求jquery的全球国家、省、市三级联动插件

查询呗，是系统的话，这些数据在数据库中应该有保存的把，到时候用jquery的change方法来监听选着事件，然后去查

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jquery省市区三级联动编辑时怎么默认选中

以下代码放在一个单独的js文件中，在页面上引用即可调用

复制代码 代码如下:

//获取cookie值

function readCookie(name) {

var cookieValue = "";

var search = name + "=";

if (document.cookie.length 0) {

offset = document.cookie.indexOf(search);

if (offset != -1) {

offset += search.length;

end = document.cookie.indexOf(";", offset);

if (end == -1) end = document.cookie.length;

cookieValue = unescape(document.cookie.substring(offset, end))

}

}

return cookieValue;

}

//保存cookie值

function writeCookie(name, value, hours, escp) {

var expire = "";

if (hours != null) {

expire = new Date((new Date()).getTime() + hours * 3600000);

expire = "; expires=" + expire.toGMTString();

}

if (escp == "True") {

document.cookie = name + "=" + value + expire;

} else {

document.cookie = name + "=" + escape(value) + expire;

}

}

//省市区，流域，水系，断面条件选择

$(function() {

var $ddlprovince = $("#ddlProvince"); //省份

var $ddlcity = $("#ddlCity"); //城市

var $ddlarea = $("#ddlAreaName"); //区域

//根据省份查询城市

//$ddlprovince.focus(); //不要加focus,否则设置selected有问题

$ddlprovince.bind("change keyup", function() {

if ($(this).val() != "-1") {

loadWater($(this).val(), "SelectCity");

} else {

$("select[id$=ddlCity] option").remove();

$ddlcity.append($("option/option").val("-1").html("--请选择--"));

}

//从新选择省份或者从新选择城市都会初始化区域

$("select[id$=ddlAreaName] option").remove();

$ddlarea.append($("option/option").val("-1").html("--请选择--"));

});

//如果城市没有填充数据，省份有选择数据则加载数据

if ($("select[id$=ddlCity] option").length == 1 $ddlprovince.val() != "-1") {

loadWater($ddlprovince.val(), "SelectCity");

//读cookie,有值则设为选中状态

var cityname = readCookie("JQ_CityName");

if (cityname != null cityname != "undefined" cityname != "") {

//$("select[id=ddlWaterXiName] option:contains('" + watername + "')").attr("selected", "true");

$("select[id$=ddlCity] option[value='" + cityname + "']").attr("selected", "true");

}

}

//根据城市查询区域

//$ddlcity.focus();

$ddlcity.bind("change keyup", function() {

if ($(this).val() != "-1") {

loadWater($(this).val(), "SelectAreaName");

//选中值存cookie

writeCookie("JQ_CityName", $(this).val(), 0.5, true);

} else {

$("select[name$=ddlAreaName] option").remove();

$ddlarea.append($("option/option").val("-1").html("--请选择--"));

}

});

//如果区名没有填充数据，城市有选择数据则加载数据

if ($("select[id$=ddlAreaName] option").length == 1 $ddlcity.val() != "-1") {

loadWater($ddlcity.val(), "SelectAreaName");

//读cookie,有值则设为选中状态

var areaname = readCookie("JQ_AreaName");

if (areaname != null areaname != "undefined" areaname != "") {

$("select[id=ddlAreaName] option[value='" + areaname + "']").attr("selected", "true");

}

}

$ddlarea.bind("change keyup", function() {

if ($(this).val() != "-1") {

//选中值存cookie

writeCookie("JQ_AreaName", $(this).val(), 0.5, true);

}

});

});

function loadWater(selectedItem, typename) {

$.ajax({

type: "GET",

url: "/GetWaterxiname.ashx",

data: { usetype: typename, id: selectedItem },

contentType: "application/json; charset=utf-8",

dataType: "json",

async: false,

success: function Success(data) {

bindWater(data, typename);

}

});

}

function bindWater(data, typename) {

if (typename == "SelectCity") { //绑定城市

$("select[name$=ddlCity] option").remove(); //删除原有的option

$("select[id$=ddlCity]").append($("option/option").val("-1").html("--请选择--"));

for (var i = 0; i data.length; i++) {

$("select[id$=ddlCity]").append($("option/option").val(data[i].City).html(data[i].City));

}

}

else if (typename == "SelectAreaName") {

$("select[name$=ddlAreaName] option").remove(); //删除原有的option

$("select[id$=ddlAreaName]").append($("option/option").val("-1").html("--请选择--"));

for (var i = 0; i data.length; i++) {

$("select[id$=ddlAreaName]").append($("option/option").val(data[i].AreaName).html(data[i].AreaName));

}

}

}

web前端怎么引用jquery省市级联插件

1. [代码]新增选择城市    

$(function(){

$("#province").cityCasCade("#city").cityCasCade('select','河南省');

//or

$("#province").cityCasCade("#city").cityCasCade('select','河南省','开封市');

}

/**

* java diqye

* 城市数据时从网上Copy的

* 级联功能也是参考网上已做好的思路

* 封装成插件为了以后使用方便

* add 增加选中城市方法select

*/

(function($){

$.fn.cityCasCade = function(operation,province,city){

var selectCity=null,params=null,overparams=null;

if(typeof operation == "string"){

if(operation == "select"){

if(province){

$(this).find("option").each(function(){

if($(this).val()==province){

this.selected=true;

$(this).change();

if(city){

$($.fn.cityCascadeParam.selectCity).find("option").each(function(){

if($(this).val()==city){

this.selected=true;

$(this).change();

}

});

}

}

});

}

return $(this);

}

selectCity=operation;

}

else{

if(operation.selector)selectCity=operation.selector;

if(operation.overideoperation.data)overparams=operation.data;

else params=operation.data;

}

$.fn.cityCascadeParam ={};

$.fn.cityCascadeParam.data = _provinces_;

$.fn.cityCascadeParam.selectCity = null;

if(selectCity) $.fn.cityCascadeParam.selectCity=selectCity;

else throw "城市选择器不能为空";

$.fn.cityCascadeParam.cityValue= $($.fn.cityCascadeParam.selectCity+":first").val();

$.fn.cityCascadeParam.cityText= $($.fn.cityCascadeParam.selectCity+":first").text();

if(overparams)$.fn.cityCascadeParam.data=overparams;

else $.extend($.fn.cityCascadeParam.data, params);

$.fn.cityCascadeParam.loadProvince = function(self){

for(var p in $.fn.cityCascadeParam.data){

var opt=document.createElement("option");

opt.innerHTML=p;

opt.value=p;

self.appendChild(opt);

}

}

$.fn.cityCascadeParam.loadCity = function(parent){

var self = $($.fn.cityCascadeParam.selectCity).get(0);

if(!self) throw "未找到城市下拉框 城市选择器 " + $.fn.cityCascadeParam.selectCity;

var selectProvince=$(parent).val();

if(selectProvince in $.fn.cityCascadeParam.data){

var citys=$.fn.cityCascadeParam.data[selectProvince];

self.innerHTML="";

for(var index=0;indexcitys.length;index++){

opt=document.createElement("option");

opt.innerHTML=citys[index];

opt.value=citys[index];

self.appendChild(opt);

}

}else{

self.innerHTML="";

opt=document.createElement("option");

opt.innerHTML=$.fn.cityCascadeParam.cityText;

opt.value=$.fn.cityCascadeParam.cityValue;

self.appendChild(opt);

}

}

this.each(function(){

$.fn.cityCascadeParam.loadProvince(this);

$(this).change(function(){

$.fn.cityCascadeParam.loadCity(this);

});

});

return $(this);

}

})($);

var _provinces_={四川省:["成都市","自贡市","攀枝花市","泸州市","德阳市","绵阳市","广元市","遂宁市","内江市","乐山市","南充市","眉山市","宜宾市","广安市","达州市","雅安市","巴中市","资阳市","阿坝藏族羌族自治州","甘孜藏族自治州","凉山彝族自治州"],山西省:["太原市","大同市","阳泉市","长治市","晋城市","朔州市","晋中市","运城市","忻州市","临汾市","吕梁市"],内蒙古:["呼和浩特市","包头市","乌海市","赤峰市","通辽市","鄂尔多斯市","呼伦贝尔市","巴彦淖尔市","乌兰察布市","兴安盟","锡林郭勒盟","阿拉善盟"],辽宁省:["沈阳市","大连市","鞍山市","抚顺市","本溪市","丹东市","锦州市","营口市","阜新市","辽阳市","盘锦市","铁岭市","朝阳市","葫芦岛市"],吉林省:["长春市","吉林市","四平市","辽源市","通化市","白山市","松原市","白城市","延边朝鲜族自治州"],黑龙江省:["哈尔滨市","齐齐哈尔市","鸡西市","鹤岗市","双鸭山市","大庆市","伊春市","佳木斯市","七台河市","牡丹江市","黑河市","绥化市","大兴安岭地区"],上海:["上海"],江苏省:["南京市","无锡市","徐州市","常州市","苏州市","南通市","连云港市","淮安市","盐城市","扬州市","镇江市","泰州市","宿迁市"],浙江省:["杭州市","宁波市","温州市","嘉兴市","湖州市","绍兴市","金华市","衢州市","舟山市","台州市","丽水市"],安徽省:["合肥市","芜湖市","蚌埠市","淮南市","马鞍山市","淮北市","铜陵市","安庆市","黄山市","滁州市","阜阳市","宿州市","巢湖市","六安市","亳州市","池州市","宣城市"],福建省:["福州市","厦门市","莆田市","三明市","泉州市","漳州市","南平市","龙岩市","宁德市"],江西省:["南昌市","景德镇市","萍乡市","九江市","新余市","鹰潭市","赣州市","吉安市","宜春市","抚州市","上饶市"],山东省:["济南市","青岛市","淄博市","枣庄市","东营市","烟台市","潍坊市","济宁市","泰安市","威海市","日照市","莱芜市","临沂市","德州市","聊城市","滨州市","菏泽市"],河南省:["郑州市","开封市","洛阳市","平顶山市","安阳市","鹤壁市","新乡市","焦作市","濮阳市","许昌市","漯河市","三门峡市","南阳市","商丘市","信阳市","周口市","驻马店市"],湖北省:["武汉市","黄石市","十堰市","宜昌市","襄樊市","鄂州市","荆门市","孝感市","荆州市","黄冈市","咸宁市","随州市","恩施土家族苗族自治州"],湖南省:["长沙市","株洲市","湘潭市","衡阳市","邵阳市","岳阳市","常德市","张家界市","益阳市","郴州市","永州市","怀化市","娄底市","湘西土家族苗族自治州"],广东省:["广州市","韶关市","深圳市","珠海市","汕头市","佛山市","江门市","湛江市","茂名市","肇庆市","惠州市","梅州市","汕尾市","河源市","阳江市","清远市","东莞市","中山市","潮州市","揭阳市","云浮市"],广西省:["南宁市","柳州市","桂林市","梧州市","北海市","防城港市","钦州市","贵港市","玉林市","百色市","贺州市","河池市","来宾市","崇左市"],海南省:["海口市","三亚市"],重庆市:["重庆"],贵州省:["贵阳市","六盘水市","遵义市","安顺市","铜仁地区","黔西南布依族苗族自治州","毕节地区","黔东南苗族侗族自治州","黔南布依族苗族自治州"],云南省:["昆明市","曲靖市","玉溪市","保山市","昭通市","丽江市","思茅市","临沧市","楚雄彝族自治州","红河哈尼族彝族自治州","文山壮族苗族自治州","西双版纳傣族自治州","大理白族自治州","德宏傣族景颇族自治州","怒江傈僳族自治州","迪庆藏族自治州"],西藏自治区:["拉萨市","昌都地区","山南地区","日喀则地区","那曲地区","阿里地区","林芝地区"],陕西省:["西安市","铜川市","宝鸡市","咸阳市","渭南市","延安市","汉中市","榆林市","安康市","商洛市"],甘肃省:["兰州市","嘉峪关市","金昌市","白银市","天水市","武威市","张掖市","平凉市","酒泉市","庆阳市","定西市","陇南市","临夏回族自治州","甘南藏族自治州"],青海省:["西宁市","海东地区","海北藏族自治州","黄南藏族自治州","海南藏族自治州","果洛藏族自治州","玉树藏族自治州","海西蒙古族藏族自治州"],宁夏自治区:["银川市","石嘴山市","吴忠市","固原市","中卫市"],新疆自治区:["乌鲁木齐市","克拉玛依市","吐鲁番地区","哈密地区","昌吉回族自治州","博尔塔拉蒙古自治州","巴音郭楞蒙古自治州","阿克苏地区","克孜勒苏柯尔克孜自治州","喀什地区","和田地区","伊犁哈萨克自治州","塔城地区","阿勒泰地区"],台湾省:["台北市"],香港特区:["香港"],澳门特区:["澳门"],河北省:["石家庄","唐山","秦皇岛","张家口","承德","廊坊","邯郸","邢台","保定","沧州","衡水"]};

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jquery mobile城市选择

!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"

HTML

HEAD

TITLE/TITLE

script src="jq/jquery-1.7.min.js" type="text/javascript"/script

script type="text/javascript"

var province = "LN:liaoning,BJ:beijing";

var city = {

"LN" : "SY:shenyang,DL:dalian",

"BJ" : "BJ:bejjing"

};

$(function(){

var p1 = province.split(",");

for(var i = 0; i p1.length; i++){

$("#p").append("option value='"+p1[i].split(":")[0]+"'"+p1[i].split(":")[1]+"/option");

}

$("#p").change(function(){

// $(this).children('option:selected').val() = this.value

if (city[this.value] != null city[this.value] != "undefined") {

var c1 = city[this.value].split(",");

$("#c option").remove();

for(var j = 0; j c1.length; j++){

$("#c").append("option value='"+c1[j].split(":")[0]+"'"+c1[j].split(":")[1]+"/option");

}

} else {

$("#c option").remove();

$("#c").append("option value=''please selected/option");

}

});

});

/script

/HEAD

BODY

province:select id="p"

option value="" SELECTEDplease selected/option

/select

city:select id="c"

OPTION value="" SELECTEDplease selected/option

/select

/BODY

/HTML

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