Spring事物管理(三)

public class OrderTest {

    private String driver="com.mysql.jdbc.Driver";
    private String url="jdbc:mysql://localhost:3306/os?useUnicode=true&characterEncoding-utf8";
    private String userName="root";
    private String password="root";
    private Connection connection;


    @Test
    public void addOrder(){
        try {
            Class.forName(driver);
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }

        try {
            connection = DriverManager.getConnection(url,userName,password);
            connection.setAutoCommit(false);
            Statement statement = connection.createStatement();
             statement.execute("insert into  orders values('100001','100001',2,'2499',now(),null,null,'lidapeng','1300000000','河北承德','待发货')");
             statement.execute("update products set stock=stock-2 where id='100001'");
             statement.close();
             connection.commit();
        } catch (SQLException e) {
            e.printStackTrace();
            try {
                connection.rollback();
            } catch (SQLException ex) {
                ex.printStackTrace();
            }
        }finally {
            try {
                connection.close();
            } catch (SQLException e) {
                e.printStackTrace();
                try {
                    connection.rollback();
                } catch (SQLException ex) {
                    ex.printStackTrace();
                }
            }
        }

    }
}