本文实例为大家分享了ajax实现无刷新省市县三级联动的具体代码，供大家参考，具体内容如下
效果图：
实现代码：
1、html：
<html>
<head>
<title></title>
<style type="text/css">
select
{
width: 150px;
}
</style>
[removed][removed]
[removed]
$(function () {
2022-11-11 16:01:58
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一款可以实现中国省市区地址三级联动jQuery插件。它使用简单，简单设置即可完成中国省市区地址联动效果。
2022-11-10 22:07:53
117KB
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JS三级联动插件,可以传入默认值,城市地区数据可以通过接口获取或者使用默认数据
2022-11-02 14:29:29
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省市、区、县、镇、乡5级联动sql文件；
共74w多条记录，表结构清晰：
CREATE TABLE `position_province` (
`id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键ID',
`province_id` int(11) unsigned NOT NULL COMMENT '省份id、省份编号',
`province_name` char(32) NOT NULL COMMENT '省份名称',
PRIMARY KEY (`id`),
UNIQUE KEY `provice_id` (`province_id`)
) ENGINE=InnoDB AUTO_INCREMENT=32 DEFAULT CHARSET=utf8 COMMENT='省份数据库';
CREATE TABLE `position_city` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`province_id` int(10) unsigned NOT NULL COMMENT '地级市id',
`city_id` bigint(20) unsigned NOT NULL COMMENT '县级市id',
`city_name` char(64) NOT NULL,
PRIMARY KEY (`id`),
UNIQUE KEY `city_id` (`city_id`),
KEY `province_id` (`province_id`),
CONSTRAINT `position_city_ibfk_1` FOREIGN KEY (`province_id`) REFERENCES `position_province` (`province_id`) ON DELETE NO ACTION
) ENGINE=InnoDB AUTO_INCREMENT=346 DEFAULT CHARSET=utf8 COMMENT='县级市数据库';
CREATE TABLE `position_country` (
`id` int(11) NOT NULL AUTO_INCREMENT COMMENT '地级市主键ID',
`city_id` bigint(20) unsigned NOT NULL COMMENT '地级市id',
`country_id` bigint(20) unsigned NOT NULL COMMENT '县级id',
`country_name` char(64) NOT NULL,
PRIMARY KEY (`id`),
UNIQUE KEY `county_id` (`country_id`),
KEY `city_id` (`city_id`),
CONSTRAINT `position_country_ibfk_1` FOREIGN KEY (`city_id`) REFERENCES `position_city` (`city_id`) ON DELETE NO ACTION
) ENGINE=InnoDB AUTO_INCREMENT=2857 DEFAULT CHARSET=utf8 COMMENT='地区市数据库';
CREATE TABLE `position_town` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`country_id` bigint(20) unsigned NOT NULL COMMENT '县级市id',
`town_id` bigint(20) unsigned NOT NULL COMMENT '镇id',
`town_name` char(64) NOT NULL,
PRIMARY KEY (`id`),
UNIQUE KEY `town_id` (`town_id`),
KEY `country_id` (`country_id`) USING BTREE,
CONSTRAINT `position_town_ibfk_1` FOREIGN KEY (`country_id`) REFERENCES `position_country` (`country_id`)
) ENGINE=InnoDB AUTO_INCREMENT=43855 DEFAULT CHARSET=utf8 COMMENT='镇数据库';
CREATE TABLE `position_village` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`town_id` bigint(20) unsigned NOT NULL COMMENT '镇id',
`village_id` bigint(20) unsigned NOT NULL COMMENT '村id--唯一',
`village_name` char(64) NOT NULL,
PRIMARY KEY (`id`),
UNIQUE KEY `village_id` (`village_id`),
KEY `town_id` (`town_id`),
CONSTRAINT `position_village_ibfk_1` FOREIGN KEY (`town_id`) REFERENCES `position_town` (`town_id`) ON DELETE NO ACTION
) ENGINE=InnoDB AUTO_INCREMENT=693338 DEFAULT CHARSET=utf8 COMMENT='省市县镇村数据';
2022-10-26 22:53:56
68.74MB
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