php ajax做仿百度搜索下拉自动提示框(有实例)_php实例

php mysql ajax实现百度搜索下拉提示框 主要有3个文件三个文件在同一个目录里 如下图

下面是三个文件的代码 把sql文件导入到mysql数据库里 修改下数据库密码为自己的 记得哦是UTF-8编码

php mysql ajax实现百度搜索下拉提示框
效果图

rpc.php文件

复制代码 代码如下:

mysql_connect('localhost', 'root' ,'');
mysql_select_db("test");
$queryString = $_POST['queryString'];
if(strlen($queryString) >0) {
$sql= "SELECT value FROM countries WHERE value LIKE '".$queryString."%' LIMIT 10";
$query = mysql_query($sql);
while ($result = mysql_fetch_array($query,MYSQL_BOTH)){
$value=$result['value'];
echo '

'.$value.'

';
}
}
?>

index.htm文件

复制代码 代码如下:

Type your county:

 

sql数据库autoComplete.sql文件（导入到mysql）

复制代码 代码如下:

-- phpMyAdmin SQL Dump
-- version 3.3.5
-- http://www.phpmyadmin.net
--
-- 主机: localhost
-- 生成日期: 2010 年 12 月 09 日 02:36
-- 服务器版本: 5.0.22
-- PHP 版本: 5.2.14
SET SQL_MODE="NO_AUTO_VALUE_ON_ZERO";
--
-- 数据库: `test`
--
-- --------------------------------------------------------
--
-- 表的结构 `countries`
--
CREATE TABLE IF NOT EXISTS `countries` (
`id` int(6) NOT NULL auto_increment,
`value` varchar(250) NOT NULL default '',
PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 AUTO_INCREMENT=243 ;
--
-- 转存表中的数据 `countries`
--
INSERT INTO `countries` (`id`, `value`) VALUES
(1, 'Afghanistan'),
(2, 'Aringland Islands'),
(3, 'Albania'),
(4, 'Algeria'),
(5, 'American Samoa'),
(6, 'Andorra'),
(7, 'Angola'),
(8, 'Anguilla'),
(9, 'Antarctica'),
(10, 'Antigua and Barbuda'),
(11, 'Argentina'),
(12, 'Armenia'),
(13, 'Aruba'),
(14, 'Australia'),
(15, 'Austria'),
(16, 'Azerbaijan'),
(17, 'Bahamas'),
(18, 'Bahrain'),
(19, 'Bangladesh'),
(20, 'Barbados'),
(21, 'Belarus'),
(22, 'Belgium'),
(23, 'Belize'),
(24, 'Benin'),
(25, 'Bermuda'),
(26, 'Bhutan'),
(27, 'Bolivia'),
(28, 'Bosnia and Herzegovina'),
(29, 'Botswana'),
(30, 'Bouvet Island'),
(31, 'Brazil'),
(32, 'British Indian Ocean territory'),
(33, 'Brunei Darussalam'),
(34, 'Bulgaria'),
(35, 'Burkina Faso'),
(36, 'Burundi'),
(37, 'Cambodia'),
(38, 'Cameroon'),
(39, 'Canada'),
(40, 'Cape Verde'),
(41, 'Cayman Islands'),
(42, 'Central African Republic'),
(43, 'Chad'),
(44, 'Chile'),
(45, 'China'),
(46, 'Christmas Island'),
(47, 'Cocos (Keeling) Islands'),
(48, 'Colombia'),
(49, 'Comoros'),
(50, 'Congo'),
(51, 'Congo'),
(52, ' Democratic Republic'),
(53, 'Cook Islands'),
(54, 'Costa Rica'),
(55, 'Ivory Coast (Ivory Coast)'),
(56, 'Croatia (Hrvatska)'),
(57, 'Cuba'),
(58, 'Cyprus'),
(59, 'Czech Republic'),
(60, 'Denmark'),
(61, 'Djibouti'),
(62, 'Dominica'),
(63, 'Dominican Republic'),
(64, 'East Timor'),
(65, 'Ecuador'),
(66, 'Egypt'),
(67, 'El Salvador'),
(68, 'Equatorial Guinea'),
(69, 'Eritrea'),
(70, 'Estonia'),
(71, 'Ethiopia'),
(72, 'Falkland Islands'),
(73, 'Faroe Islands'),
(74, 'Fiji'),
(75, 'Finland'),
(76, 'France'),
(77, 'French Guiana'),
(78, 'French Polynesia'),
(79, 'French Southern Territories'),
(80, 'Gabon'),
(81, 'Gambia'),
(82, 'Georgia'),
(83, 'Germany'),
(84, 'Ghana'),
(85, 'Gibraltar'),
(86, 'Greece'),
(87, 'Greenland'),
(88, 'Grenada'),
(89, 'Guadeloupe'),
(90, 'Guam'),
(91, 'Guatemala'),
(92, 'Guinea'),
(93, 'Guinea-Bissau'),
(94, 'Guyana'),
(95, 'Haiti'),
(96, 'Heard and McDonald Islands'),
(97, 'Honduras'),
(98, 'Hong Kong'),
(99, 'Hungary'),
(100, 'Iceland'),
(101, 'India'),
(102, 'Indonesia'),
(103, 'Iran'),
(104, 'Iraq'),
(105, 'Ireland'),
(106, 'Israel'),
(107, 'Italy'),
(108, 'Jamaica'),
(109, 'Japan'),
(110, 'Jordan'),
(111, 'Kazakhstan'),
(112, 'Kenya'),
(113, 'Kiribati'),
(114, 'Korea (north)'),
(115, 'Korea (south)'),
(116, 'Kuwait'),
(117, 'Kyrgyzstan'),
(118, 'Lao People''s Democratic Republic'),
(119, 'Latvia'),
(120, 'Lebanon'),
(121, 'Lesotho'),
(122, 'Liberia'),
(123, 'Libyan Arab Jamahiriya'),
(124, 'Liechtenstein'),
(125, 'Lithuania'),
(126, 'Luxembourg'),
(127, 'Macao'),
(128, 'Macedonia'),
(129, 'Madagascar'),
(130, 'Malawi'),
(131, 'Malaysia'),
(132, 'Maldives'),
(133, 'Mali'),
(134, 'Malta'),
(135, 'Marshall Islands'),
(136, 'Martinique'),
(137, 'Mauritania'),
(138, 'Mauritius'),
(139, 'Mayotte'),
(140, 'Mexico'),
(141, 'Micronesia'),
(142, 'Moldova'),
(143, 'Monaco'),
(144, 'Mongolia'),
(145, 'Montserrat'),
(146, 'Morocco'),
(147, 'Mozambique'),
(148, 'Myanmar'),
(149, 'Namibia'),
(150, 'Nauru'),
(151, 'Nepal'),
(152, 'Netherlands'),
(153, 'Netherlands Antilles'),
(154, 'New Caledonia'),
(155, 'New Zealand'),
(156, 'Nicaragua'),
(157, 'Niger'),
(158, 'Nigeria'),
(159, 'Niue'),
(160, 'Norfolk Island'),
(161, 'Northern Mariana Islands'),
(162, 'Norway'),
(163, 'Oman'),
(164, 'Pakistan'),
(165, 'Palau'),
(166, 'Palestinian Territories'),
(167, 'Panama'),
(168, 'Papua New Guinea'),
(169, 'Paraguay'),
(170, 'Peru'),
(171, 'Philippines'),
(172, 'Pitcairn'),
(173, 'Poland'),
(174, 'Portugal'),
(175, 'Puerto Rico'),
(176, 'Qatar'),
(177, '鲁尼翁'),
(178, '罗马尼亚'),
(179, '俄罗斯联邦'),
(180, '卢旺达'),
(181, '圣海伦娜'),
(182, '圣基茨和尼维斯'),
(183, '圣卢西亚'),
(184, '圣皮埃尔和密克隆群岛'),
(185, '圣文森特和格林纳丁斯'),
(186, '萨摩亚'),
(187, '圣马力诺'),
(188, '圣多美和普林西比'),
( 189, '沙特阿拉伯'),
(190, '塞内加尔'),
(191, '塞尔维亚和黑山'),
(192, '塞舌尔'),
(193, '塞拉利昂'),
(194, '新加坡'),
(195, '斯洛伐克'),
(196, '斯洛文尼亚'),
(197, '所罗门群岛'),
(198, '索马里'),
(199, '南非'),
(200, '南乔治亚岛和南桑威奇群岛'),
(201, '西班牙') ,
(202, '斯里兰卡'),
(203, '苏丹'),
(204, '苏里南'),
(205, '斯瓦尔巴和扬马延群岛'),
(206, '斯威士兰'),
(207, '瑞典'),
(208, '瑞士'),
(209, '叙利亚'),
(210, '台湾'),
(211, '塔吉克斯坦'),
(212, '坦桑尼亚'),
(213, '泰国'),
(214, '多哥'),
(215, '托克劳'),
(216, '汤加'),
(217, '特立尼达和多巴哥'),
(218, '突尼斯'),
(219 , '土耳其'),
(220, '土库曼斯坦'),
(221, '特克斯和凯科斯群岛'),
(222, '图瓦卢'),
(223, '乌干达') '),
(224, '乌克兰'),
(225, '阿拉伯联合酋长国'),
(226, '英国'),
(227, '美利坚合众国') '),
(228, '乌拉圭'),
(229, '乌兹别克斯坦'),
(230, '瓦努阿图'),
(231, '梵蒂冈城'),
(232, '委内瑞拉'),
(233, '越南'),
(234, '维尔京群岛 (英国)'),
(235, '维尔京群岛 (美国)'),
(236, '瓦利斯和富图纳群岛'),
(237, '西撒哈拉'),
(238, '也门'),
(239, '扎伊尔'),
(240, '赞比亚'),
(241, '津巴布韦');

你在本地服务器测试下一定很给力而且原理很简单没那么麻烦