一個用JDBC處理transaction的範例程式

一個用JDBC處理transaction的範例程式

import java.sql.*;

public class TestJDBC {
 public static void main(String [] args) {
  Connection conn = null;
  Statement stmt = null;
  try {
   Class.forName("Oracle.jdbc.driver.OracleDriver");
   conn = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:ORCL","scott","tiger");
   
   conn.setAutoCommit(false);
   stmt = conn.createStatement();
   stmt.addBatch("insert into dept2 values (61,'test','apple')");
   stmt.addBatch("insert into dept2 values (62,'test','apple')");
   stmt.addBatch("insert into dept2 values (63,'test','apple')");
   stmt.executeBatch();
   
   conn.commit();
   
   conn.setAutoCommit(true);
  } catch (ClassNotFoundException e) {
   e.printStackTrace();
  } catch (SQLException e) {
   
   if(conn!=null) {
    try {
     conn.rollback();
     conn.setAutoCommit(true);
    } catch (SQLException e1) {
     e1.printStackTrace();
    }
   }
   e.printStackTrace();
  }
  finally {
   if(stmt!=null) {
    try {
     stmt.close();
    } catch (SQLException e) {
     e.printStackTrace();
    }
   }
   if(conn!=null) {
    try {
     conn.close();
    } catch (SQLException e) {
     e.printStackTrace();
    }
   }
  }
 }
}