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

java socketÎÊÌâ - Java / Java EE

Java code:

public class MyTask extends TimerTask{

public MyTask() { }
@Override
public void run() {
Socket s = null;
int flag=0;
try {
s=new Socket("192.168.0.150", 3456);
s.setSoTimeout(1000);
flag=1;
} catch (UnknownHostException e) {
flag=0;
System.out.println("ÕÒ²»µ½Ä¿±êÖ÷»ú......");
} catch (IOException e) {
System.out.println("ÕÒ²»µ½Ä¿±êÖ÷»ú......");
}finally
{
try {
if(s!=null)
{
s.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
if(flag==1)
{
System.out.println("SocketÁ¬½ÓÒѽ¨Á¢......");
}else if(flag==0)
{
System.out.println("ÕÒ²»µ½Ä¿±êÖ÷»ú......");
}else
{
System.out.println("δ֪´íÎó......");
}
}
}


ÉÏÃæÊÇÎÒÔÚ¶¨Ê±Æ÷ÈÎÎñÀïÃæÐ´µÄÒ»¸ösocketÁ¬½ÓµÄclient¶Ë£¬ÎÒÏë´¦ÀíËüÕÒ²»µ½server¶ËÄ¿±êÖ÷»úµÄÒì³££¬ÓÉÓÚÎҵĶ¨Ê±Æ÷ÊÇÿ2ÃëÖ´ÐÐÒ»´Î£¬ËùÒÔÎÒÏ£ÍûsocketÈç¹ûÁ¬½Ó³¬¹ý1Ãë¾ÍÖ±½Ó±¨³öÒì³££¬µ«s.setSoTimeout(1000);ºÃÏó²¢Ã»ÓдﵽÎÒÏëÒªµÄЧ¹û£¬ÄÄλ¸øÖ¸µãÏ£¬Ð»Ð»£¡
ÕâÊÇÄãµÄ³ÌÐòµÄ´úÂ룺


Ïà¹ØÎÊ´ð£º

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¿ ......

tomcat»·¾³ÏÂjsp±àÒë´íÎó£¬Çó½â£¡ - Java / Web ¿ª·¢

org.apache.jasper.JasperException: Unable to compile class for JSP: 
An error occurred at line: 52 in the jsp file: /vip_info.jsp
ÕË cannot be resolved
49: <table border="1& ......

Çó½ÌJSPÏîÄ¿ÖÐÔËÓÃÄ£°åµÄ¼¼Êõ - Java / Web ¿ª·¢

ÇëÎʸ÷λ¸ç¸ç½ã½ã£¬ÈçºÎÔËÓÃÏֳɵÄÄ£°åÀ´ÖÆ×÷ƯÁÁµÄJSPÍøÒ³Ñ½,»ØÕßÓзÖ!
×Ô¼º¶¥Ï£¬×ÜÓиßÊÖ°É,ÆÚ´ýÖÐ......


Èç¹ûÖ±½ÓÒýÓýøÈ¥

¿ÉÒÔÖ±½ÓÓÃjspµÄÖ¸ÁҲ¿ÉÒÔÓÃfreemarkÒýÓ㬼ǵøø·Ö

лл¸÷λÁË£¬¿´À´Î ......

javaÖеÄ×¢½â¿ÉÒÔÓÐÄÄЩ£¿ - Java / Java EE

È磺 @superwaring("unchecked");
Õâ¸öÀïÃæ¶¼¿ÉÒÔÈ¡ÄÄЩֵ°¡£¬»¹ÓÐÀàËÆµÄ @superwaring±êÇ©ÓÐÄÄЩ°¡
ûÓùý¡£¡£

¿´jeeµÄapi
javax.persistenceÀï
@superwaring("unchecked");Ö»ÊǺöÂÔ ......

jspºÍtomcatÎÊÌ⣬¿ì·èÁË - Java / Java EE

ÎÒдÁ˸öjspÒ³Ãæ£¬È»ºó¸Ä¶¯ÁËһϣ¬¸Ä¶¯µÄÄÚÈݾÍÊÇÔÚjspÒ³ÃæµÄjsº¯ÊýÀï¼ÓÁ˸öalert()Óï¾ä£¬µ«ÊÇÎÒ·ÃÎÊÕâ¸öÒ³ÃæÊ±£¬ËÀ»î¶¼ÊÇÔ­À´Ò³ÃæµÄÄÚÈÝ£¬ÎÒ¼ÓÁ˺ܶàalertº¯Êý»¹ÊÇû¸Ä¶¯Ç°µÄÒ³ÃæÄÚÈÝ£»tomcatÖØÆôÁË£¬Ò²ÖØÐ²¿ÊðÕâ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ