标签:拦截器 obj Object field fieldList 公共 import parameter
package com.gbps.biz.system.config; import com.gbps.biz.system.entity.BaseEntity; import com.gbps.biz.system.verification.AdminXAuthToken; import lombok.extern.slf4j.Slf4j; import org.apache.ibatis.executor.Executor; import org.apache.ibatis.mapping.MappedStatement; import org.apache.ibatis.mapping.SqlCommandType; import org.apache.ibatis.plugin.*; import java.lang.reflect.Field; import java.util.*; /** * 通用字段拦截器 * * @author wukai */ @Slf4j @Intercepts({@Signature(type = Executor.class, method = "update", args = {MappedStatement.class, Object.class})}) public class CommonFieldInterceptor implements Interceptor { @Override public Object intercept(Invocation invocation) throws Throwable { try { MappedStatement ms = (MappedStatement) invocation.getArgs()[0]; Object parameter = invocation.getArgs()[1]; Class<?> classParameter = parameter.getClass(); List<Field> fieldList = new ArrayList<>(Arrays.asList(classParameter.getDeclaredFields())); if (parameter instanceof BaseEntity) { fieldList.addAll(Arrays.asList(BaseEntity.class.getDeclaredFields())); } if (ms.getSqlCommandType() == SqlCommandType.INSERT) { this.setCommonFieldWhenInsert(fieldList, parameter); } else if (ms.getSqlCommandType() == SqlCommandType.UPDATE) { this.setCommonFieldWhenUpdate(fieldList, parameter); } } catch (Exception e) { log.error("拦截器异常", e); } return invocation.proceed(); } private void setCommonFieldWhenInsert(List<Field> fieldList, Object obj) throws Exception { setCommonField(fieldList, obj, "createUser", "createTime"); } private void setCommonFieldWhenUpdate(List<Field> fieldList, Object obj) throws Exception { setCommonField(fieldList, obj, "updateUser", "updateTime"); } private void setCommonField(List<Field> fieldList, Object obj, String user, String time) throws Exception { for (Field field : fieldList) { field.setAccessible(true); if (user.equals(field.getName())) { Long userId = AdminXAuthToken.getUserId(false); if (Objects.nonNull(userId)) { field.set(obj, userId); } } else if (time.equals(field.getName())) { field.set(obj, new Date()); } } } @Override public Object plugin(Object target) { return Plugin.wrap(target, this); } @Override public void setProperties(Properties properties) { } }
标签:拦截器,obj,Object,field,fieldList,公共,import,parameter 来源: https://blog.csdn.net/weixin_56092602/article/details/122678958
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