public void createDatabase(RdsClient rdsClient) {
        RdsCreateDatabaseRequest request = new RdsCreateDatabaseRequest();
        //指定实例ID,必选
        request.setInstanceId("rds-Qk2LpXBj");
        //pg支持字符集（UTF8，LATIN1，SQL_ASCII）
        //sqlserver支持字符集：（Chinese_PRC_CI_AS、Chinese_PRC_CS_AS、SQL_Latin1_General_CP1_CI_AS、SQL_Latin1_General_CP1_CS_AS、Chinese_PRC_BIN）
        //必选
        request.setCharacterSetName(RdsCharacterSet.UTF8);
        //数据库名称，必选
        request.setDbName("testMysqlDatabase");
        //备注，可选
        request.setRemark("testRemark");
        //账户权限由AccountPrivilege对象组成，可选
        RdsAccountPrivileges privileges = new RdsAccountPrivileges();
        //账户名称,可选
        privileges.setAccountName("rdsroot1");
        //授权类型。ReadOnly：只读，ReadWrite：读写，可选
        privileges.setAuthType("ReadWrite");
        List<RdsAccountPrivileges> privilegesList = new ArrayList<>();
        privilegesList.add(privileges);
        request.setAccountPrivileges(privilegesList);
        //字符分类：PostgreSQL数据库必填参数，其他数据库非必填此参数
        //characterSetName参数为：utf-8,此参数为:zh_CN.utf-8
        //characterSetNam参数为：LATIN1，此参数为:en_US
        //characterSetNam参数为：SQL_ASCII，此参数为:C
        //可选
        request.setCtype("zh_CN.utf-8");
        //字符分类：PostgreSQL数据库必填参数，其他数据库非必填此参数
        //characterSetName参数为：utf-8,此参数为:zh_CN.utf-8
        //characterSetNam参数为：LATIN1，此参数为:en_US
        //characterSetNam参数为：SQL_ASCII，此参数为:C
        //可选
        request.setCollate("zh_CN.utf-8");
        //授权账号，可选
        request.setOwner("rdsroot1");
        AbstractBceResponse response = rdsClient.createDatabase(request);
        print("createDatabase", response);
    }

public void deleteDatabase(RdsClient rdsClient) {
        RdsDeleteDatabaseRequest request = new RdsDeleteDatabaseRequest();
        //实例ID，必选
        request.setInstanceId("rds-Qk2LpXBj");
        //数据库名称，必选
        request.setDbName("testMysqlDatabase");
        AbstractBceResponse response = rdsClient.deleteDatabase(request);
        print("deleteDatabase", response);
    }

public void changeDatabasePort(RdsClient rdsClient) {
        RdsChangeDatabasePortRequest request = new RdsChangeDatabasePortRequest();
        //实例ID,必选
        request.setInstanceId("rds-Ml7QDBqz");
        //修改端口的参数，必选
        request.setEntryPort(13206);
        AbstractBceResponse response = rdsClient.changeDatabasePort(request);
        print("changeDatabasePort", response);
    }

public void getDatabaseList(RdsClient rdsClient) {
        RdsGetDatabaseListRequest request = new RdsGetDatabaseListRequest();
        //实例ID,必选
        request.setInstanceId("rds-Ml7QDBqz");
        AbstractBceResponse response = rdsClient.getDatabaseList(request);
    }

public void modifyDatabaseDescription(RdsClient rdsClient) {
        RdsModifyDatabaseDescriptionRequest request = new RdsModifyDatabaseDescriptionRequest();
        //实例ID,必选
        request.setInstanceId("rds-1a6K6qX8");
        //数据库名称，必选
        request.setDbName("dbfakfl");
        //描述信息，必选
        request.setRemark("testRemark");
        AbstractBceResponse response = rdsClient.modifyDatabaseDescription(request);
    }