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| 1ac2bc | 1 | /** |
| 懒 | 2 | * Copyright 2018-2020 stylefeng & fengshuonan (https://gitee.com/stylefeng) |
| 3 | * <p> | |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 5 | * you may not use this file except in compliance with the License. | |
| 6 | * You may obtain a copy of the License at | |
| 7 | * <p> | |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 9 | * <p> | |
| 10 | * Unless required by applicable law or agreed to in writing, software | |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 13 | * See the License for the specific language governing permissions and | |
| 14 | * limitations under the License. | |
| 15 | */ | |
| 16 | package cn.stylefeng.guns.base.pojo.node; | |
| 17 | ||
| 18 | import cn.stylefeng.roses.kernel.model.enums.YesOrNotEnum; | |
| 19 | import lombok.Data; | |
| 20 | ||
| 21 | import java.io.Serializable; | |
| 22 | import java.util.*; | |
| 23 | ||
| 24 | /** | |
| 25 | * @author fengshuonan | |
| 26 | * @Description 菜单的节点 | |
| 27 | * @date 2016年12月6日 上午11:34:17 | |
| 28 | */ | |
| 29 | @Data | |
| 30 | public class MenuNode implements Comparable, Serializable { | |
| 31 | ||
| 32 | /** | |
| 33 | * 节点id | |
| 34 | */ | |
| 35 | private Long id; | |
| 36 | ||
| 37 | public Long getId() { | |
| 38 | return id; | |
| 39 | } | |
| 40 | ||
| 41 | public void setId(Long id) { | |
| 42 | this.id = id; | |
| 43 | } | |
| 44 | ||
| 45 | public String getCode() { | |
| 46 | return code; | |
| 47 | } | |
| 48 | ||
| 49 | public void setCode(String code) { | |
| 50 | this.code = code; | |
| 51 | } | |
| 52 | ||
| 53 | public Long getParentId() { | |
| 54 | return parentId; | |
| 55 | } | |
| 56 | ||
| 57 | public void setParentId(Long parentId) { | |
| 58 | this.parentId = parentId; | |
| 59 | } | |
| 60 | ||
| 61 | public String getName() { | |
| 62 | return name; | |
| 63 | } | |
| 64 | ||
| 65 | public void setName(String name) { | |
| 66 | this.name = name; | |
| 67 | } | |
| 68 | ||
| 69 | public Integer getLevels() { | |
| 70 | return levels; | |
| 71 | } | |
| 72 | ||
| 73 | public void setLevels(Integer levels) { | |
| 74 | this.levels = levels; | |
| 75 | } | |
| 76 | ||
| 77 | public String getIsmenu() { | |
| 78 | return ismenu; | |
| 79 | } | |
| 80 | ||
| 81 | public void setIsmenu(String ismenu) { | |
| 82 | this.ismenu = ismenu; | |
| 83 | } | |
| 84 | ||
| 85 | public Integer getNum() { | |
| 86 | return num; | |
| 87 | } | |
| 88 | ||
| 89 | public void setNum(Integer num) { | |
| 90 | this.num = num; | |
| 91 | } | |
| 92 | ||
| 93 | public String getUrl() { | |
| 94 | return url; | |
| 95 | } | |
| 96 | ||
| 97 | public void setUrl(String url) { | |
| 98 | this.url = url; | |
| 99 | } | |
| 100 | ||
| 101 | public String getIcon() { | |
| 102 | return icon; | |
| 103 | } | |
| 104 | ||
| 105 | public void setIcon(String icon) { | |
| 106 | this.icon = icon; | |
| 107 | } | |
| 108 | ||
| 109 | public String getSystemType() { | |
| 110 | return systemType; | |
| 111 | } | |
| 112 | ||
| 113 | public void setSystemType(String systemType) { | |
| 114 | this.systemType = systemType; | |
| 115 | } | |
| 116 | ||
| 117 | public List<MenuNode> getChildren() { | |
| 118 | return children; | |
| 119 | } | |
| 120 | ||
| 121 | public void setChildren(List<MenuNode> children) { | |
| 122 | this.children = children; | |
| 123 | } | |
| 124 | ||
| 125 | public List<MenuNode> getLinkedList() { | |
| 126 | return linkedList; | |
| 127 | } | |
| 128 | ||
| 129 | public void setLinkedList(List<MenuNode> linkedList) { | |
| 130 | this.linkedList = linkedList; | |
| 131 | } | |
| 132 | ||
| 133 | /** | |
| 134 | * 菜单编码 | |
| 135 | */ | |
| 136 | private String code; | |
| 137 | ||
| 138 | /** | |
| 139 | * 父节点 | |
| 140 | */ | |
| 141 | private Long parentId; | |
| 142 | ||
| 143 | /** | |
| 144 | * 节点名称 | |
| 145 | */ | |
| 146 | private String name; | |
| 147 | ||
| 148 | /** | |
| 149 | * 按钮级别 | |
| 150 | */ | |
| 151 | private Integer levels; | |
| 152 | ||
| 153 | /** | |
| 154 | * 按钮级别(Y N) | |
| 155 | */ | |
| 156 | private String ismenu; | |
| 157 | ||
| 158 | /** | |
| 159 | * 按钮的排序 | |
| 160 | */ | |
| 161 | private Integer num; | |
| 162 | ||
| 163 | /** | |
| 164 | * 节点的url | |
| 165 | */ | |
| 166 | private String url; | |
| 167 | ||
| 168 | /** | |
| 169 | * 节点图标 | |
| 170 | */ | |
| 171 | private String icon; | |
| 172 | ||
| 173 | /** | |
| 174 | * 系统类型 | |
| 175 | */ | |
| 176 | private String systemType; | |
| 177 | ||
| 178 | /** | |
| 179 | * 子节点的集合 | |
| 180 | */ | |
| 181 | private List<MenuNode> children; | |
| 182 | ||
| 183 | /** | |
| 184 | * 查询子节点时候的临时集合 | |
| 185 | */ | |
| 186 | private List<MenuNode> linkedList = new ArrayList<>(); | |
| 187 | ||
| 188 | public MenuNode() { | |
| 189 | super(); | |
| 190 | } | |
| 191 | ||
| 192 | public MenuNode(Long id, Long parentId) { | |
| 193 | super(); | |
| 194 | this.id = id; | |
| 195 | this.parentId = parentId; | |
| 196 | } | |
| 197 | ||
| 198 | /** | |
| 199 | * 重写排序比较接口，首先根据等级排序，然后更具排序字段排序 | |
| 200 | * | |
| 201 | * @param o | |
| 202 | * @return | |
| 203 | */ | |
| 204 | @Override | |
| 205 | public int compareTo(Object o) { | |
| 206 | MenuNode menuNode = (MenuNode) o; | |
| 207 | Integer num = menuNode.getNum(); | |
| 208 | Integer levels = menuNode.getLevels(); | |
| 209 | if (num == null) { | |
| 210 | num = 0; | |
| 211 | } | |
| 212 | if (levels == null) { | |
| 213 | levels = 0; | |
| 214 | } | |
| 215 | if (this.levels.compareTo(levels) == 0) { | |
| 216 | return this.num.compareTo(num); | |
| 217 | } else { | |
| 218 | return this.levels.compareTo(levels); | |
| 219 | } | |
| 220 | ||
| 221 | } | |
| 222 | ||
| 223 | /** | |
| 224 | * 构建页面菜单列表 | |
| 225 | */ | |
| 226 | public static List<MenuNode> buildTitle(List<MenuNode> nodes) { | |
| 227 | if (nodes.size() <= 0) { | |
| 228 | return nodes; | |
| 229 | } | |
| 230 | ||
| 231 | //剔除非菜单 | |
| 232 | nodes.removeIf(node -> !node.getIsmenu().equals(YesOrNotEnum.Y.name())); | |
| 233 | ||
| 234 | //对菜单排序，返回列表按菜单等级，序号的排序方式排列 | |
| 235 | Collections.sort(nodes); | |
| 236 | return mergeList(nodes, nodes.get(nodes.size() - 1).getLevels(), null); | |
| 237 | } | |
| 238 | ||
| 239 | /** | |
| 240 | * 递归合并数组为子数组，最后返回第一层 | |
| 241 | * | |
| 242 | * @param menuList | |
| 243 | * @param listMap | |
| 244 | * @return | |
| 245 | */ | |
| 246 | private static List<MenuNode> mergeList(List<MenuNode> menuList, int rank, Map<Long, List<MenuNode>> listMap) { | |
| 247 | //保存当次调用总共合并了多少元素 | |
| 248 | int n; | |
| 249 | //保存当次调用总共合并出来的list | |
| 250 | Map<Long, List<MenuNode>> currentMap = new HashMap<>(); | |
| 251 | //由于按等级从小到大排序，需要从后往前排序 | |
| 252 | //判断该节点是否属于当前循环的等级,不等于则跳出循环 | |
| 253 | for (n = menuList.size() - 1; n >= 0 && menuList.get(n).getLevels() == rank; n--) { | |
| 254 | //判断之前的调用是否有返回以该节点的id为key的map，有则设置为children列表。 | |
| 255 | if (listMap != null && listMap.get(menuList.get(n).getId()) != null) { | |
| 256 | menuList.get(n).setChildren(listMap.get(menuList.get(n).getId())); | |
| 257 | } | |
| 258 | if (menuList.get(n).getParentId() != null && menuList.get(n).getParentId() != 0) { | |
| 259 | //判断当前节点所属的pid是否已经创建了以该pid为key的键值对，没有则创建新的链表 | |
| 260 | currentMap.computeIfAbsent(menuList.get(n).getParentId(), k -> new LinkedList<>()); | |
| 261 | //将该节点插入到对应的list的头部 | |
| 262 | currentMap.get(menuList.get(n).getParentId()).add(0, menuList.get(n)); | |
| 263 | } | |
| 264 | } | |
| 265 | if (n < 0) { | |
| 266 | return menuList; | |
| 267 | } else { | |
| 268 | return mergeList(new ArrayList<>(menuList.subList(0, n + 1)), menuList.get(n).getLevels(), currentMap); | |
| 269 | } | |
| 270 | } | |
| 271 | ||
| 272 | ||
| 273 | } | |
