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metaObject) { boolean createDate = metaObject.hasSetter("createDate"); boolean updateDate...= metaObject.hasSetter("updateDate"); if (createDate || updateDate) { Date now =...this.setFieldValByName("createUser", username, metaObject); } if (metaObject.hasSetter...} @Override public void updateFill(MetaObject metaObject) { if (metaObject.hasSetter...("updateDate")) { this.setFieldValByName("updateDate", new Date(), metaObject); }
metaObject) { if (getFieldValByName("createTime", metaObject) == null) { this.strictInsertFill...("createUser", metaObject) == null) { this.strictInsertFill(metaObject, "createUser", String.class..., "system"); } } @Override public void updateFill(MetaObject metaObject) {...if (getFieldValByName("updateTime", metaObject) == null) { this.strictUpdateFill(metaObject...元对象 */ @Override public void insertFill(MetaObject metaObject) { // 插入对象必须Object
implements MetaObjectHandler { /** * 插入时的填充策略 */ @Override public void insertFill(MetaObject...metaObject) { // 创建和修改时间自动填充当前时间 this.strictInsertFill(metaObject, "createdTime", LocalDateTime.class..., LocalDateTime.now()); this.strictInsertFill(metaObject, "updatedTime", LocalDateTime.class,...LocalDateTime.now()); } /** * 更新时的填充策略 */ @Override public void updateFill(MetaObject...metaObject) { // 修改时间自动填充当前时间 this.strictUpdateFill(metaObject, "updatedTime", LocalDateTime.class
metaObject) { log.info("公共字段自动填充[insert]...."); log.info(metaObject.toString());...metaObject.setValue("createTime", LocalDateTime.now()); metaObject.setValue("updateTime", LocalDateTime.now...()); metaObject.setValue("createUser",BaseContext.getCurrentId()); metaObject.setValue...metaObject) { log.info("公共字段自动填充[insert]"); log.info(metaObject.toString());...metaObject.setValue("updateTime", LocalDateTime.now()); metaObject.setValue("updateUser",BaseContext.getCurrentId
public class MyMetaObjectHandler implements MetaObjectHandler { @Override public void insertFill(MetaObject...metaObject) { log.info("start insert field...."); this.setFieldValByName("createTime...", LocalDateTime.now(),metaObject); this.setFieldValByName("updateTime", LocalDateTime.now(),...metaObject); } @Override public void updateFill(MetaObject metaObject) { this.setFieldValByName...("updateTime", LocalDateTime.now(),metaObject); } }
import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler; import org.apache.ibatis.reflection.MetaObject...metaObject) { // 使用 setFieldValByName 方法为字段赋值 this.setFieldValByName("createTime", new...Date(), metaObject); this.setFieldValByName("updateTime", new Date(), metaObject); }...@Override public void updateFill(MetaObject metaObject) { // 使用 setFieldValByName 方法为字段赋值...this.setFieldValByName("updateTime", new Date(), metaObject); } } 重写了 insertFill 和 updateFill
*/ @Override public void insertFill(MetaObject metaObject) { log.info("start insert...fill ...."); //获取到需要被填充的字段的值 Object fieldValue=getFieldValByName("name",metaObject);...void updateFill(MetaObject metaObject) { log.info("start update fill ...."); Object...metaObject) { log.info("start insert fill ...."); this.strictInsertFill(metaObject,...metaObject) { log.info("start update fill ...."); this.strictUpdateFill(metaObject,
*/ @Override public void insertFill(MetaObject metaObject) { this.setFieldValByName...("createTime", new Date(), metaObject); } /** * 更新填充 * @param metaObject */...@Override public void updateFill(MetaObject metaObject) { this.setFieldValByName("updateTime...("createTime", new Date(), metaObject); this.setFieldValByName("version", 1, metaObject);...metaObject) { this.setFieldValByName("updateTime", new Date(), metaObject); } } 步骤四:修改
class MyMetaObjectHandler implements MetaObjectHandler { @Override public void insertFill(MetaObject...metaObject) { metaObject.setValue("createTime", LocalDateTime.now()); metaObject.setValue...("updateTime",LocalDateTime.now()); } @Override public void updateFill(MetaObject metaObject...) { metaObject.setValue("updateTime",LocalDateTime.now()); } } 最后将要自动填充的字段加上注解,并且注意一下属性类型
()->superClass()); //加载当前控件的属性 d_ptr->addClassProperties(d_ptr->m_object->metaObject());...metaObject) { return; } QtProperty *classProperty = m_classToProperty.value(metaObject...] = classProperty; m_propertyToClass[classProperty] = metaObject; for (int idx = metaObject...<< "geometry"; QtProperty *classProperty = m_classToProperty.value(metaObject); if (!...] = classProperty; m_propertyToClass[classProperty] = metaObject; for (int idx = metaObject
metaObject) { this.strictInsertFill(metaObject, "createTime", LocalDateTime.class, LocalDateTime.now...()); this.strictInsertFill(metaObject, "updateTime", LocalDateTime.class, LocalDateTime.now());...()); } //设置数据修改update时候的,字段自动赋值规则 @Override public void updateFill(MetaObject metaObject...(你的系统里面获取当前登录用户名方法和我的不一样,但总之可以获取到) 五、实现效果 比如在进行数据更新的时候,下面的这两行代码就不需要写了,由updateFill(MetaObject metaObject...metaObject)将被自动执行。
metaObject) { log.info("公共字段填充......"); log.info(metaObject.toString()); metaObject.setValue...metaObject.setValue("updateUser", 1); metaObject.setValue("createUser", 1); }...@Override public void updateFill(MetaObject metaObject) { log.info("公共字段填充......");...log.info(metaObject.toString()); metaObject.setValue("updateTime",LocalDateTime.now());...metaObject) { log.info("公共字段填充......"); log.info(metaObject.toString()); metaObject.setValue
metaObject) { this.setFieldValByName("creatDate",new Date(), metaObject); this.setFieldValByName...("lastUpDate", new Date(), metaObject); } @Override public void updateFill(MetaObject metaObject...metaObject) { this.setFieldValByName("creatDate",LocalDateTime.now(), metaObject); this.setFieldValByName...("lastUpDate", LocalDateTime.now(), metaObject); } @Override public void updateFill(MetaObject...metaObject) { this.setFieldValByName("lastUpDate", LocalDateTime.now(), metaObject); } }
import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler; import org.apache.ibatis.reflection.MetaObject...implements MetaObjectHandler { /** * mp添加操作时执行 * 插入元对象字段填充(用于插入时对公共字段的填充) * @param metaObject...元对象 */ @Override public void insertFill(MetaObject metaObject) { this.setFieldValByName...("version",1,metaObject); } /** * mp修改操作时执行 * 更新元对象字段填充(用于更新时对公共字段的填充) *...* @param metaObject 元对象 */ @Override public void updateFill(MetaObject metaObject) {
public class MyMetaObjectHandler implements MetaObjectHandler { @Override public void insertFill(MetaObject...metaObject) { //插入时的填充策略 log.info("start insert fill ...."); this.setFieldValByName...("createTime",new Date(),metaObject); this.setFieldValByName("updateTime",new Date(),metaObject...); } //更新时的填充策略 @Override public void updateFill(MetaObject metaObject) { log.info...("start update fill ...."); this.setFieldValByName("updateTime",new Date(),metaObject); }
metaObject) { this.strictInsertFill(metaObject, "createTime", Date.class, new Date());...void updateFill(MetaObject metaObject) { this.strictUpdateFill(metaObject, "updateTime", Date.class...metaObject) { this.fillStrategy(metaObject, "createTime", new Date()); this.fillStrategy...(metaObject, "updateTime", new Date()); } @Override public void updateFill(MetaObject metaObject...) { this.fillStrategy(metaObject, "updateTime", new Date()); } } 在一些比较旧的版本,为填充字段设置值的API如下
*/ @Override public void insertFill(MetaObject metaObject) { this.setFieldValByName...("createTime", new Date(), metaObject); } /** * 更新填充 * @param metaObject */...@Override public void updateFill(MetaObject metaObject) { this.setFieldValByName("updateTime...*/ @Override public void insertFill(MetaObject metaObject) { this.setFieldValByName...("createTime", new Date(), metaObject); this.setFieldValByName("version", 1, metaObject);
元对象 */ @Override public void insertFill(MetaObject metaObject)...{ // 不止一种写法 this.strictInsertFill(findTableInfo(metaObject), metaObject...} /** * 更新元对象字段填充(用于更新时对公共字段的填充) * * @param metaObject...元对象 */ @Override public void updateFill(MetaObject metaObject)...LocalDateTime.now()进gmtModified对应字段,这里是一行写法,中间参数可缩写为LocalDateTime::now this.strictUpdateFill(metaObject
public class MyMetaObjectHandler implements MetaObjectHandler { @Override public void insertFill(MetaObject...metaObject) { //插入时的填充策略 this.setFieldValByName("creatTime",new Date(),metaObject);...this.setFieldValByName("updateTime",new Date(),metaObject); } @Override public void...updateFill(MetaObject metaObject) { //更新时的填充策略 this.setFieldValByName("updateTime",new...Date(),metaObject); } } 测试 @Test //插入 public void testInsert(){ User user = new
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