皮皮学，免费搜题
登录
搜题
【单选题】
数据源在Tomcat的conf/context.xml中的配置以下,要获得数据库连接对象应使用什么方法? auth="Container" type="javax.sql.DataSource" maxActive="100" maxIdle="30" maxWait="10000" username="sa" password="123456" driverClassName="com.microsoft.sqlserver.jdbc.SQLServerDriver" url="jdbc:sqlserver://localhost:1433;databaseName=DBMS" removeAbandonedTimeout="180" removeAbandoned="true" />A.
Context ic = new InitialContext(); DataSource source = DataSource)ic.lookup("/jdbc/eims");
B.
Context ic = new InitialContext(); DataSource source = DataSource)ic.lookup("java:comp/env/jdbc/ei");
C.
Context ic = new InitialContext(); DataSource source = DataSource)ic.lookup("java:comp/env/jdbc/EIMS");
D.
Context ic = new InitialContext(); DataSource source = DataSource)ic.lookup("java:comp/env/jdbc/eims");
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】下列各组物质 ①金刚石和石墨 ② 32 He 和 42 He ③CH 3 CH 2 CH 2 CH 3 和（CH 3 ） 2 CHCH 3 ④乙烷和丙烷 ⑤ ⑥ 互为同位素的是______；互为同素异形体的是______；互为同系物的是______；互为同分异构体的是______；为同一物质的是______．
【单选题】The reason for believing that future man will be different is that he______.
A.
is always changing
B.
hopes for a change
C.
never stops changing
D.
will live a different life
【简答题】D Hobbs was an orphan.He worked in a facty and every day he got a little money.Hard work changed him thin and weak.He wanted to borrow a lot of money to learn painting pietures,but he did not think he...
【简答题】Dad loved children. And he always wanted a 1 family. ually, he got what he wanted with twelve children in the family. Without fail, he would show us all to visitors. Once, Dad 2 presented the fir...
【简答题】阅读理解。 Mr. Smith is walking in the park. He is tired. He wants to have a rest. He sees a green chair under a big tree. So he walks to the chair. There is another man in front of him. He is walking to t...
【简答题】一对减速齿轮传动,若保持两轮分度圆的直径不变,减少齿数并增大模数,其齿面接触应力将 。
相关题目：
参考解析：
知识点：
题目纠错 0
发布
