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

JAVAÖÐOracleȡֵ

package com.svse.dao;
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
public class UserDAO {
/*
* javaµ÷Óô洢¹ý³Ì
*/
public int addUser(String username,int userage)
{
Connection conn = null;
int userid =0;
try {
Class.forName("oracle.jdbc.driver.OracleDriver");
conn = DriverManager.getConnection("jdbc:oracle:thin:@192.168.13.142:1521:ORCL","scott","tiger");
//µ÷Óùý³Ì
CallableStatement cs = conn.prepareCall("{ call proc_addUser(?,?,?) }");
cs.setString(1, username);
cs.setInt(2, userage);
//¶ÔÓÚÊä³ö²ÎÊý ÄÇôÐèÒª»ñÈ¡ËüµÄÖµ
//1 ÐèҪע²á¸Ã²ÎÊýµÄ ÀàÐÍ
cs.registerOutParameter(3, java.sql.Types.INTEGER);
//µ÷Óô洢¹ý³Ì
cs.execute();
//»ñÈ¡´æ´¢µÄÊä³ö²ÎÊý
userid = cs.getInt(3);
conn.close();

} catch (Exception e) {
e.printStackTrace();
}
return userid;


}

public static void main(String[] args) {
UserDAO dao = new UserDAO();
int userid = dao.addUser("ÍõÂé×Ó",19);
System.out.println(userid);
}


}


Ïà¹ØÎĵµ£º

Java×Ö·û´®º¯Êý¼¯½õ


javaÖеÄ×Ö·û´®Ò²ÊÇÒ»Á¬´®µÄ×Ö·û¡£µ«ÊÇÓëÐí¶àÆäËûµÄ¼ÆËã»úÓïÑÔ½«×Ö·û´®×÷Ϊ×Ö·ûÊý×é´¦Àí²»Í¬£¬Java½«×Ö·û´®×÷ΪStringÀàÐͶÔÏóÀ´´¦Àí¡£½«×Ö·û´®×÷ΪÄÚÖõĶÔÏó´¦ÀíÔÊÐíJavaÌṩʮ·Ö·á¸»µÄ¹¦ÄÜÌØÐÔÒÔ·½±ã´¦Àí×Ö·û´®¡£ÏÂÃæÊÇһЩʹÓÃÆµÂʱȽϸߵĺ¯Êý¼°ÆäÏà¹ØËµÃ÷¡£
StringÏà¹Øº¯Êý
1)substring()
ËüÓÐÁ½ÖÖÐÎʽ£¬µÚÒ»ÖÖ ......

JAVAÖ®IOÁ÷(³¬ÏêϸµÄJava.io°üµÄ½éÉÜ!)

JAVAÖ®IOÁ÷(³¬ÏêϸµÄJava.io°üµÄ½éÉÜ!)
Ò».InputºÍOutput
1.stream´ú±íµÄÊÇÈκÎÓÐÄÜÁ¦²ú³öÊý¾ÝµÄÊý¾ÝÔ´£¬»òÊÇÈκÎÓÐÄÜÁ¦½ÓÊÕÊý¾ÝµÄ½ÓÊÕÔ´¡£
ÔÚJavaµÄIOÖУ¬ËùÓеÄstream£¨°üÀ¨InputºÍOut stream£©¶¼°üÀ¨Á½ÖÖÀàÐÍ£º
1.1 ÒÔ×Ö½ÚΪµ¼ÏòµÄstream
ÒÔ×Ö½ÚΪµ¼ÏòµÄstream£¬±íʾÒÔ×Ö½ÚΪµ¥Î»´ÓstreamÖжÁÈ¡»òÍùstreamÖÐдÈëÐÅÏ ......

java thisºÍsuper¹Ø¼ü×Ö ÓÐʲô×÷ÓÃ

±¾ÎÄÔ­Ö·£ºhttp://www.hbzxr.com/web/36/2027736-1138928.html
 
java thisºÍsuper¹Ø¼ü×Ö ÓÐʲô×÷ÓóÉÔ±º¯ÊýÖж¨ÒåÁ˺ͳÉÔ±±äÁ¿ÖÐÏàͬµÄ±äÁ¿Ê±£¬ÒýÓóÉÔ±±äÁ¿ÒªÓÃthis. ¹¹Ô캯ÊýÖе÷ÓÃͬһ¸öÀàµÄÆäËû¹¹Ô캯ÊýʱÓÃthis ×ÓÀàÖи²¸ÇÁËÓÚ¸¸Àà³ÉÔ±±äÁ¿»ò³ÉÔ±º¯Êýʱ£¬ÔÚ×ÓÀàÖе÷Óø¸ÀàµÄ±äÁ¿»òº¯ÊýÒªÓÃsuper ×ÓÀàµÄ¹¹Ô캯 ......

javaÃæÊÔ³£¼ûÎÊÌâ


1 ¡¢ÃæÏò¶ÔÏóµÄÌØÕ÷ÓÐÄÄЩ·½Ãæ
1.³éÏó£º
³éÏó¾ÍÊǺöÂÔÒ»¸öÖ÷ÌâÖÐÓ뵱ǰĿ±êÎ޹صÄÄÇЩ·½Ã棬ÒÔ±ã¸ü³ä·ÖµØ×¢ÒâÓ뵱ǰĿ±êÓйصķ½Ãæ¡£³éÏó²¢²»´òËãÁ˽âÈ«²¿ÎÊÌ⣬¶øÖ»ÊÇÑ¡ÔñÆäÖеÄÒ»²¿·Ö£¬ÔÝʱ²»Óò¿·Öϸ½Ú¡£³éÏó°üÀ¨Á½¸ö·½Ã棬һÊǹý³Ì³éÏ󣬶þÊÇÊý¾Ý³éÏó¡£
2.¼Ì³Ð£º
¼Ì³ÐÊÇÒ»ÖÖÁª½áÀàµÄ²ã´ÎÄ£ÐÍ£¬²¢ÇÒÔÊÐíºÍ¹ÄÀøÀൠ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ