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

JAVAѧϰµÄÊý¾Ý¿âÁ¬½Ó£¬Àý×ÓÒ»Ö»¡­¡­

³õѧJAVA£¬ºÃ²»ÈÝÒ×½â¾öÁËÕâ¸öÊý¾Ý¿âÁ¬½ÓÎÊÌ⣬Õâ¸öÖ÷ÒªÊÇÓÐÁ½¸öÎÊÌ⣬һ¸öÊÇJDBC-odbcµÄÎÊÌ⣬Èç¹ûûÓнâ¾öºÃÊý¾ÝÔ´ÅäÖ㬾ø¶ÔÊÇÓÐÈÝÒ׳öÎÊÌâµÄ£¬¼ÙÉèÄãʹÓõÄÊÇaccessµÄÊý¾Ý¿â£¬ÕâÊÇÍøÉϵÄÒ»¸öÀý×ÓµÄÓï¾ä
String dburl="jdbc:odbc:driver={Microsoft Access Driver (*.mdb)};DBQ=database.mdb";
Æäʵ²¢²»ÐèÒªÄÇô³¤£¬¼ÙÉèÄãµÄÊý¾ÝÔ´ÃûΪbook,String dburl="jdbc:odbc:book";ÕâÑù¾ÍÄÜ·ÃÎÊÁË£¬ÉÏÃæµÄд·¨Ó¦¸ÃÒ²¿ÉÒÔ£¬µ«ÊDZ¾ÈËû³É¹¦£¬
¹À¼ÆÊÇÒòΪʹÓÃÁ˾ø¶Ô·¾¶µÄÔ­Òò¡£
ÎÒдÁ˰ëÌ죬ÒòΪÊǸö²ËÄñ£¬ËùÒÔʵÔÚÊÇÄÑÊÜ£¬×ÜËãд³ö¸öÄÜÓõÄÁ½¸öÊý¾Ý¿âµÄ²éѯµ÷Óã¬ÆäʵÔÚÕâÀïÎÒÖ»ÓÃÁËÒ»¸öÊý¾Ý¿â£¬²»¹ýÁ½¸öÒ²ÊÇÍêÈ«¿ÉÒԵġ£
ÕâÀï¾ÍÉæ¼°µ½ÁíÒ»¸öÎÊÌ⣬Êý¾ÝÀàÐ͵ÄÎÊÌ⣬ÎÒÊÇ×ÔѧµÄ£¬¶ÔÓÚÕâ¸öʵÔÚÊÇûÓо­Ñ飬Ȩµ±Êǽ»ÁËѧ·ÑÁË……Ô´´úÂëÈçÏ£º
import java.sql.*;
public class Sms {

String str1="";
public String myforum(){


try{

String strurl="jdbc:odbc:myforum";
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection conn=DriverManager.getConnection(strurl);
Statement stmt=conn.createStatement();
ResultSet rs=stmt.executeQuery("select id from tdcode WHERE sim='13461544271'");
while(rs.next()){
str1=rs.getString(1);
}
rs.close();
stmt.close();
}catch(Exception e){
}return str1;
}
public void myforum2(String str1){

try{

String strurl="jdbc:odbc:myforum";
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
Connection conn=DriverManager.getConnection(strurl);
Statement stmt=conn.createStatement();
ResultSet rs=stmt.executeQuery("select user from tdcode WHERE id="+str1+"");
while(rs.next()){
System.out.println(rs.getString(1));
}
rs.close();
stmt.close();
}catch(Exception e){
e.printStackTrace();
}
}

public void run(){

myforum();
myforum2(str1);


}
public static void main(Strin


Ïà¹ØÎĵµ£º

javaÈ«ÆÁ¶Àռģʽ

È«ÆÁ¶Àռģʽ
   ¾­³£Ê¹ÓÃDirectX APIµÄ³ÌÐòÔ±¿ÉÄܶÔÈ«ÆÁ¶ÀռģʽÒѾ­ºÜÊìϤÁË ¡£ËüÔÊÐí³ÌÐòԱͨ¹ýÐü¹Ò²Ù×÷ϵͳÀ´Ö±½ÓÔÚÆÁÄ»ÉϽøÐлæÖÆ¡£ÔÚ´«Í³µÄJava GUI ³ÌÐòÖУ¬ AWT ͨ¹ýʼþ·ÖÅÉÏ̺߳ÍÔÚÊʵ±µÄʱºòµ÷ÓÃ×é¼þµÄpaint()·½·¨À´´«ËÍÀ´×Ô²Ù×÷ϵͳµÄpaintʼþ¡£ÔÚÈ«ÆÁ¶ÀռģʽӦÓÃÖÐÄã¿ÉÒÔͨ¹ý³ÌÐò½øÐлæÖÆ¡£ ÁíÍâ ......

javaÖе÷Óô洢¹ý³Ì

public int ExecProcAdd()
        {
            SqlCommand cmd = new SqlCommand();
            cmd.CommandType = CommandType.StoredProcedu ......

java ÕýÔò±í´ïʽ

< type="text/javascript">  ÖÚËùÖÜÖª£¬ÔÚ³ÌÐò¿ª·¢ÖУ¬ÄÑÃâ»áÓöµ½ÐèҪƥÅä¡¢²éÕÒ¡¢Ìæ»»¡¢ÅжÏ×Ö·û´®µÄÇé¿ö·¢Éú£¬¶øÕâЩÇé¿öÓÐʱÓֱȽϸ´ÔÓ£¬Èç¹ûÓô¿±àÂ뷽ʽ½â¾ö£¬ÍùÍù»áÀ˷ѳÌÐòÔ±µÄʱ¼ä¼°¾«Á¦¡£Òò´Ë£¬Ñ§Ï°¼°Ê¹ÓÃÕýÔò±í´ïʽ£¬±ã³ÉÁ˽â¾öÕâһì¶ÜµÄÖ÷ÒªÊֶΡ£
 ´ó ¼Ò¶¼ÖªµÀ£¬ÕýÔò±í´ïʽÊÇÒ»ÖÖ¿ÉÒÔÓÃÓÚÄ£Ê ......

Javaͬ²½»úÖÆÊÕ¼¯×ܽá synchronized

ËäÈ»ºÜÉÙÓõ½Í¬²½£¬³öÓÚ¸öÈËÐËȤ×ÔѧÁËһϡ£ÏÖ¶ÔJAVAÖеÄͬ²½ÊÕ¼¯Ñ§Ï°µÄ¶«Î÷×ܽáһϣ¬ÈÃ×Ô¼º¼¼ÊõµÄÌõÀí»¯£¬Äܹ»³ÁµíÏÂÀ´¡£
 Í¬²½¾ÍÊÇ´®ÐÐʹÓÃһЩ×ÊÔ´.
JAVAÖÐsynchronized¹Ø¼ü×ÖÄܹ»×÷Ϊº¯ÊýµÄÐÞÊηû£¬Ò²¿É×÷Ϊº¯ÊýÄÚµÄÓï¾ä£¬Ò²¾ÍÊÇÆ½Ê±ËµµÄͬ²½·½·¨ºÍͬ²½Óï¾ä¿é¡£¼ÙÈçÔÙϸµÄ·ÖÀ࣬synchronized¿É×÷ÓÃÓÚinstance ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ