SakeOfWhat的博客

<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-mongodb</artifactId></dependency>GridfsTest.javaimport com.mongodb.client.gridfs.GridFSBucket;import com.mong..

1.装载驱动        Class.forName(driverName);         Oracle数据库：oracle.jdbc.driver.OracleDriver        Mysql数据库：com.mysql.jdbc.DriverJDBC-ODBC：sun.jdbc.odbc.JdbcOdbcDriverSybase：com.sybase.jdbc...

使用insert后获得自增id的方法 &lt;insert id="addTravellerFootAtDao" useGeneratedKeys="true" keyProperty="footId"&gt; INSERT INTO travellerfoot(footTitle, footDate, footText, travellerId) VALUES (#{fo...

表备份 #判断表是否存在if exists (select 1 from sysobjects where id = object_id('CARD_HOLDER_BACK') and type = 'U') BEGIN #取消自增 set IDENTITY_INSERT CARD_HOLDER_BACK on #只插入数据...