WebRowSet (Java Platform SE 6)

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Java^TM Platform
Standard Ed. 6

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javax.sql.rowset
�ӿ� WebRowSet

��г��ӿڣ�: CachedRowSet, Joinable, ResultSet, RowSet, Wrapper

��֪�ӽӿڣ�: FilteredRowSet, JoinRowSet

public interface WebRowSet
extends CachedRowSet
extends CachedRowSet

�� WebRowSet ��ʵ�ֶ��ʵ�ֵı�׼�ӿڡ�

1.0 ��

WebRowSetImpl �ṩ��Ҫʱ��չ�ı�׼�ο�ʵ�֡�

��׼�� WebRowSet XML ģʽ��λ�� URI �У�

 http://java.sun.com/xml/ns/jdbc/webrowset.xsd

��ʹ�� XML �� RowSet ��ʱ��ı�׼ XML �ĵ��ʽ�� WebRowSet �ӿڵı�׼ʵ�ֱ��ʹ�ø��ĵ��ʽ��ȷ��ԡ��⣬WebRowSet ģʽʹ��ض�� SQL/XML ģʽע�ͣ��Ӷ�ȷ��ϸߵĿ�ƽ̨��ԡ�Ŀǰ ISO ��֯��Ϊ�˶�Ŭ��SQL/XML ��ɴ�� URI �еõ��

 http://standards.iso.org/iso/9075/2002/12/sqlxml

ģʽ��ͬ�� RowSet ��ڲ��ݣ�

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RowSet

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WebRowSet

java.sql.ResultSet

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WebRowSet

2.0 WebRowSet ״̬

��¼��ʾ WebRowSet ʵ��Ӧ��ʹ�� XML ģʽ��¡��ɾ��Լ�� XML �� WebRowSet ��״̬��

2.1 ״̬ 1 - �� `WebRowSet` ��Ϊ XML

�ڴ�ʾ��У��һ�� WebRowSet ��󣬲�ʹ��ȡ��Դ��һ��򵥵� 2 �С�5 �б��䡣�� WebRowSet ��е� 5 ��ʹ�� XML ��ǳ�Ϊ��ܡ�� RowSet �ӿ��ж��ĸ��ֱ�׼ JavaBeans ��Ժ�� CachedRowSet^TM �ӿ��ж��ı�׼��Ե�Ԫ��ݣ��ṩ�� WebRowSet ��Ե��Ҫϸ�ڡ�ʹ�ñ�׼ writeXml �� WebRowSet ��Ϊ XML ��ڲ��£�

<properties>
       <command>select co1, col2 from test_table</command>
        <concurrency>1</concurrency>
        <datasource/>
        <escape-processing>true</escape-processing>
        <fetch-direction>0</fetch-direction>
        <fetch-size>0</fetch-size>
        <isolation-level>1</isolation-level>
        <key-columns/>
        <map/>
        <max-field-size>0</max-field-size>
        <max-rows>0</max-rows>
        <query-timeout>0</query-timeout>
        <read-only>false</read-only>
        <rowset-type>TRANSACTION_READ_UNCOMMITED</rowset-type>
        <show-deleted>false</show-deleted>
        <table-name/>
        <url>jdbc:thin:oracle</url>
        <sync-provider>
                <sync-provider-name>.com.rowset.provider.RIOptimisticProvider</sync-provider-name>
                <sync-provider-vendor>Sun Microsystems</sync-provider-vendor>
                <sync-provider-version>1.0</sync-provider-name>
                <sync-provider-grade>LOW</sync-provider-grade>
              <data-source-lock>NONE</data-source-lock>
        </sync-provider>
</properties>

�� WebRowSet ��ɵ�Ԫ��ʹ�� XML ��ϸ��ʾ��ע�⣬��ж�� column-definition ��ʶ֮��

<metadata>
        <column-count>2</column-count>
        <column-definition>
                <column-index>1</column-index>
                <auto-increment>false</auto-increment>
                <case-sensitive>true</case-sensitive>
                <currency>false</currency>
                <nullable>1</nullable>
                <signed>false</signed>
                <searchable>true</searchable>
                <column-display-size>10</column-display-size>   
                <column-label>COL1</column-label>
                <column-name>COL1</column-name>
                <schema-name/>
                <column-precision>10</column-precision>
                <column-scale>0</column-scale>
                <table-name/>
                <catalog-name/>
                <column-type>1</column-type>
                <column-type-name>CHAR</column-type-name>
        </column-definition>
        <column-definition>
                <column-index>2</column-index>
                <auto-increment>false</auto-increment>
                <case-sensitive>false</case-sensitive>
                <currency>false</currency>
                <nullable>1</nullable>
                <signed>true</signed>
                <searchable>true</searchable>
                <column-display-size>39</column-display-size>
                <column-label>COL2</column-label>
                <column-name>COL2</column-name>
                <schema-name/>
                <column-precision>38</column-precision>
                <column-scale>0</column-scale>
                <table-name/>
                <catalog-name/>
                <column-type>3</column-type>
                <column-type-name>NUMBER</column-type-name>
        </column-definition>
</metadata>

��ϸ˵��Ժ�Ԫ��֮��ϸ˵��ʹ�� XML �� WebRowSet ��ݡ�ע�⣬��Դ�ʵ��û�о��κ��޸ĵ� WebRowSet ��currentRow ��ǽ��ӳ�䵽 WebRowSet ��ṩ�ı��ṹ��ÿһ��С�columnValue ��ǿ��ܰ�� stringData �� binaryData ��ǣ��ȡ��ڽ� XML ֵӳ��ص� SQL ��͡�binaryData ��ǰ�� Base64 ��ݣ�ͨ�� BLOB �� CLOB ��ݡ�

 <data>
        <currentRow>
                <columnValue>
                        firstrow
                </columnValue>
                <columnValue>
                        1
                </columnValue>
        </currentRow>
        <currentRow>
                <columnValue>
                        secondrow
                </columnValue>
                <columnValue>
                        2
                </columnValue>
        </currentRow>
        <currentRow>
                <columnValue>
                        thirdrow
                </columnValue>
                <columnValue>
                        3
                </columnValue>
        </currentRow>
        <currentRow>
                <columnValue>
                        fourthrow
                </columnValue>
                <columnValue>
                        4
                </columnValue>
        </currentRow>
 </data>

2.2 ״̬ 2 - ɾ��

�� WebRowSet ��ɾ��ȼ򵥵��ƶ��Ҫɾ��У�Ȼ�� deleteRow ��κ�� RowSet ��һ��У�� wrs Ϊ WebRowSet ��󣩽�ɾ��С�

     wrs.absolute(3);
     wrs.deleteRow();

XML ��ʾ��б��Ϊ deleteRow��⽫�� WebRowSet ��ɾȥ��С�

 <data>
        <currentRow>
                <columnValue>
                        firstrow
                </columnValue>
                <columnValue>
                        1
                </columnValue>
        </currentRow>
        <currentRow>
                <columnValue>
                        secondrow
                </columnValue>
                <columnValue>
                        2
                </columnValue>
        </currentRow>
        <deleteRow>
                <columnValue>
                        thirdrow
                </columnValue>
                <columnValue>
                        3
                </columnValue>
        </deleteRow>
        <currentRow>
                <columnValue>
                        fourthrow
                </columnValue>
                <columnValue>
                        4
                </columnValue>
        </currentRow>
 </data>

2.3 ״̬ 3 - ��

WebRowSet ��еķ�ʽ�ǣ��ƶ��У�Ϊ��е�ÿһ�е��ʵ��ĸ��·��Ȼ�� insertRow ��

 wrs.moveToInsertRow();
 wrs.updateString(1, "fifththrow");
 wrs.updateString(2, "5");
 wrs.insertRow();

��´��Ƭ�θ��ĸղ��еڶ��е�ֵ��ע�⣬�˴��ڽ��ֱ�Ӳ��뵽��ǰ�еĺ��ʱӦ�ã�� next ��ָ��ƶ��ȷ�е�ԭ�򡣵��÷�� acceptChanges ��д��Դ��

 wrs.moveToCurrentRow();
 wrs.next();
 wrs.updateString(2, "V");
 wrs.acceptChanges();
 :

ʹ�� XML ��˲��ʾ��в�� Java ��λ�ã�Ȼ��ڸ��ֶ��ϵ��²��ִ�и��¡�

 
 <data>
        <currentRow>
                <columnValue>
                        firstrow
                </columnValue>
                <columnValue>
                        1
                </columnValue>
        </currentRow>
        <currentRow>
                <columnValue>
                        secondrow
                </columnValue>
                <columnValue>
                        2
                </columnValue>
        </currentRow>
        <currentRow>
                <columnValue>
                        newthirdrow
                </columnValue>
                <columnValue>
                        III
                </columnValue>
        </currentRow>
        <insertRow>
                <columnValue>
                        fifthrow
                </columnValue>
                <columnValue>
                        5
                </columnValue>
                <updateValue>
                        V
                </updateValue>
        </insertRow>
        <currentRow>
                <columnValue>
                        fourthrow
                </columnValue>
                <columnValue>
                        4
                </columnValue>
        </currentRow>
</date>

2.4 ״̬ 4 - �޸��

�޸��ض�� XML�� XML ��¼��ֵ�ͱ��滻��ֵ��滻��ֵ��ԭʼֵ��ֵ��ɵ�ǰֵ��´��뽫ָ��ƶ��ض��У�ִ��һЩ�޸ģ��ʱ��С�

 wrs.absolute(5);
 wrs.updateString(1, "new4thRow");
 wrs.updateString(2, "IV");
 wrs.updateRow();

�� XML �У��˲�� modifyRow ��ԭʼ�и��Ŀ�ģ�ԭʼֵ��ֵ��ڸñ��С�

 <data>
        <currentRow>
                <columnValue>
                        firstrow
                </columnValue>
                <columnValue>
                        1
                </columnValue>
        </currentRow>
        <currentRow>
                <columnValue>
                        secondrow
                </columnValue>
                <columnValue>
                        2
                </columnValue>
        </currentRow>
        <currentRow>
                <columnValue>
                        newthirdrow
                </columnValue>
                <columnValue>
                        III
                </columnValue>
        </currentRow>
        <currentRow>
                <columnValue>
                        fifthrow
                </columnValue>
                <columnValue>
                        5
                </columnValue>
        </currentRow>
        <modifyRow>
                <columnValue>
                        fourthrow
                </columnValue>
                <updateValue>
                        new4thRow
                </updateValue>
                <columnValue>
                        4
                </columnValue>
                <updateValue>
                        IV
                </updateValue>
        </modifyRow>
 </data>

��μ��: JdbcRowSet, CachedRowSet, FilteredRowSet, JoinRowSet

�ֶ�ժҪ
`static String`	`PUBLIC_XML_SCHEMA` Ϊ `WebRowSet` ʵ�ֶ�� XML ��Ǽ��Чֵ�� XML ģʽ��Ĺ��ʶ��
`static String`	`SCHEMA_SYSTEM_ID` Ϊ `WebRowSet` ʵ�ֶ�� XML ��Ǽ��Чֵ�� XML ģʽ�� URL��

�ӽӿ� javax.sql.rowset.CachedRowSet �̳е��ֶ�
`COMMIT_ON_ACCEPT_CHANGES`

�ӽӿ� java.sql.ResultSet �̳е��ֶ�
`CLOSE_CURSORS_AT_COMMIT, CONCUR_READ_ONLY, CONCUR_UPDATABLE, FETCH_FORWARD, FETCH_REVERSE, FETCH_UNKNOWN, HOLD_CURSORS_OVER_COMMIT, TYPE_FORWARD_ONLY, TYPE_SCROLL_INSENSITIVE, TYPE_SCROLL_SENSITIVE`

��ժҪ
`void`	`readXml(InputStream iStream)` ��ȡ�� XML ��룬�� `WebRowSet` ��
`void`	`readXml(Reader reader)` �Ӹ�� `Reader` �� XML ��ʽ��ȡ `WebRowSet` ��
`void`	`writeXml(OutputStream oStream)` �� XML ��ʽ�� `WebRowSet` ��ݡ��Ժ�Ԫ��д�� `OutputStream` ��
`void`	`writeXml(ResultSet rs, OutputStream oStream)` ʹ�ø�� `ResultSet` �� `WebRowSet` ��󣬲�� XML ��ʽ��ݡ��Ժ�Ԫ��д�� `OutputStream` ��
`void`	`writeXml(ResultSet rs, Writer writer)` ʹ�ø�� `ResultSet` �� `WebRowSet` ��󣬲�� XML ��ʽ��ݡ��Ժ�Ԫ��д�� `Writer` ��
`void`	`writeXml(Writer writer)` �� XML ��ʽ�� `WebRowSet` ��ݡ��Ժ�Ԫ��д�� `Writer` ��

�ӽӿ� javax.sql.rowset.CachedRowSet �̳еķ��
acceptChanges, acceptChanges, columnUpdated, columnUpdated, commit, createCopy, createCopyNoConstraints, createCopySchema, createShared, execute, getKeyColumns, getOriginal, getOriginalRow, getPageSize, getRowSetWarnings, getShowDeleted, getSyncProvider, getTableName, nextPage, populate, populate, previousPage, release, restoreOriginal, rollback, rollback, rowSetPopulated, setKeyColumns, setMetaData, setOriginalRow, setPageSize, setShowDeleted, setSyncProvider, setTableName, size, toCollection, toCollection, toCollection, undoDelete, undoInsert, undoUpdate

�ӽӿ� javax.sql.rowset.CachedRowSet �̳еķ��

acceptChanges, acceptChanges, columnUpdated, columnUpdated, commit, createCopy, createCopyNoConstraints, createCopySchema, createShared, execute, getKeyColumns, getOriginal, getOriginalRow, getPageSize, getRowSetWarnings, getShowDeleted, getSyncProvider, getTableName, nextPage, populate, populate, previousPage, release, restoreOriginal, rollback, rollback, rowSetPopulated, setKeyColumns, setMetaData, setOriginalRow, setPageSize, setShowDeleted, setSyncProvider, setTableName, size, toCollection, toCollection, toCollection, undoDelete, undoInsert, undoUpdate

�ӽӿ� javax.sql.RowSet �̳еķ��
addRowSetListener, clearParameters, execute, getCommand, getDataSourceName, getEscapeProcessing, getMaxFieldSize, getMaxRows, getPassword, getQueryTimeout, getTransactionIsolation, getTypeMap, getUrl, getUsername, isReadOnly, removeRowSetListener, setArray, setAsciiStream, setAsciiStream, setAsciiStream, setAsciiStream, setBigDecimal, setBigDecimal, setBinaryStream, setBinaryStream, setBinaryStream, setBinaryStream, setBlob, setBlob, setBlob, setBlob, setBlob, setBlob, setBoolean, setBoolean, setByte, setByte, setBytes, setBytes, setCharacterStream, setCharacterStream, setCharacterStream, setCharacterStream, setClob, setClob, setClob, setClob, setClob, setClob, setCommand, setConcurrency, setDataSourceName, setDate, setDate, setDate, setDate, setDouble, setDouble, setEscapeProcessing, setFloat, setFloat, setInt, setInt, setLong, setLong, setMaxFieldSize, setMaxRows, setNCharacterStream, setNCharacterStream, setNCharacterStream, setNCharacterStream, setNClob, setNClob, setNClob, setNClob, setNClob, setNClob, setNString, setNString, setNull, setNull, setNull, setNull, setObject, setObject, setObject, setObject, setObject, setObject, setPassword, setQueryTimeout, setReadOnly, setRef, setRowId, setRowId, setShort, setShort, setSQLXML, setSQLXML, setString, setString, setTime, setTime, setTime, setTime, setTimestamp, setTimestamp, setTimestamp, setTimestamp, setTransactionIsolation, setType, setTypeMap, setURL, setUrl, setUsername

�ӽӿ� javax.sql.RowSet �̳еķ��

addRowSetListener, clearParameters, execute, getCommand, getDataSourceName, getEscapeProcessing, getMaxFieldSize, getMaxRows, getPassword, getQueryTimeout, getTransactionIsolation, getTypeMap, getUrl, getUsername, isReadOnly, removeRowSetListener, setArray, setAsciiStream, setAsciiStream, setAsciiStream, setAsciiStream, setBigDecimal, setBigDecimal, setBinaryStream, setBinaryStream, setBinaryStream, setBinaryStream, setBlob, setBlob, setBlob, setBlob, setBlob, setBlob, setBoolean, setBoolean, setByte, setByte, setBytes, setBytes, setCharacterStream, setCharacterStream, setCharacterStream, setCharacterStream, setClob, setClob, setClob, setClob, setClob, setClob, setCommand, setConcurrency, setDataSourceName, setDate, setDate, setDate, setDate, setDouble, setDouble, setEscapeProcessing, setFloat, setFloat, setInt, setInt, setLong, setLong, setMaxFieldSize, setMaxRows, setNCharacterStream, setNCharacterStream, setNCharacterStream, setNCharacterStream, setNClob, setNClob, setNClob, setNClob, setNClob, setNClob, setNString, setNString, setNull, setNull, setNull, setNull, setObject, setObject, setObject, setObject, setObject, setObject, setPassword, setQueryTimeout, setReadOnly, setRef, setRowId, setRowId, setShort, setShort, setSQLXML, setSQLXML, setString, setString, setTime, setTime, setTime, setTime, setTimestamp, setTimestamp, setTimestamp, setTimestamp, setTransactionIsolation, setType, setTypeMap, setURL, setUrl, setUsername

�ӽӿ� java.sql.ResultSet �̳еķ��
absolute, afterLast, beforeFirst, cancelRowUpdates, clearWarnings, close, deleteRow, findColumn, first, getArray, getArray, getAsciiStream, getAsciiStream, getBigDecimal, getBigDecimal, getBigDecimal, getBigDecimal, getBinaryStream, getBinaryStream, getBlob, getBlob, getBoolean, getBoolean, getByte, getByte, getBytes, getBytes, getCharacterStream, getCharacterStream, getClob, getClob, getConcurrency, getCursorName, getDate, getDate, getDate, getDate, getDouble, getDouble, getFetchDirection, getFetchSize, getFloat, getFloat, getHoldability, getInt, getInt, getLong, getLong, getMetaData, getNCharacterStream, getNCharacterStream, getNClob, getNClob, getNString, getNString, getObject, getObject, getObject, getObject, getRef, getRef, getRow, getRowId, getRowId, getShort, getShort, getSQLXML, getSQLXML, getStatement, getString, getString, getTime, getTime, getTime, getTime, getTimestamp, getTimestamp, getTimestamp, getTimestamp, getType, getUnicodeStream, getUnicodeStream, getURL, getURL, getWarnings, insertRow, isAfterLast, isBeforeFirst, isClosed, isFirst, isLast, last, moveToCurrentRow, moveToInsertRow, next, previous, refreshRow, relative, rowDeleted, rowInserted, rowUpdated, setFetchDirection, setFetchSize, updateArray, updateArray, updateAsciiStream, updateAsciiStream, updateAsciiStream, updateAsciiStream, updateAsciiStream, updateAsciiStream, updateBigDecimal, updateBigDecimal, updateBinaryStream, updateBinaryStream, updateBinaryStream, updateBinaryStream, updateBinaryStream, updateBinaryStream, updateBlob, updateBlob, updateBlob, updateBlob, updateBlob, updateBlob, updateBoolean, updateBoolean, updateByte, updateByte, updateBytes, updateBytes, updateCharacterStream, updateCharacterStream, updateCharacterStream, updateCharacterStream, updateCharacterStream, updateCharacterStream, updateClob, updateClob, updateClob, updateClob, updateClob, updateClob, updateDate, updateDate, updateDouble, updateDouble, updateFloat, updateFloat, updateInt, updateInt, updateLong, updateLong, updateNCharacterStream, updateNCharacterStream, updateNCharacterStream, updateNCharacterStream, updateNClob, updateNClob, updateNClob, updateNClob, updateNClob, updateNClob, updateNString, updateNString, updateNull, updateNull, updateObject, updateObject, updateObject, updateObject, updateRef, updateRef, updateRow, updateRowId, updateRowId, updateShort, updateShort, updateSQLXML, updateSQLXML, updateString, updateString, updateTime, updateTime, updateTimestamp, updateTimestamp, wasNull

�ӽӿ� java.sql.ResultSet �̳еķ��

absolute, afterLast, beforeFirst, cancelRowUpdates, clearWarnings, close, deleteRow, findColumn, first, getArray, getArray, getAsciiStream, getAsciiStream, getBigDecimal, getBigDecimal, getBigDecimal, getBigDecimal, getBinaryStream, getBinaryStream, getBlob, getBlob, getBoolean, getBoolean, getByte, getByte, getBytes, getBytes, getCharacterStream, getCharacterStream, getClob, getClob, getConcurrency, getCursorName, getDate, getDate, getDate, getDate, getDouble, getDouble, getFetchDirection, getFetchSize, getFloat, getFloat, getHoldability, getInt, getInt, getLong, getLong, getMetaData, getNCharacterStream, getNCharacterStream, getNClob, getNClob, getNString, getNString, getObject, getObject, getObject, getObject, getRef, getRef, getRow, getRowId, getRowId, getShort, getShort, getSQLXML, getSQLXML, getStatement, getString, getString, getTime, getTime, getTime, getTime, getTimestamp, getTimestamp, getTimestamp, getTimestamp, getType, getUnicodeStream, getUnicodeStream, getURL, getURL, getWarnings, insertRow, isAfterLast, isBeforeFirst, isClosed, isFirst, isLast, last, moveToCurrentRow, moveToInsertRow, next, previous, refreshRow, relative, rowDeleted, rowInserted, rowUpdated, setFetchDirection, setFetchSize, updateArray, updateArray, updateAsciiStream, updateAsciiStream, updateAsciiStream, updateAsciiStream, updateAsciiStream, updateAsciiStream, updateBigDecimal, updateBigDecimal, updateBinaryStream, updateBinaryStream, updateBinaryStream, updateBinaryStream, updateBinaryStream, updateBinaryStream, updateBlob, updateBlob, updateBlob, updateBlob, updateBlob, updateBlob, updateBoolean, updateBoolean, updateByte, updateByte, updateBytes, updateBytes, updateCharacterStream, updateCharacterStream, updateCharacterStream, updateCharacterStream, updateCharacterStream, updateCharacterStream, updateClob, updateClob, updateClob, updateClob, updateClob, updateClob, updateDate, updateDate, updateDouble, updateDouble, updateFloat, updateFloat, updateInt, updateInt, updateLong, updateLong, updateNCharacterStream, updateNCharacterStream, updateNCharacterStream, updateNCharacterStream, updateNClob, updateNClob, updateNClob, updateNClob, updateNClob, updateNClob, updateNString, updateNString, updateNull, updateNull, updateObject, updateObject, updateObject, updateObject, updateRef, updateRef, updateRow, updateRowId, updateRowId, updateShort, updateShort, updateSQLXML, updateSQLXML, updateString, updateString, updateTime, updateTime, updateTimestamp, updateTimestamp, wasNull

�ӽӿ� java.sql.Wrapper �̳еķ��
`isWrapperFor, unwrap`

�ӽӿ� javax.sql.rowset.Joinable �̳еķ��
`getMatchColumnIndexes, getMatchColumnNames, setMatchColumn, setMatchColumn, setMatchColumn, setMatchColumn, unsetMatchColumn, unsetMatchColumn, unsetMatchColumn, unsetMatchColumn`

�ֶ��ϸ��Ϣ

PUBLIC_XML_SCHEMA

static final String PUBLIC_XML_SCHEMA

Ϊ WebRowSet ʵ�ֶ�� XML ��Ǽ��Чֵ�� XML ģʽ��Ĺ��ʶ��

��μ��: ��ֶ�ֵ

SCHEMA_SYSTEM_ID

static final String SCHEMA_SYSTEM_ID

Ϊ WebRowSet ʵ�ֶ�� XML ��Ǽ��Чֵ�� XML ģʽ�� URL��

��μ��: ��ֶ�ֵ

��ϸ��Ϣ

readXml

void readXml(Reader reader)
             throws SQLException

�Ӹ�� Reader �� XML ��ʽ��ȡ WebRowSet ��

��: reader - �� WebRowSet �� java.io.Reader ��
�׳��: SQLException - ��ݿ��ʴ��

readXml

void readXml(InputStream iStream)
             throws SQLException,
                    IOException

��ȡ�� XML ��룬�� WebRowSet ��

��: iStream - �� WebRowSet �� java.io.InputStream
�׳��: SQLException - ��Դ��ʴ��; IOException - �� IO �쳣

writeXml

void writeXml(ResultSet rs,
              Writer writer)
              throws SQLException

ʹ�ø�� ResultSet �� WebRowSet ��󣬲�� XML ��ʽ��ݡ��Ժ�Ԫ��д�� Writer ��

ע��ƶ� WebRowSet ָ�뽫��д�� XML ��Դ�С��ַ�ʽʵ�֣��ڵ�� writeXml() ֮ǰָ�����ȷ��λ�á�

��: rs - �� WebRowSet �� ResultSet ��; writer - Ҫд�� java.io.Writer ��
�׳��: SQLException - �� XML ��ʽд�� rowset ��ʱ��

writeXml

void writeXml(ResultSet rs,
              OutputStream oStream)
              throws SQLException,
                     IOException

ʹ�ø�� ResultSet �� WebRowSet ��󣬲�� XML ��ʽ��ݡ��Ժ�Ԫ��д�� OutputStream ��

ע��ƶ� WebRowSet ָ�뽫��д�� XML ��Դ�С��ַ�ʽʵ�֣��ڵ�� writeXml() ֮ǰ���Ƚ�ָ�뷵��λ�á�

��: rs - �� WebRowSet �� ResultSet ��; oStream - Ҫд�� java.io.OutputStream
�׳��: SQLException - ��Դ��ʴ��; IOException - �� IO �쳣

writeXml

void writeXml(Writer writer)
              throws SQLException

�� XML ��ʽ�� WebRowSet ��ݡ��Ժ�Ԫ��д�� Writer ��

��: writer - Ҫд�� java.io.Writer ��
�׳��: SQLException - ��ڽ� rowset ��д�� XML ʱ��

writeXml

void writeXml(OutputStream oStream)
              throws SQLException,
                     IOException

�� XML ��ʽ�� WebRowSet ��ݡ��Ժ�Ԫ��д�� OutputStream ��

��: oStream - Ҫд�� java.io.OutputStream ��
�׳��: SQLException - ��Դ��ʴ��; IOException - �� IO �쳣

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Java^TM Platform
Standard Ed. 6

��һ�� ��һ��

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ժҪ�� Ƕ�� | �ֶ� | ��췽�� | ��

��ϸ��Ϣ�� ֶ� | ��췽�� | ��

�ύ��
�йظ�� API �ο��ϺͿ��Ա�ĵ�� Java SE ��Ա�ĵ��ĵ��ϸ�ġ��򿪷��Ա��Լ��ﶨ�塢ʹ�ü��ɺ͹��ʾ��

��Ȩ�� 2007 Sun Microsystems, Inc. ��Ȩ�� ֤��ĵ��·ַ��

javax.sql.rowset �ӿ� WebRowSet

1.0 ����

2.0 WebRowSet ״̬

2.1 ״̬ 1 - �� WebRowSet �������Ϊ XML

2.2 ״̬ 2 - ɾ����

2.3 ״̬ 3 - ������

2.4 ״̬ 4 - �޸���

PUBLIC_XML_SCHEMA

SCHEMA_SYSTEM_ID

readXml

readXml

writeXml

writeXml

writeXml

writeXml

javax.sql.rowset
�ӿ� WebRowSet

1.0 ��

2.1 ״̬ 1 - �� `WebRowSet` ��Ϊ XML

2.2 ״̬ 2 - ɾ��

2.3 ״̬ 3 - ��

2.4 ״̬ 4 - �޸��