鍙︼細(xì)濡傛灉閬囧埌閲嶅浣跨敤@Qualifer鏍囨敞鍒悕
濡傛灉涓嶉渶瑕佹煇浜涘睘鎬ф敞鍏ュ彲浠ヨ緗瓵utowired鎴杛esources鐨剅equired灞炴т負(fù)false
2.灝哹ean綰沖叆spring瀹瑰櫒鏈?縐嶆柟寮?br /> 2.1 @Component錛堣〃紺烘槸spring瀹瑰櫒涓殑bean錛屾瘮杈冧腑绔?娌℃湁鍏朵粬鍚箟錛?br /> 2.2 @Controller 錛孈Service 錛孈Repository錛岃繖3縐嶅拰@Compnent鍔熻兘涓鏍鳳紝鍙槸鐢ㄤ簬涓夊眰鏋舵瀯涓殑鎺у埗錛屼笟鍔″強(qiáng)鎸佷箙灞傘傜洰鍓嶅彧鏄懡鍚嶄笉鍚屻?br /> 鍙︼細(xì)@Scope鍙互瀹氫箟bean鐨勪綔鐢ㄨ寖鍥淬?br /> 3.瀵逛簬娉ㄨВ闇瑕侀厤緗甤ontext:component-scan瀹氫箟鍒濆鍖栧鍣ㄦ壂鎻忕殑鐩綍銆?br />
<context:component-scan base-package="com.blog">
4.娉ㄩ噴閰嶇疆鍜?XML 閰嶇疆鐨勯傜敤鍦哄悎
4.1娉ㄩ噴閰嶇疆涓嶄竴瀹氬湪鍏堝ぉ涓婁紭浜?XML 閰嶇疆銆傚鏋?Bean 鐨勪緷璧栧叧緋繪槸鍥哄畾鐨勶紝錛堝 Service 浣跨敤浜嗗摢鍑犱釜 DAO 綾伙級錛岃繖縐嶉厤緗俊鎭笉浼?xì)鍦ㄩ儴缰v鏃跺彂鐢熻皟鏁達(dá)紝閭ｄ箞娉ㄩ噴閰嶇疆浼樹簬 XML 閰嶇疆錛涘弽涔嬪鏋滆繖縐嶄緷璧栧叧緋諱細(xì)鍦ㄩ儴緗叉椂鍙戠敓璋冩暣錛孹ML 閰嶇疆鏄劇劧鍙堜紭浜庢敞閲婇厤緗紝鍥犱負(fù)娉ㄩ噴鏄 Java 婧愪唬鐮佺殑璋冩暣錛屾?zhèn)ㄩ渶瑕侀噸鏂版敼鍐欐簮浠ｇ爜騫墮噸鏂扮紪璇戞墠鍙互瀹炴柦璋冩暣銆?br />
4.2濡傛灉 Bean 涓嶆槸鑷繁緙栧啓鐨勭被錛堝 JdbcTemplate銆丼essionFactoryBean 絳夛級錛屾敞閲婇厤緗皢鏃犳硶瀹炴柦錛屾鏃?XML 閰嶇疆鏄敮涓鍙敤鐨勬柟寮忋?br />
4.3娉ㄩ噴閰嶇疆寰寰鏄被綰у埆鐨勶紝鑰?XML 閰嶇疆鍒欏彲浠ヨ〃鐜板緱鏇村姞鐏墊椿銆傛瘮濡傜浉姣斾簬 @Transaction 浜嬪姟娉ㄩ噴錛屼嬌鐢?aop/tx 鍛藉悕絀洪棿鐨勪簨鍔￠厤緗洿鍔犵伒媧誨拰綆鍗曘?br />
4.4鎵浠ュ湪瀹炵幇搴旂敤涓紝鎴戜滑寰寰闇瑕佸悓鏃朵嬌鐢ㄦ敞閲婇厤緗拰 XML 閰嶇疆錛?strong>瀵逛簬綾葷駭鍒笖涓嶄細(xì)鍙戠敓鍙樺姩鐨勯厤緗彲浠ヤ紭鍏堣冭檻娉ㄩ噴閰嶇疆錛?strong>鑰屽浜庨偅浜涚涓夋柟綾諱互鍙?qiáng)瀹规槗鍙戠敓璋冩暣鐨勯厤缃垯搴斾紭鍏堣冭檻浣跨敤 XML 閰嶇疆銆?br />
鍙傝冭祫鏂欙細(xì)
http://kdboy.javaeye.com/blog/419159
http://www.ibm.com/developerworks/cn/java/j-lo-spring25-ioc/
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1.OutOfMemoryError: Java heap space
2.OutOfMemoryError: PermGen space
3.OutOfMemoryError: unable to create new native thread.
瀵逛簬鍓嶄袱縐嶆儏鍐碉紝鍦ㄥ簲鐢ㄦ湰韜病鏈夊唴瀛樻硠闇茬殑鎯呭喌涓嬪彲浠ョ敤璁劇疆tomcat jvm鍙傛暟鏉ヨВ鍐熾傦紙-Xms -Xmx -XX:PermSize -XX:MaxPermSize錛?br /> 鏈鍚庝竴縐嶅彲鑳介渶瑕佽皟鏁存搷浣滅郴緇熷拰tomcat jvm鍙傛暟鍚屾椂璋冩暣鎵嶈兘杈懼埌鐩殑銆?br />
絎竴縐嶏細(xì)鏄爢婧㈠嚭銆?br /> 鍦↗VM涓鏋?8錛呯殑鏃墮棿鏄敤浜嶨C涓斿彲鐢ㄧ殑 Heap size 涓嶈凍2錛呯殑鏃跺欏皢鎶涘嚭姝ゅ紓甯鎬俊鎭?br /> 娌℃湁鍐呭瓨娉勯湶鐨勬儏鍐典笅錛岃皟鏁?Xms -Xmx鍙傛暟鍙互瑙ｅ喅銆?br /> -Xms:鍒濆鍫嗗ぇ灝?nbsp;
-Xmx:鏈澶у爢澶у皬
浣嗗爢鐨勫ぇ灝忓彈涓嬮潰涓夋柟闈㈠獎鍝嶏細(xì)
1.鐩稿叧鎿嶄綔緋葷粺鐨勬暟鎹ā鍨嬶紙32-bt榪樻槸64-bit錛夐檺鍒訛紱錛?2浣嶇郴緇熶笅錛屼竴鑸檺鍒跺湪1.5G~2G錛涙垜鍦?003 server 緋葷粺涓嬶紙鐗╃悊鍐呭瓨錛?G鍜?G錛宩dk錛?.6錛夋祴璇?1612M錛?4涓烘搷浣滅郴緇熷鍐呭瓨鏃犻檺鍒躲傦級
2.緋葷粺鐨勫彲鐢ㄨ櫄鎷熷唴瀛橀檺鍒訛紱
3.緋葷粺鐨勫彲鐢ㄧ墿鐞嗗唴瀛橀檺鍒躲?br /> 鍫嗙殑澶у皬鍙互浣跨敤 java -Xmx***M version 鍛戒護(hù)鏉ユ祴璇曘傛敮鎸佺殑璇濅細(xì)鍑虹幇jdk鐨勭増鏈彿錛屼笉鏀寔浼?xì)鎶ラ敊銆?br /> -Xms -Xmx涓鑸厤緗垚涓鏍鋒瘮杈冨ソ姣斿set JAVA_OPTS= -Xms1024m -Xmx1024m
絎簩縐嶏細(xì)姘鎬箙淇濆瓨鍖哄煙婧㈠嚭
PermGen space鐨勫叏縐版槸Permanent Generation space,鏄寚鍐呭瓨鐨勬案涔呬繚瀛樺尯鍩熴傝繖涓閮ㄥ垎鐢ㄤ簬瀛樻斁Class鍜孧eta鐨勪俊鎭?Class鍦ㄨ Load鐨勬椂鍊欒鏀懼叆PermGen space鍖哄煙錛屽畠鍜屽拰瀛樻斁Instance鐨凥eap鍖哄煙涓嶅悓,GC(Garbage Collection)涓嶄細(xì)鍦ㄤ富紼嬪簭榪愯鏈熷PermGen space榪涜娓呯悊錛屾墍浠ュ鏋滀綘鐨凙PP浼?xì)LOAD寰堝CLASS鐨勮瘽,灝卞緢鍙兘鍑虹幇PermGen space閿欒銆傝繖縐嶉敊璇父瑙佸湪web鏈嶅姟鍣ㄥJSP榪涜pre compile鐨勬椂鍊欍備絾鐩墠鐨刪ibernate鍜宻pring欏圭洰涓篃寰堝鏄撳嚭鐜拌繖鏍風(fēng)殑闂銆?a >http://www.javaeye.com/topic/80620?page=1 鐨勫笘瀛愭湁璁ㄨ鐨勮繖涓棶棰樸傚彲鑳芥槸鐢變簬榪欎簺妗嗘灦浼?xì)鍔ㄦ乧lass錛岃屼笖jvm鐨刧c鏄笉浼?xì)娓呯悊PemGen space鐨勶紝瀵艱嚧鍐呭瓨婧㈠嚭銆?br /> 榪欎竴涓竴鑸槸鍔犲ぇ-XX:PermSize -XX:MaxPermSize 鏉ヨВ鍐抽棶棰樸?br /> -XX:PermSize 姘鎬箙淇濆瓨鍖哄煙鍒濆澶у皬
-XX:PermSize 姘鎬箙淇濆瓨鍖哄煙鍒濆鏈澶у?br /> 榪欎竴鑸粨鍚堢涓鏉′嬌鐢紝姣斿 set JAVA_OPTS= -Xms1024m -Xmx1024m -XX:PermSize=128M -XX:PermSize=256M
鏈変竴鐐歸渶瑕佹敞鎰忥細(xì)java -Xmx***M version 鍛戒護(hù)鏉ユ祴璇曠殑鏈澶у爢鍐呭瓨鏄?-Xmx涓?nbsp;-XX:PermSize鐨?鍜?姣斿緋葷粺鏀寔鏈澶х殑jvm鍫嗗ぇ灝忎簨1.5G錛岄偅 -Xmx1024m -XX:PermSize=768M 鏄棤娉曡繍琛岀殑銆?br />
絎笁縐嶏細(xì)鏃犳硶鍒涘緩鏂扮殑綰跨▼銆?br /> 榪欑鐜拌薄姣旇緝?yōu)畱瑙佸Q屼篃姣旇緝濂囨紝涓昏鏄拰jvm涓庣郴緇熷唴瀛樼殑姣斾緥鏈夊叧銆?br /> 榪欑鎬簨鏄洜涓篔VM宸茬粡琚郴緇熷垎閰嶄簡澶ч噺鐨勫唴瀛?姣斿1.5G)錛屽茍涓斿畠鑷沖皯瑕佸崰鐢ㄥ彲鐢ㄥ唴瀛樼殑涓鍗娿傛湁浜哄彂鐜幫紝鍦ㄧ嚎紼嬩釜鏁板緢澶氱殑鎯呭喌涓嬶紝浣犲垎閰嶇粰JVM鐨勫唴瀛樿秺澶氾紝閭ｄ箞錛屼笂榪伴敊璇彂鐢熺殑鍙兘鎬у氨瓚婂ぇ銆?br />
浜х敓榪欑鐜拌薄鐨勫師鍥犲涓嬶紙浠庤繖涓猙log涓簡瑙ｅ埌鍘熷洜錛歨ttp://hi.baidu.com/hexiong/blog/item/16dc9e518fb10c2542a75b3c.html錛夛細(xì)
姣忎竴涓?2浣嶇殑榪涚▼鏈澶氬彲浠ヤ嬌鐢?G鐨勫彲鐢ㄥ唴瀛橈紝鍥犱負(fù)鍙﹀2G琚搷浣滅郴緇熶繚鐣欍傝繖閲屽亣璁句嬌鐢?.5G緇橨VM錛岄偅涔堣繕浣欎笅500M鍙敤鍐呭瓨銆傝繖500M鍐呭瓨涓殑涓閮ㄥ垎蹇呴』鐢ㄤ簬緋葷粺dll鐨勫姞杞斤紝閭ｄ箞鐪熸鍓╀笅鐨勪篃璁稿彧鏈?00M錛岀幇鍦ㄥ叧閿殑鍦版柟鍑虹幇浜嗭細(xì)褰撲綘浣跨敤Java鍒涘緩涓涓嚎紼嬶紝鍦↗VM鐨勫唴瀛橀噷涔熶細(xì)鍒涘緩涓涓猅hread瀵硅薄錛屼絾鏄悓鏃朵篃浼?xì)鍦ㄦ搷浣溇p葷粺閲屽垱寤轟竴涓湡姝ｇ殑鐗╃悊綰跨▼(鍙傝僇VM瑙勮寖)錛屾搷浣滅郴緇熶細(xì)鍦ㄤ綑涓嬬殑400鍏嗗唴瀛橀噷鍒涘緩榪欎釜鐗╃悊綰跨▼錛岃屼笉鏄湪JVM鐨?500M鐨勫唴瀛樺爢閲屽垱寤恒傚湪jdk1.4閲屽ご錛岄粯璁ょ殑鏍堝ぇ灝忔槸256KB錛屼絾鏄湪jdk1.5閲屽ご錛岄粯璁ょ殑鏍堝ぇ灝忎負(fù)1M姣忕嚎紼嬶紝鍥犳錛屽湪浣欎笅400M鐨勫彲鐢ㄥ唴瀛橀噷杈規(guī)垜浠渶澶氫篃鍙兘鍒涘緩400涓彲鐢ㄧ嚎紼嬨?/p>
榪欐牱緇撹灝卞嚭鏉ヤ簡錛岃鎯沖垱寤烘洿澶氱殑綰跨▼錛屼綘蹇呴』鍑忓皯鍒嗛厤緇橨VM鐨勬渶澶у唴瀛樸傝繕鏈変竴縐嶅仛娉曟槸璁㎎VM瀹夸富鍦ㄤ綘鐨凧NI浠ｇ爜閲岃竟銆?/p>
緇欏嚭涓涓湁鍏寵兘澶熷垱寤虹嚎紼嬬殑鏈澶т釜鏁扮殑浼扮畻鍏紡錛?/p>
(MaxProcessMemory - JVMMemory - ReservedOsMemory) / (ThreadStackSize) = Number of threads
瀵逛簬jdk1.5鑰岃█錛屽亣璁炬搷浣滅郴緇熶繚鐣?20M鍐呭瓨錛?br />
1.5GB JVM: (2GB-1.5Gb-120MB)/(1MB) = ~380 threads
1.0GB JVM: (2GB-1.0Gb-120MB)/(1MB) = ~880 threads
鍦?000/XP/2003鐨刡oot.ini閲屽ご鏈変竴涓惎鍔ㄩ夐」錛屽ソ鍍忔槸錛?font color="#339966">/PAE /3G 錛屽彲浠ヨ鐢ㄦ埛榪涚▼鏈澶у唴瀛樻墿鍏呰嚦3G錛岃繖鏃舵搷浣滅郴緇熷彧鑳藉崰鐢ㄦ渶澶?G鐨勮櫄瀛樸傞偅鏍峰簲璇ュ彲浠ヨJVM鍒涘緩鏇村鐨勭嚎紼嬨?br />
鍥犳榪欑鎯呭喌闇瑕佺粨鍚堟搷浣滅郴緇熻繘琛岀浉鍏寵皟鏁淬?br />
鍥犳錛氭垜浠渶瑕佺粨鍚堜笉鍚屾儏鍐靛tomcat鍐呭瓨鍒嗛厤榪涜涓嶅悓鐨勮瘖鏂墠鑳戒粠鏍規(guī)湰涓婅В鍐抽棶棰樸?br />
鍙傝冭祫鏂欙紙浠庤繖浜涜祫鏂欎腑鍙楃泭鑹錛夛細(xì)
http://www.javaeye.com/topic/80620?page=1
http://ggmm.blog.sohu.com/117545379.html
http://hi.baidu.com/hexiong/blog/item/16dc9e518fb10c2542a75b3c.html
http://www.wujianrong.com/archives/2006/12/javalangoutofmemoryerror_permg.html
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Java client錛?a target="_blank">http://www.infoq.com/cn/articles/memcached-java
涓嶉敊鐨勪腑鏂囪祫婧愶細(xì)http://tech.idv2.com/2008/08/17/memcached-pdf/ 錛堝鏋滆浜嗚Вmemcached緇嗚妭榪欎釜涓嶉敊錛?br /> windows memcache瀹夎錛?a target="_blank">http://www.fcicq.net/wp/?p=160
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1.springside欏圭洰鐨勫歡緇т笉濂?br /> ss2鍒皊s3.1.2闅忕潃鐗堟湰鍙風(fēng)殑澧炲姞鍔熻兘紜秺鏉ヨ秺灝忋傚仛鐨勪竴浜沝emo婕旂ず瓚婃潵瓚婁笉瀹炵敤銆?br /> 寰堟蹇典功搴楃殑demo錛岃繖涓緥瀛愬彲浠ユ墍鏄ss緇忚繃浜嗕竴涓疄璺電殑媯楠岋紝閲岄潰鐨勬妧鏈粏鑺傝冭檻鐨勮姣旂幇鍦ㄧ殑miniservice錛宮iniexample瑕佸懆鍏ㄧ殑澶氥?br /> 鎴戝枩嬈s涓鏂歸潰鏄洜涓轟粬鐨勬柊椴滅殑鏋舵瀯緇勫悎鍜屾柊鎶鏈寚瀵兼э紝鍙︿竴鏂瑰緢澶х▼搴︿笂鏄洜涓鴻繖涓猟emo錛屼粬璁╂垜鐪嬪埌浜嗘柊鏋舵瀯甯︽潵鐨勭敓浜у姏錛屽疄鍦ㄧ殑涓滆タ銆?br /> 鑰岀幇鍦ㄤ綘鍦ㄤ粠springside瀹樻柟緗戠珯涓嬭澆SpringSide 2.0 RC1 all in one錛屼笅鏉ヨ繍琛屼竴涓嬬湅鐪嬶紝娌℃湁鍗婂ぉ鍒頒竴澶╃殑鏃墮棿鏇翠笉涓嶅彲鑳借窇璧鋒潵銆傝繖涓噷闈嬌鐢╩aven鏉ョ鐞唈ar鍖咃紝浣跨敤ant鏉ヨ皟鐢紝閬楁喚鐨勬槸springside鍘熷厛寤虹珛鐨勭鏈塴ib Repository宸茬粡娑堝け浜嗭紝鍦ㄨ繖涓」鐩腑渚濊禆鐨勫寘闈炲父澶氾紝鏈変簺鏄彲浠ュ湪鍏叡鐨凴epository鎵懼埌鐨勶紝榪欓儴鍒嗗埌濂藉姙鐩存帴鍔犲叆鍏叡鐨凴epository鍦板潃灝卞彲浠ヤ簡錛岃屾湁浠ラ儴鍒嗘槸緇忚繃springside灝佽鎴栭噸鏂版墦鍖呯殑榪欎簺鍖呬綍澶勫幓瀵伙紝閭ｅ彧濂芥妸榪欎竴閮ㄥ垎灞忚斀鎺変簡錛屼繚璇侀」鐩殑榪愯銆傚師鏉ュ紩鍏ヨ繖涓猰aven宸ュ叿鏄負(fù)浜嗗緢鏂歸潰鏄庢櫚鐨勬壘鍒頒緷璧栫殑鍖咃紝榪欎笅鍊掑ソ鍙嶈屾垚浜嗙粖鑴氱煶銆傝鐞嗘竻妤氶噷闈㈢殑鍏崇郴錛岃繕鏄涓鐐規(guī)椂闂寸殑銆傝繖涓氨鏄」鐩笉寤剁畫閫犳垚鐨勩?br /> 閭ｆ湁浜哄氨濂囨簡錛岃浣犱負(fù)浠涔堜笉鐢ㄦ渶鏂扮殑鐗堟湰錛岃岃繖涔熸槸鎴戠殑鑻﹁》錛岀幇鍦ㄧ殑鏈鏂扮増鏈掓槸寰堣交閲忥紝鎶婅繖浜涗笢瑗垮叏鐮嶆帀浜嗭紝鍙暀涓嬩簡涓浜沵iniexample錛屽緢闅炬湁榪涗竴姝ョ殑鏇寸粏鑺備竴鐐圭殑鎸囧錛岃屼笖榪欎簺涓滆タ娌℃湁緇忚繃涓浜涘疄闄呴」鐩殑媯楠岋紝鍙兘榪樻槸浼?xì)鍦ňl嗚妭涓婃湁鎵嬈犵己銆傚氨鍍忎竴寮濮媠s琚皝瑁呮垚鍍弐uby涓鏍風(fēng)被浼艱嚜鍔╟rud鍔熻兘錛岃岃繖涓兂娉曞浐鐒跺緢cool浣嗗湪瀹為檯搴旂敤涓繕鏄竴涓姳鏋跺瓙錛屾湁寰堝涓嶅懆鍏ㄧ殑鍦版柟錛屽鏋滃鍩虹被涓嶆槸寰堜簡瑙ｇ殑鎯呭喌涓嬪緢闅句嬌鐢紝鍙嶈屾病鏈夎嚜宸卞啓鐨勬槑鏅板揩閫熴?br />
2.瀹氫綅涓嶆槑鏅?br /> ss2鍒皊s3.12鍍忔槸璧頒簡涓や釜鏋佺錛屼竴涓姛鑳介潪甯稿錛堝寘鎷?jms,mail,jbossrules,lucene,compass,acegi,cxf,jbpm,activemq錛夛紝涓涓竴涓嬬槮韜お鍘夊鍩烘湰鍑忓畬浜嗐?br /> 铏界劧鍦ㄥ悗緇彲寮鍙戣鍒掍腑浼?xì)闄喚l殑琛ュ厖錛屼絾鏄拰ss2鐩告瘮娉㈠姩澶ぇ錛岃屾病鏈夊湪ss2鍩虹涓婅繃搴﹁繃鏉ワ紝濂藉儚鏄彟璧風(fēng)倝鐏剁殑鎰熻銆?br /> 鐜板湪鍐嶆兂鎯硈s鐨勫畾浣嶏紝
SpringSide鏄互Spring Framework
涓烘牳蹇冿紝鎻愪緵Pragmatic鐨勪紒涓氬簲鐢ㄥ紑鍙戝紑婧怟ickstart銆?br />
瀹氫綅鎰堝姞娓呮櫚錛屼笉鍐嶄紒鍥懼仛涓涓猂oR/Gails寮忕殑妗嗘灦錛屽彧鍋氫富嫻侀夊瀷緇勫悎鐨勭紪紼嬫ā寮忔葷粨銆?br />
SpringSide2.0鐨勬湯鏈熸湁鐐圭箒鏉備笌澶辨帶錛屼綍瀹濊崳璇達(dá)細(xì)涓嶅鎴戜滑浠庡ご鏉ヨ繃榪欓噷鏄疨ragmatic錛堝疄鐢ㄧ殑錛夛紝闅鵑亾鍜宻s2鐩告瘮灝眘s3浼?xì)鏇翠娇鐢ㄥQ屾妧鏈洿鏂拌繖鏄偗瀹氱殑錛屾柊鎶鏈綋鐒跺彲浠ュ惛寮曚竴閮ㄥ垎鐪肩悆錛屼絾涓鏃︿嬌鐢ㄤ簡ss鍚庢洿甯屾湜鏄」鐩笂鐨勬寚瀵箋傝屽鏋滃彧鏄簺miniweb鍦ㄩ」鐩笂閬囧埌鐨勯棶棰樻槸寰堥毦渚濋潬榪欎釜鏉ヨВ鍐崇殑錛屾劅瑙夎繖浼?xì)浼や簡璁稿ss fans鐨勫績銆?br /> 瀹氫綅鎰堝姞娓呮櫚錛屼笉鍐嶄紒鍥懼仛涓涓猂oR/Gails寮忕殑妗嗘灦錛屽彧鍋氫富嫻侀夊瀷緇勫悎鐨勭紪紼嬫ā寮忔葷粨銆傝繖涓鐐規(guī)垜璁ゅ悓
SpringSide2.0鐨勬湯鏈熸湁鐐圭箒鏉備笌澶辨帶錛屼綍瀹濊崳璇達(dá)細(xì)涓嶅鎴戜滑浠庡ご鏉ヨ繃 ss2紜疄姣旇緝澶嶆潅錛屼絾鏄噷闈篃涓嶄箯緇忓吀鐨勪笢瑗匡紝寰堝鍦版柟閮藉彲浠ヤ負(fù)瀹為檯欏圭洰鎵鍊熼壌銆傞噸澶存潵榪囪繖涓細(xì)浼や簡鎴戜滑錛屽鏋滃畨鐗堟湰鎸佺畫涓嬪幓鍝曠増鏈參涓浜涳紝榪欐牱涓嶅ソ鍚楋紝閲嶅ご鏉ヨ繃錛屼綘鏄澶歴s鐢ㄦ埛璐熻矗鐨勩傦紙璨屼技鐜板湪svn涓?.0鐨勬簮鐮佸凡緇忔病浜嗭級
榪欓噷璇翠竴浜涢澶栬瘽錛?br /> 鍦ㄧ幇鍦ㄧ殑浜掕仈緗戝彂灞曢熷害闈炲父蹇紝鍦ㄤ簰鑱旂綉鍏徃鍩烘湰浣跨敤鐨勯兘鏄姩鎬佽璦錛屼粬浠洿鏁忔嵎錛宩ava鍦╳eb鐨勬晱鎹鋒柟闈㈡槸濡備綍浼樺寲涔熶笉鑳藉拰浠栦滑鐩告瘮鐨勩傝屼粈涔堝叕鍙鎬細(xì)鐢╯s榪欑被鐨勪笢瑗挎潵鎼緩浼佷笟搴旂敤鍛紝涓鑸兘涓浜涢泦鍥㈠叕鍙哥殑淇℃伅緋葷粺鎴栭棬鎴鳳紝鑰屼笉鏄簰鑱旂綉鍏徃錛屽鏋滀簰鑱旂綉鍏徃鐢╦ava鍋氫富钀ヤ笟鍔★紝閭ｅぇ閮ㄥ垎閮芥病鏈夐キ鍚冿紙褰撶劧涓嶆帓闄や竴浜涚壒渚嬶級錛岃岃繖浜涢泦鍥㈠叕鍙告洿闇瑕佺殑鏄ǔ瀹氾紝涓嶈繃鏄姛鑳藉拰鎬ц兘涓婄殑紼沖畾錛屾洿閲嶈鐨勬槸鎶鏈笂鐨勭ǔ瀹氾紝鍥犱負(fù)浠栦滑鎵撻儴鍒嗘槸浠ユ祦紼嬪拰涓氬姟涓烘牳蹇冿紝濡傛灉浣跨敤鍔ㄦ佽璦鍘誨垱鏂拌幏寰楄壇濂界殑鐢ㄦ埛浣撻獙錛屼絾鎶鏈彉鍖栬繃蹇紝鍦ㄤ漢鍛樻祦鍔ㄧ殑鎯呭喌涓嬩紒涓氱殑涓氬姟寰堝鏄撴敹鍒板獎鍝嶃傝屼綔涓轟竴涓俊鎭鍒掍漢鍛橈紝涓鑸兘浼?xì)鑰冭檻浣跨敤涓縐嶇浉瀵圭ǔ瀹氱殑鎶鏈紝鍥犱負(fù)緋葷粺寤剁畫鎬э紝鍜屼俊鎭殑闆嗘垚鍜屾祦鍔ㄦ墠鏄渶閲嶈鐨勶紝浣滀負(fù)涓涓笟鍔℃敮鎾戦儴闂ㄣ傛湁鍙ヨ瘽璇寸殑濂斤紝鎴戜滑闇瑕佸垱鏂幫紝浣嗗簲璇ユ槸鎸佺畫鍒涙柊錛岃屼笉鏄牬鍧忔у垱鏂般傚洜姝ゅ湪榪欎簺鐢ㄦ埛緹や綋鎵嶆槸鏈闇瑕乻s鐨勶紝鑰屼笉鏄鎶妔s鎼炲拰鍔ㄦ佽璦涓鏍瘋交閲忋傚鏋渟s鍦ㄨ繖鏂歸潰褰撶劧鏄」鐩洿娣卞叆鏇寸粏鑺傜殑闂涓婄粰浜庢寚瀵鹼紝閭ｆ槸鏈濂戒笉榪囦簡錛宐ookstore鐨刣emo灝辨槸涓涓笉閿欑殑鍒楀瓙錛堝綋鐒惰繕鏄湁涓浜涢棶棰橈紝姣斿鍦╝cegi鐨刟cl涓婅繕瑕佽繘涓姝ョ粏鍖栵紝絳夌瓑錛夈傝屼笉鏄儚鐜板湪鐨刴iniweb鎶婃垜浠鍒皊s閲岋紝鐒跺悗鎾掓墜涓嶇浜嗐?br />
璇翠簡榪欎箞澶氾紝娌″埆鐨勬剰鎬濓紝甯屾湜springside鏇村ソ銆傚垰鎵嶅嚭紺句細(xì)娌″涔咃紝鍙兘鏈変簺鍦版柟瑙嗛噹榪樻病杈懼埌錛岃繖閲屽彧鏄璇存垜鐨勬兂娉曘傛湁涓嶅鐨勫湴鏂瑰澶氬寘鍚?
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鍦ㄨ繖涓緥瀛愮殑鍩虹涓婃垜鎯寵涓涓浜涢渶瑕佹敞鎰忕殑鍦版柟銆?br /> 1.閲嶅緩绱㈠紩鍜屽閲忕儲寮?/strong>錛?br />
IndexWriter writer = new IndexWriter(directory,analyzer,rebuild,new IndexWriter.MaxFieldLength(200000));
鍙渶瑕佸湪鏋勯營ndexWriter鐨勬椂鍊欒緗畆ebuild鍊煎氨鍙互浜?br /> 褰搑ebuild璁句負(fù)true鐨勬椂鍊欙細(xì)灝變細(xì)鍒犻櫎鍘熸潵鐨勭儲寮曪紝閲嶅緩绱㈠紩鏂囦歡
褰搑ebuild璁句負(fù)false鏃訛細(xì)琛ㄧず澧為噺绱㈠紩錛屾槸鍦ㄥ師鏉ョ儲寮曟枃浠剁殑鍩虹涓婂鍔犳柊鐨勭儲寮曞唴瀹癸紝褰撶劧絎竴嬈℃病鏈夌儲寮曟枃浠剁殑鏃跺欏繀欏誨厛閲嶅緩绱㈠紩鐢熸垚绱㈠紩鏂囦歡銆?br />
鍦╨ucene2.4涓笉浣跨敤Field.Index.TOKENIZED鑰屾槸浣跨敤Field.Index.ANALYZED錛岃〃紺鴻瀵硅繖涓猣ield榪涜鍒嗚瘝
if(article.getArticleId()!=null)
doc.add(new Field(Fields.FIELD_ARTICLEID,article.getArticleId(),Field.Store.YES,Field.Index.NOT_ANALYZED));
if(article.getTitle()!=null)
doc.add(new Field(Fields.FIELD_TITLE,article.getTitle(),Field.Store.YES,Field.Index.ANALYZED));
褰撶劧榪欓噷鐨?span style="color: #000000;">Fields.FIELD_ARTICLEID鏄嚜瀹氫箟鐨勭被鍙橀噺doc.add(new Field(Fields.FIELD_ARTICLEID,article.getArticleId(),Field.Store.YES,Field.Index.NOT_ANALYZED));
if(article.getTitle()!=null)
doc.add(new Field(Fields.FIELD_TITLE,article.getTitle(),Field.Store.YES,Field.Index.ANALYZED));
2.鍒嗛〉媯绱?/strong>
ScoreDoc[] hits = searcher.search(query,null,startIndex+perPage,new Sort(new SortField(Fields.FIELD_CHECKTIME,SortField.AUTO,true))).scoreDocs;
int numTotalHits = searcher.maxDoc();//hits.length;
int endIndex = Math.min(numTotalHits,startIndex + perPage);
浣跨敤searcher.maxDoc()鍙栧嚭鎼滅儲鐨勬昏褰曟暟錛屼嬌鐢?/span>search(query,null,startIndex+perPage,new Sort(new SortField(Fields.FIELD_CHECKTIME,SortField.AUTO,true))).scoreDocs鍙栧嚭褰撳墠涓欏電殑绱㈠紩璁板綍錛堣繖涓槸2.4鐨勬柊鐢ㄦ硶錛屽彲浠ヨ幏寰楁洿楂樼殑鎬ц兘錛夛紝new Sort(new SortField(Fields.FIELD_CHECKTIME,SortField.AUTO,true)))鏉ュ鐞嗙儲寮曠粨鏋滅殑鎺掑簭銆?br />
int numTotalHits = searcher.maxDoc();//hits.length;
int endIndex = Math.min(numTotalHits,startIndex + perPage);
Document doc =searcher.doc(hits[i].doc);
String title1 = doc.get(Fields.FIELD_TITLE);
浣跨敤searcher.doc(hits[i].doc)鍙栧嚭绱㈠紩鐨勫叿浣撹褰?/span>String title1 = doc.get(Fields.FIELD_TITLE);
3.楂樹寒鏄劇ず
SimpleHTMLFormatter simpleHTMLFormatter = new SimpleHTMLFormatter("<b><font color='red'>", "</font></b>");
Highlighter highlighter = new Highlighter(simpleHTMLFormatter,
new QueryScorer(query));
highlighter.setTextFragmenter(new SimpleFragmenter(bestMatchSize));
if (title1 != null) {
TokenStream tokenStream = analyzer.tokenStream(Fields.FIELD_TITLE,
new StringReader(title1));
highLightTitle = highlighter.getBestFragment(tokenStream,title1);
}
new SimpleHTMLFormatter("<b><font color='red'>", "</font></b>")鏋勯犻珮浜樉紺虹殑鏍峰紡銆?/span>Highlighter highlighter = new Highlighter(simpleHTMLFormatter,
new QueryScorer(query));
highlighter.setTextFragmenter(new SimpleFragmenter(bestMatchSize));
if (title1 != null) {
TokenStream tokenStream = analyzer.tokenStream(Fields.FIELD_TITLE,
new StringReader(title1));
highLightTitle = highlighter.getBestFragment(tokenStream,title1);
}
highlighter.setTextFragmenter(new SimpleFragmenter(bestMatchSize))璁劇疆鏄劇ず绱㈠紩鍐呭鐨勬渶澶у瓧絎︽暟錛岀浉褰撲簬鑷姩鎶藉彇鍚湁鍏抽敭鐨勬憳瑕併?/span>
褰撶劧榪欎釜鍙槸綆鍗曠儲寮曞拰媯绱㈣繃紼嬨?br /> 榪樻湁涓浜涘叾浠栧伐浣滆鍋氾細(xì)
1.绱㈠紩鐨勮繃紼嬪氨鏄煡璇㈢殑榪囩▼錛岄渶瑕佹妸娌℃湁绱㈠紩鐨勬枃绔犳煡璇㈠嚭鏉ヨ繘琛岀儲寮曪紝瀹屾瘯鏈夎鎵撲笂鏍囪銆傝繖閲岄潰灝辮涓烘枃绔犳墿灞曠儲寮曟爣璁幫紝寤虹珛涓浜涙枃绔犳煡璇€?br /> 2.灝嗙儲寮曟搷浣滃姞鍏ヨ皟搴﹀畾鏃舵墽琛岋紝榪欎釜鐢╭uartz灝卞彲浠ヤ簡銆?br />
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