public class VprintDatabaseManager
extends java.lang.Object
Constructor and Description |
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VprintDatabaseManager(java.lang.String databaseFilepath)
读取指定位置的数据库文件,如果该路径下没有文件,也可创建数据库
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Modifier and Type | Method and Description |
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void |
close() |
void |
createTableIfNotExists() |
boolean |
delete(java.lang.String id) |
boolean |
deleteAll() |
void |
dropTableIfExists() |
boolean |
insertOrUpdate(VprintSqlEntity entity) |
java.util.List<VprintSqlEntity> |
query(java.lang.String id) |
java.util.List<VprintSqlEntity> |
queryAll() |
boolean |
update(java.lang.String id,
byte[] data) |
boolean |
update(VprintSqlEntity entity) |
public VprintDatabaseManager(java.lang.String databaseFilepath)
databaseFilepath
- 数据库文件的绝对路径public void createTableIfNotExists()
public void dropTableIfExists()
public java.util.List<VprintSqlEntity> query(java.lang.String id)
public java.util.List<VprintSqlEntity> queryAll()
public boolean insertOrUpdate(VprintSqlEntity entity)
public boolean update(VprintSqlEntity entity)
public boolean update(java.lang.String id, byte[] data)
public boolean delete(java.lang.String id)
public boolean deleteAll()
public void close()