本文实例讲述了jdbc链接oracle数据库功能。分享给大家供大家参考，具体如下：
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package com.sefvang.jdbc;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
public class Db_conn {
private static final String url = "jdbc:oracle:thin:@localhost:1521:orcl";
private static final String name = "system";
private static final String passwd = "sefvang";
private static final String Db_driver = "oracle.jdbc.OracleDriver";
public Connection getConnection() {
Connection conn = null;
try {
Class.forName(Db_driver);
conn = DriverManager.getConnection(url, name, passwd);
if (conn != null) {
System.out.println("success!!!");
}
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return conn;
}
public void close(Connection conn) {
try {
if (conn != null) {
if (!conn.isClosed()) {
conn.close();
}
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public static void main(String[] args) {
Db_conn conn=new Db_conn();
Connection con = conn.getConnection();
try {
PreparedStatement papt = con.prepareStatement("select tname from text where tid=1");
ResultSet rs = papt.executeQuery();
if(rs.next())
System.out.println(rs.getString(1));
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
conn.close(con);
}
}
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希望本文所述对大家java程序设计有所帮助。
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