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java连接数据库并执行sql

2014-08-02 10:20 239 查看 
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import java.sql.*;public class JDBCTest2 {public static void main(String[] args){
String driver = "com.mysql.jdbc.Driver";
String url = "jdbc:mysql://127.0.0.1:3306/open";
String user = "root";
String password = "";try {
Class.forName(driver);
Connection conn = DriverManager.getConnection(url, user, password);if(!conn.isClosed())System.out.println("Succeeded connecting to the Database!");
Statement statement = conn.createStatement();
String sql = "select SNO,SNAME from student order by SNO desc limit 0,5";
ResultSet rs = statement.executeQuery(sql);System.out.println("-----------------");System.out.println("执行结果如下所示:");System.out.println("-----------------");System.out.println(" 编号" + "\t" + " 名字");System.out.println("-----------------");String name = null;while(rs.next()) {
name = rs.getString("SNAME");
//name = new String(name.getBytes("ISO-8859-1"),"GB2312");
System.out.println(rs.getString("SNO") + "\t" + name);}rs.close();conn.close();} catch(ClassNotFoundException e) {System.out.println("Sorry,can`t find the Driver!");	e.printStackTrace();} catch(SQLException e) {	e.printStackTrace();} catch(Exception e) {	e.printStackTrace();}}}


                                            

                                        

                        
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