addBatch()用法

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PreparedStatement.addbatch()的使用
Statement和PreparedStatement的区别就不多废话了,直接说PreparedStatement最重要的addbatch()结构的使用.

1.建立链接
Connection connection =getConnection();

2.不自动 Commit
connection.setAutoCommit(false);

3.预编译SQL语句,只编译一回哦,效率高啊
PreparedStatement statement = connection.prepareStatement("INSERT INTO TABLEX VALUES(?, ?)");

//记录1
statement.setInt(1, 1);
statement.setString(2, "Cujo");
statement.addBatch();

//记录2
statement.setInt(1, 2);
statement.setString(2, "Fred");
statement.addBatch();

//记录3
statement.setInt(1, 3);
statement.setString(2, "Mark");
statement.addBatch();

//批量执行上面3条语句.
int [] counts = statement.executeBatch();

//Commit it 到(DB)里面