package cn.ibizlab.util.domain; public class DTOClient extends DTOBase { @Override public void modify(String field,Object val) { getExtensionparams().put("dirtyflagenable",true); if(val==null){ this.getFocusNull().add(field.toLowerCase()); getExtensionparams().put(field.toLowerCase()+"dirtyflag",true); } else{ this.getFocusNull().remove(field.toLowerCase()); getExtensionparams().remove(field.toLowerCase()+"dirtyflag"); } } }