jQuery之自动完成组件

来源：互联网发布：淘宝评价网址编辑：程序博客网时间：2024/05/16 09:45

简单实例

<!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=gb2312" /><title>AutocompleteOption</title><link rel="stylesheet" type="text/css" href="themes/base/jquery.ui.all.css"/><script type="text/javascript" src="JS/jquery-1.4.2.min.js"></script><script type="text/javascript" src="JS/jquery.ui.core.js"></script><script type="text/javascript" src="JS/jquery.ui.widget.js"></script><script type="text/javascript" src="JS/jquery.ui.position.js"></script><script type="text/javascript" src="JS/jquery.ui.autocomplete.js"></script><script type="text/javascript">$(document).ready(function(){/* 初始化数据源 */var keys = ["jsp", "javascript", "jquery", "asp", "asp.net", "php",];$('#searchBox').autocomplete({    source : keys,minLength : 2});});</script><style>body{ padding:30px; }</style></head><body><input id="searchBox" /></body></html>

效果图：

在上述代码中，在页面初始化的时候将页面上的输入框包装成jQuery对象，然后使用autocomplete()方法将其包装成自动完成组件，同时

初始化其最小响应长度选项和数据源选项

2：自动完成组件的方法

有Search, Open, Focus, Select, Close, Change事件

function(event, ui) {

//event: 触发事件时的事件对象

//ui, 是用户界面对象，ui.item是一个包含label和value属性的对象

}

<!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=gb2312" /><title>AutocompleteEvent</title><link rel="stylesheet" type="text/css" href="themes/base/jquery.ui.all.css"/><script type="text/javascript" src="JS/jquery-1.4.2.min.js"></script><script type="text/javascript" src="JS/jquery.ui.core.js"></script><script type="text/javascript" src="JS/jquery.ui.widget.js"></script><script type="text/javascript" src="JS/jquery.ui.position.js"></script><script type="text/javascript" src="JS/jquery.ui.autocomplete.js"></script><script type="text/javascript">$(document).ready(function(){/*初始化数据源*/var keys = ["c++", "c#", "c","java", "j2ee", "jsp", "javascript", "jquery","asp", "asp.net","ruby", "vb.net",  "visual basic", "vb","photo shop", "php","flax", "flash"];function GetValues(key){var ks = [];if(key == "") return ks;  //如果关键字为空字符串，返回一个空集合for(var i = 0; i<keys.length; i++){if(keys[i].indexOf(key) == 0){ks[ks.length] = keys[i];}}return ks;}$('#searchBox').autocomplete({    source : [],search : function(event,ui){$('#searchBox').autocomplete("option","source",GetValues($(this).val()));}});});</script><style>body{padding-top:30px;}td{ text-align:center; vertical-align:middle; padding:10px;}#searchBox,#Search{ padding:2px; font-size:15px;}#searchBox{width:220px;height:17px;}#Search{width:80px;}</style></head><body><table border="0" align="center"><tr><td colspan="2"><h1>My Search Engine</h1></td></tr><tr><td><input id="searchBox" /></td><td><button id="Search" >Search</button></td></tr></table></body></html>

效果图：