锘??xml version="1.0" encoding="utf-8" standalone="yes"?>亚洲 另类 无码 在线,va亚洲va日韩不卡在线观看,亚洲精品高清在线 http://www.tkk7.com/gm_jing/category/23408.html鐢熸椿涔嬬偣鐐規淮婊?/description>zh-cn Tue, 11 Sep 2007 21:56:29 GMT Tue, 11 Sep 2007 21:56:29 GMT 60 綾諱笌綾誨叧緋葷殑UML鍥句笌浠g爜琛ㄧ幇 http://www.tkk7.com/gm_jing/articles/144236.html榛庡 榛庡 Tue, 11 Sep 2007 05:22:00 GMT http://www.tkk7.com/gm_jing/articles/144236.html http://www.tkk7.com/gm_jing/comments/144236.html http://www.tkk7.com/gm_jing/articles/144236.html#Feedback 0 http://www.tkk7.com/gm_jing/comments/commentRss/144236.html http://www.tkk7.com/gm_jing/services/trackbacks/144236.html 綾諱笌綾諱箣闂寸殑鍏崇郴瀵逛簬鐞嗚В闈㈠悜瀵硅薄鍏鋒湁寰堥噸瑕佺殑浣滅敤錛屼互鍓嶅湪闈㈣瘯鐨勬椂鍊欎篃緇忓父琚棶鍒拌繖涓棶棰橈紝鍦ㄨ繖閲屾垜灝變粙緇嶄竴涓嬨?br />
綾諱笌綾諱箣闂村瓨鍦ㄤ互涓嬪叧緋?
(1)娉涘寲(Generalization)
(2)鍏寵仈(Association)
(3)渚濊禆(Dependency)
(4)鑱氬悎(Aggregation)
UML鍥句笌搴旂敤浠g爜渚嬪瓙:
1.娉涘寲(Generalization)
[娉涘寲]
琛ㄧず綾諱笌綾諱箣闂寸殑緇ф壙鍏崇郴錛屾帴鍙d笌鎺ュ彛涔嬮棿鐨勭戶鎵垮叧緋伙紝鎴栫被瀵規帴鍙g殑瀹炵幇鍏崇郴銆備竴鑸寲鐨勫叧緋繪槸浠庡瓙綾繪寚鍚戠埗綾葷殑錛屼笌緇ф壙鎴栧疄鐜扮殑鏂規硶鐩稿弽銆?br />
[鍏蜂綋琛ㄧ幇]
鐖剁被 鐖剁被瀹炰緥錛漬ew 瀛愮被 ()
[UML鍥綸(鍥?.1)
鍥?.1 Animal綾諱笌Tiger綾?Dog綾葷殑娉涘寲鍏崇郴
[浠g爜琛ㄧ幇]
class Animal{}
class Tiger extends Animal{}
public class Test
{
public void test()
{
Animal a= new Tiger();
}
}
2.渚濊禆(Dependency)
[渚濊禆]
瀵逛簬涓や釜鐩稿鐙珛鐨勫璞★紝褰撲竴涓璞¤礋璐f瀯閫犲彟涓涓璞$殑瀹炰緥錛屾垨鑰呬緷璧栧彟涓涓璞$殑鏈嶅姟鏃訛紝榪欎袱涓璞′箣闂翠富瑕佷綋鐜頒負渚濊禆鍏崇郴銆?br />
[鍏蜂綋琛ㄧ幇]
渚濊禆鍏崇郴琛ㄧ幇鍦?font color="#ff0000">灞閮ㄥ彉閲?/font>錛?font color="#ff0000">鏂規硶鐨勫弬鏁?/font>錛屼互鍙婂闈欐佹柟娉曠殑璋冪敤
[鐜板疄渚嬪瓙]
姣斿璇翠綘瑕佸幓鎷ц灪涓濓紝浣犳槸涓嶆槸瑕佸熷姪(涔熷氨鏄緷璧?铻轟笣鍒(Screwdriver)鏉ュ府鍔╀綘瀹屾垚鎷ц灪涓?screw)鐨勫伐浣?br />
[UML琛ㄧ幇](鍥?.2)
鍥?.2 Person綾諱笌Screwdriver綾葷殑渚濊禆鍏崇郴
[浠g爜琛ㄧ幇]
public class Person{
public void screw(Screwdriver screwdriver){
screwdriver.screw();
}
}
3.鍏寵仈(Association)
[鍏寵仈]
瀵逛簬涓や釜鐩稿鐙珛鐨勫璞★紝褰撲竴涓璞$殑瀹炰緥涓庡彟涓涓璞$殑涓浜涚壒瀹氬疄渚嬪瓨鍦ㄥ浐瀹氱殑瀵瑰簲鍏崇郴鏃訛紝榪欎袱涓璞′箣闂翠負鍏寵仈鍏崇郴銆?br />
[鍏蜂綋琛ㄧ幇]
鍏寵仈鍏崇郴鏄嬌鐢?font color="#ff0000">瀹炰緥鍙橀噺 鏉ュ疄鐜?br />
[鐜板疄渚嬪瓙]
姣斿瀹㈡埛鍜岃鍗曪紝姣忎釜璁㈠崟瀵瑰簲鐗瑰畾鐨勫鎴鳳紝姣忎釜瀹㈡埛瀵瑰簲涓浜涚壒瀹氱殑璁㈠崟錛涘啀渚嬪鍏徃鍜屽憳宸ワ紝姣忎釜鍏徃瀵瑰簲涓浜涚壒瀹氱殑鍛樺伐錛屾瘡涓憳宸ュ搴斾竴鐗瑰畾鐨勫叕鍙?br />
[UML鍥綸 (鍥?.3)
鍥?.3 鍏徃鍜屽憳宸ョ殑鍏寵仈鍏崇郴
[浠g爜琛ㄧ幇]
public class Company{
private Employee employee;
public Employee getEmployee(){
return employee;
}
public void setEmployee(Employee employee){
this .employee=employee;
}
public void run(){
employee.startWorking();
}
}
(4)鑱氬悎錛圓ggregation錛?/font>
[鑱氬悎]
褰撳璞琚姞鍏ュ埌瀵硅薄B涓紝鎴愪負瀵硅薄B鐨勭粍鎴愰儴鍒嗘椂錛屽璞鍜屽璞涔嬮棿涓鴻仛闆嗗叧緋匯傝仛鍚堟槸鍏寵仈鍏崇郴鐨勪竴縐嶏紝鏄緝寮虹殑鍏寵仈鍏崇郴錛屽己璋冪殑鏄?font color="#ff0000">鏁翠綋 涓?font color="#ff0000">閮ㄥ垎涔嬮棿鐨勫叧緋匯?br />
[鍏蜂綋琛ㄧ幇]
涓庡叧鑱斿叧緋諱竴鏍鳳紝鑱氬悎鍏崇郴涔熸槸閫氳繃瀹炰緥鍙橀噺 鏉ュ疄鐜拌繖鏍峰叧緋葷殑銆傚叧鑱斿叧緋誨拰鑱氬悎鍏崇郴鏉ヨ娉曚笂鏄病鍔炴硶鍖哄垎鐨勶紝浠?font color="#ff0000">璇箟涓婃墠鑳?font color="#ff0000">鏇村ソ鐨勫尯鍒?/font>涓よ呯殑鍖哄埆銆?br />
[鍏寵仈涓庤仛鍚堢殑鍖哄埆]
(1)鍏寵仈鍏崇郴鎵娑夊強鐨勪袱涓璞℃槸澶勫湪鍚屼竴涓眰嬈′笂鐨勩傛瘮濡備漢鍜岃嚜琛岃濺灝辨槸涓縐嶅叧鑱斿叧緋伙紝鑰屼笉鏄仛鍚堝叧緋伙紝鍥犱負浜轟笉鏄敱鑷杞︾粍鎴愮殑銆?br />
鑱氬悎鍏崇郴娑夊強鐨勪袱涓璞″浜庝笉騫崇瓑鐨勫眰嬈′笂錛屼竴涓唬琛ㄦ暣浣擄紝涓涓唬琛ㄩ儴鍒嗐傛瘮濡傜數鑴戝拰瀹冪殑鏄劇ず鍣ㄣ侀敭鐩樸佷富鏉夸互鍙婂唴瀛樺氨鏄仛闆嗗叧緋伙紝鍥犱負涓繪澘鏄數鑴戠殑緇勬垚閮ㄥ垎銆?br />
(2)瀵逛簬鍏鋒湁鑱氶泦鍏崇郴錛堝挨鍏舵槸寮鴻仛闆嗗叧緋伙級鐨勪袱涓璞★紝鏁翠綋瀵硅薄浼氬埗綰﹀畠鐨勭粍鎴愬璞$殑鐢熷懡鍛ㄦ湡銆傞儴鍒嗙被鐨勫璞′笉鑳藉崟鐙瓨鍦紝瀹冪殑鐢熷懡鍛ㄦ湡渚濊禆浜庢暣浣撶被鐨勫璞$殑鐢熷懡鍛ㄦ湡錛屽綋鏁翠綋娑堝け錛岄儴鍒嗕篃灝遍殢涔嬫秷澶便傛瘮濡傚紶涓夌殑鐢佃剳琚伔浜嗭紝閭d箞鐢佃剳鐨勬墍鏈夌粍浠朵篃涓嶅瓨鍦ㄤ簡錛岄櫎闈炲紶涓変簨鍏堟妸涓浜涚數鑴戠殑緇勪歡錛堟瘮濡傜‖鐩樺拰鍐呭瓨錛夋媶浜嗕笅鏉ャ?br />
[UML鍥綸(鍥?.4)
鍥?.3 鐢佃剳鍜岀粍浠剁殑鑱氬悎鍏崇郴
[浠g爜琛ㄧ幇]
public class Computer{
private CPU cpu;
public CPU getCPU(){
return cpu;
}
public void setCPU(CPU cpu){
this .cpu=cpu;
}
public void start(){
cpu.run();
}
}
[鍙傝冭祫鏂橾
1.銆奐ava涓庢ā寮忋?闃庡畯 緙栬憲) 絎?绔?緇熶竴寤烘ā璇█UML綆浠?/strong>
]]>Spring涓殑Template鍜孋allback妯″紡 http://www.tkk7.com/gm_jing/articles/127447.html榛庡 榛庡 Mon, 02 Jul 2007 02:46:00 GMT http://www.tkk7.com/gm_jing/articles/127447.html http://www.tkk7.com/gm_jing/comments/127447.html http://www.tkk7.com/gm_jing/articles/127447.html#Feedback 0 http://www.tkk7.com/gm_jing/comments/commentRss/127447.html http://www.tkk7.com/gm_jing/services/trackbacks/127447.html Spring 涓殑 Callback 妯″紡涓?/span>Template 妯″紡鍚堢敤錛岄殢澶勫彲瑙併?/span>Template method 琚箍娉涚殑浣跨敤錛屽儚 Servlet 灝辨槸浣跨敤榪欎釜妯″紡銆?/span>Template mothod 妯″紡铏界劧鑳界畝鍖栧緢澶氶噸澶嶇殑浠g爜錛屼絾榪欑妯″紡鐨勪篃鏈変笉灝戦檺鍒躲?/span>Template mothod 灝嗕竴涓姛鑳界殑瀹炵幇鍒嗘垚璁稿灝忕殑姝ラ錛屽湪鐖剁被涓畾涔変簡榪欎簺姝ラ鐨勯『搴忥紝璁╁瓙綾繪潵鍏蜂綋瀹炵幇姣忎竴涓皬鐨勬楠ゃ傝繖浜涘皬鐨勬楠ゆ槸 protected 錛屼互闃叉鐢ㄦ埛涓嶆紜殑浣跨敤榪欎簺灝忕殑姝ラ鑰屼駭鐢熷紓甯搞傝繖鏍峰氨浜х敓浜嗕竴涓檺鍒訛紝閭e氨鏄綘闇瑕佺戶鎵?/span>Template 鐒跺悗閲嶆柊瀹炵幇鍏蜂綋鐨勫皬姝ラ銆傚鏋滆繖涓?/span>Template 鏈夎澶氭柟娉曪紝灝卞儚 JdbcTemplate, 濡傛灉浣犳瘡嬈$戶鎵胯繖涓簽澶х殑綾伙紝鐒跺悗鍙槸閲嶅啓鏌愪釜灝忔楠や腑鏉ヨ鍒朵綘鑷繁鐨勫姛鑳斤紝灝變細鏄懼緱闈炲父絎ㄩ噸錛屾洿浣曞喌鏁版嵁搴撴搷浣滀嬌鐢ㄧ殑濡傛棰戠箒錛岄毦閬撲綘姣忚繘琛屼竴涓搷浣滃氨閫氳繃緇ф壙璁㈠埗涓涓紝鏄劇劧涓嶅彲鑳借繖涔堝仛銆?/span>
Spring 浣跨敤 Callback 妯″紡涓庝箣閰嶅悎錛岃揪鍒頒簡鍘繪帀閲嶅浠g爜鐨勬晥鏋滐紝鍚屾椂澧炲姞浜嗗緢澶х殑鐏墊椿鎬э紝浣犲彧闇瑕佸疄鐜版煇浜?/span>CallBack 灝卞彲杞繪澗璁㈠埗鍑?/span>Template 銆?/span>
閭d箞浠涔堟椂鍊欐墠鏄?/span>Callback 妯″紡涓?/span>Template 妯″紡緇撳悎鐨勬渶浣蟲椂鏈哄憿銆傛樉鐒跺鏋滄瘡涓叿浣撶殑姝ラ閮介渶瑕佺湡姝e幓鍏蜂綋瀹炵幇鑰屼笉鏄畝鍗曠殑鏀瑰彉鍙傛暟鎴栬緗煇涓璞″氨 ok 鐨勮瘽錛屼嬌鐢?/span>Callback 寰堥毦鍘昏鍒訛紝鍥犱負浣犲彲鑳介渶瑕佷紶閫掑涓?/span>Callback 浣滀負鍙傛暟錛屽茍璁╃敤鎴峰幓瀹炵幇錛屾槸鐢?/span>Java 鐨勫唴閮ㄧ被鏈潵灝辨槸涓涓瘮杈冧笐闄嬬殑璇硶錛屾洿浣曞喌鍙傛暟鏄涓傝繖鐩稿綋浜庝綘鎶婃瘡涓皬姝ラ灝佽鎴愪負鎺ュ彛錛岀劧鍚庡垎鍒戶鎵夸箣鐒跺悗瀹炵幇銆傛樉鐒舵病鏈夎揪鍒版柟渚跨伒媧葷殑鏁堟灉錛岃繖鏃跺欑洿鎺ヤ嬌鐢?/span>Template method 妯″紡灝辨瘮緇撳悎 Callback 瑕佸ソ銆傝屽鏋滅敤鎴峰彧闇瑕佸畾鍒朵竴涓柟娉曡兘灝辮揪鍒扮敤鎴風殑瑕佹眰錛屾垨鑰呮洿綆鍗曪紝鍙槸璁劇疆涓嶅悓鐨勫弬鏁幫紝閭d箞浣跨敤 Callback 灝卞叿鏈夊緢濂界殑鐏墊椿鎬с?/span>
Template渚嬪瓙Servlet Callback 渚嬪瓙 JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource); jdbcTemplate .update( "UPDATE user SET age = ? WHERE id = ?", new PreparedStatementSetter() { public void setValues(PreparedStatementSetter ps) throws SQLException { ps.setInt(1, 18); ps.setString(2, "erica"); } } );
]]> Session Facade妯″紡 http://www.tkk7.com/gm_jing/articles/124855.html榛庡 榛庡 Sun, 17 Jun 2007 15:25:00 GMT http://www.tkk7.com/gm_jing/articles/124855.html http://www.tkk7.com/gm_jing/comments/124855.html http://www.tkk7.com/gm_jing/articles/124855.html#Feedback 0 http://www.tkk7.com/gm_jing/comments/commentRss/124855.html http://www.tkk7.com/gm_jing/services/trackbacks/124855.html
Session Facade璁捐妯″紡
寮曠敤鍦板潃錛歨ttp://www.xici.net/b391997/d26431792.htm [澶嶅埗 鈹?a onclick='clipboardData.setData("Text", superPath);alert("鍦板潃澶嶅埗鎴愬姛錛?);return false;' >瓚呮枃鏈鍒?/font>]
榪斿洖銆奐AVA 鍩虹銆?/font> 鍏抽棴紿楀彛
J2EE鏄疭un鍏徃鎻愬嚭鐨勫紑鍙戝拰榪愯浼佷笟綰eb搴旂敤鐨勬爣鍑嗭紝鍙互鐢ㄤ簬寮鍙戝ぇ鍨嬬殑銆佸灞傛鐨勪互鍙婂垎甯冨紡鐨勪紒涓氱駭Web搴旂敤緋葷粺銆侸2EE鎶鏈負緇勪歡寮鍙戞彁渚涗簡騫挎硾鐨勬敮鎸侊紝鍚屾椂涔熸彁渚涗簡涓板瘜鐨勫紑鍙戝伐鍏峰拰鏈嶅姟錛屼究浜庡紑鍙戞ā鍧楀寲鐨勶紝鍙噸鐢ㄧ殑鍜屽鉤鍙扮嫭绔嬬殑涓氬姟閫昏緫 [4] 銆傝璁℃ā寮忕殑浼樺娍鍦↗2EE搴旂敤鐨勮璁′腑寰楀埌浜嗗厖鍒嗙殑浣撶幇銆?/font>
EJB鐨勮璁℃槸J2EE搴旂敤璁捐涓殑鏍稿績妯″潡銆傚畠寮鴻皟鐨勬槸鍙鐢ㄦс佸彲緇存姢鎬с佸彲縐繪鎬х瓑銆傚綋寮鍙戣呰璁JB鏃訛紝鏈鍥伴毦鐨勫伐浣滃氨鏄閫夋嫨涓涓紜殑浣撶郴緇撴瀯錛屾垨鑰呬竴涓紜殑閫昏緫灞傜殑鍒掑垎 [5] 銆傜洰鍓嶏紝EJB鐨勮璁℃ā寮忔湁鍑犲崄縐嶏紝濡備綍閫夋嫨閫傚悎鑷繁欏圭洰鐨勬ā寮忔槸EJB璁捐鐨勫叧閿棶棰橈紝涔熸槸鏈闅捐В鍐崇殑闂銆?/font>
1寮曞叆Session Facade妯″紡
EJB瀹㈡埛绔彲浠ョ洿鎺ラ氳繃緗戠粶璁塊棶 鍙備笌宸ヤ綔嫻佺殑涓氬姟瀵硅薄錛屽鍥?鎵紺猴細
鍥?錛氭棤Session Facade鏃剁殑鎯呭喌
榪欐牱澶勭悊鏃跺瓨鍦ㄧ潃鍑犱釜闂錛?/font>
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1) 銆銆銆 涓ユ牸鍒嗙浜嗕笟鍔¢昏緫鍜岃〃紺哄眰錛岄檷浣庣郴緇熺殑鑰﹀悎搴︼紝鎻愰珮鍙鐞嗘с係ession Facade浣滀負瀹㈡埛绔拰涓氬姟瀵硅薄涔嬮棿鐨勬帶鍒跺櫒錛屽疄鐜板鎴風鍜屼笟鍔″璞′箣闂寸殑浜や簰銆?/font>Session Facade妯″紡灝嗕笟鍔¢昏緫瀹屽叏灝佽鍦⊿ession Bean涓傚鎴風浣滀負琛ㄧず灞傦紝鏃犻』鍏沖績涓氬姟閫昏緫灞傜殑浜嬫儏錛岃繖灝變弗鏍肩殑灝嗕笟鍔¢昏緫浠庤〃紺洪昏緫鍒嗙銆備粠鑰屽彲浠ュ噺灝戠揣瀵嗚﹀悎錛屼互鍙婂鎴風瀵逛笟鍔$粍浠剁殑渚濊禆鎬с?
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3) 銆銆銆 闄嶄綆緗戠粶寮閿錛屾彁楂樼郴緇熸ц兘銆傜敱浜嶴ession Facade鎻愪緵浜嗙矖綺掑害鐨勮闂紝鍥犳錛屽鎴風鍙互鍙皟鐢ㄤ竴嬈ession Facade鐨勮繙紼嬫柟娉曪紝鍗沖彧闇瑕佷竴嬈$綉緇滆皟鐢紱鍦?/font>鏈嶅姟鍣ㄧ錛孲ession Facade鍜屼笟鍔″璞¢氳繃鏈湴鎺ュ彛鏉ヨ皟鐢紝浠庤屼笉闇瑕佷換浣曠綉緇滃紑閿銆?鍗充嬌Session Facade鍜屼笟鍔″璞¢氳繃榪滅▼鎺ュ彛鏉ヨ皟鐢? 澶у鏁板簲鐢ㄦ湇鍔″櫒涔熷皢浼樺寲瀹冧滑涔嬮棿鐨勯氫俊銆?
4) 銆銆銆 瀹夊叏闆嗘垚綆$悊銆傜敱浜嶴ession Facade鏄鎴風璁塊棶鏈嶅姟鍣ㄧ殑鎺ュ彛錛岃繖鏍峰簲鐢ㄧ▼搴忕殑瀹夊叏絳栫暐灝卞彲浠ュ湪Session Facade灞傝繘琛岀鐞嗐傚悓鏃剁敱浜嶴ession Facade鍙渶瑕佺鐞嗙浉瀵硅緝灝戠殑綺楃矑搴︽柟娉曪紝鎵浠ュ畨鍏ㄧ瓥鐣ュ彉寰楁洿鍔犲鏄撲嬌鐢ㄥ拰瀹炵幇銆?/font>
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