Context env = (Context) new InitialContext().lookup("java:comp/env");
DataSource ds = (javax.sql.DataSource) env.lookup("jdbc/g123");
DataSource ds = (javax.sql.DataSource) env.lookup("jdbc/g123");
我希望执行"select * from t1",获取其数据集。
例如:
Context env = (Context) new InitialContext().lookup("java:comp/env");
DataSource ds = (javax.sql.DataSource) env.lookup("jdbc/g123");
... java.sql.ResultSet rs = ???;
Context env = (Context) new InitialContext().lookup("java:comp/env");
javax.sql.DataSource ds = (javax.sql.DataSource) env.lookup("jdbc/g123");
Connection conn = ds.getConnection();
sql = "select * from t1";
Statement stmt = conn.createStatement();
ResultSet rs = stmt.executeQuery(sql);
我得看看tomcat的文档再告诉你,你用tomcat哪个版本?不好意思,我也有工作要做,我尽力帮你吧