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		package com.test.dbtest;    import java.sql.CallableStatement;  import java.sql.Connection;  import java.sql.DriverManager;  import java.sql.ResultSet;  import java.sql.SQLException;  import java.sql.Statement;    /**Jdbc 连接 Oracle 数据库 简单示例  *@author wanggq  *@version 创建时间:2014年3月31日 上午11:00:06  *类说明  */  public class TestO_procedure01 {        public static void main(String[] args) {          String driver = "oracle.jdbc.driver.OracleDriver";          String url = "jdbc:Oracle:thin:@localhost:1521:orcl";          Statement stmt = null;          ResultSet res = null;          Connection conn = null;          CallableStatement proc = null;          String sql = " select T.REC_NO, T.AIRLINE,T.DEPARTURE,T.ARRIVAL from CDP_MAIN_ORDER t where t.departure=upper('pek')";                    try {              Class.forName(driver);              conn = DriverManager.getConnection(url, "abc123", "abc123");              stmt = conn.createStatement();              res = stmt.executeQuery(sql);              while(res.next())              {                  String rec = res.getString("REC_NO");                  String airline = res.getString("AIRLINE");                  String dept = res.getString("DEPARTURE");                  String arr = res.getString("ARRIVAL");                  System.out.println(rec+" "+airline+" "+dept+" "+arr);              }                        } catch (ClassNotFoundException e) {              // TODO Auto-generated catch block              e.printStackTrace();          } catch (SQLException e) {              // TODO Auto-generated catch block              e.printStackTrace();          }                                      }    }  
也可以使用防止SQL注入PreparedStatement方法 PreparedStatement stmt = null;  ResultSet res = null;  Connection conn = null;  CallableStatement proc = null;  String sql = " select T.REC_NO, T.AIRLINE,T.DEPARTURE,T.ARRIVAL from CDP_MAIN_ORDER t where t.departure=upper(?)";    try {      Class.forName(driver);      conn = DriverManager.getConnection(url, "abc123", "abc123");      stmt = conn.prepareStatement(sql);      stmt.setString(1, "pek");      res = stmt.executeQuery();  
   
	    
    
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