pstmt.addBatch("update testdb.book set kind = 'JAVA' where kind='java'");
//批量执行预定义SQL
pstmt.executeBatch();
} catch (SQLException e) {
e.printStackTrace();
} finally {
DBToolkit.closeConnection(conn);
}
}
/**
* 执行批量静态的SQL
*/
public static void exeBatchStaticSQL() {
Connection conn = null;
try {
conn = DBToolkit.getConnection();
Statement stmt = conn.createStatement();
//连续添加多条静态SQL
stmt.addBatch("insert into testdb.book (kind, name) values ('java', 'java in aciton')");
stmt.addBatch("insert into testdb.book (kind, name) values ('c', 'c in aciton')");
stmt.addBatch("delete from testdb.book where kind ='C#'");
stmt.addBatch("update testdb.book set kind = 'JAVA' where kind='java'");
// stmt.addBatch("select count(*) from testdb.book"); //批量执行不支持Select语句
//执行批量执行
stmt.executeBatch();
} catch (SQLException e) {
e.printStackTrace();
} finally {
DBToolkit.closeConnection(conn);
}
}
}
注意:JDBC的批处理不能加入select语句,否则会抛异常:
java.sql.BatchUpdateException: Can not issue SELECT via executeUpdate().
at com.mysql.jdbc.StatementImpl.executeBatch(StatementImpl.java:1007)
责任编辑:小草