>
</body>
</html>

服務(wù)器端（9-10.aspx ）：

9-10.aspx

<%@ Page Language="C#" ContentType="text/html" ResponseEncoding="gb2312" %>
<%@ Import Namespace="System.Data" %>
<%
    Response.CacheControl = "no-cache";
    Response.AddHeader("Pragma","no-cache");
    string sInput = Request["sColor"].Trim();
    if(sInput.Length == 0)
        return;
    string sResult = "";

    string[] aColors = new string[]{"aliceblue","antiquewith","aquamarine","azure","beige","bisque","black","blanchedalmond","blue","blueviolet","brass","bronze","brown","burlywood","cadetblue","chartreuse","chocolate","copper","coral","cornfloewrblue","cornsilk","cyan","darkblue","darkcyan","darkgoldenrod","darkgray","darkgreen","darkhaki","darkmagenta","darkolivegreen","darkorchid","darkorenge","darkred","darksalmon","darkseagreen","darkslateblue","darkslategray","darkturquoise","darkviolet","deeppink","deepskyblue","dimgray","dodgerblue","feldspar","firebrick","floralwhite","forestgreen","fuchsia","gainsboro","gold","goldenrod","golenrod","gostwhite","gray","green","greenyellow","honeydew","hotpink","indianred","inen","ivory","khaki","lavender","lavenderblush","lawngreen","lemonchiffon","lightblue","lightcoral","lightcyan","lightgodenrod","lightgodenrodyellow","lightgray","lightgreen","lightpink","lightsalmon","lightseagreen","lightskyblue","lightslateblue","lightslategray","lightsteelblue","lightyellow","lime","limegreen","magenta","magenta","maroom","maroon","mediumaquamarine","mediumblue","mediumorchid","mediumpurpul","mediumseagreen","mediumslateblue","mediumspringgreen","mediumturquoise","mediumvioletred","midnightblue","mintcream","mistyrose","moccasin","navajowhite","navy","navyblue","oldlace","olivedrab","orange","orchid","orengered","palegodenrod","palegreen","paleturquoise","palevioletred","papayawhip","peachpuff","peru","pink","plum","powderblue","purple","quartz","red","rosybrown","royalblue","saddlebrown","salmon","sandybrown","scarlet","seagreen","seashell","sienna","silver","skyblue","slategray","snow","springgreen","steelblue","tan","thistle","tomato","turquoise","violet","violetred","wheat","whitesmoke","yellow","yellowgreen"};

    for(int i=0;i<aColors.Length;i++){
        if(aColors[i].IndexOf(sInput) == 0)
            sResult += aColors[i] + ",";
    }
    if(sResult.Length>0)                                    //如果有匹配項(xiàng)
        sResult = sResult.Substring(0,sResult.Length-1);    //去掉最后的“,”號
    Response.Write(sResult);
%>

示例二：使用jQuery 實(shí)現(xiàn)。

客戶端：

14-10.html

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>jQuery實(shí)現(xiàn)自動提示的文本框</title>
<style>

</style>
<script language="javascript" src="jquery.min.js"></script>
<script language="javascript">
var oInputField;    //考慮到很多函數(shù)中都要使用
var oPopDiv;        //因此采用全局變量的形式
var oColorsUl;
function initVars(){
    //初始化變量
    oInputField = $("#colors");
    oPopDiv = $("#popup");
    oColorsUl = $("#colors_ul");
}
function clearColors(){
    //清除提示內(nèi)容
    oColorsUl.empty();
    oPopDiv.removeClass("show");
}
function setColors(the_colors){
    //顯示提示框，傳入的參數(shù)即為匹配出來的結(jié)果組成的數(shù)組
    clearColors();    //每輸入一個(gè)字母就先清除原先的提示，再繼續(xù)
    oPopDiv.addClass("show");
    for(var i=0;i<the_colors.length;i++)
        //將匹配的提示結(jié)果逐一顯示給用戶
        oColorsUl.append($("<li>"+the_colors[i]+"</li>"));
    oColorsUl.find("li").click(function(){
        oInputField.val($(this).text());
        clearColors();
    }).hover(
        function(){$(this).addClass("mouseOver");},
        function(){$(this).removeClass("mouseOver");}
    );
}
function findColors(){
    initVars();        //初始化變量
    if(oInputField.val().length > 0){
        //獲取異步數(shù)據(jù)
        $.get("14-10.aspx",{sColor:oInputField.val()},
            function(data){
                var aResult = new Array();
                if(data.length > 0){
                    aResult = data.split(",");
                    setColors(aResult);    //顯示服務(wù)器結(jié)果
                }
                else
                    clearColors();
        });
    }
    else
        clearColors();    //無輸入時(shí)清除提示框（例如用戶按del鍵）
}
</script>
</head>
<body>
<form method="post" name="myForm1">
Color: <input type="text" name="colors" id="colors" onkeyup="findColors();" />
</form>
<div id="popup">
    <ul id="colors_ul"></ul>
</div>
</body>
</html>

服務(wù)器端（14-10.aspx ）：

14-10.aspx

<%@ Page Language="C#" ContentType="text/html" ResponseEncoding="gb2312" %>
<%@ Import Namespace="System.Data" %>
<%
    Response.CacheControl = "no-cache";
    Response.AddHeader("Pragma","no-cache");
    string sInput = Request["sColor"].Trim();
    if(sInput.Length == 0)
        return;
    string sResult = "";

    string[] aColors = new string[]{"aliceblue","antiquewith","aquamarine","azure","beige","bisque","black","blanchedalmond","blue","blueviolet","brass","bronze","brown","burlywood","cadetblue","chartreuse","chocolate","copper","coral","cornfloewrblue","cornsilk","cyan","darkblue","darkcyan","darkgoldenrod","darkgray","darkgreen","darkhaki","darkmagenta","darkolivegreen","darkorchid","darkorenge","darkred","darksalmon","darkseagreen","darkslateblue","darkslategray","darkturquoise","darkviolet","deeppink","deepskyblue","dimgray","dodgerblue","feldspar","firebrick","floralwhite","forestgreen","fuchsia","gainsboro","gold","goldenrod","golenrod","gostwhite","gray","green","greenyellow","honeydew","hotpink","indianred","inen","ivory","khaki","lavender","lavenderblush","lawngreen","lemonchiffon","lightblue","lightcoral","lightcyan","lightgodenrod","lightgodenrodyellow","lightgray","lightgreen","lightpink","lightsalmon","lightseagreen","lightskyblue","lightslateblue","lightslategray","lightsteelblue","lightyellow","lime","limegreen","magenta","magenta","maroom","maroon","mediumaquamarine","mediumblue","mediumorchid","mediumpurpul","mediumseagreen","mediumslateblue","mediumspringgreen","mediumturquoise","mediumvioletred","midnightblue","mintcream","mistyrose","moccasin","navajowhite","navy","navyblue","oldlace","olivedrab","orange","orchid","orengered","palegodenrod","palegreen","paleturquoise","palevioletred","papayawhip","peachpuff","peru","pink","plum","powderblue","purple","quartz","red","rosybrown","royalblue","saddlebrown","salmon","sandybrown","scarlet","seagreen","seashell","sienna","silver","skyblue","slategray","snow","springgreen","steelblue","tan","thistle","tomato","turquoise","violet","violetred","wheat","whitesmoke","yellow","yellowgreen"};

    for(int i=0;i<aColors.Length;i++){
        if(aColors[i].IndexOf(sInput) == 0)
            sResult += aColors[i] + ",";
    }
    if(sResult.Length>0)                                    //如果有匹配項(xiàng)
        sResult = sResult.Substring(0,sResult.Length-1);    //去掉最后的“,”號
    Response.Write(sResult);
%>

作者： XuGang 網(wǎng)名：鋼鋼

出處： http://xugang.cnblogs.com

聲明：本文版權(quán)歸作者和博客園共有！轉(zhuǎn)載時(shí)必須保留此段聲明，且在文章頁面明顯位置給出原文連接。

本站僅提供存儲服務(wù)，所有內(nèi)容均由用戶發(fā)布，如發(fā)現(xiàn)有害或侵權(quán)內(nèi)容，請點(diǎn)擊舉報(bào)。

打開APP，閱讀全文并永久保存查看更多類似文章

利用XMLHTTP無刷新自動實(shí)時(shí)更新數(shù)據(jù).

利用XMLHTTP無刷新獲取數(shù)據(jù)

免费视频淫片aa毛片_日韩高清在线亚洲专区vr_日韩大片免费观看视频播放_亚洲欧美国产精品完整版