import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.SQLException;public class TestJDBC {/*** 当银行转账时，需要在汇款人账户上扣除汇款金额，同时在收款人账户上存入汇款金额，* 如果中间异常扣款但未实现转账，就需要事物处理，在出现异常情况下回滚到初始状态*/public static void main(String[] args) {Connection conn = null;PreparedStatement ps = null;try {Class.forName("com.mysql.jdbc.Driver");conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/aho", "root", "root");//设置自动提交为false(默认为true)conn.setAutoCommit(false);ps =conn.prepareStatement("insert into person(id,name,age) values(?,?,?)");ps.setInt(1, 1);ps.setString(2, "李四");ps.setInt(3, 18);ps.addBatch();ps.setInt(1, 1);ps.setString(2, "李四");ps.setInt(3, 18);ps.addBatch();ps.setInt(1, 1);ps.setString(2, "李四");ps.setInt(3, 18);ps.addBatch();ps.executeBatch();//手动提交conn.commit();//设置回自动提交conn.setAutoCommit(true);} catch (ClassNotFoundException e) {e.printStackTrace();} catch (SQLException e) {e.printStackTrace();try {if(conn!=null){//遇到异常事物滚回,并设置初始自动提交为trueconn.rollback();conn.setAutoCommit(true);}} catch (SQLException e1) {e1.printStackTrace();}} finally {try {if(ps!=null){ps.close();ps = null;}if(conn!=null){conn.close();conn = null;}} catch (SQLException e) {e.printStackTrace();}}}
}
)
)
