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jspÔõôÉèÖÃrefererÊôÐÔ - Java / Java EE

ͨ¹ýrequest.getHeader("Referer")¿ÉÒÔ»ñµÃÉϸöÒ³ÃæµÄÀ´Ô´,ÓÐûÓа취αÔìÕâ¸örefererÊôÐÔ.
response.setHeader("refresh","3;url='regiest.jsp'");

response.setHeader("refresh","3;url='regiest.jsp'");

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ʹÓÃFilter+RequestWrapper
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doFilter()
Java code:
chain.doFilter(new WrappedRequest(request), response);


Java code:
public class WrappedRequest extends HttpServletRequestWrapper {
public WrappedRequest(HttpServletRequest request) {
super(request);
}
public String getHeader(String name) {
if ("referer".equalsIgnoreCase(name)) {
return "Äãϲ»¶µÄRefererÐÅÏ¢"; // Èç¹ûrefererºÍrequestÏà¹ØµÄ»°£¬¿ÉÒÔ(HttpServletRequest) super.getRequest()
}
}
}


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Java code:

public String getHeader(String name) {
if ("referer".equalsIgnoreCase(name)) {
return "Äãϲ»¶µÄRefererÐÅÏ¢"; // Èç¹ûrefererºÍrequestÏà¹ØµÄ»°£¬¿ÉÒÔ(HttpServletRequest) super.getRequest()
}
return super.getHead


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jspÒ³Ãæ»ñÈ¡sessionµÄÎÊÌâ - Java / Java EE

ÎÒÔÚjspÒ³Ãæ´æÉÏÒ»¸ösession,±¾Ò³Ã滹¿ÉÒÔÈ¡³öÖµÀ´.
µ«ÊÇһˢÐÂ,»òÕß´ò¿ªÐµÄÒ³Ãæ¾ÍÈ¡²»³öÖµÀ´ÁË.
Ææ¹ÖµÄÊÇ,ÎÒ²âÊÔÁíÒ»¸ö³ÌÐòʱºò
ÔÚjspÒ³Ãæ´æÉÏÒ»¸ösession,±¾Ò³Ãæ¿ÉÒÔÈ¡³öÖµÀ´,ˢлò´ò¿ªÐÂÒ³ÃæÖµÄÜÈ¡³öÀ´ÁË.
......

Unable to compile class for JSP - Java / Web ¿ª·¢

<%@page language="java" contentType="text/html;charset=gb2312" import="java.sql.*"%>
<jsp:useBean id="db" class="wang.connectDB"/>
< ......

java³ÌÐòÁ¬½ÓSQlServerµÄÎÊÌâ - Java / Java SE

import java.sql.Connection;
import java.sql.Date;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
public class QueryTest&n ......

Ï£ÍûºÃÐÄÈ˰ï°ïÎÒ£¬ÓйØÊÖ»úqq2009µÄjava°æ

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ÔÚkb.classÖеIJ¿·Ö×÷³öÐÞ¸Ä


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V = new TextBox(ld.a(383), "", 190, 0);
        X = new Comma ......

¹ØÓÚJavaµÄѧϰ - Java / JavaÏà¹Ø

ÎÒÏëÎÒjavaÕâÒ»·½Ãæ·¢Õ¹£¬ÓÐÄÄһλ¸ßÊÖ¿ÉÒÔ¸æËßÎÒ£¬Ïë³ÉΪһÃûJAVA±à³Ì¸ßÊÖ£¬Ëû±ØÐëҪѧϰµÄ֪ʶÂ𣿱ÈÈç˵ÎÒѧÍêÁËJAVAµÄ»ù´¡ÖªÊ¶Ö®ºóÎҸðÑÄ¿¹â·ÅÔÚÄÄÒ»·½Ã棬½ÓÏÂÀ´ÎÒÔÚѧϰÓйØJAVAµÄʲô֪ʶ£¿ÅóÓÑà ......
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