资讯管理

src/main/java/com/teaching/backend/controller/cms/CmsCategoryController.java

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+package com.teaching.backend.controller.cms;
+
+
+import com.teaching.backend.common.BaseResponse;
+import com.teaching.backend.model.entity.cms.CmsCategory;
+import com.teaching.backend.service.impl.cms.CmsCategoryServiceImpl;
+import io.swagger.annotations.Api;
+import org.springframework.web.bind.annotation.*;
+
+import javax.annotation.Resource;
+import java.util.List;
+
+/**
+ * <p>
+ *  前端控制器
+ * </p>
+ *
+ * @author author
+ * @since 2024-08-13
+ */
+@Api(tags = "栏目管理")
+@RestController
+@RequestMapping("/api/cms-category")
+public class CmsCategoryController {
+
+    @Resource
+    private CmsCategoryServiceImpl cmsCategoryService;
+    /**
+     * 添加栏目
+     * @param cmsCategory
+     * @return
+     */
+    @PostMapping("/add")
+    public BaseResponse<String> addCategory(CmsCategory cmsCategory){
+        return cmsCategoryService.addCategory(cmsCategory);
+    }
+    /**'
+     * 删除栏目
+     * @param ids
+     * @return
+     */
+    @DeleteMapping("/delete")
+    public BaseResponse<String> deleteCategory(@RequestParam List<Integer> ids){
+        return cmsCategoryService.deleteCategory(ids);
+    }
+    /**
+     * 编辑栏目
+     * @param cmsCategory
+     * @return
+     */
+    @PutMapping("/edit")
+    public BaseResponse<String> editCategory(CmsCategory cmsCategory){
+        return cmsCategoryService.editCategory(cmsCategory);
+    }
+    /**
+     * 查询栏目
+     * @return
+     */
+    @GetMapping("/query")
+    public BaseResponse<List<?>> queryCategory(){
+        return cmsCategoryService.queryCategory();
+    }
+
+}

src/main/java/com/teaching/backend/controller/cms/CmsEssayController.java

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+package com.teaching.backend.controller.cms;
+
+
+import com.teaching.backend.common.BaseResponse;
+import com.teaching.backend.model.entity.cms.CmsCategory;
+import com.teaching.backend.model.entity.cms.CmsEssay;
+import com.teaching.backend.service.impl.cms.CmsEssayServiceImpl;
+import io.swagger.annotations.Api;
+import org.springframework.web.bind.annotation.*;
+
+import javax.annotation.Resource;
+import java.util.List;
+
+/**
+ * <p>
+ *  前端控制器
+ * </p>
+ *
+ * @author author
+ * @since 2024-08-13
+ */
+@Api(tags = "文章管理")
+@RestController
+@RequestMapping("/api/cms-essay")
+public class CmsEssayController {
+
+    @Resource
+    private CmsEssayServiceImpl cmsEssayService;
+
+    /**
+     * 添加文章
+     * @param cmsEssay
+     * @return
+     */
+    @PostMapping("/add")
+    public BaseResponse<String> addEssay(CmsEssay cmsEssay){
+        return cmsEssayService.addEssay(cmsEssay);
+    }
+
+    /**
+     * 删除文章
+     * @param ids
+     * @return
+     */
+    @DeleteMapping("/delete")
+    public BaseResponse<String> deleteEssay(@RequestParam List<Integer> ids){
+        return cmsEssayService.deleteEssay(ids);
+    }
+
+    /**
+     * 编辑文章
+     * @param cmsEssay
+     * @return
+     */
+    @PutMapping("/edit")
+    public BaseResponse<String> editEssay(CmsEssay cmsEssay){
+        return cmsEssayService.editEssay(cmsEssay);
+    }
+
+    /**
+     * 查询文章
+     * @param category_id
+     * @return
+     */
+    @GetMapping("/query")
+    public BaseResponse<List<?>> queryEssay(Integer category_id){
+        return cmsEssayService.queryEssay(category_id);
+    }
+
+}

src/main/java/com/teaching/backend/mapper/cms/CmsCategoryMapper.java

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+package com.teaching.backend.mapper.cms;
+
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.teaching.backend.model.entity.cms.CmsCategory;
+
+/**
+ * <p>
+ *  Mapper 接口
+ * </p>
+ *
+ * @author author
+ * @since 2024-08-13
+ */
+public interface CmsCategoryMapper extends BaseMapper<CmsCategory> {
+
+}

src/main/java/com/teaching/backend/mapper/cms/CmsEssayMapper.java

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+package com.teaching.backend.mapper.cms;
+
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.teaching.backend.model.entity.cms.CmsEssay;
+
+/**
+ * <p>
+ *  Mapper 接口
+ * </p>
+ *
+ * @author author
+ * @since 2024-08-13
+ */
+public interface CmsEssayMapper extends BaseMapper<CmsEssay> {
+
+}

src/main/java/com/teaching/backend/model/entity/cms/CmsCategory.java

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+package com.teaching.backend.model.entity.cms;
+
+import com.baomidou.mybatisplus.annotation.*;
+
+import java.time.LocalDateTime;
+import java.io.Serializable;
+import java.util.List;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.experimental.Accessors;
+import org.springframework.format.annotation.DateTimeFormat;
+
+/**
+ * <p>
+ *
+ * </p>
+ *
+ * @author author
+ * @since 2024-08-13
+ */
+@Data
+@EqualsAndHashCode(callSuper = false)
+@Accessors(chain = true)
+@TableName("cms_category")
+@ApiModel(value="CmsCategory对象", description="")
+public class CmsCategory implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @ApiModelProperty(value = "栏目id")
+    @TableId(value = "id", type = IdType.AUTO)
+    private Integer id;
+
+    @ApiModelProperty(value = "栏目名称")
+    private String categoryName;
+
+    @ApiModelProperty(value = "创建该栏目的用户id")
+    private String creatorId;
+
+    @ApiModelProperty(value = "栏目父id(若为一级栏目则父id等于栏目id)")
+    private Integer categoryPid;
+
+    @ApiModelProperty(value = "创建时间")
+    @TableField(fill = FieldFill.INSERT)
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss",timezone = "Asia/Shanghai")
+    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    private LocalDateTime createTime;
+
+    @ApiModelProperty(value = "更新时间")
+    @TableField(fill = FieldFill.INSERT_UPDATE)
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss",timezone = "Asia/Shanghai")
+    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    private LocalDateTime updateTime;
+
+    @TableField(exist = false)
+    private List<CmsCategory> childrenNode;
+}

src/main/java/com/teaching/backend/model/entity/cms/CmsEssay.java

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+package com.teaching.backend.model.entity.cms;
+
+import com.baomidou.mybatisplus.annotation.*;
+
+import java.time.LocalDateTime;
+import java.io.Serializable;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import io.swagger.annotations.ApiModel;
+import io.swagger.annotations.ApiModelProperty;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.experimental.Accessors;
+import org.springframework.format.annotation.DateTimeFormat;
+
+/**
+ * <p>
+ *
+ * </p>
+ *
+ * @author author
+ * @since 2024-08-13
+ */
+@Data
+@EqualsAndHashCode(callSuper = false)
+@Accessors(chain = true)
+@TableName("cms_essay")
+@ApiModel(value="CmsEssay对象", description="")
+public class CmsEssay implements Serializable {
+
+    private static final long serialVersionUID = 1L;
+
+    @ApiModelProperty(value = "文章id")
+    @TableId(value = "id", type = IdType.AUTO)
+    private Integer id;
+
+    @ApiModelProperty(value = "文章标题")
+    private String title;
+
+    @ApiModelProperty(value = "标题图片")
+    private String pic;
+
+    @ApiModelProperty(value = "文章内容")
+    private String content;
+
+    @ApiModelProperty(value = "发布时间")
+    private LocalDateTime publishTime;
+
+    @ApiModelProperty(value = "浏览次数")
+    private Integer readingNumber;
+
+    @ApiModelProperty(value = "评论条数")
+    private Integer commentCount;
+
+    @ApiModelProperty(value = "所属栏目id")
+    private Integer categoryId;
+
+    @ApiModelProperty(value = "发布文章的用户id")
+    private Integer userId;
+
+    @ApiModelProperty(value = "文章文件")
+    private String file;
+
+    @ApiModelProperty(value = "发布状态: 1: 已发布; 2未发布")
+    private Integer status;
+
+
+    @ApiModelProperty(value = "更新时间")
+    @TableField(fill = FieldFill.INSERT_UPDATE)
+    @JsonFormat(pattern = "yyyy-MM-dd HH:mm:ss",timezone = "Asia/Shanghai")
+    @DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
+    private LocalDateTime updateTime;
+
+
+}

src/main/java/com/teaching/backend/service/cms/ICmsCategoryService.java

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+package com.teaching.backend.service.cms;
+
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.teaching.backend.common.BaseResponse;
+import com.teaching.backend.model.entity.cms.CmsCategory;
+
+import java.util.List;
+
+/**
+ * <p>
+ *  服务类
+ * </p>
+ *
+ * @author author
+ * @since 2024-08-13
+ */
+public interface ICmsCategoryService extends IService<CmsCategory> {
+
+    BaseResponse<String> addCategory(CmsCategory cmsCategory);
+
+    BaseResponse<String> deleteCategory(List<Integer> ids);
+
+    BaseResponse<String> editCategory(CmsCategory cmsCategory);
+
+    BaseResponse<List<?>> queryCategory();
+}

src/main/java/com/teaching/backend/service/cms/ICmsEssayService.java

@@ -0,0 +1,27 @@
+package com.teaching.backend.service.cms;
+
+
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.teaching.backend.common.BaseResponse;
+import com.teaching.backend.model.entity.cms.CmsEssay;
+
+import java.util.List;
+
+/**
+ * <p>
+ *  服务类
+ * </p>
+ *
+ * @author author
+ * @since 2024-08-13
+ */
+public interface ICmsEssayService extends IService<CmsEssay> {
+
+    BaseResponse<String> addEssay(CmsEssay cmsEssay);
+
+    BaseResponse<String> deleteEssay(List<Integer> ids);
+
+    BaseResponse<String> editEssay(CmsEssay cmsEssay);
+
+    BaseResponse<List<?>> queryEssay(Integer category_id);
+}

src/main/java/com/teaching/backend/service/impl/cms/CmsCategoryServiceImpl.java

@@ -0,0 +1,72 @@
+package com.teaching.backend.service.impl.cms;
+
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.teaching.backend.common.BaseResponse;
+import com.teaching.backend.common.ResultUtils;
+import com.teaching.backend.mapper.cms.CmsCategoryMapper;
+import com.teaching.backend.model.entity.cms.CmsCategory;
+import com.teaching.backend.service.cms.ICmsCategoryService;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+/**
+ * <p>
+ *  服务实现类
+ * </p>
+ *
+ * @author author
+ * @since 2024-08-13
+ */
+@Service
+public class CmsCategoryServiceImpl extends ServiceImpl<CmsCategoryMapper, CmsCategory> implements ICmsCategoryService {
+
+    /**
+     * 添加栏目
+     * @param cmsCategory
+     * @return
+     */
+    @Override
+    public BaseResponse<String> addCategory(CmsCategory cmsCategory) {
+        save(cmsCategory);
+        return ResultUtils.success("添加成功");
+    }
+
+    /**'
+     * 删除栏目
+     * @param ids
+     * @return
+     */
+    @Override
+    public BaseResponse<String> deleteCategory(List<Integer> ids) {
+        removeByIds(ids);
+        return ResultUtils.success("删除成功");
+    }
+
+    /**
+     * 编辑栏目
+     * @param cmsCategory
+     * @return
+     */
+    @Override
+    public BaseResponse<String> editCategory(CmsCategory cmsCategory) {
+        updateById(cmsCategory);
+        return ResultUtils.success("编辑成功!");
+    }
+
+    /**
+     * 查询栏目
+     * @return
+     */
+    @Override
+    public BaseResponse<List<?>> queryCategory() {
+        List<CmsCategory> categoryPid = query().eq("category_pid", 0).list();
+        for (int i = 0; i < categoryPid.size(); i++) {
+            //查孩子
+            categoryPid.get(i).setChildrenNode(query().eq("category_pid", categoryPid.get(i).getId()).list());
+        }
+        return ResultUtils.success(categoryPid);
+    }
+
+}

src/main/java/com/teaching/backend/service/impl/cms/CmsEssayServiceImpl.java

@@ -0,0 +1,48 @@
+package com.teaching.backend.service.impl.cms;
+
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.teaching.backend.common.BaseResponse;
+import com.teaching.backend.common.ResultUtils;
+import com.teaching.backend.mapper.cms.CmsEssayMapper;
+import com.teaching.backend.model.entity.cms.CmsEssay;
+import com.teaching.backend.service.cms.ICmsEssayService;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+/**
+ * <p>
+ *  服务实现类
+ * </p>
+ *
+ * @author author
+ * @since 2024-08-13
+ */
+@Service
+public class CmsEssayServiceImpl extends ServiceImpl<CmsEssayMapper, CmsEssay> implements ICmsEssayService {
+
+    @Override
+    public BaseResponse<String> addEssay(CmsEssay cmsEssay) {
+        save(cmsEssay);
+        return ResultUtils.success("添加成功");
+    }
+
+    @Override
+    public BaseResponse<String> deleteEssay(List<Integer> ids) {
+        removeByIds(ids);
+        return ResultUtils.success("删除成功");
+    }
+
+    @Override
+    public BaseResponse<String> editEssay(CmsEssay cmsEssay) {
+        updateById(cmsEssay);
+        return ResultUtils.success("编辑成功!");
+    }
+
+    @Override
+    public BaseResponse<List<?>> queryEssay(Integer category_id) {
+        List<CmsEssay> list = query().eq("category_id", category_id).list();
+        return ResultUtils.success(list);
+    }
+}

src/main/java/com/teaching/backend/utils/MyMetaObjectHandler.java

@@ -0,0 +1,26 @@
+package com.teaching.backend.utils;
+
+import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
+import org.apache.ibatis.reflection.MetaObject;
+import org.springframework.stereotype.Component;
+
+import java.time.LocalDateTime;
+import java.util.Date;
+
+/**
+ * 自动填充时间
+ */
+@Component
+public class MyMetaObjectHandler implements MetaObjectHandler {
+    @Override
+    public void insertFill(MetaObject metaObject) {
+        this.setFieldValByName("createTime",  LocalDateTime.now(), metaObject);
+        this.setFieldValByName("updateTime", LocalDateTime.now(), metaObject);
+    }
+
+    @Override
+    public void updateFill(MetaObject metaObject) {
+        this.setFieldValByName("updateTime", LocalDateTime.now(), metaObject);
+
+    }
+}