]]>
]]>
鏂囦歡鐨勫緩绔?媯鏌ヤ笌鍒犻櫎
<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.io.*"%>
<html>
<head>
<title>鏂囦歡鐨勫緩绔嬨佹鏌ヤ笌鍒犻櫎</title>
</head>
<body>
<%
String path=request.getRealPath("");
//out.println(path);
File f=new File(path,"File.txt");
//out.println(f);
//out.println(f.exists());
if(f.exists()){//媯鏌ile.txt鏄惁瀛樺湪
f.delete();//鍒犻櫎File.txt鏂囦歡
out.println(path + "瀛樺湪錛屽凡鍒犻櫎銆?);
}else{
f.createNewFile();//鍦ㄥ綋鍓嶇洰褰曚笅寤虹珛涓涓悕涓篎ile.txt鐨勬枃浠?br />out.println(path + "\\File.txt 涓嶅瓨鍦紝宸插緩绔嬨?);//杈撳嚭鐩墠鎵鍦ㄧ殑鐩綍璺緞
}
%>
鐩綍鐨勫緩绔?媯鏌ヤ笌鍒犻櫎
<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.io.*"%>
<html>
<head>
<title>鐩綍鐨勫緩绔?媯鏌ヤ笌鍒犻櫎</title>
</head>
<body>
<%
String path=request.getRealPath("");
path=path + "\\Sub";//灝嗚寤虹珛鐨勭洰褰曡礬寰?br />File d=new File(path);//寤虹珛浠ｈ〃Sub鐩綍鐨凢ile瀵硅薄錛屽茍寰楀埌瀹冪殑涓涓紩鐢?br />if(d.exists()){//媯鏌ub鐩綍鏄惁瀛樺湪
d.delete();
out.println("Sub鐩綍瀛樺湪錛屽凡鍒犻櫎");
}else{
d.mkdir();//寤虹珛Sub鐩綍
out.println("Sub鐩綍涓嶅瓨鍦紝宸插緩绔?);
}
%>
</body>
</html>
濡備綍鍦↗SP涓鐞嗚櫄鎷熺洰褰?br /><%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.io.*"%>
<html>
<head>
<title>JSP涓浣曞鐞嗚櫄鎷熺洰褰?lt;/title>
</head>
<body>
鍙栧緱铏氭嫙鐩綍瀵瑰簲鐨勭鐩樿礬寰?lt;br>
Web绔欑偣涓葷洰褰曠殑浣嶇疆涓?lt;font color=#ff0000><%=request.getRealPath("/")%></font><br>
JSP緗戦〉鎵鍦ㄧ殑鐩綍浣嶇疆<font color=#ff0000><%=request.getRealPath("./")%></font><br>
JSP緗戦〉鎵鍦ㄧ洰褰曚笂涓灞傜洰褰曠殑浣嶇疆<font color=#ff0000><%=request.getRealPath("../")%></font><br>
</body>
</html>
鏂囦歡灞炴х殑鍙栧緱
<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.util.Date,java.io.*"%>
<html>
<head>
<title>鏂囦歡灞炴х殑鍙栧緱</title>
</head>
<body>
<%
String path=request.getRealPath("/");
File f=new File(path,"ReadData.txt");
if(f.exists()){
%>
<%=f.getName()%>鐨勫睘鎬у涓嬶細<br><br>
鏂囦歡闀垮害涓猴細<%=f.length()%>
<%=f.isFile()?"鏄枃浠?:"涓嶆槸鏂囦歡"%><br>
<%=f.isDirectory()?"鏄洰褰?:"涓嶆槸鐩綍"%><br>
<%=f.canRead()?"鍙鍙?:"涓嶅彲璇誨彇"%><br>
<%=f.canWrite()?"鍙啓鍏?:"涓嶅彲鍐欏叆"%><br>
<%=f.isHidden()?"鏄殣钘忔枃浠?:"涓嶆槸闅愯棌鏂囦歡"%><br>
鏂囦歡鐨勬渶鍚庝慨鏀規棩鏈熶負錛?lt;%=new Date(f.lastModified())%><br>
<%
}else{
f.createNewFile();//鍦ㄥ綋鍓嶇洰褰曚笅寤虹珛涓涓悕涓篟eaData.txt鐨勬枃浠?br />%>
<%=f.getName()%>鐨勫睘鎬у涓嬶細<br><br>
鏂囦歡闀垮害涓猴細<%=f.length()%>
<%=f.isFile()?"鏄枃浠?:"涓嶆槸鏂囦歡"%><br>
<%=f.isDirectory()?"鏄洰褰?:"涓嶆槸鐩綍"%><br>
<%=f.canRead()?"鍙鍙?:"涓嶅彲璇誨彇"%><br>
<%=f.canWrite()?"鍙啓鍏?:"涓嶅彲鍐欏叆"%><br>
<%=f.isHidden()?"鏄殣钘忔枃浠?:"涓嶆槸闅愯棌鏂囦歡"%><br>
鏂囦歡鐨勬渶鍚庝慨鏀規棩鏈熶負錛?lt;%=new Date(f.lastModified())%><br>
<%
}
%>
</body>
</html>
鍙栧嚭鐩綍涓枃浠剁殑鏂規硶
<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.io.*"%>
<html>
<head>
<title>鍙栧嚭鐩綍涓枃浠剁殑鏂規硶--鍒楀嚭鐩綍涓殑鏂囦歡</title>
</head>
<body>
<%
String path=request.getRealPath("/");
File d=new File(path);//寤虹珛褰撳墠鐩綍涓枃浠剁殑File瀵硅薄
File list[]=d.listFiles();//鍙栧緱浠ｈ〃鐩綍涓墍鏈夋枃浠剁殑File瀵硅薄鏁扮粍
out.println("<font color=#ff0000>" + path + "鐩綍涓嬬殑鏂囦歡錛?lt;/font><br>");
for(int i=0;i<list.length;i++){
if(list<I>.isFile()){
out.println(list<I>.getName() + "<br>");
}
}
out.println("<br><font color=#ff0000>" + path + "鐩綍涓嬬殑鐩綍錛?lt;/font><br>");
for(int i=0;i<list.length;i++){
if(list<I>.isDirectory()){
out.println(list<I>.getName() + "<br>");
}
}
%>
</body>
</html>
鍒ゆ柇鏄惁涓虹┖鐧芥枃浠?br /><%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.io.*"%>
<html>
<head>
<title>鍒ゆ柇鏄惁涓虹┖鐧芥枃浠?lt;/title>
</head>
<body>
<%
String path=request.getRealPath("/");
out.println(path);
FileReader fr=new FileReader(path + "\\AtEnd.txt");//寤虹珛FileReader瀵硅薄錛屽茍瀹炰緥鍖栦負fr
//瀵笷ileReader綾葷敓鎴愮殑瀵硅薄浣跨敤read()鏂規硶錛屽彲浠ヤ粠瀛楃嫻佷腑璇誨彇涓嬩竴涓瓧絎︺?br />if(fr.read()==-1)//鍒ゆ柇鏄惁宸茶鍒版枃浠剁殑緇撳熬
{
out.print("AtEnd.txt鏂囦歡涓病鏈夋暟鎹?lt;br>");
}else{
out.println("AtEnd.txt鏂囦歡涓湁鏁版嵁");
}
fr.close();
%>
</body>
</html>
璇誨彇鎵鏈夌殑鏂囦歡鏁版嵁
<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.io.*,java.lang.*"%>
<html>
<head>
<title>璇誨彇鎵鏈夌殑鏂囦歡鏁版嵁</title>
</head>
<body>
<%
String path=request.getRealPath(".");
FileReader fr=new FileReader(path + "\\ReadData.txt");
//鍏抽敭鍦ㄤ簬璇誨彇榪囩▼涓紝瑕佸垽鏂墍璇誨彇鐨勫瓧絎︽槸鍚﹀凡緇忓埌浜嗘枃浠剁殑鏈熬錛屽茍涓旇繖涓瓧絎︽槸涓嶆槸鏂囦歡涓殑鏂絎︼紝鍗沖垽鏂瀛楃鍊兼槸鍚︿負13銆?br />int c=fr.read();//浠庢枃浠朵腑璇誨彇涓涓瓧絎?br />//鍒ゆ柇鏄惁宸茶鍒版枃浠剁粨灝?br />while(c!=-1){
out.print((char)c);//杈撳嚭璇誨埌鐨勬暟鎹?br />c=fr.read();//浠庢枃浠朵腑緇х畫璇誨彇鏁版嵁
if(c==13){//鍒ゆ柇鏄惁涓烘柇琛屽瓧絎?br />out.print("<br>");//杈撳嚭鍒嗚鏍囩
fr.skip(1);//鐣ヨ繃涓涓瓧絎?br />//c=fr.read();//璇誨彇涓涓瓧絎?br />}
}
fr.close();
%>
</body>
</html>
涓琛屼竴琛岃鍙栨暟鎹?br /><%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.io.*"%>
<html>
<head>
<title>鏂囦歡璇誨彇</title>
</head>
<body>
<%
String path=request.getRealPath("");//鍙栧緱褰撳墠鐩綍鐨勮礬寰?br />FileReader fr=new FileReader(path + "\\file\\inc\\t.txt");//寤虹珛FileReader瀵硅薄錛屽茍瀹炰緥鍖栦負fr
BufferedReader br=new BufferedReader(fr);//寤虹珛BufferedReader瀵硅薄錛屽茍瀹炰緥鍖栦負br
String Line=br.readLine();//浠庢枃浠惰鍙栦竴琛屽瓧絎︿覆
//鍒ゆ柇璇誨彇鍒扮殑瀛楃涓叉槸鍚︿笉涓虹┖
while(Line!=null){
out.println(Line + "<br>");//杈撳嚭浠庢枃浠朵腑璇誨彇鐨勬暟鎹?br />Line=br.readLine();//浠庢枃浠朵腑緇х畫璇誨彇涓琛屾暟鎹?br />}
br.close();//鍏抽棴BufferedReader瀵硅薄
fr.close();//鍏抽棴鏂囦歡
%>
</body>
</html>
鐣ヨ繃鏂囦歡涓殑瀛楃涓嶈鍙?br /><%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.io.*"%>
<html>
<head>
<title>鐣ヨ繃瀛楄妭涓嶈鍙?lt;/title>
</head>
<body>
<%
String path=request.getRealPath(".");
FileReader fr=new FileReader(path + "\\ReadData.txt");
fr.skip(2);//璺寵繃2涓瓧鑺?br />int c=fr.read();//璇誨彇涓涓瓧鑺?br />while(c!=-1){
out.print((char)c);
c=fr.read();
}
fr.close();
%>
</body>
</html>
灝嗘暟鎹啓鍏ユ枃浠?br /><%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.io.*"%>
<html>
<head>
<title>灝嗘暟鎹啓鍏ユ枃浠?lt;/title>
</head>
<body>
<%
String path=request.getRealPath(".");
FileWriter fw=new FileWriter(path + "\\WriteData.txt");//寤虹珛FileWriter瀵硅薄錛屽茍瀹炰緥鍖杅w
//灝嗗瓧絎︿覆鍐欏叆鏂囦歡
fw.write("澶у濂斤紒");
fw.write("鏈功鏄奐SP緙栫▼鎶宸с?);
fw.write("璇峰澶氭寚鏁欙紒");
fw.write("email:stride@sina.com");
fw.close();
FileReader fr=new FileReader(path + "\\WriteData.txt");
BufferedReader br=new BufferedReader(fr);//寤虹珛BufferedReader瀵硅薄錛屽茍瀹炰緥鍖栦負br
String Line=br.readLine();
//璇誨彇涓琛屾暟鎹?br />out.println(Line + "<br>");
br.close();//鍏抽棴BufferedReader瀵硅薄
fr.close();
%>
</body>
</html>
灝嗗啓鍏ユ枃浠剁殑鏁版嵁鍒嗚
<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.io.*"%>
<html>
<head>
<title>灝嗗啓鍏ユ枃浠剁殑鏁版嵁鍒嗚</title>
</head>
<body>
<%
String path=request.getRealPath(".");
FileWriter fw=new FileWriter(path + "\\WriteData.txt");
BufferedWriter bw=new BufferedWriter(fw);
bw.write("澶у濂斤紒");
bw.write("鏈功鏄奐SP緙栫▼鎶宸с嬨?);
bw.newLine();//鏂
bw.write("璇峰澶氭寚鏁欙紒");
bw.newLine();//鏂
bw.write("email: stride@sina.com");
bw.flush();//灝嗘暟鎹洿鏂拌嚦鏂囦歡
fw.close();//鍏抽棴鏂囦歡嫻?br />out.println("鍐欏叆鏂囦歡鍐呭涓猴細<br>");
FileReader fr=new FileReader(path + "\\WriteData.txt");
BufferedReader br=new BufferedReader(fr);
String Line=br.readLine();//璇誨彇涓琛屾暟鎹?br />while(Line!=null){
out.println(Line + "<br>");
Line=br.readLine();
}
fr.close();
%>
</body>
</html>
濡備綍灝嗘暟鎹拷鍔犲啓鍏ュ埌鏂囦歡
<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.io.*"%>
<html>
<head>
<title>灝嗗啓鍏ユ枃浠剁殑鏁版嵁鍒嗚</title>
</head>
<body>
<%
String path=request.getRealPath(".");
RandomAccessFile rf=new RandomAccessFile(path + "\\WriteData.txt","rw");//瀹氫箟涓涓被RandomAccessFile鐨勫璞★紝騫跺疄渚嬪寲
rf.seek(rf.length());//灝嗘寚閽堢Щ鍔ㄥ埌鏂囦歡鏈熬
rf.writeBytes("\nAppend a line to the file!");
rf.close();//鍏抽棴鏂囦歡嫻?br />out.println("鍐欏叆鏂囦歡鍐呭涓猴細<br>");
FileReader fr=new FileReader(path + "\\WriteData.txt");
BufferedReader br=new BufferedReader(fr);//璇誨彇鏂囦歡鐨凚ufferedRead瀵硅薄
String Line=br.readLine();
while(Line!=null){
out.println(Line + "<br>");
Line=br.readLine();
}
fr.close();//鍏抽棴鏂囦歡
%>
</body>
</html></I></I></I></I>
]]>
Java涓枃闂涓鐩村洶鎵扮潃寰堝鍒濆鑰咃紝濡傛灉浜嗚В浜咼ava緋葷粺鐨勪腑鏂囬棶棰樺師鐞嗭紝鎴戜滑灝卞彲浠ュ涓枃闂鑳藉閲囧彇鏍規湰鐨勮В鍐充箣閬撱?br />
銆銆鏈鍙よ佺殑瑙ｅ喅鏂規鏄嬌鐢⊿tring鐨勫瓧鑺傜爜杞崲錛岃繖縐嶆柟妗堥棶棰樻槸涓嶆柟渚匡紝鎴戜滑闇瑕佺牬鍧忓璞″皝瑁呮э紝榪涜瀛楄妭鐮佽漿鎹€?br />
銆銆榪樻湁涓縐嶆柟寮忔槸瀵笿2EE瀹瑰櫒榪涜緙栫爜璁劇疆錛屽鏋淛2EE搴旂敤緋葷粺鑴辯璇ュ鍣紝鍒欎細鍙戠敓涔辯爜錛岃屼笖鎸囧畾瀹瑰櫒閰嶇疆涓嶇鍚圝2EE搴旂敤鍜屽鍣ㄥ垎紱葷殑鍘熷垯銆?br />
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銆銆J2EE搴旂敤紼嬪簭鏄繍琛屽湪J2EE瀹瑰櫒涓傚湪榪欎釜緋葷粺涓紝杈撳叆閫斿緞鏈夊緢澶氱錛氫竴縐嶆槸閫氳繃欏甸潰琛ㄥ崟鎵撳寘鎴愯姹傦紙request錛夊彂寰鏈嶅姟鍣ㄧ殑錛涚浜岀鏄氳繃鏁版嵁搴撹鍏ワ紱榪樻湁絎?縐嶈緭鍏ユ瘮杈冨鏉傦紝JSP鍦ㄧ涓嬈¤繍琛屾椂鎬繪槸琚紪璇戞垚Servlet錛孞SP涓父甯稿寘鍚腑鏂囧瓧絎︼紝閭ｄ箞緙栬瘧浣跨敤javac鏃訛紝Java灝嗘牴鎹粯璁ょ殑鎿嶄綔緋葷粺緙栫爜浣滀負鍒濆緙栫爜銆傞櫎闈炵壒鍒寚瀹氾紝濡傚湪Jbuilder/eclipse涓彲浠ユ寚瀹氶粯璁ょ殑瀛楃闆嗐?br />
銆銆杈撳嚭閫斿緞涔熸湁鍑犵錛氱涓縐嶆槸JSP欏甸潰鐨勮緭鍑恒傜敱浜嶫SP欏甸潰宸茬粡琚紪璇戞垚Servlet錛岄偅涔堝湪杈撳嚭鏃訛紝涔熷皢鏍規嵁鎿嶄綔緋葷粺鐨勯粯璁ょ紪鐮佹潵閫夋嫨杈撳嚭緙栫爜錛岄櫎闈炴寚瀹氳緭鍑虹紪鐮佹柟寮忥紱榪樻湁杈撳嚭閫斿緞鏄暟鎹簱錛屽皢瀛楃涓茶緭鍑哄埌鏁版嵁搴撱?br />
銆銆鐢辨鐪嬫潵錛屼竴涓狫2EE緋葷粺鐨勮緭鍏ヨ緭鍑烘槸闈炲父澶嶆潅錛岃屼笖鏄姩鎬佸彉鍖栫殑錛岃孞ava鏄法騫沖彴榪愯鐨勶紝鍦ㄥ疄闄呯紪璇戝拰榪愯涓紝閮藉彲鑳芥秹鍙婂埌涓嶅悓鐨勬搷浣滅郴緇燂紝濡傛灉浠葷敱Java鑷敱鏍規嵁鎿嶄綔緋葷粺鏉ュ喅瀹氳緭鍏ヨ緭鍑虹殑緙栫爜瀛楃闆嗭紝榪欏皢涓嶅彲鎺у埗鍦板嚭鐜頒貢鐮併?br />
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銆銆鎸囧畾緇熶竴瀛楃闆嗘椂錛屽埌搴曟槸鎸囧畾ISO8859_1聽銆丟BK榪樻槸UTF-8鍛紵
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銆銆榪愯鎿嶄綔緋葷粺鐨勯粯璁ょ紪鐮佸繀欏繪槸ISO8859_1錛屽Linux銆?br />
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銆銆閭ｄ箞鏈夋病鏈変竴縐嶉櫎浜嗗簲鐢ㄧ郴緇熶互澶栦笉闇瑕佽繘琛屼換浣曢檮鍔犺緗殑涓枃緙栫爜鏍規湰瑙ｅ喅鏂規鍛紵
銆銆灝咼ava/J2EE緋葷粺鐨勭粺涓緙栫爜瀹氫箟涓篣TF-8銆俇TF-8緙栫爜鏄竴縐嶅吋瀹規墍鏈夎璦鐨勭紪鐮佹柟寮忥紝鎯熶竴姣旇緝楹葷儲鐨勫氨鏄鎵懼埌搴旂敤緋葷粺鐨勬墍鏈夊嚭鍏ュ彛錛岀劧鍚庝嬌鐢║TF-8鍘燴滅粨鎵庘濆畠銆?br />
銆銆涓涓狫2EE搴旂敤緋葷粺闇瑕佸仛涓嬪垪鍑犳宸ヤ綔錛?br />
寮鍙戝拰緙栬瘧浠ｇ爜鏃舵寚瀹氬瓧絎﹂泦涓篣TF-8銆侸Builder鍜孍clipse閮藉彲浠ュ湪欏圭洰灞炴т腑璁劇疆銆?br />浣跨敤榪囨護鍣紝濡傛灉鎵鏈夎姹傞兘緇忚繃涓涓猄ervlet鎺у埗鍒嗛厤鍣紝閭ｄ箞浣跨敤Servlet鐨刦ilter鎵ц璇彞錛屽皢鎵鏈夋潵鑷祻瑙堝櫒鐨勮姹傦紙request錛夎漿鎹負UTF-8錛屽洜涓烘祻瑙堝櫒鍙戣繃鏉ョ殑璇鋒眰鍖呮牴鎹祻瑙堝櫒鎵鍦ㄧ殑鎿嶄綔緋葷粺緙栫爜錛屽彲鑳芥槸鍚勭褰㈠紡緙栫爜銆傚叧閿竴鍙ワ細
request.setCharacterEncoding("UTF-8")銆?br />緗戜笂鏈夋filter鐨勬簮鐮侊紝Jdon妗嗘灦婧愮爜涓璫om.jdon.util.SetCharacterEncodingFilter
闇瑕侀厤緗畐eb.xml聽嬋媧昏Filter銆?br />鍦↗SP澶撮儴澹版槑錛?lt;%@聽page聽contentType="text/html;charset=聽UTF-8"聽%>銆?br />鍦↗sp鐨刪tml浠ｇ爜涓紝澹版槑UTF-8:
<meta聽http-equiv="Content-Type"聽content="text/html;聽charset=utf-8">
璁懼畾鏁版嵁搴撹繛鎺ユ柟寮忔槸UTF-8銆備緥濡傝繛鎺YSQL鏃墮厤緗甎RL濡備笅錛?br />jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=UTF-8
涓鑸暟鎹簱閮藉彲浠ラ氳繃綆＄悊璁劇疆璁懼畾UTF-8
鍏朵粬鍜屽鐣屼氦浜掓椂鑳藉璁懼畾緙栫爜鏃跺氨璁懼畾UTF-8錛屼緥濡傝鍙栨枃浠訛紝鎿嶄綔XML絳夈?br />銆銆浠ュ墠鍦↗sp/Servlet鏃跺氨閲囧彇榪欎釜鍘熷垯錛屽悗鏉ヤ嬌鐢⊿truts銆乀apestry銆丒JB銆丠ibernate銆丣don絳夋鏋舵椂錛屼粠鏈涔辯爜鍥版壈榪囷紝鍙互璇撮傚悎鍚勭鏋舵瀯銆傚笇鏈涙湰鏂規渚涙洿澶氬垵瀛﹁呭垎浜紝鍑忓皯Java/J2EE鐨勭涓涓嫤璺檸錛屼篃閬垮厤鍥犱負閲囧彇涓浜涗復鏃惰В鍐蟲柟妗堬紝瀵艱嚧涓枃闂涓鐩村嚭鐜板湪鏂扮殑鎶鏈灦鏋勪腑銆?br />
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