公共下拉选/树

securitycontrol-commons/securitycontrol-commons-core/pom.xml

@@ -131,6 +131,10 @@
             <artifactId>hutool-all</artifactId>
             <version>5.3.2</version>
         </dependency>
+        <dependency>
+            <groupId>com.securitycontrol</groupId>
+            <artifactId>securitycontrol-commons-entity</artifactId>
+        </dependency>
 
     </dependencies>
 

securitycontrol-commons/securitycontrol-commons-core/src/main/java/com/securitycontrol/common/core/utils/TreeBuild.java

@@ -0,0 +1,81 @@
+package com.securitycontrol.common.core.utils;
+
+import com.securitycontrol.entity.system.vo.TreeNode;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Objects;
+
+/**
+ * @author：cwchen
+ * @date：2024-02-22-9:46
+ * @version：1.0
+ * @description：下拉树-工具类
+ */
+public class TreeBuild {
+    public List<TreeNode> nodeList = new ArrayList<>();
+
+    /**
+     *  构造方法
+     *  @param nodeList 将数据集合赋值给nodeList，即所有数据作为所有节点。
+     */
+    public TreeBuild(List<TreeNode> nodeList){
+        this.nodeList = nodeList;
+    }
+
+    /**
+     *   获取需构建的所有根节点（顶级节点） "0"
+     *   @return 所有根节点List集合
+     */
+    public List<TreeNode> getRootNode(){
+        // 保存所有根节点（所有根节点的数据）
+        List<TreeNode> rootNodeList = new ArrayList<>();
+        // treeNode：查询出的每一条数据（节点）
+        for (TreeNode treeNode : nodeList){
+            // 判断当前节点是否为根节点，此处注意：若parentId类型是String，则要采用equals()方法判断。
+            if (0 == treeNode.getParentId()) {
+                // 是，添加
+                rootNodeList.add(treeNode);
+            }
+        }
+        return rootNodeList;
+    }
+
+    /**
+     *  根据每一个顶级节点（根节点）进行构建树形结构
+     *  @return  构建整棵树
+     */
+    public List<TreeNode> buildTree(){
+        // treeNodes：保存一个顶级节点所构建出来的完整树形
+        List<TreeNode> treeNodes = new ArrayList<TreeNode>();
+        // getRootNode()：获取所有的根节点
+        for (TreeNode treeRootNode : getRootNode()) {
+            // 将顶级节点进行构建子树
+            treeRootNode = buildChildTree(treeRootNode);
+            // 完成一个顶级节点所构建的树形，增加进来
+            treeNodes.add(treeRootNode);
+        }
+        return treeNodes;
+    }
+
+    /**
+     *  递归-----构建子树形结构
+     *  @param  pNode 根节点（顶级节点）
+     *  @return 整棵树
+     */
+    public TreeNode buildChildTree(TreeNode pNode){
+        List<TreeNode> childTree = new ArrayList<TreeNode>();
+        // nodeList：所有节点集合（所有数据）
+        for (TreeNode treeNode : nodeList) {
+            // 判断当前节点的父节点ID是否等于根节点的ID，即当前节点为其下的子节点
+            if (Objects.equals(treeNode.getParentId(),pNode.getId())) {
+                // 再递归进行判断当前节点的情况，调用自身方法
+                childTree.add(buildChildTree(treeNode));
+            }
+        }
+        // for循环结束，即节点下没有任何节点，树形构建结束，设置树结果
+        pNode.setChildren(childTree);
+        return pNode;
+    }
+
+}

securitycontrol-commons/securitycontrol-commons-entity/src/main/java/com/securitycontrol/entity/system/dto/SelectDto.java

@@ -0,0 +1,17 @@
+package com.securitycontrol.entity.system.dto;
+
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+/**
+ * @author：cwchen
+ * @date：2024-02-22-9:42
+ * @version：1.0
+ * @description：下拉选-dto
+ */
+@Data
+public class SelectDto {
+
+    @ApiModelProperty(value = "参数")
+    private String param;
+}

securitycontrol-commons/securitycontrol-commons-entity/src/main/java/com/securitycontrol/entity/system/vo/SelectVo.java

@@ -0,0 +1,20 @@
+package com.securitycontrol.entity.system.vo;
+
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+/**
+ * @author：cwchen
+ * @date：2024-02-22-9:41
+ * @version：1.0
+ * @description：下拉选-vo
+ */
+@Data
+public class SelectVo {
+
+    @ApiModelProperty(value = "id")
+    private Integer id;
+
+    @ApiModelProperty(value = "名称")
+    private String name;
+}

securitycontrol-commons/securitycontrol-commons-entity/src/main/java/com/securitycontrol/entity/system/vo/TreeNode.java

@@ -0,0 +1,35 @@
+package com.securitycontrol.entity.system.vo;
+
+import com.fasterxml.jackson.annotation.JsonInclude;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @author：cwchen
+ * @date：2024-02-22-9:31
+ * @version：1.0
+ * @description：下拉树-vo
+ */
+@Data
+public class TreeNode {
+
+    @ApiModelProperty(value = "id")
+    private Integer id;
+
+    @ApiModelProperty(value = "名称")
+    private String label;
+
+    @ApiModelProperty(value = "父ID")
+    private Integer parentId;
+
+    @ApiModelProperty(value = "层级")
+    @JsonInclude(JsonInclude.Include.NON_EMPTY)
+    private String level;
+
+    @ApiModelProperty(value = "子节点")
+    @JsonInclude(JsonInclude.Include.NON_EMPTY)
+    private List<TreeNode> children = new ArrayList<>();
+}

securitycontrol-model/securitycontrol-system/src/main/java/com/securitycontrol/system/base/controller/SelectController.java

@@ -0,0 +1,33 @@
+package com.securitycontrol.system.base.controller;
+
+import com.securitycontrol.common.core.web.controller.BaseController;
+import com.securitycontrol.common.core.web.domain.AjaxResult;
+import com.securitycontrol.system.base.service.ISelectService;
+import io.swagger.annotations.ApiOperation;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.annotation.Resource;
+
+/**
+ * @author：cwchen
+ * @date：2024-02-21-18:25
+ * @version：1.0
+ * @description：公共下拉选/树
+ */
+@RestController
+@RequestMapping("/sys/select/")
+public class SelectController extends BaseController {
+
+    @Resource(name = "ISelectService")
+    private ISelectService service;
+
+    @ApiOperation(value = "组织机构树")
+    @PostMapping("getOrgTree")
+    public AjaxResult getOrgTree(){
+        return service.getOrgTree();
+    }
+
+}

securitycontrol-model/securitycontrol-system/src/main/java/com/securitycontrol/system/base/mapper/ISelectMapper.java

@@ -0,0 +1,25 @@
+package com.securitycontrol.system.base.mapper;
+
+import com.securitycontrol.entity.system.vo.TreeNode;
+import org.springframework.stereotype.Repository;
+
+import java.util.List;
+
+/**
+ * @author：cwchen
+ * @date：2024-02-22-9:37
+ * @version：1.0
+ * @description：公共下拉选/树-数据库访问层
+ */
+@Repository(value = "ISelectMapper")
+public interface ISelectMapper {
+
+    /**
+     * 组织机构树
+     * @return List<TreeNode>
+     * @description 组织机构树
+     * @author cwchen
+     * @date 2024/2/22 9:51
+     */
+    List<TreeNode> getOrgTree();
+}

securitycontrol-model/securitycontrol-system/src/main/java/com/securitycontrol/system/base/service/ISelectService.java

@@ -0,0 +1,21 @@
+package com.securitycontrol.system.base.service;
+
+import com.securitycontrol.common.core.web.domain.AjaxResult;
+
+/**
+ * @author：cwchen
+ * @date：2024-02-22-9:35
+ * @version：1.0
+ * @description：公共下拉选/树-业务层
+ */
+public interface ISelectService {
+
+    /**
+     * 组织机构树
+     * @return AjaxResult
+     * @description 组织机构树
+     * @author cwchen
+     * @date 2024/2/22 9:44
+     */
+    AjaxResult getOrgTree();
+}

securitycontrol-model/securitycontrol-system/src/main/java/com/securitycontrol/system/base/service/impl/ISelectServiceImpl.java

@@ -0,0 +1,46 @@
+package com.securitycontrol.system.base.service.impl;
+
+import com.securitycontrol.common.core.utils.TreeBuild;
+import com.securitycontrol.common.core.web.domain.AjaxResult;
+import com.securitycontrol.entity.system.vo.TreeNode;
+import com.securitycontrol.system.base.mapper.ISelectMapper;
+import com.securitycontrol.system.base.service.ISelectService;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.collections4.CollectionUtils;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @author：cwchen
+ * @date：2024-02-22-9:37
+ * @version：1.0
+ * @description：公共下拉选/树-业务层逻辑层
+ */
+@Service(value = "ISelectService")
+@Slf4j
+public class ISelectServiceImpl implements ISelectService {
+
+    @Resource(name = "ISelectMapper")
+    private ISelectMapper mapper;
+
+    @Override
+    public AjaxResult getOrgTree() {
+        List<TreeNode> groupList = new ArrayList<>();
+        List<TreeNode> list = new ArrayList<>();
+        try {
+            list = mapper.getOrgTree();
+            if (CollectionUtils.isNotEmpty(list)) {
+                // 创建树形结构（数据集合作为参数）
+                TreeBuild treeBuild = new TreeBuild(list);
+                // 原查询结果转换树形结构
+                groupList = treeBuild.buildTree();
+            }
+        } catch (Exception e) {
+            log.error("组织机构树-查询失败", e);
+        }
+        return AjaxResult.success(groupList);
+    }
+}

securitycontrol-model/securitycontrol-system/src/main/resources/mapper/base/SelectMapper.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
+<mapper namespace="com.securitycontrol.system.base.mapper.ISelectMapper">
+
+    <!--组织机构树-->
+    <select id="getOrgTree" resultType="com.securitycontrol.entity.system.vo.TreeNode">
+        SELECT dict_id AS id,
+               p_code AS parentId,
+               dict_value AS label
+        FROM sys_dict
+        WHERE del_flag = '0'
+    </select>
+</mapper>