4 回答The method getViewList(String) is undefined for the type ItemsDao 總是報(bào)錯(cuò)

1 回答老是提示“The method getValueNames() from the type HttpSession is deprecated”這個(gè)錯(cuò)誤怎么辦

3 回答The origin server did not find a current representation for the target resource or is not willing to disclose that one exists.

1 回答Status report message /login/login_success.jsp description The requested resource is not available.

2 回答獲得商品詳情的時(shí)候，總是報(bào)錯(cuò)。The method getItemsById(int) is undefined for the type ItemsDAO