1 //testODBC.OdbcTest.java
 2 //
 3 package testODBC;
 4
 5 import java.sql.Connection;
 6 import java.sql.DriverManager;
 7 import java.sql.SQLException;
 8 import java.sql.Statement;
 9
10 public class OdbcTest {
11     static Connection conn = null;
12     static Statement stm = null;
13     public static void main(String[] args) {
14         //不带参数的sql语句 ，删除语句
15         //String str = "delete emp where empno = 7456";
16
17         //带参数的sql语句
18         String strname = "d国的";
19         int empno = 7456;
20         //单引号的问题，字符注意带单引号。。更新语句
21         //String str = "update emp set ename = '" + strname + "' where empno = " + "'" + empno + "'";
22         //插入语句
23         String str = "insert into emp(empno,ename) values ('"+empno + "','" + strname+"')";
24         addDelModify(str);
25     }
26     private static void addDelModify(String str) {
27         try {
28             Class.forName( "oracle.jdbc.driver.OracleDriver");// 加载驱动
29             String url = "jdbc:oracle:thin:@localhost:1521:ORCL";// 访问oracle路径
30             conn = DriverManager.getConnection(url, "scott", "tiger");//获得数据库连接
31             stm = conn.createStatement();
32             //执行sql语句并返回布尔值，返回false，表示执行成功。否则执行失败
33             /*boolean bool = stm.execute(str);
34             System.out.println(bool);*/
35             //执行sql语句返回整数值，表示改变的行数
36             int lines = stm.executeUpdate(str);
37             System.out.println(lines);
38         } catch (ClassNotFoundException e) {
39             // TODO Auto-generated catch block
40             e.printStackTrace();
41         } catch (SQLException e) {
42             // TODO Auto-generated catch block
43             e.printStackTrace();
44         }finally{
45             try {
46                 //关闭statement
47                 stm.close();
48                 //关闭数据库连接
49                 if (conn.isClosed()) {
50                     System.out.println("连接已经关闭！");
51                 } else {
52                     conn.close();
53                     System.out.println("执行关闭连接！");
54                 }
55             } catch (SQLException e) {
56                 // TODO Auto-generated catch block
57                 e.printStackTrace();
58             }
59
60         }
61     }
62 }