做网站哈尔滨/扬州seo推广
如果调用session的selectOne方法，但返回的结果的条数大于1，则抱错：Expected one result (or null) to be returned by selectOne(), but found:xxx
如果调用session的selectOne方法，但返回的结果的条数大于1，则抱错：Expected one result (or null) to be returned by selectOne(), but found:xxx