共包含7658条北京小区数据，表结构如下： CREATE TABLE `village_bj` ( `id` int(10) unsigned NOT NULL AUTO_INCREMENT, `village_name` varchar(191) COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '小区名', `village_number` varchar(32) COLLATE utf8mb4_unicode_ci NOT NULL COMMENT '小区编号', `latitude` decimal(10,7) DEFAULT NU