<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>search advice</title>
<style type="text/css">
body {
font-family:"yaHei Consolas Hybrid";
margin:0;
}
ul {
margin:0;
list-style:none;
padding:0;
}
/*搜索栏*/
.search-block {
width:400px;
position:relative;
margin:50px auto;
}
.search-block input {
font-size:20px;
}
/*提示标签*/
.lbl-default {
position:absolute;
cursor:text;
top:15px;
left:15px;
color:#ccc;
}
/*输入框*/
.txt-default {
width:378px;
height:28px;
border:1px solid #ddd;
padding:10px;
}
/*按钮*/
.btn {
border:0;
width:100px;
height:50px;
background-color:#56bdf3;
color:#fff;
text-align:center;
cursor:pointer;
}
/*搜索按钮*/
.search-button {
position:absolute;
left:300px;
top:0;
}
/*搜索建议*/
.search-advice {
display:none;
width:400px;
position:absolute;
background-color:#fff;
}
/*搜索建议列表*/
#search-advice-list {
border-left:1px solid #ddd;
border-right:1px solid #ddd;
border-bottom:1px solid #ddd;
}
#search-advice-list li{
display:block;
width:378px;
height:30px;
padding:10px;
}
#search-advice-list li:hover {
background-color:#f5f5f5;
}
</style>
<script type="text/javascript">
// 搜索建议模拟数据
var mockData = [{name:'baidu',link:"http://www.baidu.com"},{name:'baidu image',link:"http://image.baidu.com"}]; // 根据id获取dom元素
function $(id) {
return document.getElementById(id);
}
// 隐藏dom元素
function hide(dom) {
dom.style.display = 'none';
}
// 显示dom元素
function show(dom) {
dom.style.display = 'block';
}
// 将label绑定到input上作为输入提示
function bindLabelToInput(labelId, inputId) {
// 获取输入焦点时,隐藏提示标签
$(inputId).onfocus = function() {
hide($(labelId));
};
// 失去输入焦点时,判断输入框的是否有值,有则显示提示标签
$(inputId).onblur = function() {
if (this.value == null || this.value.length < 1) {
show($(labelId));
}
};
}
function createDomTo(tagName,arr,parentNode) {
for (var i=0; i<arr.length; i++) {
var tag = document.createElement(tagName);
tag.innerHTML ="<a href='"+arr[i].link+"' target=_black>"+arr[i].name+"</a>" ;
parentNode.appendChild(tag);
}
}
// 窗口加载完dom结构时
window.onload = function() {
bindLabelToInput('lbl-search','txt-search');
// 搜索建议
var adviceWords = new Array();
var ul = $('search-advice-list'); // 建议列表
$('txt-search').onkeyup = function() {
if (this.value.length > 0) {
for (var i=0; i<mockData.length; i++) {
if (mockData[i].name.indexOf(this.value) >= 0) {
adviceWords.push(mockData[i]);
}
}
// 有结果才显示提示框
if (adviceWords.length > 0) {
ul.innerHTML = '';
createDomTo('li',adviceWords,ul);
show(ul.parentNode);
}
adviceWords = new Array(); // 清空建议数据
} else {
hide(ul.parentNode);
}
};
};
</script>
</head>
<body>
<div class="search-block">
<label for="txt-search" id="lbl-search" class="lbl-default">请输入要搜索的内容</label>
<input type="text" id="txt-search" class="txt-default"/>
<input type="button" id="submit-button" class="btn search-button" value="搜索"/>
<div class="search-advice">
<ul id="search-advice-list">
</ul>
</div>
</div>
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>search advice</title>
<style type="text/css">
body {
font-family:"yaHei Consolas Hybrid";
margin:0;
}
ul {
margin:0;
list-style:none;
padding:0;
}
/*搜索栏*/
.search-block {
width:400px;
position:relative;
margin:50px auto;
}
.search-block input {
font-size:20px;
}
/*提示标签*/
.lbl-default {
position:absolute;
cursor:text;
top:15px;
left:15px;
color:#ccc;
}
/*输入框*/
.txt-default {
width:378px;
height:28px;
border:1px solid #ddd;
padding:10px;
}
/*按钮*/
.btn {
border:0;
width:100px;
height:50px;
background-color:#56bdf3;
color:#fff;
text-align:center;
cursor:pointer;
}
/*搜索按钮*/
.search-button {
position:absolute;
left:300px;
top:0;
}
/*搜索建议*/
.search-advice {
display:none;
width:400px;
position:absolute;
background-color:#fff;
}
/*搜索建议列表*/
#search-advice-list {
border-left:1px solid #ddd;
border-right:1px solid #ddd;
border-bottom:1px solid #ddd;
}
#search-advice-list li{
display:block;
width:378px;
height:30px;
padding:10px;
}
#search-advice-list li:hover {
background-color:#f5f5f5;
}
</style>
<script type="text/javascript">
// 搜索建议模拟数据
var mockData = [{name:'baidu',link:"http://www.baidu.com"},{name:'baidu image',link:"http://image.baidu.com"}]; // 根据id获取dom元素
function $(id) {
return document.getElementById(id);
}
// 隐藏dom元素
function hide(dom) {
dom.style.display = 'none';
}
// 显示dom元素
function show(dom) {
dom.style.display = 'block';
}
// 将label绑定到input上作为输入提示
function bindLabelToInput(labelId, inputId) {
// 获取输入焦点时,隐藏提示标签
$(inputId).onfocus = function() {
hide($(labelId));
};
// 失去输入焦点时,判断输入框的是否有值,有则显示提示标签
$(inputId).onblur = function() {
if (this.value == null || this.value.length < 1) {
show($(labelId));
}
};
}
function createDomTo(tagName,arr,parentNode) {
for (var i=0; i<arr.length; i++) {
var tag = document.createElement(tagName);
tag.innerHTML ="<a href='"+arr[i].link+"' target=_black>"+arr[i].name+"</a>" ;
parentNode.appendChild(tag);
}
}
// 窗口加载完dom结构时
window.onload = function() {
bindLabelToInput('lbl-search','txt-search');
// 搜索建议
var adviceWords = new Array();
var ul = $('search-advice-list'); // 建议列表
$('txt-search').onkeyup = function() {
if (this.value.length > 0) {
for (var i=0; i<mockData.length; i++) {
if (mockData[i].name.indexOf(this.value) >= 0) {
adviceWords.push(mockData[i]);
}
}
// 有结果才显示提示框
if (adviceWords.length > 0) {
ul.innerHTML = '';
createDomTo('li',adviceWords,ul);
show(ul.parentNode);
}
adviceWords = new Array(); // 清空建议数据
} else {
hide(ul.parentNode);
}
};
};
</script>
</head>
<body>
<div class="search-block">
<label for="txt-search" id="lbl-search" class="lbl-default">请输入要搜索的内容</label>
<input type="text" id="txt-search" class="txt-default"/>
<input type="button" id="submit-button" class="btn search-button" value="搜索"/>
<div class="search-advice">
<ul id="search-advice-list">
</ul>
</div>
</div>
</body>
</html>
解决方案 »
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