php+ajax做仿百度搜索下拉自动提示框(有实例)

Ajax 2018-12-30

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
<div class="codetitle"><a style="CURSOR: pointer" data="63799" class="copybut" id="copybut63799" onclick="doCopy('code63799')"> 代码如下:

<div class="codebody" id="code63799">
<?php
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 '<li onClick="fill(\''.$value.'\');">'.$value.'';
}
}
?>

index.htm文件
<div class="codetitle"><a style="CURSOR: pointer" data="55513" class="copybut" id="copybut55513" onclick="doCopy('code55513')"> 代码如下:

<div class="codebody" id="code55513">
<!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">

Ajax Auto Suggest
<script type="text/javascript" src="http://www.iiwnet.com/templets/niu/js/jquery.min.js">
<script type="text/javascript">
function lookup(inputString) {
if(inputString.length == 0) {
// Hide the suggestion box.
$('#suggestions').hide();
} else {
$.post("rpc.php",{queryString: ""+inputString+""},function(data){
if(data.length >0) {
$('#suggestions').show();
$('#autoSuggestionsList').html(data);
}
});
}
} // lookup
function fill(thisValue) {
$('#inputString').val(thisValue);
setTimeout("$('#suggestions').hide();",200);
}

<style type="text/css">
body {
font-family: Helvetica;
font-size: 11px;
color: #000;
}
h3 {
margin: 0px;
padding: 0px;
}
.suggestionsBox {
position: relative;
left: 30px;
margin: 10px 0px 0px 0px;
width: 200px;
background-color: #212427;
-moz-border-radius: 7px;
-webkit-border-radius: 7px;
border: 2px solid #000;
color: #fff;
}
.suggestionList {
margin: 0px;
padding: 0px;
}
.suggestionList li {
margin: 0px 0px 3px 0px;
padding: 3px;
cursor: pointer;
}
.suggestionList li:hover {
background-color: #659CD8;
}

sql数据库autoComplete.sql文件（导入到mysql）
<div class="codetitle"><a style="CURSOR: pointer" data="33487" class="copybut" id="copybut33487" onclick="doCopy('code33487')"> 代码如下:<div class="codebody" id="code33487">
-- 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,
(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,'Runion'),
(178,'Romania'),
(179,'Russian Federation'),
(180,'Rwanda'),
(181,'Saint Helena'),
(182,'Saint Kitts and Nevis'),
(183,'Saint Lucia'),
(184,'Saint Pierre and Miquelon'),
(185,'Saint Vincent and the Grenadines'),
(186,'Samoa'),
(187,'San Marino'),
(188,'Sao Tome and Principe'),
(189,'Saudi Arabia'),
(190,'Senegal'),
(191,'Serbia and Montenegro'),
(192,'Seychelles'),
(193,'Sierra Leone'),
(194,'Singapore'),
(195,'Slovakia'),
(196,'Slovenia'),
(197,'Solomon Islands'),
(198,'Somalia'),
(199,'South Africa'),
(200,'South Georgia and the South Sandwich Islands'),
(201,'Spain'),
(202,'Sri Lanka'),
(203,'Sudan'),
(204,'Suriname'),
(205,'Svalbard and Jan Mayen Islands'),
(206,'Swaziland'),
(207,'Sweden'),
(208,'Switzerland'),
(209,'Syria'),
(210,'Taiwan'),
(211,'Tajikistan'),
(212,'Tanzania'),
(213,'Thailand'),
(214,'Togo'),
(215,'Tokelau'),
(216,'Tonga'),
(217,'Trinidad and Tobago'),
(218,'Tunisia'),
(219,'Turkey'),
(220,'Turkmenistan'),
(221,'Turks and Caicos Islands'),
(222,'Tuvalu'),
(223,'Uganda'),
(224,'Ukraine'),
(225,'United Arab Emirates'),
(226,'United Kingdom'),
(227,'United States of America'),
(228,'Uruguay'),
(229,'Uzbekistan'),
(230,'Vanuatu'),
(231,'Vatican City'),
(232,'Venezuela'),
(233,'Vietnam'),
(234,'Virgin Islands (British)'),
(235,'Virgin Islands (US)'),
(236,'Wallis and Futuna Islands'),
(237,'Western Sahara'),
(238,'Yemen'),
(239,'Zaire'),
(240,'Zambia'),
(241,'Zimbabwe');

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

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