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苍穹外卖--公共字段自动填充功能实现

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xuxin
2025-11-10 15:48:13 +08:00
parent 5d81997761
commit 3257ae9b43
6 changed files with 112 additions and 14 deletions
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19
sky-server/src/main/java/com/sky/annotation/AutoFill.java Normal file
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@@ -0,0 +1,19 @@
package com.sky.annotation;
import com.sky.enumeration.OperationType;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* 公共字段填充注解（标记insert，update方法）
*/
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface AutoFill {
//用来判断当前是什么操作：insert update
OperationType value();
}

72
sky-server/src/main/java/com/sky/aspect/AutoFillAspect.java Normal file
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@@ -0,0 +1,72 @@
package com.sky.aspect;
import com.sky.annotation.AutoFill;
import com.sky.constant.AutoFillConstant;
import com.sky.context.BaseContext;
import com.sky.enumeration.OperationType;
import lombok.extern.slf4j.Slf4j;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.Signature;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.aspectj.lang.reflect.MethodSignature;
import org.springframework.stereotype.Component;
import java.lang.reflect.Method;
import java.time.LocalDateTime;
@Component
@Aspect
@Slf4j
public class AutoFillAspect {
//切入点
@Pointcut("execution(* com.sky.mapper.*.*(..))&& @annotation(com.sky.annotation.AutoFill)")
public void autoFillPointCut(){}
//通知方法
@Before("autoFillPointCut()")
public void autoFill(JoinPoint joinPoint){
log.info("开始进行公共字段自动填充....");
//获取连接点方法对象
MethodSignature signature = (MethodSignature) joinPoint.getSignature();
Method method = signature.getMethod();//获取反射中的方法对象（update()、insert()等）
//获取方法的注解
AutoFill annotation = method.getAnnotation(AutoFill.class);
//判断当前注解的操作类型？？如果是insert操作4个公共字段，如果是update操作2个公共字段
OperationType type = annotation.value();
//根据连接点获取方法的参数列表
Object[] args = joinPoint.getArgs();
//获取自定义实体类：Employee，category，Dish，Order.....等
Object arg = args[0];
//进行公共字段赋值，赋什么值？？？
LocalDateTime now = LocalDateTime.now();
Long currentId = BaseContext.getCurrentId();
try {
if (type == OperationType.INSERT) {
//insert
//使用反射操作对应的set方法进行赋值
// Method setCreateTime = arg.getClass().getDeclaredMethod("setCreateTime", LocalDateTime.class);
Method setCreateTime = arg.getClass().getDeclaredMethod(AutoFillConstant.SET_CREATE_TIME, LocalDateTime.class);
setCreateTime.invoke(arg,now);
Method setCreateUser = arg.getClass().getDeclaredMethod(AutoFillConstant.SET_CREATE_USER, Long.class);
setCreateUser.invoke(arg,currentId);
Method setUpdateTime = arg.getClass().getDeclaredMethod(AutoFillConstant.SET_UPDATE_TIME, LocalDateTime.class);
setUpdateTime.invoke(arg,now);
Method setUpdateUser = arg.getClass().getDeclaredMethod(AutoFillConstant.SET_UPDATE_USER, Long.class);
setUpdateUser.invoke(arg,currentId);
} else {
//update
Method setUpdateTime = arg.getClass().getDeclaredMethod(AutoFillConstant.SET_UPDATE_TIME, LocalDateTime.class);
setUpdateTime.invoke(arg,now);
Method setUpdateUser = arg.getClass().getDeclaredMethod(AutoFillConstant.SET_UPDATE_USER, Long.class);
setUpdateUser.invoke(arg,currentId);
}
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}

3
sky-server/src/main/java/com/sky/mapper/CategoryMapper.java
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@@ -1,6 +1,7 @@
package com.sky.mapper;
import com.github.pagehelper.Page;
import com.sky.annotation.AutoFill;
import com.sky.enumeration.OperationType;
import com.sky.dto.CategoryPageQueryDTO;
import com.sky.entity.Category;
@@ -16,6 +17,7 @@ public interface CategoryMapper {
* 插入数据
* @param category
*/
@AutoFill(OperationType.INSERT)
@Insert("insert into category(type, name, sort, status, create_time, update_time, create_user, update_user)" +
" VALUES" +
" (#{type}, #{name}, #{sort}, #{status}, #{createTime}, #{updateTime}, #{createUser}, #{updateUser})")
@@ -39,6 +41,7 @@ public interface CategoryMapper {
* 根据id修改分类
* @param category
*/
@AutoFill(OperationType.UPDATE)
void update(Category category);
/**

4
sky-server/src/main/java/com/sky/mapper/EmployeeMapper.java
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@@ -1,8 +1,10 @@
package com.sky.mapper;
import com.github.pagehelper.Page;
import com.sky.annotation.AutoFill;
import com.sky.dto.EmployeePageQueryDTO;
import com.sky.entity.Employee;
import com.sky.enumeration.OperationType;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
@@ -22,12 +24,14 @@ public interface EmployeeMapper {
* 新增员工
* @param employee
*/
@AutoFill(OperationType.INSERT)
@Insert("insert into employee (name, username, password, phone, sex, id_number, create_time, update_time, create_user, update_user) " +
"values (#{name},#{username},#{password},#{phone},#{sex},#{idNumber},#{createTime},#{updateTime},#{createUser},#{updateUser})")
void insert(Employee employee);
Page<Employee> pageQuery(EmployeePageQueryDTO employeePageQueryDTO);
@AutoFill(OperationType.UPDATE)
void update(Employee employee);
@Select("select * from employee where id = #{id}")

14
sky-server/src/main/java/com/sky/service/impl/CategoryServiceImpl.java
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@@ -48,10 +48,10 @@ public class CategoryServiceImpl implements CategoryService {
category.setStatus(StatusConstant.DISABLE);
//设置创建时间、修改时间、创建人、修改人
category.setCreateTime(LocalDateTime.now());
category.setUpdateTime(LocalDateTime.now());
category.setCreateUser(BaseContext.getCurrentId());
category.setUpdateUser(BaseContext.getCurrentId());
// category.setCreateTime(LocalDateTime.now());
// category.setUpdateTime(LocalDateTime.now());
// category.setCreateUser(BaseContext.getCurrentId());
// category.setUpdateUser(BaseContext.getCurrentId());
categoryMapper.insert(category);
}
@@ -83,7 +83,7 @@ public class CategoryServiceImpl implements CategoryService {
//查询当前分类是否关联了套餐，如果关联了就抛出业务异常
count = setmealMapper.countByCategoryId(id);
if(count > 0){
//当前分类下有菜品，不能删除
//当前分类下有套餐，不能删除
throw new DeletionNotAllowedException(MessageConstant.CATEGORY_BE_RELATED_BY_SETMEAL);
}
@@ -100,8 +100,8 @@ public class CategoryServiceImpl implements CategoryService {
BeanUtils.copyProperties(categoryDTO,category);
//设置修改时间、修改人
category.setUpdateTime(LocalDateTime.now());
category.setUpdateUser(BaseContext.getCurrentId());
// category.setUpdateTime(LocalDateTime.now());
// category.setUpdateUser(BaseContext.getCurrentId());
categoryMapper.update(category);
}

14
sky-server/src/main/java/com/sky/service/impl/EmployeeServiceImpl.java
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@@ -80,14 +80,14 @@ public class EmployeeServiceImpl implements EmployeeService {
//2.设置账号的状态，默认正常状态：1,0表示禁用
employee.setStatus(StatusConstant.ENABLE);
//3.设置创建时间和更新时间
employee.setCreateTime(LocalDateTime.now());
employee.setUpdateTime(LocalDateTime.now());
// employee.setCreateTime(LocalDateTime.now());
// employee.setUpdateTime(LocalDateTime.now());
//4.设置当前记录创建人和修改人的id
//todo 后期要修改为当前登录用户的id
//后期要修改为当前登录用户的id
//取出拦截器中保存的登录员工ID，作为创建者和更新者ID数据
Long empId = BaseContext.getCurrentId();
employee.setCreateUser(empId);
employee.setUpdateUser(empId);
// employee.setCreateUser(empId);
// employee.setUpdateUser(empId);
//添加默认密码
employee.setPassword(DigestUtils.md5DigestAsHex(PasswordConstant.DEFAULT_PASSWORD.getBytes()));
@@ -145,8 +145,8 @@ public class EmployeeServiceImpl implements EmployeeService {
//属性拷贝
BeanUtils.copyProperties(employeeDTO,employee);
//补充属性
employee.setUpdateUser(BaseContext.getCurrentId());
employee.setUpdateTime(LocalDateTime.now());
// employee.setUpdateUser(BaseContext.getCurrentId());
// employee.setUpdateTime(LocalDateTime.now());
employeeMapper.update(employee);
}