java servlet ÂÒÂë
javaдÎļþÂÒÂë
StringBuffer sb = new StringBuffer();
sb.append("<table border=\"0\" width=\"100%\" cellpadding=\"0\" cellspacing=\"1\" bgcolor=\"b5d6e6\"");
sb.append("<tr>");
sb.append("<td bgcolor=\"#FFFFFE\" height=\"42\" colspan=\""+ (jsd.size()+1) +"\" align=\"center\"><b>" + dataSet.getTitle() + "</b></td>");
sb.append("</tr>");
sb.append("</tr>");
sb.append("</table>");
return sb.toString();
½â¾ö·½·¨
ʹÓÃ
public static String ISOToInnerCode(String str) {
if (str == null)
return null;
try {
str = (new String(str.getBytes("ISO-8859-1"), "UTF-8")).trim();
} catch (Exception ex) {
}
return str;
}
ÈôÊÇÔÚservletÖÐÔòʹÓÃ
request.setCharacterEncoding("UTF-8");
response.setContentType("text/html;charset=utf-8");
PrintWrite out=response.getWrite();
Èç¹ûÊÇ
OutputStream out = response.getOutputStream();
Êä³öʱÓÃout.write(Content.getBytes("utf-8"));¼´Ôö¼ÓÒ»ÖÖ±àÂë utf-8Ò²¿É¸Ä³ÉÆäËû±àÂëgbk,gb2312µÈ ÒÀ×Ô¼ºÇé¿ö¶ø¶¨
Èç¹û½ÓÊÜ´«²ÎÊýʱÂÒÂë Ö»Ðè°Ñ response.setContentType("text/html;charset=utf-8");
¸Ä³Éresponse.setCharacterEncoding("UTF-8");
Ïà¹ØÎĵµ£º
¡¡1¡¢FACTORY—×·MMÉÙ²»ÁËÇë³Ô·¹ÁË£¬Âóµ±À͵靈áºÍ¿ÏµÂ»ùµÄ¼¦³á¶¼ÊÇMM°®³ÔµÄ¶«Î÷£¬ËäÈ»¿ÚζÓÐËù²»Í¬£¬µ«²»¹ÜÄã´øMMÈ¥Âóµ±ÀÍ»ò¿ÏµÂ»ù£¬Ö»¹ÜÏò·þÎñԱ˵“À´Ëĸö¼¦³á”¾ÍÐÐÁË¡£Âóµ±ÀͺͿϵ»ù¾ÍÊÇÉú²ú¼¦³áµÄFactory
¡¡¡¡¹¤³§Ä£Ê½£º¿Í»§ÀàºÍ¹¤³§Àà·Ö¿ª¡£Ïû·ÑÕßÈκÎʱºòÐèҪijÖÖ²úÆ·£¬Ö»ÐèÏò¹¤³§ÇëÇó¼´¿É¡£Ïû· ......
±¾ÎĵÄÄ¿±êÊÇÉè¼ÆÒ»¸ö»ùÓÚSwingµÄJTextAreaÏÔʾ¿ØÖÆÌ¨Êä³ö¡£´ËÆÚ¼ä£¬ÎÒÃÇ»¹½«ÌÖÂÛһЩºÍJava¹ÜµÀÁ÷£¨PipedInputStreamºÍPipedOutputStream£©ÓйصÄ×¢ÒâÊÂÏî¡£×îºó»¹Òª´´½¨Ò»¸öÄܹ»²¶»ñºÍÏÔʾÆäËû³ÌÐò£¨¿ÉÒÔÊÇ·ÇJavaµÄ³ÌÐò£©¿ØÖÆÌ¨Êä³öµÄ¼òµ¥³ÌÐò¡£
Ò»¡¢Java¹ÜµÀÁ÷
ÒªÔÚÎı¾ ......
Èç¹ûÒªÔËÐÐjava³ÌÐò¾Í±ØÐë°²×°JRE£¨Java Runtime Environment)
Èç¹ûÒª¿ª·¢java³ÌÐò¾Í±ØÐë°²×°JDK£¨Java Develope Kit)
£¬×¢ÒâJDKÖаüÀ¨ÁËJRE¡£
°²×°Íê³Éºó£¬ÐèÒªÐÞ¸Äϵͳ»·¾³±äÁ¿PATH·½·¨£¬²ÅÄÜʹϵͳ֪µÀµ½ÄÄÀïÈ¥ÕÒjavacµÈÏà¹Ø±àÒëÐèÒªµÄÃüÁ·½·¨ÈçÏ£º
1¡¢ÓÒ¼üµ¥»÷ÎҵĵçÄÔ£¬Ñ¡‘ÊôÐÔ’²Ëµ¥£¬ÔÚµ¯³öµÄ¶Ô» ......
1.java static inner class ºÍ non-static inner classµÄÇø±ð?
2.Çëд³öÒ»¸ösingletonģʽµÄclass.
ÄãÈç¹ûд³öÏÂÃæµÄ2ÖÖÑùʽ,ÎÒ»áÎÊÄã:ÇëÎÊÄãÈçºÎÔÚͬһ¸öjvmÖв¢ÇÒÔÚͬһ¸öclassLoaderÖеõ½ËüµÄ¶à¸öʵÀý?(Çë²»ÒªÆæ¹Ö)
ÑùÁÐ1:
public class Singleton {
private final static Singleton instance= ......
package info.gnuhpc;
/**
* @author gnuhpc email: warmbupt@gmail.com blog: http://gnuhpc.info
* @date 2010-1-22
* @bugs ²»Ö§³Ö¶àÒô×Ö´¦Àí
*/
public class PinyinConv {
// ¼òÌåÖÐÎĵıàÂ뷶Χ´ÓB0A1£¨45217£©Ò»Ö±µ½F7FE£¨63486£©
private static int BEGIN = 45217;
private static int ......