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公共字段自动填充功能代码开发

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This commit is contained in:
zvv
2026-03-27 14:21:17 +08:00
parent 15240c2120
commit 91fe3304fa
6 changed files with 130 additions and 15 deletions
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21
sky-server/src/main/java/com/sky/annotation/AutoFill.java Normal file
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@@ -0,0 +1,21 @@
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;
/**
* 自定义注解，用于标识某个方法需要进行功能字段自动填充处理
*/
@Target(ElementType.METHOD)
@Retention(RetentionPolicy.RUNTIME)
public @interface AutoFill {
//数据库操作类型update insert
//这两个操作存在公共字段 updatetime updateuser createtime createuser
OperationType value();
}

87
sky-server/src/main/java/com/sky/aspect/AutoFillAspect.java Normal file
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@@ -0,0 +1,87 @@
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;
/**
* 自定义切面 实现公共字段的字段填充处理逻辑
*/
@Aspect
@Component
@Slf4j
public class AutoFillAspect {
/**
* 切入点 在mapper包下的所有方法且带有AutoFill注解
*/
@Pointcut("execution(* com.sky.mapper.*.*(..)) && @annotation(com.sky.annotation.AutoFill)")
public void autoFillPointCut() {}
//前置通知 在通知中进行公共字段的赋值
//joinpoint连接点 在哪里进行赋值
@Before("autoFillPointCut()")
public void autoFill(JoinPoint joinPoint) {
log.info("开始进行公共字段的填充...");
//获取当前被拦截的方法上的数据库操作类型
MethodSignature signature = (MethodSignature) joinPoint.getSignature(); //方法签名对象
AutoFill autoFill = signature.getMethod().getAnnotation(AutoFill.class); //获得方法上的注解对象
OperationType operationType = autoFill.value(); //获得数据库操作类型
//获取到当前被拦截的方法的参数 实体对象
Object[] args = joinPoint.getArgs();
if(args == null || args.length == 0){
return;
}
//默认将实体放在第一位
Object entity = args[0];
//准备为实体对象的属性赋值的数据
LocalDateTime now = LocalDateTime.now();
Long currentId = BaseContext.getCurrentId();
//根据当前不同的操作类型 为对应的属性通过反射赋值
if(operationType == OperationType.INSERT){
//为四个公共字段赋值
try {
Method setCreateTime = entity.getClass().getDeclaredMethod(AutoFillConstant.SET_CREATE_TIME, LocalDateTime.class);
Method setCreateUser = entity.getClass().getDeclaredMethod(AutoFillConstant.SET_CREATE_USER, Long.class);
Method setUpdateTime = entity.getClass().getDeclaredMethod(AutoFillConstant.SET_UPDATE_TIME, LocalDateTime.class);
Method setUpdateUser = entity.getClass().getDeclaredMethod(AutoFillConstant.SET_UPDATE_USER, Long.class);
//通过反射为对象属性赋值
setCreateTime.invoke(entity, now);
setCreateUser.invoke(entity, currentId);
setUpdateTime.invoke(entity, now);
setUpdateUser.invoke(entity, currentId);
} catch (Exception e) {
e.printStackTrace();
}
}else if(operationType == OperationType.UPDATE){
try {
//为两个公共字段赋值
Method setUpdateTime = entity.getClass().getDeclaredMethod(AutoFillConstant.SET_UPDATE_TIME, LocalDateTime.class);
Method setUpdateUser = entity.getClass().getDeclaredMethod(AutoFillConstant.SET_UPDATE_USER, Long.class);
setUpdateTime.invoke(entity, now);
setUpdateUser.invoke(entity, 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;
@@ -19,6 +20,7 @@ public interface CategoryMapper {
@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})")
@AutoFill(value = OperationType.INSERT)
void insert(Category category);
/**
@@ -39,6 +41,7 @@ public interface CategoryMapper {
* 根据id修改分类
* @param category
*/
@AutoFill(value = 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;
@@ -26,6 +28,7 @@ public interface EmployeeMapper {
@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})")
@AutoFill(value = OperationType.INSERT)
void insert(Employee employee);
@@ -42,6 +45,7 @@ public interface EmployeeMapper {
* 启用禁用员工
* @param employee
*/
@AutoFill(value = OperationType.UPDATE)
void update(Employee employee);

16
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);
}
@@ -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);
}
@@ -115,8 +115,8 @@ public class CategoryServiceImpl implements CategoryService {
Category category = Category.builder()
.id(id)
.status(status)
.updateTime(LocalDateTime.now())
.updateUser(BaseContext.getCurrentId())
//.updateTime(LocalDateTime.now())
//.updateUser(BaseContext.getCurrentId())
.build();
categoryMapper.update(category);
}

14
sky-server/src/main/java/com/sky/service/impl/EmployeeServiceImpl.java
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@@ -81,12 +81,12 @@ public class EmployeeServiceImpl implements EmployeeService {
//设置实体类剩下的属性
employee.setStatus(StatusConstant.ENABLE);
employee.setPassword(DigestUtils.md5DigestAsHex(PasswordConstant.DEFAULT_PASSWORD.getBytes()));
employee.setCreateTime(LocalDateTime.now());
employee.setUpdateTime(LocalDateTime.now());
//employee.setCreateTime(LocalDateTime.now());
//employee.setUpdateTime(LocalDateTime.now());
//
employee.setCreateUser(BaseContext.getCurrentId());
employee.setUpdateUser(BaseContext.getCurrentId());
//employee.setCreateUser(BaseContext.getCurrentId());
//employee.setUpdateUser(BaseContext.getCurrentId());
//调用持久层
employeeMapper.insert(employee);
@@ -149,10 +149,10 @@ public class EmployeeServiceImpl implements EmployeeService {
public void update(EmployeeDTO employeeDTO) {
Employee employee = new Employee();
BeanUtils.copyProperties(employeeDTO, employee);
employee.setUpdateTime(LocalDateTime.now());
//employee.setUpdateTime(LocalDateTime.now());
//在拦截器中设置好id
employee.setUpdateUser(BaseContext.getCurrentId());
//employee.setUpdateUser(BaseContext.getCurrentId());
employeeMapper.update(employee);
}