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

oracleµ÷ÓÃjava·½·¨µÄÀý×Ó

ÔÚoracleÖе÷ÓÃjava³ÌÐò,×¢Òâ:java·½·¨±ØÐëÊÇstaticÀàÐ͵Ä,Èç¹ûÏëÔÚJAVAÖÐʹÓÃsystem.out/errÊä³ölog.
ÐèÒªÔÚoracle ÖÐÖ´ÐÐ"call dbms_java.set_output(5000);".
Ò»¡¢helloWord
1 ±àдJAVA³ÌÐò,Ò²ÊÇÔÚSQL/PLUSÖÐд,²¢Ö´ÐÐ.
create or replace and compile java source named hello as
public     class   Hello    {
         static    public    String Message(String name)    {
            return     " Hello,   "    +    name;
        }
}
/
2 ·¢²¼JAVA³ÌÐò
create or replace function hello (name VARCHAR2 )   return    VARCHAR2
      as language java name
       ' Hello.Message (java.lang.String) return java.lang.String ' ;
/
3 ʹÓ÷¢ÃæµÄJAVA³ÌÐò
select hello( ' world! ' ) from dual;
HELLO( ' world! ' )
-- -------------
Hello world!
    
¶þ¡¢ÔÚJAVA³ÌÐòÖÐʹÓÃSQL
1 ±àдJAVA³ÌÐò
create or replace and compile java source named test as
import java.sql. * ;
import java. text .DateFormat;
import java. text .SimpleDateFormat;
import java.util. * ;
import java.util.Date;
import com.ccit.wcsmp.comm.vo.daovo.MBTResultVO;
import oracle.sql.ARRAY;
import oracle.sql.ArrayDescriptor;
public class Test
{
   static public String   message(String name) {
        String sql = " select sysdate as dd from dual";
        String tmpStr = null ;
        PreparedStatement pstmt = null ;
        ResultSet rs = null ;
        Connection conn = null ;
         try
 


Ïà¹ØÎĵµ£º

javaÈëÃÅ

 Javaѧϰ´ÓÈëÃŵ½¾«Í¨ 
Ò»¡¢ JDK (Java Development Kit) 
JDKÊÇÕû¸öJavaµÄºËÐÄ£¬°üÀ¨ÁËJavaÔËÐл·¾³£¨Java Runtime Envirnment£©£¬Ò»¶ÑJava¹¤¾ßºÍJava»ù´¡µÄÀà¿â(rt.jar)¡£²»ÂÛʲôJavaÓ¦Ó÷þÎñÆ÷ʵÖʶ¼ÊÇÄÚÖÃÁËij¸ö°æ±¾µÄJDK¡£Òò´ËÕÆÎÕJDKÊÇѧºÃJavaµÄµÚÒ»²½¡£×îÖ÷Á÷µÄJ ......

javaµ÷Óô洢¹ý³Ì£¨jdbc & hibernate£©

Ò»¡¢JDBCµ÷Óô洢¹ý³Ì
creat proc proc_select
¡¡¡¡@pid varchar(20)
¡¡¡¡@address varchar(20) output
¡¡¡¡as
¡¡¡¡select @address=address from userinfo where pid=@pid
¡¡¡¡go
¡¡¡¡ÓÃjavaµ÷ÓÃ:
¡¡¡¡class.forName(\"sun.jdbc.odbc.JdbcOdbcDriver\"); //¼ÓÔØÇý¶¯
¡¡¡¡Connection con=DriverManager.ge ......

ʹÓÃJava·¢ËÍPOST¡¢GETÇëÇó

 Ê¹ÓÃJava·¢ËÍGET¡¢POSTÇëÇó
——½ÚÑ¡×Ô¡¶·è¿ñJava½²Òå¡·
URLµÄopenConnection()·½·¨½«·µ»ØÒ»¸öURLConnection¶ÔÏ󣬸öÔÏó±íʾӦÓóÌÐòºÍ URL Ö®¼äµÄͨÐÅÁ´½Ó¡£³ÌÐò¿ÉÒÔͨ¹ýURLConnectionʵÀýÏò¸ÃURL·¢ËÍÇëÇó¡¢¶ÁÈ¡URLÒýÓõÄ×ÊÔ´¡£
ͨ³£´´½¨Ò»¸öºÍ URL µÄÁ¬½Ó£¬²¢·¢ËÍÇëÇó¡¢¶ÁÈ¡´Ë URL ÒýÓõÄ×ÊÔ´ÐèÒªÈçÏ ......

Java¶àÏ̵߳ÄÏà¹Ø»úÖÆ[z]

 Ò» Ï̵߳Ļù±¾¸ÅÄî
Ïß³ÌÊÇÒ»¸ö³ÌÐòÄÚ²¿µÄ˳Ðò¿ØÖÆÁ÷.Ò»¸ö½ø³ÌÏ൱ÓÚÒ»¸öÈÎÎñ,Ò»¸öÏß³ÌÏ൱ÓÚÒ»¸öÈÎÎñÖеÄÒ»ÌõÖ´Ðз¾¶.£»¶à½ø³Ì:ÔÚ²Ù×÷ϵͳÖÐÄÜͬʱÔËÐжà¸öÈÎÎñ (³ÌÐò)£»¶àÏß³Ì:ÔÚͬһ¸öÓ¦ÓóÌÐòÖÐÓжà¸ö˳ÐòÁ÷ͬʱִÐУ»JavaµÄÏß³ÌÊÇͨ¹ýjava.lang.ThreadÀàÀ´ÊµÏֵģ»JVMÆô¶¯Ê±»áÓÐÒ»¸öÓÉÖ÷·½·¨(public static voi ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ