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

java³£ÓÃÕý則±í達ʽ

public class Regex {

/**
* ¼ì²éemailÊäÈëÊÇ·ñÕýÈ·
* ÕýÈ·µÄÊéд¸ñʽΪ username@domain
* @param value
* @return
*/
public boolean checkEmail(String value, int length) {
return value.matches("\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*")&&value.length()<=length;
}

/**
* ¼ì²éµç»°ÊäÈëÊÇ·ñÕýÈ·
* ÕýÈ·¸ñʽ 012-87654321¡¢0123-87654321¡¢0123£­7654321
* @param value
* @return
*/
public boolean checkTel(String value) {
return value.matches("\\d{4}-\\d{8}|\\d{4}-\\d{7}|\\d(3)-\\d(8)");
}

/**
* ¼ì²éÊÖ»úÊäÈëÊÇ·ñÕýÈ·
*
* @param value
* @return
*/
public boolean checkMobile(String value) {
return value.matches("^[1][3,5]+\\d{9}");
}

/**
* ¼ì²éÖÐÎÄÃûÊäÈëÊÇ·ñÕýÈ·
*
* @param value
* @return
*/
public boolean checkChineseName(String value, int length) {
return value.matches("^[\u4e00-\u9fa5]+$")&&value.length()<=length;
}
/**
* ¼ì²éHTMLÖÐÊ×β¿ÕÐлò¿Õ¸ñ
* @param value
* @return
*/
public boolean checkBlank(String value){
return value.matches("^\\s*|\\s*$");
}
/**
* ¼ì²é×Ö·û´®ÊÇ·ñº¬ÓÐHTML±êÇ©
* @param value
* @return
*/

public boolean checkHtmlTag(String value){
return value.matches("<(\\S*?)[^>]*>.*?</\\1>|<.*? />");
}
/**
* ¼ì²éURLÊÇ·ñºÏ·¨
* @param value
* @return
*/
public boolean checkURL(String value){
return value.matches("[a-zA-z]+://[^\\s]*");
}
/**
* ¼ì²éIPÊÇ·ñºÏ·¨
* @param value
* @return
*/


Ïà¹ØÎĵµ£º

Java Ïß³Ì Thread ¶ÔÏóËøµÄwaitºÍnotify½âÎö

ͨ³££¬¶àÏß³ÌÖ®¼äÐèҪЭµ÷¹¤×÷¡£ÀýÈ磬ä¯ÀÀÆ÷µÄÒ»¸öÏÔʾͼƬµÄÏß³ÌdisplayThreadÏëÒªÖ´ÐÐÏÔʾͼƬµÄÈÎÎñ£¬±ØÐëµÈ´ýÏÂÔØÏß³ÌdownloadThread½«¸ÃͼƬÏÂÔØÍê±Ï¡£Èç¹ûͼƬ»¹Ã»ÓÐÏÂÔØÍ꣬displayThread¿ÉÒÔÔÝÍ££¬µ±downloadThreadÍê³ÉÁËÈÎÎñºó£¬ÔÙ֪ͨdisplayThread“ͼƬ׼±¸Íê±Ï£¬¿ÉÒÔÏÔʾÁË”£¬Õâʱ£¬displayThread ......

Java»ñÈ¡ÇëÇó¿Í»§¶ËµÄÕæÊµIPµØÖ·

ͨ³£Í¨¹ýrequest.getRemoteAddr()
È¡µÃ¿Í»§¶ËµÄIPµØÖ·£¬×ö¼øÈ¨ºÍУÑ飬Âß¼­Ã»ÎÊÌ⣬ÄÇô¿Ï¶¨request.getRemoteAddr()³öÁËÎÊÌ⣬googleÏ£¬·¢ÏÖÓÐÈËÓöµ½ÀàËÆµÄÎÊÌâ¡£
×îÖÕ¶¨Î»Îªrequest.getRemoteAddr()ÕâÖÖ·½·¨Ôڴ󲿷ÖÇé¿ö϶¼ÊÇÓÐЧµÄ¡£µ«ÊÇÔÚͨ¹ýÁËApache,SquidµÈ·´Ïò´úÀíÈí¼þ¾Í²»ÄÜ»ñÈ¡µ½¿Í»§¶ËµÄÕæÊµIPµØÖ·ÁË¡£
......

JAVA¼¸¸ö³£¼û´íÎó¼òÎö

1£¬¿ÕÖ¸Õë´íÎó java.lang.NullPointerException
ʹÓûù±¾µÄJAVAÊý¾ÝÀàÐÍ£¬±äÁ¿µÄֵҪôÒѾ­ÊÇĬÈÏÖµ£¬Èç¹ûûÓÐ¶ÔÆäÕý³£¸³Öµ£¬³ÌÐò±ã²»ÄÜͨ¹ý±àÒ룬Òò´ËʹÓûù±¾µÄJAVAÊý¾ÝÀàÐÍ
(double,float,boolean,char,int,long)Ò»°ã²»»áÒýÆð¿ÕÖ¸ÕëÒì³£¡£Óɴ˿ɼû£¬¿ÕÖ¸ÕëÒì³£Ö÷Òª¸úÓë¶ÔÏóµÄ²Ù×÷Ïà¹Ø¡£
ÏÂÃæÏÈÁгöÁË¿ÉÄÜ·¢Éú¿ÕÖ¸Õ ......

JAVAÍøÂçÓ¦ÓÃϵͳ¿ª·¢µÄÐÂ˼¿¼·½·¨

ÄãÒ²ÐíÊÇÒ»¸ö¹¤³Ìʦ£¬ÕýÔÚʹÓÃEJB¡¢Struts¡¢Hibernate¡¢SpringµÈ¸÷ÖÖ¹úÍâÁ÷ÐеĿò¼Ü¿ª·¢ÄãµÄϵͳÖеĸ÷¸ö²¿·Ö£¬ËüÃÇÖ®¼ä¿¿²»Í¬µÄÅäÖÃÎļþ¡¢½Ó¿Ú¡¢·þÎñÁ¬½ÓÔÚÒ»Æð£¬ÎªÕâЩ½Ó¿Ú¡¢ÅäÖᢷþÎñµÄ±àд¡¢µ÷Óã¬Í·ÌÛÂð£¿
ÄãÒ²ÐíÊÇÒ»¸öPM£¬ ÕýÔÚΪÄãµÄÏîÄ¿²ÉÓÃʲô¿ò¼Ü¡¢ÈçºÎ·Ö×é¡¢ÈçºÎЭµ÷¡¢¸÷ÖÖ¿ò¼ÜµÄÓÅÁÓ×öÆÀ¹À¡¢²âÊÔ£¬ÎªÄãµÄÓ¦Ó ......

java DOM ×¢ÒâÊÂÏî

1.  W3C°Ñ±êÇ©ÄÚµÄÎı¾²¿·ÖÒ²¶¨Òå³ÉÒ»¸öNode
2. 
Element¶ÔÏó´ú±íµÄÊÇXMLÎĵµÖеıêÇ©ÔªËØ
£¬¼Ì³ÐÓÚNode£¬ÒàÊÇNodeµÄ×îÖ÷ÒªµÄ×Ó¶ÔÏó
3.  Attrʵ¼ÊÉÏÊǰüº¬ÔÚElementÖеģ¬Ëü²¢²»Äܱ»¿´×÷ÊÇElementµÄ×Ó¶ÔÏó£¬Òò¶øÔÚDOMÖÐAttr²¢²»ÊÇDOMÊ÷µÄÒ»²¿·Ö£¬ËùÒÔNodeÖеĠ getparentNode()£¬getpreviousSiblin ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ