fix

src/main/java/com/zzsn/knowbase/controller/KbKnowledgeProjectController.java

 package com.zzsn.knowbase.controller;
 
 
+import com.zzsn.knowbase.entity.KbKnowledgeProject;
+import com.zzsn.knowbase.service.KbKnowledgeProjectService;
+import com.zzsn.knowbase.vo.Result;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
-
 import org.springframework.web.bind.annotation.RestController;
 
 /**
@@ -16,5 +20,14 @@ import org.springframework.web.bind.annotation.RestController;
 @RestController
 @RequestMapping("/api/project")
 public class KbKnowledgeProjectController {
+    @Autowired
+    KbKnowledgeProjectService knowledgeProjectService;
 
+    /**
+     * 添加知识库
+     * */
+    @PostMapping("/add")
+    public Result<?> add(KbKnowledgeProject knowledgeProject){
+       return   knowledgeProjectService.add(knowledgeProject);
+    }
 }

src/main/java/com/zzsn/knowbase/mapper/KbAuthorizedUserMapper.java

@@ -2,6 +2,7 @@ package com.zzsn.knowbase.mapper;
 
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.zzsn.knowbase.entity.KbAuthorizedUser;
+import org.apache.ibatis.annotations.Mapper;
 
 /**
  * <p>
@@ -11,6 +12,7 @@ import com.zzsn.knowbase.entity.KbAuthorizedUser;
  * @author obcy
  * @since 2024-01-04
  */
+@Mapper
 public interface KbAuthorizedUserMapper extends BaseMapper<KbAuthorizedUser> {
 
 }

src/main/java/com/zzsn/knowbase/mapper/KbKnowledgeProjectMapper.java

@@ -2,6 +2,7 @@ package com.zzsn.knowbase.mapper;
 
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.zzsn.knowbase.entity.KbKnowledgeProject;
+import org.apache.ibatis.annotations.Mapper;
 
 /**
  * <p>
@@ -11,6 +12,7 @@ import com.zzsn.knowbase.entity.KbKnowledgeProject;
  * @author obcy
  * @since 2024-01-04
  */
+@Mapper
 public interface KbKnowledgeProjectMapper extends BaseMapper<KbKnowledgeProject> {
 
 }

src/main/java/com/zzsn/knowbase/mapper/KbPermissionsMapper.java

@@ -2,6 +2,7 @@ package com.zzsn.knowbase.mapper;
 
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.zzsn.knowbase.entity.KbPermissions;
+import org.apache.ibatis.annotations.Mapper;
 
 /**
  * <p>
@@ -11,6 +12,7 @@ import com.zzsn.knowbase.entity.KbPermissions;
  * @author obcy
  * @since 2024-01-04
  */
+@Mapper
 public interface KbPermissionsMapper extends BaseMapper<KbPermissions> {
 
 }

src/main/java/com/zzsn/knowbase/mapper/KbRoleMapper.java

@@ -2,6 +2,7 @@ package com.zzsn.knowbase.mapper;
 
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.zzsn.knowbase.entity.KbRole;
+import org.apache.ibatis.annotations.Mapper;
 
 /**
  * <p>
@@ -11,6 +12,7 @@ import com.zzsn.knowbase.entity.KbRole;
  * @author obcy
  * @since 2024-01-04
  */
+@Mapper
 public interface KbRoleMapper extends BaseMapper<KbRole> {
 
 }

src/main/java/com/zzsn/knowbase/mapper/KbRolePermissionMapMapper.java

@@ -2,6 +2,7 @@ package com.zzsn.knowbase.mapper;
 
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.zzsn.knowbase.entity.KbRolePermissionMap;
+import org.apache.ibatis.annotations.Mapper;
 
 /**
  * <p>
@@ -11,6 +12,7 @@ import com.zzsn.knowbase.entity.KbRolePermissionMap;
  * @author obcy
  * @since 2024-01-04
  */
+@Mapper
 public interface KbRolePermissionMapMapper extends BaseMapper<KbRolePermissionMap> {
 
 }

src/main/java/com/zzsn/knowbase/mapper/KbUserRoleMapMapper.java

@@ -2,6 +2,7 @@ package com.zzsn.knowbase.mapper;
 
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.zzsn.knowbase.entity.KbUserRoleMap;
+import org.apache.ibatis.annotations.Mapper;
 
 /**
  * <p>
@@ -11,6 +12,7 @@ import com.zzsn.knowbase.entity.KbUserRoleMap;
  * @author obcy
  * @since 2024-01-04
  */
+@Mapper
 public interface KbUserRoleMapMapper extends BaseMapper<KbUserRoleMap> {
 
 }

src/main/java/com/zzsn/knowbase/service/KbKnowledgeProjectService.java

@@ -2,6 +2,7 @@ package com.zzsn.knowbase.service;
 
 import com.baomidou.mybatisplus.extension.service.IService;
 import com.zzsn.knowbase.entity.KbKnowledgeProject;
+import com.zzsn.knowbase.vo.Result;
 
 /**
  * <p>
@@ -12,5 +13,13 @@ import com.zzsn.knowbase.entity.KbKnowledgeProject;
  * @since 2024-01-04
  */
 public interface KbKnowledgeProjectService extends IService<KbKnowledgeProject> {
+    /**根节点父ID的值*/
+    public static final String ROOT_PID_VALUE = "0";
 
+    /**树节点有子节点状态值*/
+    public static final String HASCHILD = "1";
+
+    /**树节点无子节点状态值*/
+    public static final String NOCHILD = "0";
+    Result<?> add(KbKnowledgeProject knowledgeProject);
 }

src/main/java/com/zzsn/knowbase/service/impl/KbKnowledgeProjectServiceImpl.java

@@ -5,6 +5,8 @@ import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.zzsn.knowbase.entity.KbKnowledgeProject;
 import com.zzsn.knowbase.mapper.KbKnowledgeProjectMapper;
 import com.zzsn.knowbase.service.KbKnowledgeProjectService;
+import com.zzsn.knowbase.vo.Result;
+import org.apache.commons.lang3.StringUtils;
 import org.springframework.stereotype.Service;
 
 /**
@@ -18,4 +20,27 @@ import org.springframework.stereotype.Service;
 @Service
 public class KbKnowledgeProjectServiceImpl extends ServiceImpl<KbKnowledgeProjectMapper, KbKnowledgeProject> implements KbKnowledgeProjectService {
 
+    @Override
+    public Result<?> add(KbKnowledgeProject knowledgeProject) {
+        if (StringUtils.isBlank(knowledgeProject.getPid())){
+            knowledgeProject.setPid(KbKnowledgeProjectService.ROOT_PID_VALUE);
+        }else {
+            KbKnowledgeProject parent = super.getById(knowledgeProject.getPid());
+            if(parent!=null && !KbKnowledgeProjectService.HASCHILD.equals(parent.getHasChild())){
+                parent.setHasChild(KbKnowledgeProjectService.HASCHILD);
+                super.updateById(parent);
+            }
+        }
+        super.save(knowledgeProject);
+        if (KbKnowledgeProjectService.ROOT_PID_VALUE.equals(knowledgeProject.getPid())){
+            knowledgeProject.setFullPath(knowledgeProject.getId().toString());
+        }else {
+            KbKnowledgeProject parent = super.getById(knowledgeProject.getPid());
+            knowledgeProject.setFullPath(parent.getFullPath() +","+ knowledgeProject.getId());
+        }
+        knowledgeProject.setHasChild(KbKnowledgeProjectService.NOCHILD);
+        super.updateById(knowledgeProject);
+        return Result.OK();
+
+    }
 }