mybatis实现读取树结构数据实例代码

mybatis实现读取树结构数据详细介绍如下所示：

表结构

CREATE TABLE `lscrm_function_privilege` (`id` int(10) unsigned NOT NULL AUTO_INCREMENT<i style="color:transparent">@本文来源gaodai$ma#com搞$代*码6网</i><b>搞代gaodaima码</b> COMMENT '编号',`create_id` varchar(30) NOT NULL DEFAULT 'sys',`update_id` varchar(30) NOT NULL DEFAULT 'sys',`create_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',`update_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '修改时间',`validity` tinyint(3) unsigned NOT NULL DEFAULT '1' COMMENT '有效性 1.有效 0. 无效',`code` varchar(50) NOT NULL DEFAULT '' COMMENT '编码',`function_name` varchar(50) NOT NULL DEFAULT '' COMMENT '名称',`parent_id` tinyint(3) unsigned NOT NULL DEFAULT '0' COMMENT '父节点',`is_leaf_node` tinyint(3) unsigned NOT NULL DEFAULT '1' COMMENT '是否叶子节点(叶子结点 就是度为0的结点 就是没有子结点的结点),在添加子节点时,需要将parent_id is_leaf_node 设置成0',`sub_system_id` int(10) unsigned NOT NULL DEFAULT '0' COMMENT '所属子系统',`is_hidden` tinyint(3) unsigned NOT NULL DEFAULT '0' COMMENT 'UI是否隐藏,ui上不展示',PRIMARY KEY (`id`)) ENGINE=InnoDB AUTO_INCREMENT=22 DEFAULT CHARSET=utf8 COMMENT='子code 按照父code 来创建\r\n如: customer.add';

构造数据

INSERT INTO `lscrm_function_privilege` VALUES ('1', 'sys', 'sys', '2016-09-07 15:20:40', '2016-09-07 15:21:17', '1', 'WEB.PERMISSION', '权限管理', '0', '0', '1', '0');INSERT INTO `lscrm_function_privilege` VALUES ('2', 'sys', 'sys', '2016-09-07 15:21:12', '2016-09-07 15:21:40', '1', 'WEB.PERMISSION.USER-MGMT', '用户管理', '1', '0', '1', '0');INSERT INTO `lscrm_function_privilege` VALUES ('3', 'sys', 'sys', '2016-09-07 15:22:16', '2016-09-07 15:22:35', '1', 'WEB.PERMISSION.USER-MGMT.ADD', '新增用户', '2', '1', '1', '0');INSERT INTO `lscrm_function_privilege` VALUES ('4', 'sys', 'sys', '2016-09-07 15:23:17', '2016-09-07 15:23:17', '1', 'WEB.PERMISSION.USER-MGMT.MODIFY', '修改用户', '2', '1', '1', '0');INSERT INTO `lscrm_function_privilege` VALUES ('5', 'sys', 'sys', '2016-09-07 16:10:37', '2016-09-07 16:10:42', '1', 'APP.CUSTOMER', '客户管理', '0', '0', '2', '0');INSERT INTO `lscrm_function_privilege` VALUES ('6', 'sys', 'sys', '2016-09-07 16:11:06', '2016-09-07 16:11:20', '1', 'APP.CUSTOMER.ADD', '添加客户', '5', '1', '2', '0');INSERT INTO `lscrm_function_privilege` VALUES ('7', 'sys', 'sys', '2016-09-07 16:11:06', '2016-09-07 16:11:20', '1', 'APP.CUSTOMER.MODIFY', '修改客户', '5', '1', '2', '0');INSERT INTO `lscrm_function_privilege` VALUES ('8', 'sys', 'sys', '2016-09-07 16:12:33', '2016-09-07 16:14:10', '1', 'APP.CUSTOMER.VIEWDETAIL', '查看客户详情', '5', '1', '2', '0');INSERT INTO `lscrm_function_privilege` VALUES ('9', 'sys', 'sys', '2016-09-07 16:12:33', '2016-09-07 16:12:33', '1', 'APP.CUSTOMER.ADDVISIT', '添加拜访', '5', '1', '2', '0');INSERT INTO `lscrm_function_privilege` VALUES ('10', 'sys', 'sys', '2016-09-07 16:13:59', '2016-09-07 16:14:17', '1', 'APP.CUSTOMER.VIEWDEMAND', '查看客户采购需求', '5', '1', '2', '0');INSERT INTO `lscrm_function_privilege` VALUES ('11', 'sys', 'sys', '2016-09-07 16:13:59', '2016-09-07 16:14:17', '1', 'APP.CUSTOMER.VIEWORDER', '查看客户订单', '5', '1', '2', '0');INSERT INTO `lscrm_function_privilege` VALUES ('12', 'sys', 'sys', '2016-09-07 16:13:59', '2016-09-07 16:14:17', '1', 'APP.CUSTOMER.VIEWSHOP', '查看客户订单', '5', '1', '2', '0');INSERT INTO `lscrm_function_privilege` VALUES ('13', 'sys', 'sys', '2016-09-07 16:17:28', '2016-09-07 16:18:39', '1', 'APP.CUSTOMER.VIEWREPLY', '查看抢单列表', '5', '1', '2', '0');INSERT INTO `lscrm_function_privilege` VALUES ('14', 'sys', 'sys', '2016-09-07 16:19:32', '2016-09-07 16:23:51', '1', 'APP.CUSTOMER.FASTOPENSHOP', '快捷开店', '5', '1', '2', '0');INSERT INTO `lscrm_function_privilege` VALUES ('15', 'sys', 'sys', '2016-09-07 16:22:33', '2016-09-07 16:22:33', '1', 'APP.DEMAND', '需求管理', '0', '0', '2', '0');INSERT INTO `lscrm_function_privilege` VALUES ('17', 'sys', 'sys', '2016-09-07 16:23:21', '2016-09-07 16:23:21', '1', 'APP.DEMAND.PRIVATE', '私海需求', '15', '1', '2', '0');INSERT INTO `lscrm_function_privilege` VALUES ('18', 'sys', 'sys', '2016-09-07 16:23:58', '2016-09-07 16:23:58', '1', 'APP.DEMAND.FEEDBACK', '找版反馈', '15', '1', '2', '0');INSERT INTO `lscrm_function_privilege` VALUES ('19', 'sys', 'sys', '2016-09-07 16:24:47', '2016-09-07 16:24:47', '1', 'APP.DEMAND.PUSHSEARCH', '推送卖家搜索', '15', '1', '2', '0');INSERT INTO `lscrm_function_privilege` VALUES ('20', 'sys', 'sys', '2016-09-07 16:25:56', '2016-09-07 16:25:56', '1', 'APP.KPI', '绩效管理', '0', '0', '2', '0');INSERT INTO `lscrm_function_privilege` VALUES ('21', 'sys', 'sys', '2016-09-07 16:27:02', '2016-09-07 16:27:02', '1', 'APP.KPI.VIEWDATA', '查看绩效数据', '20', '1', '2', '0');

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