1、NewsFindOne路径
   http://localhost:8080//JDBCNews/servlet/NewsFindOne
2、FindOne.jsp路径
   http://localhost:8080//JDBCNews/News/FindOne.jsp   <form action="./servlet/NewsFindOne">可以跳转成功
   <form action="../servlet/NewsFindOne">不可以跳转成功   不应该啊,应该是 action="../servlet/NewsFindOne" 才对啊