Improve how you architect webappsPatterns.dev is a free online resource on design, rendering, and performance patterns for building powerful web apps with vanilla JavaScript or modern frameworks.
ãã¤ã¯ããµã¼ãã¹ã«ãããèªè¨¼ã¨èªå¯ã®ãä¸è¬è«ã¨ãã¦ã®è¨è¨ãã¿ã¼ã³ã調ã¹ãã¨ãããWeb ä¸ã®è¤æ°ã®è¨äºã§ä¼¼ããããªãã¿ã¼ã³ãç»å ´ãã¦ãããããã§ã¯ãã¾ãèªè¨¼ã¨èªå¯ãå®ç¾ãããä¸è¬çãªè¦ä»¶ã¨ããã®ãã¤ã¯ããµã¼ãã¹ã§ã®é£ãããæ´çããèªè¨¼ã¨èªå¯ã«åãã¦èª¿æ»ãããã¿ã¼ã³ãã¾ã¨ããã ããã¾ã§ âä¸è¬è«â ãªã®ã§ãå®éã«ã¯åã ã®ãã¡ã¤ã³ã«ãããã¦ã¢ã¬ã³ã¸ãå¿ è¦ å¾ã ã«ãã¦ãã® âã¢ã¬ã³ã¸â ã«ä¾¡å¤ã宿ããã®ã ããã¾ãã¯ã»ãªãªã¼ãç¥ã£ã¦ããããã¨ããã¢ããã¼ã·ã§ã³ã§èª¿æ»ãã Web ä¸ã®è¨äºãèªãã§ã¾ã¨ããã ããªã®ã§ãæãåããã¦ã®ç¢ºèªã¯ãã¦ããããçè§£ãçãé¨åã¯ã容赦ãã ãã å ·ä½çãªéä¿¡æ¹å¼ããµã¼ãã¹ééä¿¡ã®ã»ãã¥ãªãã£ã¨ãã£ãå ·ä½è«ã¾ã§ã¯è¸ã¿è¾¼ãã¦ããªãããã®ã¸ãã¯ãµã¼ãã¹ã¡ãã·ã¥ãã¼ããã©ã¹ããããã¯ã¼ã¯ã¨ãã£ããããã¯ãç»å ´ããã¨æããã ãããã¯æ¬¡å以éã® Todo ã¨ãã¦ãã¾ã ãã®
åç (4ä»¶ä¸ã®1ä»¶ç®) ä¸è¬çã«ã©ãè©ä¾¡ããã¦ãããã¯ããã¾ãåãä¸ããªãã§ããããã¿ã¼ã³ã®å¤ãã¯ããã¯ããããåã«åå¨ããã¨ããå°è±¡ã§ããã¾ããæèããªãã¦ãå®ã¯ä½¿ã£ã¦ããã¨ããã±ã¼ã¹ãå¤ãã§ãã ããã¨ãèªåã使°ãªãå®è£ ãããã®ããå®ã¯ã©ããã®ãã¿ã¼ã³ã«è©²å½ããã¨ãããã¨ãå¤ãã§ããã GoFã®ãã¶ã¤ã³ãã¿ã¼ã³ã«ã¤ãã¦ã®è§£èª¬ã®å¤ãããªãã¸ã§ã¯ãæåãåæã¨ãã¦ãããããä¾ãã°é¢æ°åè¨èªã®Haskellãªã©ã§ã¯ä½¿ããªããã¿ã¼ã³ãããã¾ãï¼ä¾ãã°Singletonãã¿ã¼ã³ã¨ãï¼ ãã¨ã¯ãã¯ã©ã¹åã¨ãåã®ååãã¤ããã¨ãã®åèã«ãªãã¾ããä¾ãã°Strategyãã¿ã¼ã³ã使ã£ã¦ãã...
ãã¤ãå¿ã«åªçæ§ã夿©ã§ãã ãªãã©ã¤ã¨åªçæ§ã®ãã¶ã¤ã³ãã¿ã¼ã³ã®å®çµç·¨ã§ãã ã ãã¶éã空ãã¦ãã¾ãã¾ãããï¼ æå¾ã«åªçæ§ãå®è£ ããæ±ç¨çãªå®è£ ææ³ã«ã¤ãã¦ã¾ã¨ãã¦ããã¾ãã ãã¿ã¼ã³ï¼ï¼æä½ãã°ã¨ãªã¯ã¨ã¹ãIDã§UPDATEãåªçã«ãã åãIDã§èå¥ãããå¤ãUPDATEãããå ´åãã¤ã¾ãmutableã§ããå¤ã®ç®¡çã¯ãä¸è¬ã«åªçã«è¡ãã®ãé£ããã ä¾ãã°ãã¦ã¼ã¶ã¼ãã¨ã«ãæå¾ã«è³¼å ¥ããã¢ã¤ãã ããæ´æ°ããæä½ãèãã¦ã¿ãã¨ï¼ 1. ã¦ã¼ã¶ã¼Aãæå¾ã«è³¼å ¥ããã¢ã¤ãã ãã¢ã¤ãã 1ã«å¤æ´ããï¼UPDATEï¼ 2. ã¦ã¼ã¶ã¼Aãæå¾ã«è³¼å ¥ããã¢ã¤ãã ãã¢ã¤ãã 2ã«å¤æ´ããï¼UPDATEï¼ ãã®æä½ã«ä½ã®å¯¾çããªããªãã©ã¤ãå®è£ ããå ´åãå¾ç¶ã®UPDATEå¦çã®çµæãå¤ãå 容ã§ä¸æ¸ããã¦ãã¾ãå¯è½æ§ãããï¼ 1. ã¦ã¼ã¶ã¼Aãæå¾ã«è³¼å ¥ããã¢ã¤ãã ãã¢ã¤ãã 1ã«å¤æ´ããï¼UPDATEï¼â
èªãã çç± æè¿ãã½ããã¦ã§ã¢ã®è¨è¨åãä¸è¶³ãã¦ããã¨æããããã£ã¨ããæãã«ã¯ã©ã¹ãè¨è¨ãã¦ããªãã¸ã§ã¯ãæåã½ãããã°ã©ã ãæ¸ããããã«ãªãããããããã¹ãã¼ãæãæã£ã¦ãããããã¨ãããã¨ã§ããã¾ããã ãã©ããªãã¸ã§ã¯ãæåã«ã¤ãã¦ããä¸åº¦å¦ãã§ã¿ããã¨æã£ããæ¬ãèªãã°ããã¨ãã訳ãããªããã©ãã¨ãããããã£ã¨ç¥èãå¢ãããããæ¸è°·ã®æ±æ¥ç¾è²¨åº 7F ã®ä¸¸åï¼ã¸ã¥ã³ã¯å æ¸åºã«è¡ã£ã¦ã ãªãã¸ã§ã¯ããã¶ã¤ã³ (Object Oriented SELECTION) ã¨ãªãã¯ã»ã¨ã´ã¡ã³ã¹ã®ãã¡ã¤ã³é§åè¨è¨ (IT ArchitectsâArchive ã½ããã¦ã§ã¢éçºã®å®è·µ) ãªãã¸ã§ã¯ãæåã®ããã (SOFTWARE PATTERNS SERIES) ã®3åã§æ©ãã çµæããããè²·ã£ããæ±ºããè¦å ã¨ãªã£ãã®ã¯ã ã¤ãã§ã«ãã¶ã¤ã³ãã¿ã¼ã³ã«ã¤ãã¦çè§£ãæ·±ããããããããªã¨æã£ã ããã¾ã§
ãã¤ã³ãã©ãã¶ã¤ã³ãã¿ã¼ã³ããç®æ¬ããã ãã¾ããã®ã§ããã£ã¨èªãã§ã¿ã¾ããããã¤ããããã¨ããããã¾ã! ã¤ã³ãã©ãã¶ã¤ã³ãã¿ã¼ã³ ~å®å®ç¨¼åã«å°ã127ã®è¨è¨æ¹å¼ (WEB+DB PRESS plus) ä½è : æ ªå¼ä¼ç¤¾NTTãã¼ã¿,æåå¥é,åç°ä¸å¹¸,岩å´è³¢æ²»,䏿µ¦åºå¿,åç°ä½æºç·åºç社/ã¡ã¼ã«ã¼: æè¡è©è«ç¤¾çºå£²æ¥: 2014/02/07ã¡ãã£ã¢: 大忬ãã®ååãå«ãããã° (1ä»¶) ãè¦ã ãã¤ã³ãã©ãã¶ã¤ã³ãã¿ã¼ã³ãã¯ãNTTãã¼ã¿ã®äººã«ããå種ã·ã¹ãã ã®ã¤ã³ãã©ãè¨è¨ããä¸ã§ã®ãããããªè¨è¨æ¹æ³ããã¿ã¼ã³ã¨ãã¦æ´çããæ¬ã§ããå 容ã¯ãå¯ç¨æ§ãã»ãã¥ãªãã£ãæ§è½ãä¿å®æ§ãããµã¼ãã¼ãããã¯ã¼ã¯æ§æãã¯ã©ã¦ãã¾ã§è¨åããã¦ãã¦ãç¶²ç¾ çã«æ¸ããã¦ãã¾ãã ä¾ãã°ãDBãµã¼ãã®å¯ç¨æ§ã®ã¨ããã¯ãFTãµã¼ãã¼ã並åDBã¯ã©ã¹ã¿ãN+1ã¯ã©ã¹ã¿ãç¸äºå¾ æ©ã¯ã©ã¹ã¿ã¨ãããããã®å®æ§è©ä¾¡ãã
NOTE: æä¸é¨ã«è¿½è¨ãããã¾ãã ããè¨ããã話ã¨ãã¦ã DCI ãªãã¦å®è£ ãé¢åãªä¸ã«å¤¢ã®å®è£ ã®è©±ããã¦ãããç¾å®è§£ã¨ãã¦ã¯ Service ã¯ã©ã¹ãç¨ãã¦å®è£ ããã°ã·ã³ãã«ãªå®è£ ã«ãªãã®ã ããããããã£ããã®ã¯å¿ è¦ãªãã®ã ãã¨ãããæè¦ã¸ã®è¿çã§ãã ãããã£ãæ¹å¤ã®æèã®éã Service ã¯ã©ã¹ã¨ããã®ãã©ãã® Service ã¯ã©ã¹ãæãã¦ããã®ãããåé¡ãªã®ã§ããã DDD ã«ããã Service ã§ã¯ãªãããã«æããã®ã§ããããã PofEAA ãªã©ã§èªããã Service Layer ãªã©ãæãã¦ããã¨æããã¾ã(éããªãããè¨ã£ã¦ãã ãã)ã PofEAA ã«ããã Service Layer(以å¾ã Service ã¨å¼ã¶ãã®ã¯ãã® PofEAA ã«ããã Service ã§ã)ã¯ãã¡ã¤ã³ãªãã¸ã§ã¯ãããã¢ããªã±ã¼ã·ã§ã³ãã¸ãã¯ãåãé¢ããã¨ã主ç®çã¨ãã¦ãã¾
GoFã®ãã¶ã¤ã³ãã¿ã¼ã³ã¨ã¯ããããã°ã©ãã³ã°ã®ãã¹ããã©ã¯ãã£ã¹ãä½ç³»åãããã®ãã§ãããã®ãã¹ãã»ãã©ã¯ãã£ã¹ããã£ããã¨çè§£ãã¦è¨è¨ããã°ãã½ããã¦ã§ã¢è¨è¨ã®å¹çãé«ãããã¨ãã§ãã¾ããã¾ããã¶ã¤ã³ãã¿ã¼ã³ããããã°ã©ãã³ã°ã®ææ³ãã®å ±æãããã¹ã ã¼ãºã«ãã¦ããã¾ããå 人ãã¡ã®è©¦è¡é¯èª¤ã®çµæã广çã«å©ç¨ãã¦ãããã°ã©ãã³ã°ããã£ã¨æ¥½ããã§ãã¾ãã¾ãããï¼ ð» ãã¶ã¤ã³ãã¿ã¼ã³ã®ãã¤ã³ãGoFã®ãã¶ã¤ã³ãã¿ã¼ã³ã«ã¯ä¸ã®ããªã³ã·ãã«ãããã¾ãã å¤ãããã®ãå¤ãããªããã®ããåé¢ãã ã¤ã³ã¿ãã§ã¼ã¹ã«å¯¾ãã¦ããã°ã©ãã³ã°ããå®è£ ã«å¯¾ãã¦è¡ããªã ç¶æ¿ããéç´ å§è²ãå§è²ãå§è² å¿ è¦ã«ãªãã¾ã§ä½ããª(You Ainât Gonna Need It./YAGNI) ð¤ ãã¶ã¤ã³ãã¿ã¼ã³ä¸è¦§ ã¢ãã¹ãã©ã¯ããã¡ã¯ã㪠ãã«ã ãã¡ã¯ããªã¡ã½ãã ã·ã³ã°ã«ãã³ãã¿ã¼ã³ ã¢ããã¿ ã³ã³ãã¸ã
MVC is a phenomenal idea. You have models, which are nice self-contained bits of state, views which are nice self-contained bits of UI, and controllers which are nice self-contained bits of ⦠What? Iâm certainly not the first person to notice this, but the problem with MVC as given is that you end up stuffing too much code into your controllers, because you donât know where else to put it. To fix
GoFãã¶ã¤ã³ãã¿ã¼ã³ã®ä¸è¦§è¡¨ã¨ï¼æ´»ç¨ã®ããã®ã³ã¡ã³ãï¼ããã³å ¥éè ãç¬å¦ããããã®ãªã³ã¯éï¼ãµã³ãã«ã³ã¼ãä»ãï¼ã å ¥éè ã®ç¬å¦ãæ¯æ´ããããã«ï¼ãã®ãã¼ã¸ã®URLãæç¤ºãã¦çèªããï¼åãã¿ã¼ã³ãçæéã§å¹çããå¦ãã§ãããã ãã¶ã¤ã³ãã¿ã¼ã³ã¯ããã°ã©ãã®å¸¸èã ã Java使ããã©ããã¯åããªãã ã«ãé¢ãããï¼å ¥éæ¸ãè²·ã£ãã¾ã¾ï¼éä¸ã§æ«æãã人ãå¤ãã æ«æã®åå ã¯ï¼ãã¿ã¼ã³ã®æ°ã23ããã£ã¦ï¼å¤ãããã ããã å ¨ãã¿ã¼ã³ããããªãè¦ãã¦ãããããã«ã¯ï¼åãã¿ã¼ã³ãã¨ã« ãè¦ããã«ããããç®çã®ãã¿ã¼ã³ãªãã ãã ã10æåã§è¡¨ç¾ããã¨ï¼ãã¿ã¼ã³ã®æå³ã¯ãããªãã ãã ã¨ããè¦ç¹ã»æ¬è³ªãï¼çãã³ã¡ã³ãã§ä¼ããã°å©ãã«ãªãã ããã ãããã£ãå¦ç¿ãéãã¦ï¼Javaè¨èªã®ãè¨è¨ææ³ããä½µãã¦æãåã£ã¦ãããã¯ãã å ¨ãã¿ã¼ã³ã®ä¸è¦§è¡¨ï¼è¦ç´ã³ã¡ã³ãä»ãï¼ å ¨ãã¿ã¼ã³ã«ã¤ãã¦ï¼10æå以å
.NETéçºè ä¸å¿ å³é¸ããã°è¨äº MVVMãã¿ã¼ã³ã®å¸¸è â ãMããVããVMãã®å½¹å²ã¨ã¯ï¼ ââ ãthe sea of fertilityããã ââ å°¾ä¸ é å 2011/05/18 ã.NETéçºè ä¸å¿ å³é¸ããã°è¨äºãã·ãªã¼ãºã§ã¯ãä¸çä¸ã«ããè¨å¤§ãªããã°ã»ã³ã³ãã³ãã®ä¸ãããç¹ã«Insider.NETï¼.NETéçºè ä¸å¿ã®èªè ã«æç¨ã ã¨èããããããã°è¨äºãç·¨éé¨ãçºæã»å³é¸ãããã®ããã°è¨äºãå·çããããã¬ã¼ã®è¨±å¯ã®ä¸ããã®å ¨æã転è¼ã»ç¿»è¨³ãã¦ãã¾ãããã®æ´»åã«ããã.NETéçºè ã®ããã°æåã®ä¾¡å¤ã¨è³ªãé«ããããä¸å±¤ã®çãä¸ãã«è²¢ç®ãããã¨ãç®æãã¦ãã¾ãã MVVMï¼Model-View-ViewModelï¼ãã¿ã¼ã³ã«é¢ããç¥è¦ããã¡ãã¡ã«æ£ãã°ã£ã¦ããããã«è¦ããã®ã§ãããããã¾ã¨ãã¦ã¿ããã¨ã«ãã¾ããããã®è¨äºã¯ãMVVMã®åºæ¬çãªèãæ¹ã»å®è£ æ¹æ³ãªã©ãææ¡ããã¦
_ 5å¹´å¾ã«å¾æããªãJavaããã°ã©ã ã®æ¸ãæ¹ ããæ°æ¥ãæ»ã¬ã»ã©å¾æãã¾ãã£ã¦ããã®ã§ãããããã¦ï¼ã¨ããã®ã¯ãæ°å¹´åã«ãä¸åº¦å¾æãã¾ãã£ã¦ããã®ã¨ãã®ç¥è¦ã¯ãããã妿¹ç®ã¨ãã³ã¼ãã£ã³ã°ã®æã«æ¸ãã¦ããããã ãï¼å¾æããªãããã®æ¸ãæ¹ãããã¤ãç´¹ä»ããã ã¨ã«ããããã¡ã¯ããªã¡ã½ãããã¿ã¼ã³ã使ããã¨ã ããã¯æ¬å½ã«éè¦ããããç°¡åã§ãããªãã广ã¯çµ¶å¤§ã ã ããªä¾ã public class FooBar { private Connection conn; ... protected void setup() { ... conn = DriverManager.getConnection(url); ... } urlãæå®ãããã¨ããDriverManagerã®å®è£ ã交æããã°è¯ãã ããã¨æ³å®ãã¦ãã¦ãï¼ã¨ããããConnectionãªãããããæ¹æ³ãããå¾ãããããã¯ãããª
JavaScriptãã¶ã¤ã³ãã¿ã¼ã³ã£ã¦ãªãã ããããããªãã®ã«èããããã¡ã ãã©ãå®ã¯ããããããã®ã©ã¤ãã©ãªã仿§ã«åãè¾¼ã¾ãã¦ãããã¨ãå¤ããããã¶ã¤ã³ãã¿ã¼ã³åããããã¨ããã§ãã©ããã£ã¦ä½¿ãã®ããã¨æ¶ã ã¨ãã¦ãã人ã«ã¯ããã©ãããã¨ããã§ä½¿ãã¦ããã®ãããç¥ã£ã¦ããã°ã¤ã¡ã¼ã¸ã沸ããããããæå¤ã«ãããããã¨ãªããã ãªãã¨ãããã¨ãåããããããªãã ããããããã§ãJavaScript ããã®å¨è¾ºã®æè¡ã§ããã¶ã¤ã³ãã¿ã¼ã³ãã©ã®ããã«ä½¿ããã¦ããããç´¹ä»ãã¦ã¿ããã¨ã«ãããããã§ã¯ãGoFæ¬ã®é çªã«æ²¿ã£ã¦ã以ä¸ã®11åã®ãã¿ã¼ã³ãåãä¸ãããçæã«é¢ãããã¿ã¼ã³ Factory MethodAbstract FactoryBuilderPrototypeSingletonæ§é ã«é¢ãããã¿ã¼ã³ AdapterCompositeæ¯ãèãã«é¢ãããã¿ã¼ã³ Chain Of Respon
Java ã«ãããã³ã¼ãé²åãã¿ã¼ã³ (Code Evolution Patterns in Java) asato shimotaki <asatohan at gmail.com> æçµæ´æ°æ¥ : 2009/6/21 (2004/4/22 ãã) [...] For twenty years, I spent two or three hours a day looking at pairs of things -- buildings, tiles, stones, windows, carpets, figures, carvings of flowers, paths, seats, funiture, streets, paintings, fountains, doorways, arches, friezes -- comparing them, and asking my
第1ç« ã¯ããã¦ã®ãã¶ã¤ã³ãã¿ã¼ã³ ã¯ããã« ãã¶ã¤ã³ãã¿ã¼ã³ã¨ã¯ ç¹éã®æ§æ ããããããªãã¸ã§ã¯ãæå ãããããUML ããã㫠第2ç« éå¼ãã«ã¿ãã° ãã¸ãã¯ç·¨ Singleton (ã·ã³ã°ã«ãã³) Factory/Factory Method (ãã¡ã¯ããª/ãã¡ã¯ããªã¡ã½ãã) Strategy (ã¹ãã©ãã¸) Composite (ã³ã³ãã¸ãã) Visiter (ãã¸ã¿) 第3ç« éå¼ãã«ã¿ãã° J2EEç·¨ Template Method (ãã³ãã¬ã¼ãã¡ã½ãã) Facade (ãã¡ãµã¼ã) ViewHelper (ãã¥ã¼ãã«ã) DAO (Data Access Object) 第4ç« éå¼ãã«ã¿ãã° ãã®ä» ã¦ã¼ãã£ãªãã£ã¯ã©ã¹ å®è¡æä¾å¤ãæ¨æºçã«ä½¿ã Nullãªãã¸ã§ã¯ã 第5ç« ãã¶ã¤ã³ãã¿ã¼ã³é©ç¨ã®åæ ã¯ããã« ã¢ããªã±ã¼ã·ã§ã³ã®ä»æ§ ãªãã¡ã¯ã¿ãªã³ã°åã®ãµ
ãªãã¸ã§ã¯ãæåããã°ã©ãã³ã°ã«ããã¦ãã¶ã¤ã³ãã¿ã¼ã³ãå©ç¨ãããã¨ã¯ãéçºè ã«æ§ã ãªã¡ãªãããä¸ãã¦ããã¾ãã ããã§ã¯ãããã¶ã¤ã³ãã¿ã¼ã³ã¨ã¯ä½ããã¨ãããããªãã¶ã¤ã³ãã¿ã¼ã³ã®åºæ¬äºé ã¨ãGoFã®23åã®ãã¶ã¤ã³ãã¿ã¼ã³ãJavaãå©ç¨ãã¦ãããããã解説ãã¾ãã ãã¶ã¤ã³ãã¿ã¼ã³ INDEX
ã©ã³ãã³ã°
ãç¥ãã
ã©ã³ãã³ã°
ãªãªã¼ã¹ãé害æ å ±ãªã©ã®ãµã¼ãã¹ã®ãç¥ãã
ææ°ã®äººæ°ã¨ã³ããªã¼ã®é ä¿¡
å¦çãå®è¡ä¸ã§ã
j次ã®ããã¯ãã¼ã¯
kåã®ããã¯ãã¼ã¯
lãã¨ã§èªã
eã³ã¡ã³ãä¸è¦§ãéã
oãã¼ã¸ãéã
{{#tags}}- {{label}}
{{/tags}}