行政区划的数据来源：国家统计局（截止2011年10月31日）
参考网址：http://www.stats.gov.cn/tjbz/xzqhdm/t20120105_402777427.htm
国家统计局给出的数据是网页格式的，如果需要把这些数据收纳到项目中来，需要费点儿周折。我用HttpClient工具读取了网页的内容，然后经过简单的分析拼接，最后得到了SQL脚本，SQL脚本的内容如下：
注：本贴中的数据只限学习交流用，因此而引起的任何法律责任和纠纷均和作者无关。如需转帖，请注明出处。
-- ---------------------
-- 行政区划临时表
-- @author Programmer.Wenlong
-- @since 2012-03-09
-- ---------------------
create table temp(
code varchar(8),
name varchar(32),
primary key(code)
);
insert into temp(code,name) values(\'110000\',\'北京市\');
insert into temp(code,name) values(\'110100\',\'市辖区\');
insert into temp(code,name) values(\'110101\',\'东城区\');
insert into temp(code,name) values(\'110102\',\'西城区\');
insert into temp(code,name) values(\'110105\',\'朝阳区\');
insert into temp(code,name) values(\'110106\',\'丰台区\');
insert into temp(code,name) values(\'110107\',\'石景山区\');
insert into temp(code,name) values(\'110108\',\'海淀区\');
insert into temp(code,name) values(\'110109\',\'门头沟区\');
insert into temp(code,name) values(\'110111\',\'房山区\');
insert into temp(code,name) values(\'110112\',\'通州区\');
insert into temp(code,name) values(\'110113\',\'顺义区\');
insert into temp(code,name) values(\'110114\',\'昌平区\');
insert into temp(code,name) values(\'110115\',\'大兴区\');
insert into temp(code,name) values(\'110116\',\'怀柔区\');
insert into temp(code,name) values(\'110117\',\'平谷区\');
insert into temp(code,name) values(\'110200\',\'县\');
insert into temp(code,name) values(\'110228\',\'密云县\');
insert into temp(code,name) values(\'110229\',\'延庆县\');
insert into temp(code,name) values(\'120000\',\'天津市\');
insert into temp(code,name) values(\'120100\',\'市辖区\');
insert into temp(code,name) values(\'120101\',\'和平区\');
insert into temp(code,name) values(\'120102\',\'河东区\');
insert into temp(code,name) values(\'120103\',\'河西区\');
insert into temp(code,name) values(\'120104\',\'南开区\');
insert into temp(code,name) values(\'120105\',\'河北区\');
insert into temp(code,name) values(\'120106\',\'红桥区\');
insert into temp(code,name) values(\'120110\',\'东丽区\');
insert into temp(code,name) values(\'120111\',\'西青区\');
insert into temp(code,name) values(\'120112\',\'津南区\');
insert into temp(code,name) values(\'120113\',\'北辰区\');
insert into temp(code,name) values(\'120114\',\'武清区\');
insert into temp(code,name) values(\'120115\',\'宝坻区\');
insert into temp(code,name) values(\'120116\',\'滨海新区\');
insert into temp(code,name) values(\'120200\',\'县\');
insert into temp(code,name) values(\'120221\',\'宁河县\');
insert into temp(code,name) values(\'120223\',\'静海县\');
insert into temp(code,name) values(\'120225\',\'蓟县\');
insert into temp(code,name) values(\'130000\',\'河北省\');
insert into temp(code,name) values(\'130100\',\'石家庄市\');
insert into temp(code,name) values(\'130101\',\'市辖区\');
insert into temp(code,name) values(\'130102\',\'长安区\');
insert into temp(code,name) values(\'130103\',\'桥东区\');
insert into temp(code,name) values(\'130104\',\'桥西区\');
insert into temp(code,name) values(\'130105\',\'新华区\');
insert into temp(code,name) values(\'130107\',\'井陉矿区\');
insert into temp(code,name) values(\'130108\',\'裕华区\');
insert into temp(code,name) values(\'130121\',\'井陉县\');
insert into temp(code,name) values(\'130123\',\'正定县\');
insert into temp(code,name) values(\'130124\',\'栾城县\');
insert into temp(code,name) values(\'130125\',\'行唐县\');
insert into temp(code,name) values(\'130126\',\'灵寿县\');
insert into temp(code,name) values(\'130127\',\'高邑县\');
insert into temp(code,name) values(\'130128\',\'深泽县\');
insert into temp(code,name) values(\'130129\',\'赞皇县\');
insert into temp(code,name) values(\'130130\',\'无极县\');
insert into temp(code,name) values(\'130131\',\'平山县\');
insert into temp(code,name) values(\'130132\',\'元氏县\');
insert into temp(code,name) values(\'130133\',\'赵县\');
insert into temp(code,name) values(\'130181\',\'辛集市\');
insert into temp(code,name) values(\'130182\',\'藁城市\');
insert into temp(code,name) values(\'130183\',\'晋州市\');
insert into temp(code,name) values(\'130184\',\'新乐市\');
insert into temp(code,name) values(\'130185\',\'鹿泉市\');
insert into temp(code,name) values(\'130200\',\'唐山市\');
insert into temp(code,name) values(\'130201\',\'市辖区\');
insert into temp(code,name) values(\'130202\',\'路南区\');
insert into temp(code,name) values(\'130203\',\'路北区\');
insert into temp(code,name) values(\'130204\',\'古冶区\');
insert into temp(code,name) values(\'130205\',\'开平区\');
insert into temp(code,name) values(\'130207\',\'丰南区\');
insert into temp(code,name) values(\'130208\',\'丰润区\');
insert into temp(code,name) values(\'130223\',\'滦县\');
insert into temp(code,name) values(\'130224\',\'滦南县\');
insert into temp(code,name) values(\'130225\',\'乐亭县\');
insert into temp(code,name) values(\'130227\',\'迁西县\');
insert into temp(code,name) values(\'130229\',\'玉田县\');
insert into temp(code,name) values(\'130230\',\'唐海县\');
insert into temp(code,name) values(\'130281\',\'遵化市\');
insert into temp(code,name) values(\'130283\',\'迁安市\');
insert into temp(code,name) values(\'130300\',\'秦皇岛市\');
insert into temp(code,name) values(\'130301\',\'市辖区\');
insert into temp(code,name) values(\'130302\',\'海港区\');
insert into temp(code,name) values(\'130303\',\'山海关区\');
insert into temp(code,name) values(\'130304\',\'北戴河区\');
insert into temp(code,name) values(\'130321\',\'青龙满族自治县\');
因数据较多，我已上传至http://download.csdn.net/detail/mycdsnstudy/4129537
当然，不同级别的行政区划之间还存在关联关系。只要把源数据导入到数据库中，剩的工作就相对简单了。