鍓嶈█錛?br />聽鍓嶄竴孌墊椂闂達(dá)紝鐢變簬鍦ㄥ鐞哤eb搴旂敤涓嬬殑鏂囦歡鍒涘緩涓庣Щ鍔ㄧ瓑錛屽洜姝ゆ秹鍙婂埌寰堝鍏充簬java
涓浉瀵硅礬寰勶紝緇濆璺緞絳夐棶棰樸傚悓鏃訛紝瀵逛簬Web搴旂敤涓殑鐩稿璺緞錛岀粷瀵硅礬寰勶紝浠ュ強Java.io.File
綾誨涔?fàn)浜嗕竴涓嬨備篃鎵句簡涓浜涜祫鏂欍傚笇鏈涘ぇ瀹墮亣鍒扮被浼肩殑闂錛屽彲浠ユ洿鏈夋晥鐨勮В鍐熾?/p>
=================================================================================
1.鍩烘湰姒傚康鐨勭悊瑙?/p>
銆銆緇濆璺緞錛氱粷瀵硅礬寰勫氨鏄綘鐨勪富欏典笂鐨勬枃浠舵垨鐩綍鍦ㄧ‖鐩樹笂鐪熸鐨勮礬寰勶紝(URL鍜岀墿鐞嗚礬寰?渚嬪錛?br />C:\xyz\test.txt聽浠ｈ〃浜唗est.txt鏂囦歡鐨勭粷瀵硅礬寰勩?a >http://www.sun.com/index.htm涔熶唬琛ㄤ簡涓涓?br />URL緇濆璺緞銆?/p>
銆銆鐩稿璺緞錛氱浉瀵逛笌鏌愪釜鍩哄噯鐩綍鐨勮礬寰勩傚寘鍚玏eb鐨勭浉瀵硅礬寰勶紙HTML涓殑鐩稿鐩綍錛夛紝渚嬪錛氬湪
Servlet涓紝"/"浠ｈ〃Web搴旂敤鐨勮窡鐩綍銆傚拰鐗╃悊璺緞鐨勭浉瀵硅〃紺恒備緥濡傦細(xì)"./" 浠ｈ〃褰撳墠鐩綍,
"../"浠ｈ〃涓婄駭鐩綍銆傝繖縐嶇被浼肩殑琛ㄧず錛屼篃鏄睘浜庣浉瀵硅礬寰勩?/p>
鍙﹀鍏充簬URI錛孶RL,URN絳夊唴瀹癸紝璇峰弬鑰僐FC鐩稿叧鏂囨。鏍囧噯銆?/p>
RFC 2396: Uniform Resource Identifiers (URI): Generic Syntax,
(http://www.ietf.org/rfc/rfc2396.txt)
2.鍏充簬JSP/Servlet涓殑鐩稿璺緞鍜岀粷瀵硅礬寰勩?/p>
2.1鏈嶅姟鍣ㄧ鐨勫湴鍧
銆銆聽鏈嶅姟鍣ㄧ鐨勭浉瀵瑰湴鍧鎸囩殑鏄浉瀵逛簬浣犵殑web搴旂敤鐨勫湴鍧錛岃繖涓湴鍧鏄湪鏈嶅姟鍣ㄧ瑙ｆ瀽鐨?br />錛堜笉鍚屼簬html鍜宩avascript涓殑鐩稿鍦板潃錛屼粬浠槸鐢卞鎴風(fēng)嫻忚鍣ㄨВ鏋愮殑錛変篃灝辨槸璇磋繖鏃跺?br />鍦╦sp鍜宻ervlet涓殑鐩稿鍦板潃搴旇鏄浉瀵逛簬浣犵殑web搴旂敤錛屽嵆鐩稿浜?a >http://192.168.0.1/webapp/鐨勩?
銆銆鍏剁敤鍒扮殑鍦版柟鏈夛細(xì)
聽forward錛歴ervlet涓殑request.getRequestDispatcher(address);榪欎釜address鏄?br />鍦ㄦ湇鍔″櫒绔В鏋愮殑錛屾墍浠ワ紝浣犺forward鍒癮.jsp搴旇榪欎箞鍐欙細(xì)
request.getRequestDispatcher(鈥?user/a.jsp鈥?榪欎釜/鐩稿浜庡綋鍓嶇殑web搴旂敤webapp錛?br />鍏剁粷瀵瑰湴鍧灝辨槸錛?a >http://192.168.0.1/webapp/user/a.jsp銆?
sendRedirect錛氬湪jsp涓?lt;%response.sendRedirect("/rtccp/user/a.jsp");%>
2.22銆佸鎴風(fēng)鐨勫湴鍧
聽
聽聽聽聽聽聽 鎵鏈夌殑html欏甸潰涓殑鐩稿鍦板潃閮芥槸鐩稿浜庢湇鍔″櫒鏍圭洰褰?http://192.168.0.1/)鐨勶紝
鑰屼笉鏄?璺熺洰褰曚笅鐨勮Web搴旂敤鐨勭洰褰?http://192.168.0.1/webapp/鐨勩?
聽Html涓殑form琛ㄥ崟鐨刟ction灞炴х殑鍦板潃搴旇鏄浉瀵逛簬鏈嶅姟鍣ㄦ牴鐩綍(http://192.168.0.1/)鐨勶紝
鎵浠ワ紝濡傛灉鎻愪氦鍒癮.jsp涓猴細(xì)action錛?/webapp/user/a.jsp"鎴朼ction="<%=request.getContextPath()%>"/user/a.jsp錛?br />銆銆鎻愪氦鍒皊ervlet涓篴ctiom錛?/webapp/handleservlet" 聽
聽銆銆Javascript涔熸槸鍦ㄥ鎴風(fēng)瑙ｆ瀽鐨勶紝鎵浠ュ叾鐩稿璺緞鍜宖orm琛ㄥ崟涓鏍楓?
聽
銆銆鍥犳錛屼竴鑸儏鍐典笅錛屽湪JSP/HTML欏甸潰絳夊紩鐢ㄧ殑CSS,Javascript.Action絳夊睘鎬у墠闈㈡渶濂介兘鍔犱笂
<%=request.getContextPath()%>,浠ョ‘淇濇墍寮曠敤鐨勬枃浠墮兘灞炰簬Web搴旂敤涓殑鐩綍銆?br />鍙﹀錛屽簲璇ュ敖閲忛伩鍏嶄嬌鐢ㄧ被浼?.","./","../../"絳夌被浼肩殑鐩稿璇ユ枃浠朵綅緗殑鐩稿璺緞錛岃繖鏍?br />褰撴枃浠剁Щ鍔ㄦ椂錛屽緢瀹規(guī)槗鍑洪棶棰樸?/p>
3. JSP/Servlet涓幏寰楀綋鍓嶅簲鐢ㄧ殑鐩稿璺緞鍜岀粷瀵硅礬寰?br />3.1 JSP涓幏寰楀綋鍓嶅簲鐢ㄧ殑鐩稿璺緞鍜岀粷瀵硅礬寰?br />聽鏍圭洰褰曟墍瀵瑰簲鐨勭粷瀵硅礬寰?request.getRequestURI()
聽鏂囦歡鐨勭粷瀵硅礬寰劼犅犅?銆:application.getRealPath(request.getRequestURI());
聽褰撳墠web搴旂敤鐨勭粷瀵硅礬寰?:application.getRealPath("/");
聽鍙栧緱璇鋒眰鏂囦歡鐨勪笂灞傜洰褰?new File(application.getRealPath(request.getRequestURI())).getParent()
3.2 Servlet涓幏寰楀綋鍓嶅簲鐢ㄧ殑鐩稿璺緞鍜岀粷瀵硅礬寰?br />聽鏍圭洰褰曟墍瀵瑰簲鐨勭粷瀵硅礬寰?request.getServletPath();
聽鏂囦歡鐨勭粷瀵硅礬寰劼犅犅?:request.getSession().getServletContext().getRealPath
(request.getRequestURI())聽聽聽
聽褰撳墠web搴旂敤鐨勭粷瀵硅礬寰?:servletConfig.getServletContext().getRealPath("/");
聽聽聽聽聽(ServletContext瀵硅薄鑾峰緱鍑犵鏂瑰紡錛?br />聽聽聽聽聽聽聽javax.servlet.http.HttpSession.getServletContext()
聽聽聽聽聽聽聽javax.servlet.jsp.PageContext.getServletContext()
聽聽聽聽聽聽聽javax.servlet.ServletConfig.getServletContext()
聽聽聽聽聽)
4.java 鐨凜lass涓幏寰楃浉瀵硅礬寰勶紝緇濆璺緞鐨勬柟娉?br />4.1鍗曠嫭鐨凧ava綾諱腑鑾峰緱緇濆璺緞
銆銆鏍規(guī)嵁java.io.File鐨凞oc鏂囨尅錛屽彲鐭?
聽榛樿鎯呭喌涓媙ew File("/")浠ｈ〃鐨勭洰褰曚負(fù)錛歋ystem.getProperty("user.dir")銆?br />聽涓涓嬬▼搴忚幏寰楁墽琛岀被鐨勫綋鍓嶈礬寰?br />package org.cheng.file;
import java.io.File;
public class FileTest {
聽聽聽 public static void main(String[] args) throws Exception {聽聽聽聽聽聽
聽聽System.out.println(Thread.currentThread().getContextClassLoader().getResource(""));聽聽聽聽
聽聽System.out.println(FileTest.class.getClassLoader().getResource(""));聽聽聽聽聽聽聽
銆銆System.out.println(ClassLoader.getSystemResource(""));聽聽聽聽聽聽聽
聽聽System.out.println(FileTest.class.getResource(""));聽聽聽聽聽聽聽
聽聽System.out.println(FileTest.class.getResource("/")); //Class鏂囦歡鎵鍦ㄨ礬寰劼?
聽聽System.out.println(new File("/").getAbsolutePath());聽聽聽聽聽聽聽
聽聽System.out.println(System.getProperty("user.dir"));聽聽聽
聽}
}
4.2鏈嶅姟鍣ㄤ腑鐨凧ava綾昏幏寰楀綋鍓嶈礬寰勶紙鏉ヨ嚜緗戠粶錛?br />(1).Weblogic
WebApplication鐨勭郴緇熸枃浠舵牴鐩綍鏄綘鐨剋eblogic瀹夎鎵鍦ㄦ牴鐩綍銆?br />渚嬪錛氬鏋滀綘鐨剋eblogic瀹夎鍦╟:\bea\weblogic700.....
閭ｄ箞錛屼綘鐨勬枃浠舵牴璺緞灝辨槸c:\.
鎵浠ワ紝鏈変袱縐嶆柟寮忚兘澶熻浣犺闂綘鐨勬湇鍔″櫒绔殑鏂囦歡錛?br />a.浣跨敤緇濆璺緞錛?br />姣斿灝嗕綘鐨勫弬鏁版枃浠舵斁鍦╟:\yourconfig\yourconf.properties錛?br />鐩存帴浣跨敤 new FileInputStream("yourconfig/yourconf.properties");
b.浣跨敤鐩稿璺緞錛?br />鐩稿璺緞鐨勬牴鐩綍灝辨槸浣犵殑webapplication鐨勬牴璺緞錛屽嵆WEB-INF鐨勪笂涓綰х洰褰曪紝灝嗕綘鐨勫弬鏁版枃浠舵斁
鍦▂ourwebapp\yourconfig\yourconf.properties錛?br />榪欐牱浣跨敤錛?br />new FileInputStream("./yourconfig/yourconf.properties");
榪欎袱縐嶆柟寮忓潎鍙紝鑷繁閫夋嫨銆?/p>
(2).Tomcat
鍦ㄧ被涓緭鍑篠ystem.getProperty("user.dir");鏄劇ず鐨勬槸%Tomcat_Home%/bin
(3).Resin
涓嶆槸浣犵殑JSP鏀劇殑鐩稿璺緞,鏄疛SP寮曟搸鎵ц榪欎釜JSP緙栬瘧鎴怱ERVLET
鐨勮礬寰勪負(fù)鏍?姣斿鐢ㄦ柊寤烘枃浠舵硶嫻嬭瘯File f = new File("a.htm");
榪欎釜a.htm鍦╮esin鐨勫畨瑁呯洰褰曚笅
(4).濡備綍璇葷浉瀵硅礬寰勫摢錛?/p>
鍦↗ava鏂囦歡涓璯etResource鎴杇etResourceAsStream鍧囧彲
渚嬶細(xì)getClass().getResourceAsStream(filePath);//filePath鍙互鏄?/filename",榪欓噷鐨?浠ｈ〃web
鍙戝竷鏍硅礬寰勪笅WEB-INF/classes
榛樿浣跨敤璇ユ柟娉曠殑璺緞鏄細(xì)WEB-INF/classes銆傚凡緇忓湪Tomcat涓祴璇曘?/p>
5.璇誨彇鏂囦歡鏃剁殑鐩稿璺緞錛岄伩鍏嶇‖緙栫爜鍜岀粷瀵硅礬寰勭殑浣跨敤銆傦紙鏉ヨ嚜緗戠粶錛?br />5.1 閲囩敤Spring鐨凞I鏈哄埗鑾峰緱鏂囦歡錛岄伩鍏嶇‖緙栫爜銆?br />聽 聽鍙傝冧笅闈㈢殑榪炴帴鍐呭錛?br />聽 聽http://www.javajia.net/viewtopic.php?p=90213&
5.2 閰嶇疆鏂囦歡鐨勮鍙?br />聽鍙傝冧笅闈㈢殑榪炴帴鍐呭錛?br />聽http://dev.csdn.net/develop/article/39/39681.shtm
5.3 閫氳繃铏氭嫙璺緞鎴栫浉瀵硅礬寰勮鍙栦竴涓獂ml鏂囦歡錛岄伩鍏嶇‖緙栫爜
聽鍙傝冧笅闈㈢殑榪炴帴鍐呭錛?br />聽http://club.gamvan.com/club/clubPage.jsp?iPage=1&tID=10708&ccID=8
聽
6.Java涓枃浠剁殑甯哥敤鎿嶄綔錛堝鍒訛紝縐誨姩錛屽垹闄わ紝鍒涘緩絳夛級錛堟潵鑷綉緇滐級
聽甯哥敤 java File 鎿嶄綔綾?
聽http://www.easydone.cn/014/200604022353065155.htm
聽
聽Java鏂囦歡鎿嶄綔澶у叏錛圝SP涓級
聽http://www.pconline.com.cn/pcedu/empolder/gj/java/0502/559401.html
聽java鏂囦歡鎿嶄綔璇﹁В錛圝ava涓枃緗戯級
聽http://www.51cto.com/html/2005/1108/10947.htm
聽JAVA 濡備綍鍒涘緩\鍒犻櫎\淇敼\澶嶅埗鐩綍鍙婃枃浠?br />聽http://www.gamvan.com/developer/java/2005/2/264.html
鎬葷粨錛?br />聽閫氳繃涓婇潰鍐呭鐨勪嬌鐢紝鍙互瑙ｅ喅鍦╓eb搴旂敤鏈嶅姟鍣ㄧ錛岀Щ鍔ㄦ枃浠訛紝鏌ユ壘鏂囦歡錛屽鍒?br />聽鍒犻櫎鏂囦歡絳夋搷浣滐紝鍚屾椂瀵規(guī)湇鍔″櫒鐨勭浉瀵瑰湴鍧錛岀粷瀵瑰湴鍧姒傚康鏇村姞娓呮櫚銆?br />寤鴻鍙傝僓RI,鐨凴FC鏍囧噯鏂囨尅銆傚悓鏃跺Java.io.File. Java.net.URI.絳夊唴瀹逛簡瑙ｉ忓交
瀵瑰叾浠栨柟闈㈢殑鐞嗚В鍙互鏇村姞娣卞叆鍜岄忓交銆?br />==================================================================================
鍙傝冭祫鏂?
java/docs/
java.io.File
java.io.InputStream
java.io.OutputStream
java.io.FileInputStream
java.io.FileReader;
java.io.FileOutputStream
java.io.FileWriter;
java.net.URI
java.net.URL
緇濆璺緞涓庣浉瀵硅礬寰勭ゥ瑙?br />http://www.webjx.com/htmldata/2005-02-26/1109430310.html
[銆嶫閬撲範(fàn)緇冦廬JSP鍜孲ervlet涓殑緇濆璺緞鍜岀浉瀵硅礬寰?br />http://w3china.org/blog/more.asp?name=pcthomas&id=9122&commentid=12376
JSP,Servlet,Class鑾峰緱褰撳墠搴旂敤鐨勭浉瀵硅礬寰勫拰緇濆璺緞
http://cy.lzu.edu.cn/cy/club/clubPage.jsp?ccStyle=0&tID=886&ccID=77
濡備綍鑾峰緱褰撳墠鏂囦歡璺緞
http://www.matrix.org.cn/resource/article/44/44113_java.html
閫氳繃Spring娉ㄥ叆鏈哄埗錛屽彇寰楁枃浠?br />http://www.javajia.net/viewtopic.php?p=90213&
閰嶇疆鏂囦歡鐨勮鍙?
http://dev.csdn.net/develop/article/39/39681.shtm
璇誨彇閰嶇疆鏂囦歡,閫氳繃铏氭嫙璺緞鎴栫浉瀵硅礬寰勮鍙栦竴涓獂ml鏂囦歡錛岄伩鍏嶇‖緙栫爜錛?
http://club.gamvan.com/club/clubPage.jsp?iPage=1&tID=10708&ccID=8
甯哥敤 java File 鎿嶄綔綾?br />http://www.easydone.cn/014/200604022353065155.htm
Java鏂囦歡鎿嶄綔澶у叏
http://www.pconline.com.cn/pcedu/empolder/gj/java/0502/559401.html
Java鏂囦歡鎿嶄綔璇﹁В
http://www.51cto.com/html/2005/1108/10947.htm
Trackback: http://tb.blog.csdn.net/TrackBack.aspx?PostId=704427
]]>
涓錛庨棶棰?br />
聽 JSP涓┒绔熼噰鐢ㄧ粷瀵硅礬寰勮繕鏄噰鐢ㄧ浉瀵硅礬寰勯殢鐫鎵閲囩敤鎶鏈殑瓚婃潵瓚婂鏉傦紝榪欎釜闂涔熷彉寰楄秺鏉ヨ秺闅句互瑙ｅ喅銆?br />
錛戯級閲囩敤鐩稿璺緞閬囧埌鐨勯棶棰?br />
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