src/org/nutz/dao/impl/DaoSupport.java
public void setExecutor(DaoExecutor executor) {
        this.executor = executor;
        if (executor instanceof NutDaoExecutor) {
        	((NutDaoExecutor)executor).setMeta(meta);
        	((NutDaoExecutor)executor).setExpert(expert);
        }
    }
public void setExecutor(DaoExecutor executor) {
        this.executor = executor;
        if (executor instanceof NutDaoExecutor) {
        	((NutDaoExecutor)executor).setMeta(meta);
        	((NutDaoExecutor)executor).setExpert(expert);
        }
    }
设置一个新的 Dao 语句执行器

@param executor
Dao 语句执行器对象