JDBC事务运用实例

JDBC事务运用实例：

package jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;

public class Transaction {

	/**
	 * @Title: main
	 * @Description:
	 * @param：
	 * @return void 
	 * @user： wangzg
	 * @Date：2014-7-7
	 * @throws
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		Connection conn = null;
		PreparedStatement pstm = null;
		
		try {
			conn = getConnection();
			
			
			System.out.println("事务提交模式："+conn.getAutoCommit());
			
			System.out.println("事务隔离级别："+conn.getTransactionIsolation());
			
			if(conn.getTransactionIsolation() == conn.TRANSACTION_NONE){
				System.out.println("事务隔离级别：TRANSACTION_NONE");
			}else if(conn.getTransactionIsolation() == conn.TRANSACTION_READ_COMMITTED){
				System.out.println("事务隔离级别：TRANSACTION_READ_COMMITTED");
			}else if(conn.getTransactionIsolation() == conn.TRANSACTION_READ_UNCOMMITTED){
				System.out.println("事务隔离级别：TRANSACTION_READ_UNCOMMITTED");
			}else if(conn.getTransactionIsolation() == conn.TRANSACTION_REPEATABLE_READ){
				System.out.println("事务隔离级别：TRANSACTION_REPEATABLE_READ");
			}else if(conn.getTransactionIsolation() == conn.TRANSACTION_SERIALIZABLE){
				System.out.println("事务隔离级别：TRANSACTION_SERIALIZABLE");
			}else{
				System.out.println("事务隔离级别：error");
			}
			
			conn.setAutoCommit(false);
			
			pstm = conn.prepareStatement("insert into t_user(user_id,user_name,user_password) values(TEST_SEQUENCE.NEXTVAL,?,?)");
			
			for(int i =0 ;i < 3;i++){
				pstm.setString(1, "wzg");
				pstm.setString(2, "wzg");
				pstm.executeUpdate();
			}
			
			conn.commit();
			pstm.close();
			
		} catch (ClassNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			try {
				conn.rollback();
			} catch (SQLException e1) {
				// TODO Auto-generated catch block
				e1.printStackTrace();
			}
		}finally{
			try {
				conn.close();
			} catch (SQLException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
		}

	}
	
	/**
	 * 
	 * @Title: getConnection
	 * @Description:
	 * @param：
	 * @return Connection 
	 * @user： wangzg
	 * @Date：2014-7-7
	 * @throws
	 */
	public static Connection getConnection() throws ClassNotFoundException, SQLException{
		
		Connection conn = null;
		
		//加载oracle驱动
		Class.forName("oracle.jdbc.driver.OracleDriver");
		
		//连接数据库
		String url = "jdbc:oracle:thin:@127.0.0.1:1521:ORCL";
		String user ="wzg";
		String password = "wzg";
		conn = DriverManager.getConnection(url, user, password);
		
		return conn;
		
	}

}