@magicdu #14
```
/**
* 处理新增和更新的基础数据填充，配合 BaseEntity 和 MyBatisPlusConfig 使用
*/
@Component
public class MetaHandler implements MetaObjectHandler {


/**
* 新增数据执行
* @param metaObject
*/
@Override
public void insertFill(MetaObject metaObject) {

UserDetails user;
try {
user = SecurityUtils.getUserDetails();
this.setFieldValByName("crtUserName", user.getUsername(), metaObject);
this.setFieldValByName("crtUserId", SecurityUtils.getUserId(), metaObject);
this.setFieldValByName("updUserName", user.getUsername(), metaObject);
this.setFieldValByName("updUserId", SecurityUtils.getUserId(), metaObject);
} catch (Exception e) {

}
this.setFieldValByName("crtTime", new Date(), metaObject);
this.setFieldValByName("updTime", new Date(), metaObject);


}

/**
* 更新数据执行
* @param metaObject
*/
@Override
public void updateFill(MetaObject metaObject) {
UserDetails user;
try {
user = SecurityUtils.getUserDetails();
this.setFieldValByName("updUserName", user.getUsername(), metaObject);
this.setFieldValByName("updUserId", SecurityUtils.getUserId(), metaObject);
} catch (Exception e) {

}
this.setFieldValByName("updTime", new Date(), metaObject);
}
}
```
配合 BaseEntity 和 MyBatisPlusConfig 使用
```
@Configuration
public class MyBatisPlusConfig {

/**
* 自动填充功能
* @return
*/
@Bean
public GlobalConfig globalConfig() {
GlobalConfig globalConfig = new GlobalConfig();
globalConfig.setMetaObjectHandler(new MetaHandler());
return globalConfig;
}

}
```