|  |  | 
 |  |  | import org.apache.ibatis.plugin.*; | 
 |  |  |  | 
 |  |  | import java.lang.reflect.Method; | 
 |  |  | import java.util.List; | 
 |  |  | import java.util.Map; | 
 |  |  |  | 
 |  |  | @Intercepts( | 
 |  |  |     { | 
 |  |  | 
 |  |  |             Object entity = invocation.getArgs()[PARAMETER_INDEX]; | 
 |  |  |             if (entity instanceof BaseEntity) { | 
 |  |  |                 Class<?> entityClass = entity.getClass(); | 
 |  |  |                 Method setIdMt = null ; | 
 |  |  |                  Method setIdMt = null ; | 
 |  |  |                 try{ | 
 |  |  |                     setIdMt = entityClass.getMethod(BASE_FIELD_SET_PRIMARY_KEY_FUNTION_NAME, Long.class) ; | 
 |  |  |                 }catch (Exception e){ | 
 |  |  | 
 |  |  |                 } | 
 |  |  |  | 
 |  |  |                 invocation.getArgs()[PARAMETER_INDEX] = entity; | 
 |  |  |             }else if(entity instanceof Map){ | 
 |  |  |                 try { | 
 |  |  |                     ((List)((Map<?, ?>) entity).get("list")).forEach(e -> { | 
 |  |  |                         if (e instanceof BaseEntity) { | 
 |  |  |                             Class<?> entityClass = e.getClass(); | 
 |  |  |                             Method setIdMt = null ; | 
 |  |  |                             try{ | 
 |  |  |                                 setIdMt = entityClass.getMethod(BASE_FIELD_SET_PRIMARY_KEY_FUNTION_NAME, Long.class) ; | 
 |  |  |                                 if(setIdMt != null){ | 
 |  |  |                                     setIdMt.invoke(e, new IDLongGenerator().generate()); | 
 |  |  |                                 } | 
 |  |  |                             }catch (Exception e1){ | 
 |  |  |                                 //当entityClass没有setId方法时,会抛出异常 | 
 |  |  |                             } | 
 |  |  |                         } | 
 |  |  |                     }); | 
 |  |  |                 }catch (Exception e){ | 
 |  |  |  | 
 |  |  |                 } | 
 |  |  |             } | 
 |  |  |         } | 
 |  |  |         return invocation.proceed(); |