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

JSPÖеÄСÊýµãÔõôת»»³É°Ù·ÖºÅ°¡

ÀýÈç
String s=0.12  ת»»³É 12%
String a=0.125  ת»»³É 12.5%
String b=0.5    ת»»³É 50%
NumberFormat.getPercentInstance().format(s);

Java code:

java.text.NumberFormat nf=java.text.NumberFormat.getPercentInstance();
nf.setMinimumFractionDigits(2);
System.out.println(nf.format(0.125));



String.valueOf((Double.valueOf(a).doubleValue()*100)+"%");

×Ö·û´®µÄ»°£¬ÓÃÂ¥Éϵİɡ£


Ïà¹ØÎÊ´ð£º

¹ØÓÚjspÂÛ̳ - Java / Web ¿ª·¢

ÎÒÏÖÔÚÏëÓÃsshÕûºÏÀ´×öÒ»¸öÂÛ̳£¬µ«Êý¾Ý¿â·½Ãæ²»ÐУ¬ÎÒÖ÷Òª²»»áÉæ¼°Êý¾Ý¿â£¬²»ÖªµÀ·¢Ìû±í£¬ºÍ»ØÌû±íÒªÈçºÎÉè¼ÆºÍÇø·Ö¡£²»ÖªµÀË­ÓÐÒ»¸ö¼òµ¥µÄ˼·£¬À´Éè¼ÆÕâЩ±í¡£Ð»Ð»ÁË¡£
·¢ÌûºÍ»ØÌûÓÃͬһÕÅ±í ¡£·¢Ìû id user ......

¹ØÓÚjspµÄһЩСÎÊÌâ - Web ¿ª·¢ / JavaScript

ÎÊÌâ1.
 ÈçºÎͨ¹ýRandomAccessFileÀàµÄseek()·½·¨½«Ö¸ÕëÒÆ¶¯µ½Îļþĩ⣬ÔÙÓÃwriteChars(String s)½«Êý¾ÝдÈëij¸öÎĵµÎļþ
ÎÊÌâ2.
 StringTokenizerÊÇʲô¶«Î÷£¬¸ÉÂïÓõģ¿
  ÓÉÓÚСµÜ³õѧjs ......

jsÔÚjspÖв»Äܵ÷ÓÃÎÊÌâ¡£

jsÖеķ½·¨£¬²»ÄÜÔÚjspÖе÷ÓÃÔõô½â¾ö£¿¼±£¡£¡!
²»Ã÷°×Òâ˼

ºÃºÃ¼ì²éÊDz»ÊÇ·¾¶µÄÎÊÌ⣬ºÜÓпÉÄÜ·¾¶²»¶Ôµ¼Öµ÷Óò»µ½

Ìùһϵ÷ÓõĴúÂë¿´¿´°¡~~
ÓÐûÓÐÕýÈ·ÒýÓÃjs£¿º¯ÊýÓÐûÓгõʼ»¯£¿....

jsp´úÂë±¾À´¾ ......

ÔÚjspÖÐÓÃsessionÔõôʵÏÖ¹ºÂò¹¦ÄÜ - Java / Web ¿ª·¢

ÎÒÏë×ö¹»¹ºÎï³µÓÃsession µ«ÊDz»ÖªµÀÔõô»ñÈ¡¹ºÂòÊýÁ¿ Ë­ÓоßÌåµÄ´úÂëÂð Ï£ÍûÄܸîÉá

ÏÂÃæÊǹºÎï³µµÄºËÐÄ´úÂë 
ÓÐÁËÕâ¸ö ¾ÍÓ¦¸ÃÄܹ»×ö³öÀ´°É
Java code:

public void doPost(HttpServletRequest reque ......

Çë½Ì jspÉèÖÃÎÊÌâ

ÎÒÏÂÔØÁËjavaµ«ÕÒ²»µ½·ÅµÄλÖÃÁË£¬Ò²ÏÂÔØÁËtomcat¡£¸Ä»·¾³±äÊýµÄʱºòÐèÒªÕÒµ½java-homeºóÃæµÄλÖᣡ£ÎÒÔõô²ÅÄÜÕÒµ½ÄØ£¿
»¹ÓоÍÊÇÔõôÕÒµ½ÏÂÔØºÃÁ˵ĵ«Íü¼ÇλÖõÄÎļþÄØ£¿ÓÃ×¢²á±íÂð£¿
ºÃÏñ¸újspû¹ØÏµµÄ°É£¿£¿Ôõ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ