日期:2014-05-16 浏览次数:20540 次
package com.terac.util;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
public class DBTest {
public static void main(String[] args) {
try {
String user = "user";
String password = "password";
String driver = "COM.ibm.db2.jdbc.net.DB2Driver";//"oracle.jdbc.driver.OracleDriver";//"com.mysql.jdbc.Driver";//"org.postgresql.Driver";
String url = "jdbc:db2://localhost/a";//"jdbc:oracle:thin:@localhost:1521:a";//"jdbc:mysql://localhost/a";//"jdbc:postgresql://localhost:5740/a";
String sql = "SELECT current timestamp FROM sysibm.sysdummy1";//"SELECT sysdate FROM dual";//"SELECT now()";//"SELECT current_timestamp";
Class.forName(driver).newInstance();
Connection conn = DriverManager.getConnection(url, user, password);
Statement stmt = conn.createStatement();
ResultSet rs = stmt.executeQuery(sql);
while (rs.next()) {
System.out.println(rs.getString(1));
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (stmt != null) {
try {
stmt.close();
} catch (SQLException e) {
logger.error(e.getMessage(), e);
}
stmt = null;
}
if (conn != null) {
try {
conn.close();
} catch (SQLException e) {
logger.error(e.getMessage(), e);
}
conn = null;
}
}
}
}