官網(wǎng)地址：www.jeasyui.net/plugins/186…

前端代碼：

$("#menuTreegrid").treegrid({url: SysResource.URL.list(),method: 'get',pagination: false,pageSize: 30,width:'100%',toolbar: '#SysResourceToolbar',idField: 'menuId',treeField: 'name',parentField: 'parentId', //父級菜單singleSelect: false,collapsible: false, // panel是否折疊rownumbers: true,nowrap: false, // 允許換行autoRowHeight: false, //自動行高autoRowWidth: true,animate:true,columns: [[{field: 'ck', checkbox: true},{field: 'menuId', title: '主鍵', hidden: true},{field: 'name', title: '菜單名稱', width: '10%', hidden: false},{field: 'url', title: '菜單路徑', width: '10%', hidden: false },{field: 'description', title: '菜單描述', width: '7.917%', hidden: false},{field: 'perms', title: '授權(quán)標(biāo)識', width: '20%', hidden: false},{field: 'orderNum', title: '排序', width: '3%', hidden: false},{field: 'delFlag',title: '狀態(tài)',width: '3%',hidden: false,formatter: function (value, row, index) {return value == 0 ? '啟用' : '停用';}},{field: 'type',title: '資源類別',width: '5%',hidden: false,formatter: function (value, row, index) {return value == 0 ? '目錄' : value == 1 ? '菜單' : '按鈕';}},]],//對返回的數(shù)據(jù)進(jìn)行處理,便于顯示樹形結(jié)構(gòu)loadFilter: function (resultData) {return resultData.data;},//設(shè)置選中事件，清除之前的行選擇onClickRow: function (row) {$("#menuTreegrid").treegrid("unselectAll");$("#menuTreegrid").treegrid("selectRow",row.menuId);}, }); 復(fù)制代碼

數(shù)據(jù)庫結(jié)構(gòu)：

CREATE TABLE `sys_menu` (`menu_id` bigint(20) NOT NULL AUTO_INCREMENT,`parent_id` bigint(20) DEFAULT NULL COMMENT '父菜單ID，一級菜單為0',`name` varchar(50) DEFAULT NULL COMMENT '菜單名稱',`description` varchar(255) DEFAULT NULL COMMENT '描述',`url` varchar(200) DEFAULT NULL COMMENT '菜單URL',`perms` varchar(500) DEFAULT NULL COMMENT '授權(quán)(多個用逗號分隔，如：user:list,user:create)',`type` int(11) DEFAULT NULL COMMENT '類型 0：目錄 1：菜單 2：按鈕',`icon` varchar(50) DEFAULT NULL COMMENT '菜單圖標(biāo)',`order_num` int(11) DEFAULT NULL COMMENT '排序',`create_by` varchar(64) DEFAULT NULL COMMENT '創(chuàng)建人',`create_time` bigint(50) DEFAULT NULL COMMENT '創(chuàng)建時間',`update_by` varchar(64) DEFAULT NULL COMMENT '修改人',`update_time` bigint(50) DEFAULT NULL COMMENT '修改時間',`del_flag` tinyint(4) DEFAULT '0' COMMENT '是否刪除 1:刪除、 0：正常',PRIMARY KEY (`menu_id`) ) ENGINE=InnoDB AUTO_INCREMENT=49 DEFAULT CHARSET=utf8 COMMENT='菜單管理'; INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('1', '0', '系統(tǒng)管理', '系統(tǒng)', NULL, NULL, '0', 'fa fa-cog', '0', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('2', '1', '員工管理', '管理員', '/user', NULL, '1', 'fa fa-user', '1', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('3', '1', '角色管理', '角色', '/role', NULL, '1', 'fa fa-user-secret', '2', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('4', '1', '菜單管理', '菜單', '/menu', NULL, '1', 'fa fa-th-list', '3', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('15', '2', '查看', NULL, NULL, 'sys:user:list,sys:user:info', '2', NULL, '0', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('16', '2', '新增', NULL, NULL, 'sys:user:save,sys:role:select', '2', NULL, '0', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('17', '2', '修改', NULL, NULL, 'sys:user:update,sys:role:select', '2', NULL, '0', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('18', '2', '刪除', NULL, NULL, 'sys:user:delete', '2', NULL, '0', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('19', '3', '查看', NULL, NULL, 'sys:role:list,sys:role:info', '2', NULL, '0', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('20', '3', '新增', NULL, NULL, 'sys:role:save,sys:menu:perms', '2', NULL, '0', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('21', '3', '修改', NULL, NULL, 'sys:role:update,sys:menu:perms', '2', NULL, '0', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('22', '3', '刪除', NULL, NULL, 'sys:role:delete', '2', NULL, '0', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('23', '4', '查看', NULL, NULL, 'sys:menu:list,sys:menu:info', '2', NULL, '0', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('24', '4', '新增', NULL, NULL, 'sys:menu:save,sys:menu:select', '2', NULL, '0', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('25', '4', '修改', NULL, NULL, 'sys:menu:update,sys:menu:select', '2', NULL, '0', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('26', '4', '刪除', NULL, NULL, 'sys:menu:delete', '2', NULL, '0', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('31', '1', '部門管理', '部門', '/dept', NULL, '1', 'fa fa-file-code-o', '1', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('32', '31', '查看', NULL, NULL, 'sys:dept:list,sys:dept:info', '2', NULL, '0', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('33', '31', '新增', NULL, NULL, 'sys:dept:save,sys:dept:select', '2', NULL, '0', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('34', '31', '修改', NULL, NULL, 'sys:dept:update,sys:dept:select', '2', NULL, '0', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('35', '31', '刪除', NULL, NULL, 'sys:dept:delete', '2', NULL, '0', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('41', '0', '商品管理', '商品', NULL, NULL, '0', 'fa fa-cog', '0', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('42', '41', '商品1', NULL, 'modules/sys/user.html', NULL, '1', 'fa fa-user', '1', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('43', '41', '商品2', NULL, 'modules/sys/user.html', NULL, '1', 'fa fa-user', '1', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('44', '41', '商品3', NULL, 'modules/sys/user.html', NULL, '1', 'fa fa-user', '1', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('45', '0', '訂單管理', '交易', NULL, NULL, '0', 'fa fa-cog', '0', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('46', '0', '結(jié)算管理', '結(jié)算', NULL, NULL, '0', 'fa fa-cog', '0', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('47', '45', '訂單列表', NULL, 'modules/sys/user.html', NULL, '1', 'fa fa-user', '1', NULL, NULL, NULL, NULL, '0'); INSERT INTO `localdb`.`sys_menu` (`menu_id`, `parent_id`, `name`, `description`, `url`, `perms`, `type`, `icon`, `order_num`, `create_by`, `create_time`, `update_by`, `update_time`, `del_flag`) VALUES ('48', '46', '結(jié)算管理', NULL, 'modules/sys/user.html', NULL, '1', 'fa fa-user', '1', NULL, NULL, NULL, NULL, '0');復(fù)制代碼

Java后臺核心代碼：

public List<SysMenuEntity> queryToTreeList(){List<SysMenuEntity> menuList = sysMenuMapper.queryList();if (menuList != null && menuList.size() > 0) {ArrayList child = new ArrayList<SysMenuEntity>();child.addAll(menuList);Iterator<SysMenuEntity> dept = menuList.iterator();while (dept.hasNext()){SysMenuEntity resource = dept.next();List<SysDeptEntity> childList = this.getChildList(resource.getMenuId(),child);if(resource.getParentId()!=0 && (childList == null || childList.size()==0) ){dept.remove();}else{resource.setChildren(childList);}}}if (menuList != null && menuList.size() > 0) {Iterator<SysMenuEntity> menu = menuList.iterator();while (menu.hasNext()){SysMenuEntity resource = menu.next();if(resource.getParentId()!=0){menu.remove();}}}return menuList; } List<SysMenuEntity> getChildList(Long parentId,List<SysMenuEntity> deptList){List<SysMenuEntity> childList =new ArrayList<>();if (deptList != null && deptList.size() > 0) {for (SysMenuEntity resource : deptList) {if(parentId.equals(resource.getParentId())){childList.add(resource);}}}return childList; } 復(fù)制代碼

轉(zhuǎn)載于:https://juejin.im/post/5cea0c3de51d4556d86c7a38

創(chuàng)作挑戰(zhàn)賽新人創(chuàng)作獎勵來咯，堅持創(chuàng)作打卡瓜分現(xiàn)金大獎

總結(jié)

以上是生活随笔為你收集整理的EasyUI之Tree树形结构(一)的全部內(nèi)容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網(wǎng)站內(nèi)容還不錯，歡迎將生活随笔推薦給好友。