JAVA SQLSERVERÊý¾Ý¿âÁ¬½Ó
package cn.ctgu.edu.ac;
import java.sql.*;
public class test {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
String url="jdbc:sqlserver://localhost:1433;Database=ÍøÉÏÊéµê¹ÜÀíϵͳ;integratedSecurity=true;"; //ÓÃwidowsÉí·ÝµÇ¼
String sql="select * from users";
Connection conn=null;
try
{
Class.forName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
conn=DriverManager.getConnection(url);
Statement state=conn.createStatement();
ResultSet rs=state.executeQuery(sql);
while(rs!=null&&rs.next())
{
System.out.println(rs.getString(1)+" "+rs.getString(2)+" "+rs.getString(3)+" "+rs.getString(4)+" "+rs.getString(5)+" "+rs.getString(6));
}
conn.close();
}
catch(Exception e)
{
e.printStackTrace();
}
}
}
Ïà¹ØÎĵµ£º
repaint ¶Ô×é¼þ½øÐÐÖØ»æ£¬±ÈÈçÒ»¸öpanel£¬µ±ÄãremoveµôpanelÀïÃæµÄÒ»¸ö×é¼þʱ£¬Äã±ØÐëµ÷ÓÃrepaint·½·¨²ÅÄܶÔpanel½øÐÐÖØ»æ£¬½øÐÐˢУ¬ÄãÏëҪɾ³ýµÄ×é¼þ²ÅÄÜÔÚ½çÃæÉÏÏûʧ¡£
revalidate ¶Ô×é¼þ½øÐÐÑéÖ¤£¬±ÈÈçÒ»¸öpanel£¬µ±ÄãremoveµôpanelÀïÃæµÄÒ»¸ö×é¼þʱ£¬µ±Äãµ÷ÓÃrevalidate·½·¨ºó£¬panelµÄ²¼ ......
½üÀ´ÔÚ×öJAVAʱÓõ½ÎļþµÄѹËõÓë½âѹ,ÆäÖÐÅöµ½Á˸öÎÊÌâ:ÏÈÓÃJAVA´úÂë´ò°üºÃµÄJARÎļþ¾¹ýC#µÄzlib´¦Àíºó,¾¹È»²»ÄÜÐÞ¸Ä!
ÍøÉÏÕÒÁ˺ÃЩ´úÂë¶¼²»¿ÉÐÐ,JAVA´´½¨µÄJAR°üÔÚÐ޸ĵÄʱºò¿ÉÒÔ·¢ÏÖ¿ªÊ¼Óиö·¾¶·û'/'»ò'\',ËäÈ»ÔÚ´Ë¿ÉÒÔÐÞ¸ÄJARÎļþ,µ«ÊÇ×ܾõµÃÒþ»¼³öÔÚÕâ,ºóÀ´µÄÊÂÊ ......
Java ¶àÏ̱߳à³ÌÖ®Èý£ºsynchronized ¹Ø¼ü×ÖµÄʹÓÃ
´øÓÐ synchronized ¹Ø¼ü×ֵķ½·¨´ú±íÕâ¸ö·½·¨¼ÓËø¡£Ç¡µ±¶øÓÖÁé»îµØÔËÓà synchronized ¹Ø¼ü×Ö£¬ÊǶàÏ̱߳à³ÌµÄ±ØÐ޿Ρ£
¡¡¡¡1¡¢synchronized¹Ø¼ü×ÖµÄ×÷ÓÃÓòÓжþÖÖ£º
¡¡¡¡1£©ÊÇij¸ö¶ÔÏóʵÀýÄÚ£¬synchronized aMethod(){}¿ÉÒÔ·ÀÖ¹¶à ......
pythonÕýÎÄ£º ºÍÆäËüÓïÑÔÒ»Ñù£¬ÎÒÃÇ¿ÉÒÔÒÔÃüÁîÐеÄÐÎʽ¸øÄãµÄpython³ÌÐò´«µÝ²ÎÊý£¬pyhtonÄܹ»×Ô¶¯°ÑÃüÁîÐвÎÊýÒÔ×Ö·û´®ÁбíµÄÐÎʽ´æ´¢ÔÚsysÄ£¿éµÄarv±äÁ¿¡£ok£¬ÎÒÃÇÏÈÀ´¿´¸öÀý³Ì£º
# ÎļþÃû: printargs.py
#ÓÃ;£ºÑÝʾpythonµÄ´«²Î
import sys
print sys.argv
ÔÚÃü ......