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

JavaÐÅÏ¢Ìáʾ¿ò - Java / Java SE

private void jButton2ActionPerformed(java.awt.event.ActionEvent evt) {
  Connection conn=DBUtil.getConnection();
  Statement stmt=null;
  try{
  stmt=conn.createStatement();
  String sql="select * from user";
  ResultSet rs = stmt.executeQuery(sql);
  while (rs.next()) {
if(jTextField1.getText().equals(rs.getString("username"))){ 
  JOptionPane.showMessageDialog(null,"¸ÃÓû§ÃûÒѾ­´æÔÚ£¬²»¿ÉÒÔʹÓá£");
  }else if(jTextField1.getText().equals("")){
  JOptionPane.showMessageDialog(null,"Óû§Ãû²»ÄÜΪ¿Õ£¬ÇëÖØÐÂÌîд£¡");
  }else if(!jTextField1.getText().equals(rs.getString("username"))){
  JOptionPane.showMessageDialog(null,"¸ÃÓû§Ãû²»´æÔÚ£¬¿ÉÒÔʹÓá£");
  }
  }

  }catch(SQLException e){
  e.printStackTrace();
  }finally{
  try{
  stmt.close();
  DBUtil.close(conn);
  }catch(SQLException e){
  e.printStackTrace();
  }
  }
  }
ÕâÀïµÄwhileÓï¾ä¶ÔÐÅÏ¢Ìáʾ¿ò(³öÏÖ´ÎÊý)ÓÐÓ°Ï죬Äܲ


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......

JAVAµç×Ӵʵ䣿 - Java / Java SE

¸÷·´óÏÀ¸ø¸ö˼·£¬²»ÊÇÔÚÏßµÄÄÇÖÖ£¬¾ÍÊÇÒ»¸ö×öÆÕͨµÄÓ¦ÓóÌÐò¡£


´Ê¿âÔõôÉú³ÉÄØ£¿

²»»á¡£

ÒýÓÃ
´Ê¿âÔõôÉú³ÉÄØ£¿
ÕÒ±¾×Öµä

ÒýÓÃ
´Ê¿âÔõôÉú³ÉÄØ£¿
Êý¾Ý¿â ºÇºÇ

ÓÃmap ¼üÖµ¶ÔÓ¦

Èç¹ûÓÃÊý¾Ý¿ ......

c/sºÍb/sÖ®¼äÔõôͨѶ. - Java / Web ¿ª·¢

ÔھƵê¹ÜÀíϵͳÖÐ,ÓÐÒ»¸ö¶ÔÄÚµÄϵͳ,¹©Ç°Ì¨·þÎñÔ±ºÍ¾­ÀíʹÓÃ
»¹ÓÐÒ»¸ö¾ÍÊǶÔÍâ,Èÿͻ§¿ÉÒÔÔÚÍøÉÏÔ¤¶©·¿¼ä,
ËüÃÇÖ®¼äÊÇÔõôͨѶµÄ.?µ±ÎÒÌá½»Ô¤¶©·¿¼äÐÅÏ¢µÄʱºò,
ÔÚ¶ÔÄÚµÄϵͳÖÐ,ÈçºÎÖªµÀÎÒÒѾ­Ìá½»ÁËÐÅÏ¢¹ýÈ¥.Ê¹Ç ......

Ä£Äâhref µÄ cssÑùʽ - Java / Web ¿ª·¢

ÏÖÔÚ²»ÏëÓÃ<a> </a> ±êÇ© £¬ÒòΪµã»÷ºó»á³öÏÖÒ³ÃæÖØ¶¨Î»£¬¸øÎÄ×Ö¼ÓÉÏcssÑùʽ¾Í¿ÉÒÔ¿´ÆðÀ´ ÊÇhrefÔõôʵÏÖÕâÑùµÄcss
text-decoration:underline; cursor:hand;

ÒýÓÃ
text-decoration:underline; cur ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ