jspÂÒÂë½â¾ö´óÈ«(ת×ÔcsdnÒ»¸ßÊÖ)
jspÖÐÎÄÏÔʾÂÒÂë½â¾ö·½°¸2006-12-27 22:56
Ò»¡¢JSPÒ³ÃæÏÔʾÂÒÂë
¶þ¡¢±íµ¥Ìá½»ÖÐÎÄʱ³öÏÖÂÒÂë
Èý¡¢Êý¾Ý¿âÁ¬½Ó
´ó¼ÒÔÚJSPµÄ¿ª·¢¹ý³ÌÖУ¬¾³£³öÏÖÖÐÎÄÂÒÂëµÄÎÊÌ⣬¿ÉÄÜÒ»ÖÁÀ§ÈÅ×ÅÄú£¬ÎÒÏÖÔÚ°ÑÎÒÔÚJSP¿ª·¢ÖÐÓöµ½
µÄÖÐÎÄÂÒÂëµÄÎÊÌâ¼°½â¾ö°ì·¨Ð´³öÀ´¹©´ó¼Ò²Î¿¼¡£
Ò»¡¢JSPÒ³ÃæÏÔʾÂÒÂë
ÏÂÃæµÄÏÔʾҳÃæ(display.jsp)¾Í³öÏÖÂÒÂ룺
JSPµÄÖÐÎÄ´¦Àí
¶Ô²»Í¬µÄWEB·þÎñÆ÷ºÍ²»Í¬µÄJDK°æ±¾£¬´¦Àí½á¹û¾Í²»Ò»Ñù¡£ÔÒò£º·þÎñÆ÷ʹÓõıàÂ뷽ʽ²»Í¬ºÍä¯ÀÀÆ÷
¶Ô²»Í¬µÄ×Ö·ûÏÔʾ½á¹û²»Í¬¶øµ¼Öµġ£½â¾ö°ì·¨£ºÔÚJSPÒ³ÃæÖÐÖ¸¶¨±àÂ뷽ʽ(gb2312),¼´ÔÚÒ³ÃæµÄµÚÒ»
ÐмÓÉÏ£º£¬¾Í¿ÉÒÔÏû³ýÂÒÂëÁË¡£ÍêÕûÒ³ÃæÈçÏÂ
£º
JSPµÄÖÐÎÄ´¦Àí
¶þ¡¢±íµ¥Ìá½»ÖÐÎÄʱ³öÏÖÂÒÂë
ÏÂÃæÊÇÒ»¸öÌá½»Ò³Ãæ(submit.jsp)£¬´úÂëÈçÏ£º
JSPµÄÖÐÎÄ´¦Àí
ÏÂÃæÊÇ´¦ÀíÒ³Ãæ(process.jsp)´úÂ룺
JSPµÄÖÐÎÄ´¦Àí
Èç¹ûsubmit.jspÌá½»Ó¢ÎÄ×Ö·ûÄÜÕýÈ·ÏÔʾ£¬Èç¹ûÌá½»ÖÐÎÄʱ¾Í»á³öÏÖÂÒÂë¡£ÔÒò£ºä¯ÀÀÆ÷ĬÈÏʹÓÃUTF
-8±àÂ뷽ʽÀ´·¢ËÍÇëÇ󣬶øUTF- 8ºÍGB2312±àÂ뷽ʽ±íʾ×Ö·ûʱ²»Ò»Ñù£¬ÕâÑù¾Í³öÏÖÁ˲»ÄÜʶ±ð×Ö·û¡£
½â¾ö°ì·¨:ͨ¹ýrequest.seCharacterEncoding ("gb2312")¶ÔÇëÇó½øÐÐͳһ±àÂ룬¾ÍʵÏÖÁËÖÐÎĵÄÕý³£
ÏÔʾ¡£Ð޸ĺóµÄprocess.jsp´úÂëÈçÏ£º
JSPµÄÖÐÎÄ´¦Àí
Èý¡¢Êý¾Ý¿âÁ¬½Ó³öÏÖÂÒÂë
Ö»ÒªÉæ¼°ÖÐÎĵĵط½È«²¿ÊÇÂÒÂ룬½â¾ö°ì·¨£ºÔÚÊý¾Ý¿âµÄÊý¾Ý¿âURLÖмÓÉÏ
useUnicode=true&characterEncoding=GBK ¾ÍOKÁË¡£
ËÄ¡¢Êý¾Ý¿âµÄÏÔʾÂÒÂë
ÔÚmysql4.1.0ÖÐ,varcharÀàÐÍ£¬textÀàÐ;ͻá³öÏÖÖÐÎÄÂÒÂ룬¶ÔÓÚvarcharÀàÐÍ°ÑËüÉèΪbinaryÊôÐÔ¾Í
¿ÉÒÔ½â¾öÖÐÎÄÎÊÌ⣬¶ÔÓÚtextÀàÐ;ÍÒªÓÃÒ»¸ö±àÂëת»»ÀàÀ´´¦Àí£¬ÊµÏÖÈçÏ£º
public class Convert {
/** °ÑISO-8859-1Âëת»»³ÉGB2312
*/
public static String ISOtoGB(String iso){
String gb;
try{
if(iso.equals("") || iso == null){
return "";
}
else{
iso = iso.trim();
gb = new String(iso.getBytes("ISO-8859-1"),"GB2312");
return gb;
}
}
catch(Exception e){
System.err.print("±àÂëת»»´íÎó£º"+e.getMessage());
return "";
}
}
}
°ÑËü±àÒë³Éclass£¬¾Í¿ÉÒÔµ÷ÓÃConvertÀàµÄ¾²Ì¬·½·¨ISOtoGB()À´×ª»»±àÂë¡£
Èç¹ûÄ㻹ÓÐʲô²»¶®Ö®´¦£ºÎÒ¸ø´ó¼ÒÍƼöÒ»¸öºÃµÄJSP-JAVAÍøÕ¾£º
http://www.phy.hbnu.edu.cn/dsp/
×ܽ᣺
1. ÔÚjspÖÐÈç¹ûÖ¸¶¨ÁË£¬ÄÇôÔÚ¸ÄjspÖÐËùÓй¹Ôì
µÄString£¨²»ÊÇÒýÓã©£¬Èç¹û沒ÓÐÖ¸¶¨±àÂ룬ÄÇôÕâЩStringµÄ±àÂëÊÇ
Ïà¹ØÎĵµ£º
½ñÌìÔÚÈçÏ´úÂëÖУº
********************************************************
<p><font color="blue">²Ù×÷²½Ö裺1¡¢Ñ¡ÔñÊä³ö¿ÉÑ¡Ïî 2¡¢²éѯ 3¡¢Êä³ö
<br>
************************************************** ......
ÔÚÍøÉÏ¿´µ½ºÜ¶àÎÊÌâÊǹØÓÚÈçºÎѧϰjspµÄ£¬ÕýºÃÍøÉÏ¿´µ½Ò»Æª¹ØÓÚѧϰjspµÄÎÄÕ£¬¾ÍÕªÁËÒ»²¿·Ö·Òë¹ýÀ´£¬Ï£ÍûÄܶԴó¼ÒѧϰjspÓеãÖ¸µ¼¡£
¡¡¡¡Ò»¸öÆÕͨµÄ´íÎóÊÇ°ÑJSPµ±×÷¼ò»¯µÄ Java¡£Ëü²»ÊÇ£¬£¨ÊÂʵÉÏ, JSP ÊǼò»¯µÄ servlets ¡££©³ÌÐòԱͨ³£ÊÔ×ÅûÓÐѧϰҪÇóµÄÖ§³Ö¼¼ÇɶøÖ±½Óѧϰ JSP ¡£JSP ÊÇÒ»¸öÏνӼ¼Êõ£¬²¢Çҳɹ¦µØÁ¬½ ......
Ò» Ç°Ìá
Ï£Íû×îеļͼÔÚ¿ªÍ·¸øÄãµÄ±í½¨Á¢²éѯ£º
񡜧mytable
²éѯ£ºcreate or replace view as mytable_view from mytable order by id desc ÆäÖУ¬×îºÃʹÓÃÐòÁкÅcreate sequence mytable_sequence À´×Ô¶¯Ôö¼ÓÄãµÄ¼ ......
JSP¾ÅÖÖÄÚÖöÔÏñ£¬²»Óö¨Òå¿ÉÖ±½ÓʹÓãºrequest,ÇëÇó¶ÔÏó£»response,ÏìÓ¦¶ÔÏó£»pageContext,Ò³ÃæÉÏÏÂÎĶÔÏó£»session,»á»°¶ÔÏó£»application,Ó¦ÓóÌÐò¶ÔÏó£»out,Êä³ö¶ÔÏó£»config,ÅäÖöÔÏó£»page,Ò³Ãæ¶ÔÏó£»exception£¬ÀýÍâ¶ÔÏó¡£
......
jspÖÐʹÓÃjavabeanµÄÁ½µã×¢ÒâÊÂÏî
Ê×ÏÈÒ»µã£ºjavabeanÒ»¶¨Òª·ÅÔÚÃüÃû°üÀ²»ÄÜ·ÅÔÚĬÈÏ°üÀҲ¾ÍÊÇÔÚbeanÎļþµÄ¿ªÍ·Òªpackage¡¡pname;ÁË£¬Èç¹û²»·ÅÔÚÃüÃû°üÀï¶ø·ÅÔÚÁËĬÈÏ°üÀ×îºó½«±¨ÈçÏÂÕâÑùµÄ´íÎó£º
org.apache.jasper.JasperException: Unable to compile class for JSP:
An error occurred at line: 18 in the ......