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;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;
public class SercurityFilter implements Filter{
public void destroy() {
} public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException { HttpServletRequest request = (HttpServletRequest) req; HttpServletResponse response = (HttpServletResponse) res; String url = request.getRequestURI();String name = (String) request.getSession().getAttribute("name");
if((url.indexOf("index") == -1) && (null == name))
{
String path = request.getContextPath();
response.sendRedirect(path + "/index.jsp");
}
else chain.doFilter(request, response); } public void init(FilterConfig arg0) throws ServletException { }
}鐒跺悗闂鏄繖鏍風(fēng)殑錛?br /> 鎴戠幇鍦ㄧ敤鎴鋒病鐧誨綍鐨勬椂鍊欙紝鐐瑰嚮涓涓秴閾炬帴錛坆ookAction.action錛夌殑鏃跺欙紝騫舵病鏈夎繘鍏ercurityFilter榪欎釜閲岄潰瀹氫箟鐨刬ndex.jsp欏甸潰錛岃屽湴鍧鏍忔樉紺虹殑涔熸槸榪欎釜瓚呴摼鎺ョ殑bookAction.action鍦板潃銆?br /> 鑰屽綋鎴戞妸bookAction瀵瑰簲鐨剎work.xml涓殑result閲岄潰娣誨姞 type="redirect"錛屽涓嬶細(xì)
<result name="browseCatalog" type="redirect">/jsp/browseCatalog.jsp</result>
鑰岀幇鍦ㄦ垜閲嶆柊鐐瑰嚮榪欎釜瓚呴摼鎺ョ殑鏃跺欏嵈鑳借漿鍒癷ndex.jsp欏甸潰錛屼笉鐭ラ亾榪欎釜鏄庝箞鍥炰簨錛燂紵錛燂紵錛?br />
浣嗘槸閲嶅畾鍚戣繃鍘誨張涓嶈兘淇濆瓨action鎵ц鐨勭粨鏋滐紝涓嶈兘緇檅rowseCatalog.jsp榪欎釜欏甸潰閲岀殑琛ㄥ崟璧嬪鹼紝褰撶劧鍙互閫氳繃灝嗗唴瀹規(guī)斁鍏ession涓繘琛岃祴鍊鹼紝浣嗚繖鏍峰簲璇ヤ笉澶ソ鍚с?br />
web.xml浠ｇ爜濡備笅錛?br />
<filter-mapping> <filter-name>webwork</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <filter-mapping> <filter-name>sercurityFilter</filter-name> <url-pattern>/jsp/*</url-pattern> </filter-mapping>浠婂ぉ鏅氫笂鍙堝仛浜?jiǎn)涓嫿巰鍗曠殑楠岃瘉錛屼笉鐭ラ亾涓轟粈涔堬紝涓嶇鎴憌eb.xml閲岄潰璁劇疆/*榪樻槸*.action錛屾祻瑙堝櫒杈撳叆*.action鍦板潃鎴栬呮彁浜よ〃鍗曠殑鏃跺欓兘榪涗笉浜?jiǎn)杩欎釜filter閲岄潰鍘匯傝寃eb.xml閲岄潰璁劇疆/*鏃訛紝鍙鎴戣緭鍏?.jsp閮戒細(xì)鐩存帴杞埌index.jsp欏甸潰錛岄毦閬撴槸鍝噷閰嶇疆閿欎簡(jiǎn)銆傘傘傝繕鏄紵錛燂紵錛?br />
]]>