import java.sql.*;

public class DBTest {

    public static void main(String[] args) throws Exception {         test();     }

    public static void test(){         String URL = "jdbc:informix-sqli://XXXXX:XXXXX/XXXX:INFORMIXSERVER=XXXX;DB_LOCALE=zh_CN.utf8;CLIENT_LOCALE=zh_CN.utf8;NEWCODESET=UTF8,utf8,57372;IFX_LOCK_MODE_WAIT=100;";         String USER = "informix";         String PASSWORD ="xxxxx";                 String sql1 = "select seq_fileinfo.nextval from sysmaster:sysdual ";         try {             Class.forName("com.informix.jdbc.IfxDriver");             Connection conn = DriverManager.getConnection(URL, USER, PASSWORD);             Statement stmt = conn.createStatement();             //1.加载驱动程序             double a = System.currentTimeMillis();             System.out.println("开始：");             double b = System.currentTimeMillis();             ResultSet rs = stmt.executeQuery(sql1);             while(rs.next()){                      System.out.println(rs.getString(1));             }             System.out.println("结束1："+(System.currentTimeMillis()-b));            /*PreparedStatement pst = conn.prepareStatement(sql2);             pst.setString(1,"4101");             double c = System.currentTimeMillis();             pst.executeQuery();             System.out.println("结束2："+(System.currentTimeMillis()-c));*/         }catch (Exception e){             e.printStackTrace();         }     } }