¶ÔoracleÊý¾Ý¿âÖÐCLOB×ֶεÄÏà¹Ø²Ù×÷
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
/**
* ´Ë´¦²åÈëÀàÐÍ˵Ã÷¡£
* ´´½¨ÈÕÆÚ£º(2001/11/30 14:55:06)
* @author£ºzhubin
*/
public class BLOBUtil {
/**
* ¹¦ÄÜ˵Ã÷£º±àÂ뷽ʽ
* È¡Öµ·¶Î§£º
* ÒÀÀµÊôÐÔ£º
* ×îºóÐÞ¸Äʱ¼ä£º(2002-2-27 15:30:40)
*/
private static String codeSet;
/**
* ´Ë´¦²åÈë·½·¨ËµÃ÷¡£
* ´´½¨ÈÕÆÚ£º(2001/11/30 14:58:15)
* @return java.lang.String
* @param result java.sql.ResultSet
* @param index int
*/
public static String readBLOB(ResultSet result, int index) throws IOException,
SQLException
{
String strValue = null;
// ¶ÔÓÚSQL NULL£¬·½·¨getBinaryStream½«·µ»Ønull
InputStream in = result.getBinaryStream(index);
if (in == null) {
return "";
}
byte[] ba = new byte[8192];
ByteArrayOutputStream b = new ByteArrayOutputStream();
int i;
while((i = in.read(ba)) != -1){
b.write(ba, 0, i);
}
try{
strValue = b.toString(codeSet);
}catch(Exception e){
strValue = b.toString();
}
return strValue;
}
/**
* ´Ë´¦²åÈë·½·¨ËµÃ÷¡£
* ´´½¨ÈÕÆÚ£º(2001/11/30 14:59:52)
* @return java.lang.String
* @param result java.sql.ResultSet
* @param name java.lang.String
*/
public static String readBLOB(ResultSet result, String name) throws IOException,
SQLException
{
String strValue;
// ¶ÔÓÚSQL NULL£¬·½·¨getBinaryStream½«·µ»Ønull
InputStream in = result.getBinaryStream(name);
if (in == null) {
return "";
}
byte[] ba = new byte[8192];
ByteArrayOutputStream b = new ByteArrayOutputStream();
int i;
while((i = in.read(ba)) != -1){
b.write(ba, 0, i);
}
try{
strValue = b.toString(codeSet);
}catch(Exception e){
strValue = b.t
Ïà¹ØÎĵµ£º
Oracle×Ö·û´®´¦Àíº¯Êý
2008Äê10ÔÂ18ÈÕ ÐÇÆÚÁù 23:45
ÏîÄ¿ÖÐÓÐÉæ¼°´æ´¢¹ý³Ì¶Ô×Ö·û´®µÄ´¦Àí£¬ËùÒԾͽ«ÔÚÍøÉϲéÕÒµ½µÄ×ÊÁÏ»ã×Ü£¬×öÒ»¸öÐÅϢƴ½ÓʽµÄ×ܽᡣ
ÒÔÏÂÐÅÏ¢¾ùÀ´×Ô»¥ÁªÍø£¬Ìù³öÀ´Ò»Ôò×Ô¼º±£´æÒÔ´ýÒÔºóʹÓã¬Ò»Ôò¹©´ó¼Ò·ÖÏí¡£
×Ö·ûº¯Êý——·µ»Ø×Ö·ûÖµ
ÕâЩº¯ÊýÈ«¶¼½ÓÊÕµÄÊÇ×Ö·û×åÀàÐ͵IJÎÊý(CHR³ýÍâ)²¢ ......
Ò»¡¢ ROWIDµÄ¸ÅÄî
¡¡¡¡´æ´¢
ÁËrowÔÚÊý¾ÝÎļþÖеľßÌåλÖãº64λ±àÂëµÄÊý¾Ý£¬A-Z, a-z, 0-9, +, ºÍ /£¬
¡¡¡¡rowÔÚÊý¾Ý¿éÖеĴ洢
·½Ê½
¡¡¡¡SELECT ROWID, last_name from hr.employees WHERE department_id = 20;
¡¡¡¡±ÈÈ磺OOOOOOFFFBBBBBBRRR
¡¡¡¡OOOOOO£ºdata object number, ¶ÔÓ¦dba_objects.data_object_id
¡¡¡ ......
ÔÚOracleÊÇÌṩÁËnext_dayÇóÖ¸¶¨ÈÕÆÚµÄÏÂÒ»¸öÈÕÆÚ.
Óï·¨ : next_day( date, weekday )
date is used to find the next weekday.
weekday is a day of the week (ie: SUNDAY, MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, SATURDAY)
¿ÉÓÃÓÚ:
Oracle 9i, Oracle 10g, Oracle 11g
For example:
next_day('01- ......
ÖйúµçÁ¦ÐÐҵĿǰÕýÔÚ¾Àúמ޴óµÄ±ä»¯£º´Ó¹ú¼Ò°ìµçµ½ÆóÒµ°ìµç£¬ÐγÉÁ˶à¼Ò¾ºÕù°ìµçµÄ¸ñ¾Ö£»³§Íø·Ö¿ª¡¢¾º¼ÛÉÏÍø£¬´Ó¼Æ»®µ½Êг¡×ª¹ì£¬ÒýÈë¶àÖÖ¾¼Ã³É·Ö£»´ÓµØÓòÐÔ·ÖÉ¢¹©µçÏò´óµçÍø·¢Õ¹£»´ÓÕþÆó²»·Öµ½ÕþÆó·Ö¿ª¡£ÕâЩ±ä»¯£¬Ê¹ÖйúµÄµçÁ¦ÐÐÒµ¾ÊÜ×ÅÇ°ËùδÓеÄѹÁ¦¡£
Ò»·½Ã棬2003Äê¹úÄڵķ¢µçÆóÒµÖØиÄ×é£ ......
Ò»¡¢java·ÃÎÊÖÐÎÄOracleÊý¾Ý¿âÉÏÁ¬½ÓµÄUS7ASCIIÊý¾Ý¿â
1¡¢¶Á·½·¨
public String convertLink_DB(String s) {
if(s != null){
try{
byte[] b = s.getBytes();
for(int i=0; i<b.length; i++){
b[i] ......