]]>
鏈榪戝鎴鋒彁浜嗕釜灝忔敼鍔紝瀹㈡埛緗戠珯涓婂浘鐗囧瓨鏀劇殑鐩綍闇瑕佹敼鍔ㄤ竴涓嬨備緥濡傚湪緗戜笂璁塊棶鏄痺ww.tkk7.com/images/*.*錛屽湪鏈嶅姟鍣ㄤ笂鐨勭洰褰曟槸D:/<webroot>/images/*.*,瀹㈡埛鎯蟲妸榪欎釜images鐩綍涓嬬殑璧勬簮鍏ㄩ儴縐誨姩鍒癊:/data/閲岄潰鍘伙紝浣嗘槸鍦ㄧ綉涓妛ww.tkk7.com/images/*.*榪樻槸鍚屾牱鍙互璁塊棶寰楀埌錛屾垜鍒氬紑濮嬬姱浜嗗艦寮忎富涔夌殑閿欒錛岃佹槸鎯崇敤紼嬪簭瑙ｅ喅錛屼竴浼歠ilter錛屼竴浼歴ervlet/action錛屽悗鏉ユ垜閰嶇疆紼嬪簭鐨勬椂鍊欑獊鐒剁湅鍒頒簡server.xml錛屼簬鏄垜鎯沖埌浜嗛夋嫨鐢ㄦ槧灝勭殑鏂瑰紡銆傛濂斤紝server.xml涓殑<Context>灝辨槸鍋氳繖涓簨鎯呯殑銆備簬鏄箮鎴戜滑鍦?lt;Host></Host>涓鍔犱簡涓涓?lt;Context docBase="E:/data/images" path="/images">,OK,閲嶅惎涔嬪悗錛屾墍鏈夋绱ww.tkk7.com/images璺緞涓嬬殑璧勬簮瀹為檯涓婇兘鐢盓:/data/images涓嬬殑璧勬簮鎻愪緵浜嗐?br />
]]>
/**
* @(#)DeadLock.java v0.1.0 2007-12-13
*/
package ruislan.rswing.test;
import java.net.InetSocketAddress;
import java.nio.channels.ClosedChannelException;
import java.nio.channels.SelectionKey;
import java.nio.channels.Selector;
import java.nio.channels.SocketChannel;
import java.util.concurrent.Executors;
/**
* NIO DeadLock
*
* @author ruislan <a href="mailto:z17520@126.com"/>
* @version 0.1.0
*/
public class DeadLock {
public static void main(String[] args) throws Exception {
Service service = new Service();
Executors.newSingleThreadExecutor().execute(service);
SocketChannel channel = SocketChannel.open();
channel.configureBlocking(false);
channel.connect(new InetSocketAddress("http://www.tkk7.com", 80));
service.addChannel(channel);
}
static class Service implements Runnable {
Selector selector;
public Service() {
}
public void run() {
try {
selector = Selector.open();
while (true) {
selector.select();
System.out.println(selector.selectedKeys().size());
}
} catch (Exception e) {
}
}
public void addChannel(SocketChannel channel) {
try {
channel.register(selector, SelectionKey.OP_CONNECT
| SelectionKey.OP_READ);
System.out.println("can reach here?when pigs fly!");
} catch (ClosedChannelException e) {
e.printStackTrace();
}
}
}
}
* @(#)DeadLock.java v0.1.0 2007-12-13
*/
package ruislan.rswing.test;
import java.net.InetSocketAddress;
import java.nio.channels.ClosedChannelException;
import java.nio.channels.SelectionKey;
import java.nio.channels.Selector;
import java.nio.channels.SocketChannel;
import java.util.concurrent.Executors;
/**
* NIO DeadLock
*
* @author ruislan <a href="mailto:z17520@126.com"/>
* @version 0.1.0
*/
public class DeadLock {
public static void main(String[] args) throws Exception {
Service service = new Service();
Executors.newSingleThreadExecutor().execute(service);
SocketChannel channel = SocketChannel.open();
channel.configureBlocking(false);
channel.connect(new InetSocketAddress("http://www.tkk7.com", 80));
service.addChannel(channel);
}
static class Service implements Runnable {
Selector selector;
public Service() {
}
public void run() {
try {
selector = Selector.open();
while (true) {
selector.select();
System.out.println(selector.selectedKeys().size());
}
} catch (Exception e) {
}
}
public void addChannel(SocketChannel channel) {
try {
channel.register(selector, SelectionKey.OP_CONNECT
| SelectionKey.OP_READ);
System.out.println("can reach here?when pigs fly!");
} catch (ClosedChannelException e) {
e.printStackTrace();
}
}
}
}
涔嶇湅涔嬩笅錛屾垜浠殑浠ｇ爜娌℃湁闂錛屼絾鏄繍琛屼箣鍚庝綘浼氬彂鐜幫紝榪欏彞System.out.println("can reach here?when pigs fly!");姘歌繙鏃犳硶鎵ц錛屼篃灝辨槸璇磖egister()鏂規硶琚樆濉炰簡錛丱h god bless錛岃鎴戜滑鐪嬬湅JavaDoc鏄庝箞璇寸殑錛?br />
...
鍙湪浠繪剰鏃墮棿璋冪敤姝ゆ柟娉曘傚鏋滆皟鐢ㄦ鏂規硶鐨勫悓鏃舵鍦ㄨ繘琛屽彟涓涓鏂規硶鎴?configureBlocking 鏂規硶鐨勮皟鐢紝鍒欏湪鍙︿竴涓搷浣滃畬鎴愬墠灝嗛鍏堥樆濉炶璋冪敤銆傜劧鍚庢鏂規硶灝嗗湪閫夋嫨鍣ㄧ殑閿泦涓婂疄鐜板悓姝ワ紝鍥犳濡傛灉璋冪敤姝ゆ柟娉曟椂騫跺彂鍦拌皟鐢ㄤ簡娑夊強鍚屼竴閫夋嫨鍣ㄧ殑鍙︿竴涓敞鍐屾垨閫夋嫨鎿嶄綔錛屽垯鍙兘闃誨姝ゆ柟娉曠殑璋冪敤銆?br /> ...
鐪嬭繖鍙?#8220;鍙湪浠繪剰鏃墮棿璋冪敤姝ゆ柟娉曘?#8221;錛屼篃灝辨槸璇存垜浠皟鐢ㄧ殑鏃墮棿娌℃湁浠諱綍闄愬埗錛岃岄樆濉炵殑鎯呭喌鍙細鍑虹幇鍦?#8220;濡傛灉璋冪敤姝ゆ柟娉曠殑鍚屾椂姝ｅ湪榪涜鍙︿竴涓鏂規硶鎴?configureBlocking 鏂規硶鐨勮皟鐢?#8221;鐨勬儏鍐典笅錛屽嵆渚挎槸闃誨浜嗭紝鎴戠浉淇?#8220;姝ｅ湪榪涜鍙︿竴涓鏂規硶鎴朿onfigureBlocking”涔熶笉浼氳姳鎺夊お澶氱殑鏃墮棿錛屽喌涓旇繖閲屾病鏈変笂闈㈣繖鏍風殑鎯呭喌鍑虹幇銆傞偅register()鏄璋佹尅浣忎簡錛熸垨鑰呮槸BUG錛?br />
鎴戜滑鏉ュ垎鏋愪竴涓嬬▼搴忥紝紼嬪簭鏈変袱涓嚎紼嬩富綰跨▼鍜孲ervice綰跨▼錛屼富綰跨▼鍚姩鍚庡惎鍔ㄤ簡Service綰跨▼錛孲ervice綰跨▼鍚姩Selector鐒跺悗Service綰跨▼闄峰叆select()鐨勯樆濉炰腑錛屽悓鏃訛紝涓葷嚎紼嬭皟鐢⊿ervice鐨刟ddChannel()鏂規硶鏉ユ坊鍔犱竴涓猄ocketChannel錛屽棷錛屼袱涓嚎紼嬩箣闂村敮涓鐨勮仈緋誨氨鏄痵elector錛岀湅鏉ヨ浠巗elector瀵繪壘綰跨儲錛屽緢鍙儨錛宻elector鐨勫疄鐜版病鏈夋簮浠ｇ爜鍙煡錛屼笉榪囧彲浠ヨ偗瀹氭槸channel鐨剅egister()浼氳皟鐢╯elector鐨剅egister()錛岃櫧鐒舵鏃舵寔鏈塻elector鐨凷ervice綰跨▼琚玸elect()鏂規硶鎵闃誨錛屼絾鏄茍涓嶅獎鍝嶅叾浠栫嚎紼嬪鍏舵搷浣滃惂錛熼偅涔堬紝鍓╀笅鐨勮В閲婂氨鏄疭elector鐨剆elect()鏂規硶鍜宺egister()鏂規硶鍏敤浜嗕竴涓攣錛宻elect()鏂規硶闃誨浣忎簡錛屾墍浠egister()鎷夸笉鍒拌繖涓攣浜嗭紝閭ｄ箞榪欐牱涓鏉ユ垜浠氨鍙兘淇濊瘉璁﹕elect()鎴栬卹egister()涓嶈兘鍚屾椂璋冪敤鎴栬卹egister()璋冪敤鐨勬椂鍊檚elect()涓嶆寔鏈夎繖涓攣錛屼篃灝辨槸璇存垜浠鐢⊿ervice綰跨▼鑷繁鏉ユ墽琛宎ddChannel()鏂規硶錛屾墍浠ユ敼榪涘涓嬶細
/**
* @(#)DeadLock.java v0.1.0 2007-12-13
*/
package ruislan.rswing.test;
import java.net.InetSocketAddress;
import java.nio.channels.ClosedChannelException;
import java.nio.channels.SelectionKey;
import java.nio.channels.Selector;
import java.nio.channels.SocketChannel;
import java.util.Queue;
import java.util.concurrent.LinkedBlockingQueue;
/**
* NIO DeadLock
*
* @author ruislan <a href="mailto:z17520@126.com"/>
* @version 0.1.0
*/
public class DeadLock {
public static void main(String[] args) {
Service service = new Service();
new Thread(service).start();
for (int i = 0; i < 5; i++) {
new Thread(new ChannelAdder(service)).start();
}
}
static class ChannelAdder implements Runnable {
private Service service;
public ChannelAdder(Service service) {
this.service = service;
}
@Override
public void run() {
try {
SocketChannel channel = SocketChannel.open();
channel.configureBlocking(false);
channel.connect(new InetSocketAddress(
"http://www.tkk7.com", 80));
service.addChannel(channel);
} catch (Exception e) {
e.printStackTrace();
}
}
}
static class Service implements Runnable {
private Selector selector;
private Queue<SocketChannel> pendingRegisters;
public Service() {
pendingRegisters = new LinkedBlockingQueue<SocketChannel>();
}
public void run() {
try {
selector = Selector.open();
while (true) {
selector.select();
System.out.println(selector.selectedKeys().size());
handlePendingRegisters();
}
} catch (Exception e) {
}
}
public void handlePendingRegisters() {
while (!pendingRegisters.isEmpty()) {
SocketChannel channel = pendingRegisters.poll();
try {
channel.register(selector, SelectionKey.OP_CONNECT);
System.out.println("can reach here?yeah!");
} catch (ClosedChannelException e) {
e.printStackTrace();
}
}
}
public void addChannel(SocketChannel channel) {
pendingRegisters.offer(channel);
selector.wakeup();
}
}
}
* @(#)DeadLock.java v0.1.0 2007-12-13
*/
package ruislan.rswing.test;
import java.net.InetSocketAddress;
import java.nio.channels.ClosedChannelException;
import java.nio.channels.SelectionKey;
import java.nio.channels.Selector;
import java.nio.channels.SocketChannel;
import java.util.Queue;
import java.util.concurrent.LinkedBlockingQueue;
/**
* NIO DeadLock
*
* @author ruislan <a href="mailto:z17520@126.com"/>
* @version 0.1.0
*/
public class DeadLock {
public static void main(String[] args) {
Service service = new Service();
new Thread(service).start();
for (int i = 0; i < 5; i++) {
new Thread(new ChannelAdder(service)).start();
}
}
static class ChannelAdder implements Runnable {
private Service service;
public ChannelAdder(Service service) {
this.service = service;
}
@Override
public void run() {
try {
SocketChannel channel = SocketChannel.open();
channel.configureBlocking(false);
channel.connect(new InetSocketAddress(
"http://www.tkk7.com", 80));
service.addChannel(channel);
} catch (Exception e) {
e.printStackTrace();
}
}
}
static class Service implements Runnable {
private Selector selector;
private Queue<SocketChannel> pendingRegisters;
public Service() {
pendingRegisters = new LinkedBlockingQueue<SocketChannel>();
}
public void run() {
try {
selector = Selector.open();
while (true) {
selector.select();
System.out.println(selector.selectedKeys().size());
handlePendingRegisters();
}
} catch (Exception e) {
}
}
public void handlePendingRegisters() {
while (!pendingRegisters.isEmpty()) {
SocketChannel channel = pendingRegisters.poll();
try {
channel.register(selector, SelectionKey.OP_CONNECT);
System.out.println("can reach here?yeah!");
} catch (ClosedChannelException e) {
e.printStackTrace();
}
}
}
public void addChannel(SocketChannel channel) {
pendingRegisters.offer(channel);
selector.wakeup();
}
}
}
鏂扮殑浠ｇ爜錛屾垜浠湪Service鐨勭嚎紼嬫彁渚涗簡涓涓緟澶勭悊Channel闃熷垪錛岀劧鍚庡湪娣誨姞涓涓猄ocketChannel鍒伴槦鍒椾腑鏃跺敜閱掕繖涓猻elector錛屽彇娑堥樆濉烇紝鐒跺悗鍦⊿ervice鐨勫驚鐜腑澶勭悊榪欎釜pendingChannel錛岃繖鏍峰氨閬垮厤榪欎釜Deadlock鐨勫彂鐢熶簡銆傚綋鐒舵垜浠害鍙互鍦ㄩ偅涓唬鐮佷笂灝唖elect鐨勮秴鏃舵椂闂磋緗潪甯哥殑鐭紝鐒跺悗璁╀袱涓嚎紼嬪幓绔炰簤錛岃繖鏍峰仛鏈夊お澶氱殑涓嶅彲鎺фэ紝涓嶆帹鑽愪簡銆?br />
]]>
Swing涓殑綰跨▼鏈変笁縐嶏細鍒濆綰跨▼錛屼簨浠剁嚎紼嬶紝宸ヤ綔綰跨▼
榪欎笁縐嶇嚎紼嬪熀鏈笂鍖呮嫭浜嗚涓涓狦UI瀹岀編宸ヤ綔鐨勬柟鏂歸潰闈紝棣栧厛錛屽垵濮嬬嚎紼嬭鐢ㄦ潵鍒涘緩GUI緇勪歡銆佽祫婧愬姞杞藉拰鍚姩GUI緇勪歡錛屼紬鎵鍛ㄧ煡錛孲wing鏄簨浠墮┍鍔ㄧ殑錛屾墍浠ュ綋UI鍑虹幇浜嗕箣鍚庯紝鍒濆綰跨▼灝卞畬鎴愪簡瀹冪殑浣垮懡錛屽茍灝嗘帴鍔涙浜ょ粰浜嗕簨浠剁嚎紼?Event Dispatch Thread錛岃繖涓椂鍊欐墍鏈夌粍浠剁殑浜嬩歡琛屼負閮戒氦緇欎簡榪欎釜綰跨▼鍘誨鐞嗭紝褰撶劧鎴戜滑鑷繁涔熻闇瑕佺敤綰跨▼鏉ヨ繍琛岃澶氫換鍔★紝浼樼鐨凣UI紼嬪簭鏄粷涓嶈兘璁╃晫闈㈣鍗℃涓嶅姩鐨勶紝閭ｄ細璁╃敤鎴峰穿婧冿紝鎵浠ヨ繖涓椂鍊欏氨闇瑕佸伐浣滅嚎紼嬩簡錛屼篃鍙互璇存槸鍦ㄨ儗鍚庤繍琛岀殑綰跨▼錛岃繖縐嶇嚎紼嬫槸鍔沖姩闃剁駭錛屼換鍔充換鎬ㄧ殑鎵ц鑰呴暱鏃墮棿鐨勫伐浣溿?br />
鍒濆綰跨▼鐨勫啓娉曞緢綆鍗曪紝榪欐牱灝卞彲浠ヤ簡錛?br />
SwingUtilities.invokeLater(new Runnable() {
public void run() {
initGUI();
showGUI();
}
}
public void run() {
initGUI();
showGUI();
}
}
浣嗘槸Applet涓紝浣犲彲鑳介渶瑕佽皟鐢⊿wingUtilities.invokeAndWait榪欎釜鏂規硶錛岃鏄痠nit鏂規硶榪斿洖浜嗭紝嫻忚鍣ㄥ紑濮嬪睍鐜癆pplet錛屼絾鏄疓UI鐨勫垱寤鴻繕鍦╰hread涓紝鍑洪敊涔熸槸鍙兂鑰岀煡鐨勩?br /> 鑷充簬invokeLater鍜宨nvokeAndWait榪欎袱涓嚎紼嬬殑綆鍗曠偣鐨勫尯鍒氨鏄痠nvokeLater鏄紓姝ョ殑錛屼綘涓嶇煡閬撳畠浠涔堟椂鍊欎細寮濮嬫墽琛岋紝invokeAndWait鍒欐槸鍚屾鐨勶紝瀹冧細絳夊埌鍔ㄤ綔鎵ц瀹屾垚涔嬪悗鎵嶈繑鍥炪?br />
Event Dispatch Thread涓嶆槸綰跨▼瀹夊叏鐨勶紝鎵浠ヨ鐢ㄧ嚎紼嬫潵涓庡畠鎵撲氦閬撹娉ㄦ剰浜嗭紝鍚屾闂鎬繪槸璁╀漢澶寸棝銆?br />
鍦?.5涔嬪墠搴旇璇村伐浣滅嚎紼嬮兘鏄敱寮鍙戜漢鍛樿嚜宸卞幓瀹氫箟鐨勶紝浣嗘槸鐜板湪Swing鎺ㄨ崘浜哠wingWorker榪欎釜綾伙紝鍖呮嫭Swing鏈鏂扮殑絎﹀悎JSR鏍囧噯鐨凷wing AppFramework涔熶嬌鐢ㄤ簡SwingWorker榪欎釜綾繪潵澶勭悊鎵鏈夊湪GUI鑳屽悗鍋氱殑浜嬫儏銆?br />
浜嗚В浜哠wing涓殑綰跨▼瀹氫箟錛岃兘澶熻鎴戜滑鏇村ソ鐨勫啓鍑轟紭緹庣殑鍩轟簬Swing鐨凣UI紼嬪簭銆?br />
]]>
鍥炴潵浜嗗厛鎶ュ憡涓涓狟logjava鐨凚UG錛屽氨鏄敤Opera9嫻忚鍣ㄥ啓鏂囩珷鏃朵笉鑳界敤榧犳爣鐐瑰嚮緙栬緫鍖猴紝榪樺ソ鐢═AB鍙互鍒囨崲榪囨潵錛岀劧鍚庡氨鏄敤Google杈撳叆娉曠殑璇濓紝鏍囩偣絎﹀彿鍜屾暟瀛楄緭鍏ヤ竴嬈★紝緙栬緫鍖轟細鍑烘潵涓や釜錛屾渶鍚庡氨鏄紪杈戝畬涔嬪悗濂藉儚鍐呭涔熶繚瀛樹笉浜嗭紝鎵浠ユ垜鍙堟崲鍥濬F鏉ョ紪杈戜簡銆?br />
鍥炴潵浜嗗嵈涓嶇煡浠庝綍寮濮嬩簡錛岀粍浠剁殑鏀歸犱篃綆楁姏鐮栧紩鐜変簡錛堝綋鐒跺鏋滀綘浠枩嬈紝鎴戣繕鍙互緇х畫鏀歸狅級錛屽啺灝佺殑紼嬪簭瑕佺戶緇敼閫犵殑璇濆氨瑕佸紑涓涓伐紼嬩簡澶у闆嗕綋鍙備笌浜嗭紝鎵浠ラ偅灝辮繕鏄厛浠庝笂嬈″摢浣嶄粊鍏勬彁鍒扮殑緇勪歡閫忔槑鐨勯棶棰橈紝浠庨偅涓紑濮嬪惂錛乻how time銆?br />
]]>
姝ｅ父鐨勬儏鍐碉紝鍙充笅瑙掑嚭鐜頒簡涓涓搷浣滄
鍦ㄤ笁涓紙宸︺佸彸銆佸簳錛夎竟闄呯殑鎯呭喌錛屾垜浠噸鏂拌綆椾簡浣嶇疆銆?br />
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