标签：
index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>kuCity</title>
<link rel="stylesheet" href="kuCity.css">
<style>
.search {
margin: 50px;
padding: 7px;
margin: 50px;
border: 1px solid rgb(207, 222, 229);
border-radius: 2px;
width: 300px;
}
.search2 {
margin: 100px;
}
</style>
</head>
<body>
<input type="text" class="search">
<input type="text" class="search search2">
<input type="text" class="search3">
<script src="http://cdn.bootcss.com/jquery/1.9.1/jquery.min.js"></script>
<script src="kuCity.js"></script>
<script>
$(‘.search‘).kuCity();
$(‘.search3‘).kuCity();
</script>
</body>
</html>
kuCity.css
*{
margin:0;
padding:0;
}
.kucity{
font-family: "微软雅黑";
font-size:12px;
position: absolute;
top:50px;
left:50px;
width: 317px;
*border:1px solid #dedede;
box-shadow: 0 0 5px 1px #dedede;
padding:10px;
}
.kucity h3{
font-size:12px;
font-weight: normal;
color:#666;
}
.kucity .kucity_nav{
font-size:0;
padding-top:10px;
list-style: none;
}
.kucity .kucity_nav li{
cursor: pointer;
font-size:12px;
margin-left:-1px;
border:1px solid #dedede;
display: inline-block;
color:#666;
padding:3px 7px;
transition:all .2s;
}
.kucity .kucity_nav li.active{
background-color: rgb(4, 168, 253);
border-color:rgb(4, 168, 253);
color:#fff;
}
/*kucity_body*/
.kucity .kucity_body{
padding:10px 5px;
max-height: 230px;
overflow-y:auto;
}
.kucity .kucity_body .kucity_item{
display: none;
}
.kucity .kucity_body .kucity_item.active{
display: block;
}
.kucity_item dt, .kucity_item dd{
display: inline-block;
}
.kucity_item dl{
padding:3px 0;
}
.kucity_item dt{
color:rgb(32, 117, 249);
padding-top:3px;
vertical-align: top;
width:10%;
}
.kucity_item dd{
width:90%;
}
.kucity_item dd span{
width: 24%;
display: inline-block;
cursor: pointer;
padding:3px 0;
border:1px solid #fff;
transition:all .3s;
}
.kucity_item dd span:hover{
color:rgb(4, 168, 253);
text-decoration: underline;
}
.kucity .result{
list-style: none;
}
.kucity .result li{
padding:5px;
background-color: #fff;
margin:2px 0;
cursor: pointer;
overflow: hidden;
}
.kucity .result li.active, .kucity .result li.active .letter{
background-color: rgb(4, 168, 253);
color:#fff;
}
.kucity .result li .letter{
float:right;
color:#999;
}
.kucity .result li .noresult{
padding:0 8px;
color:rgb(253, 130, 27);
}
.kucity .result li:hover, .kucity .result li:hover > .letter{
background-color: rgb(4, 168, 253);
color:#fff!important;
}
/*滚动条*/
.kucity_body::-webkit-scrollbar
{
width: 5px;
height: 16px;
background-color: #F5F5F5;
}
/*定义滚动条轨道 内阴影+圆角*/
.kucity_body::-webkit-scrollbar-track
{
border-radius: 10px;
background-color: #F5F5F5;
}
/*定义滑块 内阴影+圆角*/
.kucity_body::-webkit-scrollbar-thumb
{
border-radius: 5px;
background-color: #dedede;
}
.kucity_body::-webkit-scrollbar-thumb:hover{
background-color: #999;
}
kuCity.js
/*
* 城市选择jquer插件
*/
(function($) {
var allCities = [‘北京|beijing|bj‘, ‘上海|shanghai|sh‘, ‘重庆|chongqing|cq‘, ‘深圳|shenzhen|sz‘, ‘广州|guangzhou|gz‘, ‘杭州|hangzhou|hz‘,
‘南京|nanjing|nj‘, ‘苏州|shuzhou|sz‘, ‘天津|tianjin|tj‘, ‘成都|chengdu|cd‘, ‘南昌|nanchang|nc‘, ‘三亚|sanya|sy‘, ‘青岛|qingdao|qd‘,
‘厦门|xiamen|xm‘, ‘西安|xian|xa‘, ‘长沙|changsha|cs‘, ‘合肥|hefei|hf‘, ‘西藏|xizang|xz‘, ‘内蒙古|neimenggu|nmg‘, ‘安庆|anqing|aq‘, ‘阿泰勒|ataile|atl‘, ‘安康|ankang|ak‘,
‘阿克苏|akesu|aks‘, ‘包头|baotou|bt‘, ‘北海|beihai|bh‘, ‘百色|baise|bs‘, ‘保山|baoshan|bs‘, ‘长治|changzhi|cz‘, ‘长春|changchun|cc‘, ‘常州|changzhou|cz‘, ‘昌都|changdu|cd‘,
‘朝阳|chaoyang|cy‘, ‘常德|changde|cd‘, ‘长白山|changbaishan|cbs‘, ‘赤峰|chifeng|cf‘, ‘大同|datong|dt‘, ‘大连|dalian|dl‘, ‘达县|daxian|dx‘, ‘东营|dongying|dy‘, ‘大庆|daqing|dq‘, ‘丹东|dandong|dd‘,
‘大理|dali|dl‘, ‘敦煌|dunhuang|dh‘, ‘鄂尔多斯|eerduosi|eeds‘, ‘恩施|enshi|es‘, ‘福州|fuzhou|fz‘, ‘阜阳|fuyang|fy‘, ‘贵阳|guiyang|gy‘,
‘桂林|guilin|gl‘, ‘广元|guangyuan|gy‘, ‘格尔木|geermu|gem‘, ‘呼和浩特|huhehaote|hhht‘, ‘哈密|hami|hm‘,
‘黑河|heihe|hh‘, ‘海拉尔|hailaer|hle‘, ‘哈尔滨|haerbin|heb‘, ‘海口|haikou|hk‘, ‘黄山|huangshan|hs‘, ‘邯郸|handan|hd‘,
‘汉中|hanzhong|hz‘, ‘和田|hetian|ht‘, ‘晋江|jinjiang|jj‘, ‘锦州|jinzhou|jz‘, ‘景德镇|jingdezhen|jdz‘,
‘嘉峪关|jiayuguan|jyg‘, ‘井冈山|jinggangshan|jgs‘, ‘济宁|jining|jn‘, ‘九江|jiujiang|jj‘, ‘佳木斯|jiamusi|jms‘, ‘济南|jinan|jn‘,
‘喀什|kashi|ks‘, ‘昆明|kunming|km‘, ‘康定|kangding|kd‘, ‘克拉玛依|kelamayi|klmy‘, ‘库尔勒|kuerle|kel‘, ‘库车|kuche|kc‘, ‘兰州|lanzhou|lz‘,
‘洛阳|luoyang|ly‘, ‘丽江|lijiang|lj‘, ‘林芝|linzhi|lz‘, ‘柳州|liuzhou|lz‘, ‘泸州|luzhou|lz‘, ‘连云港|lianyungang|lyg‘, ‘黎平|liping|lp‘,
‘连成|liancheng|lc‘, ‘拉萨|lasa|ls‘, ‘临沧|lincang|lc‘, ‘临沂|linyi|ly‘, ‘芒市|mangshi|ms‘, ‘牡丹江|mudanjiang|mdj‘, ‘满洲里|manzhouli|mzl‘, ‘绵阳|mianyang|my‘,
‘梅县|meixian|mx‘, ‘漠河|mohe|mh‘, ‘南充|nanchong|nc‘, ‘南宁|nanning|nn‘, ‘南阳|nanyang|ny‘, ‘南通|nantong|nt‘, ‘那拉提|nalati|nlt‘,
‘宁波|ningbo|nb‘, ‘攀枝花|panzhihua|pzh‘, ‘衢州|quzhou|qz‘, ‘秦皇岛|qinhuangdao|qhd‘, ‘庆阳|qingyang|qy‘, ‘齐齐哈尔|qiqihaer|qqhe‘,
‘石家庄|shijiazhuang|sjz‘, ‘沈阳|shenyang|sy‘, ‘思茅|simao|sm‘, ‘铜仁|tongren|tr‘, ‘塔城|tacheng|tc‘, ‘腾冲|tengchong|tc‘, ‘台州|taizhou|tz‘,
‘通辽|tongliao|tl‘, ‘太原|taiyuan|ty‘, ‘威海|weihai|wh‘, ‘梧州|wuzhou|wz‘, ‘文山|wenshan|ws‘, ‘无锡|wuxi|wx‘, ‘潍坊|weifang|wf‘, ‘武夷山|wuyishan|wys‘, ‘乌兰浩特|wulanhaote|wlht‘,
‘温州|wenzhou|wz‘, ‘乌鲁木齐|wulumuqi|wlmq‘, ‘万州|wanzhou|wz‘, ‘乌海|wuhai|wh‘, ‘兴义|xingyi|xy‘, ‘西昌|xichang|xc‘, ‘襄樊|xiangfan|xf‘,
‘西宁|xining|xn‘, ‘锡林浩特|xilinhaote|xlht‘, ‘西双版纳|xishuangbanna|xsbn‘, ‘徐州|xuzhou|xz‘, ‘义乌|yiwu|yw‘, ‘永州|yongzhou|yz‘, ‘榆林|yulin|yl‘, ‘延安|yanan|ya‘, ‘运城|yuncheng|yc‘,
‘烟台|yantai|yt‘, ‘银川|yinchuan|yc‘, ‘宜昌|yichang|yc‘, ‘宜宾|yibin|yb‘, ‘盐城|yancheng|yc‘, ‘延吉|yanji|yj‘, ‘玉树|yushu|ys‘, ‘伊宁|yining|yn‘, ‘珠海|zhuhai|zh‘, ‘昭通|zhaotong|zt‘,
‘张家界|zhangjiajie|zjj‘, ‘舟山|zhoushan|zs‘, ‘郑州|zhengzhou|zz‘, ‘中卫|zhongwei|zw‘, ‘芷江|zhijiang|zj‘, ‘湛江|zhanjiang|zj‘
];
var regEx = /^([\u4E00-\u9FA5\uf900-\ufa2d]+)\|(\w+)\|(\w)\w*$/i, // 匹配汉字，拼音
regExChiese = /([\u4E00-\u9FA5\uf900-\ufa2d]+)/, // 只匹配拼音
reg_ah = /^[a-h]$/i, // 匹配首字母为 a-h
reg_ip = /^[i-p]/i, // 匹配首字母为 i-p
reg_qz = /^[q-z]/i; // 匹配首字母为 q-z
//构建城市分类字面量
var city = {
hot: {},
ABCDEFGH: {},
IJKLMNOP: {},
QRSTUVWXYZ: {}
};
//城市按首字母分类，填充到分类字面量
(function() {
for (var i = 0, len = allCities.length; i < len; i++) {
var part = regEx.exec(allCities[i]),
en = part[1], //中文名
letter = part[2], //拼音
spletter = part[3], //拼音简写
first = letter[0].toUpperCase(), //拼音首字母
ltPart; //当前字母下的城市
if (reg_ah.test(first)) {
ltPart = ‘ABCDEFGH‘;
} else if (reg_ip.test(first)) {
ltPart = ‘IJKLMNOP‘;
} else if (reg_qz.test(first)) {
ltPart = ‘QRSTUVWXYZ‘;
}
city[ltPart][first] ? city[ltPart][first].push(en) : (city[ltPart][first] = [], city[ltPart][first].push(en));
//设置前16个城市为热门城市
if (i < 16) {
city.hot[‘hot‘] ? city.hot[‘hot‘].push(part[1]) : (city.hot[‘hot‘] = [], city.hot[‘hot‘].push(part[1]));
}
}
})();
var KuCity = function(target) {
this.target = target; // 输入框
this.container = null; //插件容器
this.resultct = null; //搜索结果容器
this.isKeyslect = false; //是否在用上下键选择
this.isContainerExit = false; // 插件容器是否已存在
};
KuCity.prototype = {
constructor: KuCity,
//初始化
init: function() {
this.creatItem();
this.tabChange();
this.citySelect();
this.inputSearch();
this.keySelect();
this.stopPropagation();
},
//创建市列表
creatItem: function() {
if(this.isContainerExit) return;
var template = ‘<div class="kucity"><div class="citybox"><h3 class="kucity_header">热门城市(支持汉字/拼音搜索)</h3><ul class="kucity_nav"><li class="active">热门城市</li><li>ABCDEFGH</li><li>IJKLMNOP</li><li>QRSTUVWXYZ</li></ul><div class="kucity_body"></div></div><ul class="result"></ul></div>‘;
$(‘body‘).append(template);
this.container = $(‘.kucity‘);
this.resultct = $(‘.result‘);
for (var group in city) {
var itemKey = [];
for (var item in city[group]) {
itemKey.push(item);
}
itemKey.sort();
var itembox = $(‘<div class="kucity_item">‘);
itembox.addClass(group);
for (var i = 0, iLen = itemKey.length; i < iLen; i++) {
var dl = $(‘<dl>‘),
dt = ‘<dt>‘ + (itemKey[i] == ‘hot‘ ? ‘‘ : itemKey[i]) + ‘</dt>‘,
dd = $(‘<dd>‘),
str = ‘‘;
for (var j = 0, jLen = city[group][itemKey[i]].length; j < jLen; j++) {
str += ‘<span>‘ + city[group][itemKey[i]][j] + ‘</span>‘
}
dd.append(str);
dl.append(dt).append(dd);
itembox.append(dl);
}
$(‘.kucity_body‘).append(itembox);
this.container.find(‘.hot‘).addClass(‘active‘);
}
this.isContainerExit = true;
},
//创建搜索结果列表
creatResult: function(re, value) {
var result = re.result,
len = result.length,
str = ‘‘;
if (!!len) {
for (var i = 0; i < len; i++) {
str += ‘<li><span class="name">‘ + result[i].cityName + ‘</span><span class="letter">‘ + result[i].py + ‘</span></li>‘
}
this.container.find(‘.result‘).html(‘‘).html(str).find(‘li‘).eq(0).addClass(‘active‘);
} else {
this.container.find(‘.result‘).html(‘<li>没有找到<span class="noresult">‘ + value + ‘</span>相关信息</li>‘);
}
},
//列表切换
tabChange: function() {
$(‘.kucity_nav‘).on(‘click‘, ‘li‘, function(e) {
var current = $(e.target),
index = current.index();
current.addClass(‘active‘).siblings().removeClass(‘active‘);
$(‘.kucity_item‘).eq(index).addClass(‘active‘).siblings().removeClass(‘active‘);
$(‘ .kucity_body‘).scrollTop(0);
})
},
//城市选择
citySelect: function() {
var self = this;
$(‘.kucity_item dd‘).on(‘click‘, ‘span‘, function(e) {
self.target.val(($(e.target).text()));
self.container.hide();
})
},
//上下键选择搜索结果
keySelect: function() {
var self = this;
this.target.on(‘keydown‘, function(e){
var current = self.resultct.find(‘.active‘).index();
if(current !== -1){
switch(e.keyCode){
//上
case 38:
keyActive(false);
break;
//下
case 40:
keyActive(true);
break;
//确定
case 13:
self.isKeyslect = false;
self.target.val(self.resultct.find(‘.active .name‘).text());
self.triggleShow(‘all‘);
self.target.blur();
break;
default:
self.isKeyslect = false;
break;
}
function keyActive(isInorder) {
var max = self.resultct.find(‘li‘).length - 1;
if(isInorder){
current = current == max ? 0 : current + 1;
}else{
current = current == 0 ? max : current - 1;
}
self.resultct.find(‘li‘).eq(current).addClass(‘active‘).siblings().removeClass(‘active‘);
self.isKeyslect = true;
}
}
})
},
//搜索
inputSearch: function() {
var self = this;
this.target.on(‘keyup‘, function(e) {
if(!self.isKeyslect){
self.throttle(search, this);
}
})
// 输入框搜索
function search(e) {
var container = self.container;
self.triggleShow(false);
var value = $(this).val();
if (value) {
var url = ‘https://sjipiao.alitrip.com/city_search.do?_ksTS=1439362066383_11337&lines=10&_input_charset=utf-8&needProvince=true&q=‘ + value;
$.ajax({
url: url,
type: ‘get‘,
dataType: ‘jsonp‘
}).done(function(re) {
self.creatResult(re, value);
})
} else {
self.triggleShow(true);
}
}
},
//列表，结果，整体 显示切换
triggleShow: function(open) {
var container = this.container;
if (open === ‘all‘) {
container.hide()
} else if (open) {
container.find(‘.citybox‘).show().end().find(‘.result‘).hide();
} else {
container.find(‘.citybox‘).hide().end().find(‘.result‘).show();
}
},
//函数节流
throttle: function(fn, context) {
clearTimeout(fn.tId);
fn.tId = setTimeout(function(){
fn.call(context);
}, 100)
},
//阻止事件冒泡
stopPropagation: function() {
var self = this;
//阻止事件冒泡
this.container.on(‘click‘, stopPropagation);
this.target.on(‘click‘, stopPropagation);
//页面点击 隐藏
$(document).on(‘click‘, function() {
self.container.hide();
})
function stopPropagation(e) {
e.stopPropagation();
}
}
};
var kucity = null;
$.fn.kuCity = function(options) {
var target = $(this);
target.on(‘focus‘, function(e) {
var top = $(this).offset().top + $(this).outerHeight(),
left = $(this).offset().left;
kucity = kucity ? kucity : new KuCity(target);
kucity.target = $(e.target);
kucity.init();
kucity.container.show().offset({
‘top‘: top + 7,
‘left‘: left
});
kucity.triggleShow(true);
kucity.resultct.on(‘click‘, ‘li‘, function() {
kucity.target.val($(this).find(‘.name‘).text());
kucity.triggleShow(‘all‘);
})
})
return this;
};
})(jQuery)
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原文地址：http://www.cnblogs.com/jiechen/p/4976339.html
