Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

java oracle sql±äÁ¿ ÈçºÎ°ó¶¨

SQL code:

String query = "select * from test where name =: na



ÈçÉÏsql Óï¾ä ÔÚjavaÖÐ ÓÃ
session.createSQLQuery(query);
query.setString("na", "Xionghong")
....
ÕâÑùдÊÇ¿ÉÒԵġ£
µ«Èç¹ûÎÒµÄqueryµÄ²éѯÌõ¼þÊÇ like ¶ø²»ÊÇ = ÈçºÎд¡£¿ÉÒÔÔÚjavaÖа󶨱äÁ¿

String query = "select * from test where name like ?

query.setString(1, "%Xionghong%")

¶÷¡£ÕâÑùд¿ÉÒԵġ£µ«ÎÒÏ£ÍûÊÇÉèÖð󶨱äÁ¿ ÒòΪÎÒÓкܶà¸ö ±äÁ¿°ó¶¨ ¶øÇÒ»¹ÓÐÌõ¼þÏÞÖÆ

Java code:

private String buildQuery(Map<String, Object> map) {
StringBuffer strBuff = new StringBuff();
if(map.contains("name")) {
map.append(" and t.name like '%").append(map.get("name")).append("%'");
}
if(map.contains("age")) {
map.append...
}
...
return strBuff.toString();
}
private int getCount(Map<String, Object> map) {
BigDecimal resultCount = null;
Session hibernateSession = getSession();
try {
String countSql = "select count(*) from Test t where 1 = 1 ".concat(this.buildQuery(map));
resultCount = (BigDecimal) hibernate.createSQLQuery(countSql);
i


Ïà¹ØÎÊ´ð£º

JSP/Servlet½»»¥ - Java / Web ¿ª·¢

JSPÒ³ÃæÖÐÓжà¸öradio°´Å¥
  JSPÒ³Ãæ½«²ÎÊýPOST¸øservlet
  
  ÒªÇóÈçÏÂ;
  1.Ñ¡ÔñÒ»¸öradio£¬µ÷ÓÃservlet servletÖиù¾Ý²ÎÊýµ÷ÓÃÆäËû½Ó¿Ú£¬³ý·ÇÑ¡ÖиÃradio²¢µã»÷JSPÖеÄʵР......

oracle 9i ×î½ü·¢Ïֵǽ±¨´í - Oracle / »ù´¡ºÍ¹ÜÀí

ÓÃPL/SQL µÇ½ʱµ¯³ö±¨´í´°¿Ú£¬´íÎóÈçÏ£¡
  ORA-01034:ORACLE not available
  ORA-27101:shared memory realm does not exist
ÇëÎÊ£¬ÓÐûÓÐÈËÓöµ½ÕâÖÖÇé¿ö£¬Ôõô½â¾ö£¿Ð»Ð»£¡

1. Oracle sid ÕýÈ ......

Ò»µÀjavaÌâÄ¿£¬µÈ´ý´ó¼Ò¸øÓè½â´ð~~ - Java / Java EE

ÌâÄ¿£º
  ÓÐ1,2,3£¬4,5,6Áù¸öÊý×ÖÅÅÐò£¬ÓÃjava³ÌÐò¼ÆËã³öÅÅÐòµÄÖÖÀà¡£
  ÒªÇó£ºÒ»£¬ÒÔ4¿ªÍ·
  ¶þ£¬2,3²»ÄÜÏàÁÚ
  Èý£¬²»ÄÜÒÔ5¿ªÍ·
  Ï£Íû´ó¼ÒÄܼ´ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ