jspÖÐÎÄÂÒÂëÎÊÌâ½â¾ö·½·¨
1.µ÷ÓÃJSPÒ³ÃæÏÔʾÂÒÂë
ͨ¹ýä¯ÀÀÆ÷µ÷ÓÃJSPÒ³Ã棬ÔÚ¿Í»§¶Ëä¯ÀÀÆ÷ÖÐËùÓеÄÖÐÎÄÄÚÈݳöÏÖÂÒÂë¡£
solution£º
Ê×ÏÈÈ·Èϱ¾JSPÔÚ±à¼Æ÷Öб£´æʱ£¬Ê¹ÓõÄÊÇGBKµÄ±àÂë¸ñʽ£¬È»ºóÔÚJSPÒ³ÃæµÄ¿ªÊ¼²¿·ÖÌí¼Ó <%@ pageEncoding="GBK" %>¾Í¿ÉÒÔ½â¾öÖÐÎÄÂÒÂëÎÊÌâ¡£
2.µ÷ÓÃServletÒ³ÃæÏÔʾÂÒÂë
ͨ¹ýä¯ÀÀÆ÷µ÷ÓÃServlet£¬ServletÔÚä¯ÀÀÆ÷ÖÐÏÔʾÄÚÈݳöÏÖÂÒÂë
solution£º
ÔÚServletʹÓÃresponseÔÚÊä³öÄÚÈÝ֮ǰ£¬ÏÈÖ´ÐÐresponse.setContentType("text/html;charset=GBK")É趨Êä³öÄÚÈݵıàÂëΪGBK
3.Post±íµ¥´«µÝ²ÎÊýÂÒÂë
ͨ¹ýJSPÒ³Ãæ¡¢HTMLÒ³Ãæ»òÕßServletÖÐµÄ±íµ¥ÔªËØÌá½»²ÎÊý¸ø¶ÔÓ¦µÄJSPÒ³Ãæ»òÕßServelt¶øJSPÒ³Ãæ»òÕßServlet½ÓÊÕµÄÖÐÎIJÎÊýÖµÂÒÂë¡£
solution£º
ÔÚ½ÓÊÕPOSTÌá½»µÄ²ÎÊý֮ǰ£¬Ê¹ÓÃrequest.setCharacterEncoding("GBK")É趨½ÓÊÕ²ÎÊýµÄÄÚÈÝʹÓÃGBK±àÂë
¸üºÃµÄ½â¾ö·½·¨ÊÇʹÓùýÂËÆ÷¼¼Êõ
Encoding¹ýÂËÆ÷
package com.htt;
import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
public class Encoding implements Filter {
public void destroy() { }
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
request.setCharacterEncoding("GBK");
chain.doFilter(request, response);
}
public void init(FilterConfig filterConfig) throws ServletException { }
}
Web.xmlÎļþÖеÄÉèÖÃ
<filter>
<filter-name>encoding</filter-name>
<filter-class>com.htt.Encoding</filter-class>
</filter>
<filter-mapping>
<filter-name>encoding</filter-name>
<url-pattern>/ToCh_zn</url-pattern>
</filter-mapping>
4.Get·½Ê½±íµ¥´«µÝºÍURI·½Ê
Ïà¹ØÎĵµ£º
Ò»¡¢É¶ÊÇsql×¢Èë
Ëùνsql×¢Èë¼òµ¥Ëµ¾ÍÊDZ»ÈË×êÁËSQLµÄ¿Õ×ÓÏÂÃæ¾Ù¸ö×î¼òµ¥µÄÀý×Ó¡£
sql Ϊ£º"select * from users where username='"+userName+"' and password='"+password+"' "
1¡¢¹¥»÷ÕßÖ»ÒªÔÚ´«ÈëµÄuserName¼ÓÉÏ'--ÉÏÃæµÄsql±ã½« ......
ÔÚJSP/Servlet ÖÐÖ÷ÒªÓÐÒÔϼ¸¸öµØ·½¿ÉÒÔÉèÖñàÂ룬pageEncoding="UTF-8"¡¢contentType="text/html;charset=UTF -8"¡¢request.setCharacterEncoding("UTF-8")ºÍresponse.setCharacterEncoding ("UTF-8")£¬ÆäÖÐÇ°Á½¸öÖ»ÄÜÓÃÓÚJSPÖУ¬¶øºóÁ½¸ö¿ÉÒÔÓÃÓÚJSPºÍServletÖС£
1¡¢pageEncoding="UTF-8"µÄ×÷ÓÃÊÇÉèÖÃJSP±àÒë³ÉServlet ......
¿ª·¢ÖУ¬³£³£ÐèÒª¶ÔÖ¸¶¨µÄÇëÇó¸ñʽ½øÐйýÂË¡£
±ÈÈ磬Struts2µÄÓ¦ÓÃÖУ¬ÍùÍùÒª¹ýÂ˵ô *.jspµÄÇëÇó
¡ùhttp://127.0.0.1:8080/Sample/login.actionÕâÑùµÄÇëÇó±»ÔÊÐí¡£
¡ùhttp://127.0.0.1:8080/Sample/login.£ê£ó£ðÕâÑùµÄÇëÇóÓ¦¸Ã±»¹ýÂË£¬²¢Ö¸¶¨Ìøתµ½Ä³¸öÒ³Ãæ»òÖ´ÐÐij¸öActionµÈµÈ
Struts2ÖеĹýÂËÆ÷¸ºÔð¹ýÂËËù ......
WEB¿ª·¢Öо³£Óõ½ÉÏ´«Í¼£¬ÔÚδÉÏ´«Ö®Ç°ÒªÏÔʾËùÑ¡ÔñµÄͼƬ
¿ÉÒÔÓüòµ¥µÄJS ʵÏÖ£º
<html>
<head>
<SCRIPT language=JavaScript>
function showimg(){
var imgpeoper=form1.imgs.value;
form1.img.src=imgpeoper;
......