瑁呴グ鑰呮ā寮忎綘鍙兘涓嶇啛鎮夛紝浣嗘极濞佺數褰辩郴鍒椾綘涓€瀹氫笉闄岀敓銆傜數褰辨挱鍑哄悗锛屼綘鍙兘鍚埌杩囪繖鏍风殑澹伴煶锛氫竴涓传钖墦浜嗕釜鍝嶆寚锛屼竴鍗婄殑瓒呯骇鑻遍泟娑堝け浜嗐€備絾鏄孩钖繕鏄偅涓孩钖紝鍝嶆寚杩樻槸閭ｄ釜鍝嶆寚銆傛槸浠€涔堣杩欎袱鑰呯殑缁撳悎濡傛寮哄ぇ锛熺瓟妗堟槸锛氭棤闄愭墜濂椼€傜數褰卞緢绮惧僵锛屽阀鐨勬槸鎵嬪鐨勫伐鑹哄拰瑁呬慨妯″紡鐨勯鏍煎緢鍍忥紝鎵€浠ヤ粖澶╁氨鍊熺敤鐏湼鐨勬墜濂楋紝鐮旂┒涓€涓嬬煯浜哄埗浣滅殑浜у搧鍒板簳鏈夊涔堢濂囥€傝楗拌€呮ā寮忕殑瀹氫箟锛氬厑璁稿湪涓嶆敼鍙樼幇鏈夌墿浣撶粨鏋勭殑鎯呭喌涓嬩负鍏舵坊鍔犳柊鐨勫姛鑳金煂帮細鎵嬪姣忛暥宓屼竴棰楀疂鐭筹紝灏卞鍔犱竴涓秴鑳藉姏锛岃€屽師鏈夌殑鑳藉姏涓嶅彈褰卞搷锛屼粛鐒跺彲浠ヤ娇鐢ㄣ€傝繖灏辨槸鎵嬪鏃犳晫鐨勭璇€锛屼篃灏辨槸瑁呴グ鍥炬鐨勯瓍鍔涙墍鍦ㄣ€傝鎴戜滑鐪嬬湅濡備綍鐢ㄤ唬鐮佸疄鐜板畠銆備唬鐮佸疄鐜颁簡瑁呴グ鍣ㄦā寮忋€傛墍鏈変娇鐢ㄧ殑绫婚兘闇€瑕佹潵鑷悓涓€涓帴鍙ｃ€傚彧鏈夆€滃悓绫烩€濇墠鑳界浉浜掕鐐广€傛墍浠ュ畾涔変竴涓狤quipment鎺ュ彛浠ｈ〃鎴戜滑鎵€鏈夌殑璁惧锛宎ction鏂规硶浠ｈ〃姣忎釜璁惧鐨勫姛鑳姐€傚叕鍏辨帴鍙ｈ澶噞voidaction();}鎴戜滑瀹氫箟浜嗕袱绉嶅満鏅細寰掓墜浣╂埓瀹濈煶锛屾埓鎵嬪闀跺祵瀹濈煶寰掓墜鏄竴绉嶏紙澶╃劧鍐呯疆鐨勶級瑁呭锛屾墍浠ユ垜浠疄鐜癊quipment鎺ュ彛鏉ュ疄鐜癮ction鏂规硶publicclassHandimplementsEquipment{@Overridepublicvoidaction(){System.out.println("鎵嬪彲浠ユ埓");}}鎵嬪閮芥槸涓€鏍风殑publicclassGloveimplementsEquipment{@Overridepublicvoidaction(){System.out.println("鎵嬪鍙互闀跺祵");鎺ヤ笅鏉ユ垜浠畾涔夎楗扮被锛屼篃灏辨槸Diamond瀹濈煶鎶借薄绫伙紝鍥犱负瀹濈煶涔熸槸涓€绉嶈澶囷紝鎵€浠quipment涔熼渶瑕佸疄鐜般€傝€屾垜浠殑瑁呴グ鏈夊緢澶氱瀹濈煶锛屾墍浠ュ畾涔変簡瑁呴グ绫绘潵瀹炵幇澶氭€佹潵瑁呴グ鐗╀綋锛堟墜濂楋紝鎵嬶級銆俻ublicabstractclassDiamondimplementsEquipment{璁惧璁惧;publicDiamond(Equipmentequipment){this.equipment=equipment;}@Overridepublicvoidaction(){equipment.action();}}鏋勯€犲嚱鏁颁紶鍏ヨ楗板璞★紝涔熷氨鏄垜浠紑澶存彁鍒扮殑锛屾墍鏈変娇鐢ㄧ殑绫婚兘闇€瑕佹槸鈥滃悓涓€绫诲瀷鈥濓紝杩欐牱鍘熷瀵硅薄鍜岃楗板璞￠兘鍙互浣滀负Equipment绫诲瀷浼犲叆锛屼互渚垮啀娆¤楗般€傚垱寤轰笁涓猤em骞跺疄鐜癉iamond鎶借薄绫绘潵鍏蜂綋鍖栨瘡涓猤em鐨勫姛鑳絵@Overridepublicvoidaction(){super.action();System.out.println("绾㈣壊鐪熷疂鐭?);}}娉ㄦ剰锛屽湪gem瀛愮被涓紝姣忎釜action鏂规硶閮戒細棰濆鎵цsuper.action鏂规硶锛屾瘡涓瑁呴グ瀵硅薄鐨刟ction鏂规硶閮戒細琚墽琛屻€傜粨鍚堣捣鏉ワ紝鏁翠綋鐨勫姛鑳芥槸杩欐牱鐨勷煈囨墜濂椾笂闀跺祵浜嗙豢瀹濈煶锛屽湪姝ゅ熀纭€涓婇暥宓屼簡绾㈠疂鐭炽€傛瘡娆″湪鎵цgem鏈韩鐨勫姛鑳戒箣鍓嶏紝閮戒細鎵цsuper.action锛岀洿鍒版墜濂楃殑鍔熻兘鎵ц瀹屾瘯锛岀劧鍚庤繑鍥炲幓鎵цgem鐨勫悇涓姛鑳斤紝鏈€鍚庢墽琛屽畬鎵€鏈夌殑鍔熻兘銆備互姝ょ被鎺紝澧炲姞涓や釜瀹濈煶绫籶ublicclassGreenDiamondextendsDiamond{publicGreenDiamond(Equipmentequipment){super(equipment);}@Overridepublicvoidaction(){super.action();System.out.println("缁垮疂鐭?);}}publicclassBlueDiamondextendsDiamond{publicBlueDiamond(Equipmentequipment){super(equipment);}@Overridepublicvoidaction(){super.action();System.out.println("钃濊壊澶┖瀹濈煶");}}娴嬭瘯浠ｇ爜锛歱ublicclassdecoratorTest{publicstaticvoidmain(String[]args){System.out.println("--------Freehand-----------");瑁呭鎵?newHand();鎵?action();System.out.println();DiamondredDiamond=newRedDiamond(hand);//鐢ㄧ孩瀹濈煶瑁呴グ鎵媟edDiamond.action();绯荤粺杈撳嚭.println();DiamondgreenAndRedDiamond=newGreenDiamond(redDiamond);//缁х画鐢╡meralds.action()瑁呴グgreenAndRedDiamond;System.out.println("--------鎴存墜濂?---------");瑁呭鎵嬪=newGlove();鎵嬪.action();System.out.println();DiamondgreenDiamond=newGreenDiamond(glove);//缈＄繝瑁呴グ鎵嬪greenDiamond.action();System.out.println();DiamondblueDiamond=newBlueDiamond(glove);//鍘绘帀缈＄繝闀跺祵钃濆疂鐭砨lueDiamond.action();}}杩愯缁撴灉锛氬彲浠ョ湅鍑猴紝姣忎釜瑁呴グ绫婚兘鍙互瑁呴グ鍘熷瀵硅薄鎴栬€呰楗板悗鐨勫璞★紝瀵硅薄鍜岃楗扮被鐩镐簰鐙珛锛屽疄鐜板悇鑷殑鍔熻兘銆傛垜鏄旦锛屼竴涓箰瑙傜殑鐮佸啘锛屽啓鏈夎叮鐨勬枃绔犮€傚鏋滄湰鏂囧鎮ㄦ湁甯姪锛岃鏀惰棌猸愮偣璧烉煈嶅苟鍏虫敞馃憖锛屽叧娉ㄤ笉杩疯矾(馃尰鈼♀€库棥)
