SSM妗嗘灦姒傝

SSM妗嗘灦鏄敱Spring Boot銆丼pring MVC浠ュ強MyBatis涓夎€呭叡鍚屾瀯寤虹殑涓€涓己澶т笖鐏垫椿鐨勫紑鍙戞灦鏋勩€?/p>

Spring Boot锛氳繖鏄竴涓揩閫熸瀯寤洪珮鎬ц兘銆佸彲鎵╁睍鐨刉eb搴旂敤鐨勫伐鍏枫€傚畠绠€鍖栦簡Spring妗嗘灦鐨勪娇鐢紝閫氳繃鑷姩閰嶇疆鍜屼緷璧栫鐞嗭紝浣垮緱寮€鍙戣€呰兘鏇村姞涓撴敞浜庝笟鍔￠€昏緫鐨勫疄鐜般€?/p>

Spring MVC锛氫綔涓轰竴涓交閲忕骇鐨凪VC妗嗘灦锛孲pring MVC瀹炵幇浜嗚鍥鹃€昏緫鍒嗙銆佷簨鍔＄鐞嗕互鍙婂紓甯稿鐞嗙瓑鍔熻兘锛屽府鍔╁紑鍙戣€呬笓娉ㄤ簬涓氬姟閫昏緫鐨勫疄鐜般€?/p>

MyBatis锛氳繖鏄竴涓紭绉€鐨凮RM妗嗘灦銆傚畠鍏佽寮€鍙戣€呯洿鎺ョ紪鍐橲QL璇彞锛岀粨鍚堝姩鎬丼QL鐢熸垚澶嶆潅銆侀珮鏁堢殑鏁版嵁鎿嶄綔浠ｇ爜锛岀壒鍒€傜敤浜庢暟鎹簱浜や簰棰戠箒鐨勯」鐩€?/p>

Spring Boot蹇€熷叆闂ㄦ寚鍗?/p>

瀹夎涓庨厤缃甋pring Boot鐜

瑕佸紑濮嬩娇鐢⊿pring Boot锛岄鍏堢‘淇濅綘鐨勫紑鍙戠幆澧冧腑瀹夎浜咼ava锛屾帹鑽愪娇鐢↗ava 11鎴栨洿楂樼増鏈€備綘鍙互閫氳繃Maven鎴朑radle鏉ョ鐞嗛」鐩緷璧栥€備互涓嬫槸濡備綍浣跨敤IntelliJ IDEA鍒涘缓Spring Boot椤圭洰鐨勬楠わ細

1. 鎵撳紑IntelliJ IDEA銆?/p>

2. 閫夋嫨鈥淐reate New Project鈥濄€?/p>

3. 鍦ㄥ脊鍑虹殑绐楀彛涓紝閫夋嫨鈥淪pring Initializr鈥濓紝骞剁偣鍑烩€淣ext鈥濄€?/p>

4. 涓轰綘鐨勯」鐩懡鍚嶏紙渚嬪锛歁ySpringBootApp锛夛紝閫夋嫨Java浣滀负寮€鍙戣瑷€锛屽苟纭繚Maven琚€変负鏋勫缓宸ュ叿銆?/p>

5. 娣诲姞鎵€闇€鐨勪緷璧栵紝濡係pring Web鍜孡ombok锛堢敤浜庝唬鐮佺敓鎴愶紝鍙€夛級銆?/p>

6. 鐐瑰嚮鈥淔inish鈥濆垱寤洪」鐩€?/p>

闄ゆ涔嬪锛屼綘涔熷彲浠ヤ娇鐢ㄥ懡浠よ鏉ュ垱寤篠pring Boot椤圭洰銆?/p>

鍒涘缓绗竴涓猄pring Boot椤圭洰

瀹屾垚涓婅堪姝ラ鍚庯紝Spring Boot浼氳嚜鍔ㄩ厤缃」鐩紝寮€鍙戣€呮棤闇€鎵嬪姩缂栧啓澶ч噺鐨勯厤缃唬鐮併€?/p>

Spring MVC鍩虹

Spring MVC瀹炵幇浜哅VC妯″紡锛屽叾涓帶鍒跺櫒锛圕ontroller锛夎礋璐ｅ鐞咹TTP璇锋眰锛屽苟鏍规嵁璇锋眰鍙傛暟鍐冲畾杩斿洖鍝釜瑙嗗浘銆傝鍥撅紙View锛夎礋璐ｆ暟鎹殑灞曠ず锛岃€屾ā鍨嬶紙Model锛夊垯灏佽浜嗕笟鍔￠€昏緫鍜屾暟鎹€?/p>

璁よ瘑Spring MVC鐨勬帶鍒跺櫒銆佽鍥惧拰妯″瀷锛氭帶鍒跺櫒鏄姹傜殑澶勭悊鑰咃紝鏍规嵁璇锋眰鍙傛暟鍐冲畾杩斿洖鍝釜瑙嗗浘锛涜鍥捐礋璐ｅ睍绀烘暟鎹紱妯″瀷灏佽浜嗕笟鍔￠€昏緫鍜屾暟鎹€?/p>

缂栧啓绗竴涓猄pring MVC鎺у埗鍣細鍒涘缓涓€涓畝鍗曠殑鎺у埗鍣ㄧ被锛屽苟浣跨敤@Controller娉ㄨВ銆備緥濡傦細`@Controller public class WelcomeController {...}`銆?/p>

澶勭悊HTTP璇锋眰鏂规硶鍜屽弬鏁帮細浣跨敤@RequestMapping娉ㄨВ鏉ユ寚瀹氳姹傛槧灏勶紝骞堕€氳繃@RequestParam绛夋敞瑙ｆ潵澶勭悊璇锋眰鍙傛暟銆?/p>

MyBatis瀹炴垬绠€杩?/p>

MyBatis鐨凮RM浼樺娍鍦ㄤ簬瀹冨厑璁稿紑鍙戣€呴€氳繃XML鏂囦欢鎴栨敞瑙ｆ潵鎻忚堪鏁版嵁搴撶殑鏄犲皠瑙勫垯銆侻yBatis鏀寔鐩存帴缂栧啓SQL璇彞浠ュ強鍔ㄦ€丼QL锛岃繖浣垮緱瀹冪壒鍒€傚悎浜庡鐞嗗鏉傜殑鏁版嵁鏌ヨ鍜屾搷浣溿€傚叾ORM鏄犲皠鑳藉姏涔熺畝鍖栦簡鏁版嵁搴撹〃涓庡璞′箣闂寸殑鏄犲皠鍏崇郴瀹氫箟銆傛瀯寤篗yBatis閰嶇疆涓嶴QL鏄犲皠鏂囦欢

涓€銆侀厤缃甅yBatis

鎴戜滑闇€瑕佸垱寤簃ybatis-config.xml閰嶇疆鏂囦欢锛岃繖鏄疢yBatis鐨勬牳蹇冮厤缃枃浠讹紝鐢ㄤ簬閰嶇疆MyBatis鐨勪富瑕佸弬鏁般€傝繖浜涘弬鏁板寘鎷暟鎹簱杩炴帴淇℃伅銆佷簨鍔＄鐞嗛厤缃瓑銆?/p>

浜屻€佸垱寤篠QL鏄犲皠鏂囦欢

绱ф帴鐫€锛屾垜浠垱寤篠QL鏄犲皠鏂囦欢锛屽UserMapper.xml銆傚湪姝ゆ枃浠朵腑锛屾垜浠皢瀹氫箟SQL璇彞锛屼緥濡傛煡璇㈢敤鎴风殑SQL璇彞锛歚SELECT FROM user WHERE id = {id}`銆傝繖浜涙槧灏勬枃浠舵弿杩颁簡濡備綍灏嗘垜浠殑Java浠ｇ爜涓嶴QL璇彞鍏宠仈璧锋潵銆?/p>

涓夈€佸疄鐜板熀鏈殑CRUD鎿嶄綔

鍦∕yBatis鐨勬帴鍙ｄ腑锛屾垜浠渶瑕佸畾涔夊搴旂殑鏂规硶锛屽getUserById銆傜劧鍚庡湪瀹炵幇绫伙紙濡俇serMapperImpl锛変腑锛屾垜浠娇鐢⊿qlSession鎵ц杩欎簺SQL璇彞銆傞€氳繃璋冪敤session鐨刧etMapper鏂规硶鑾峰彇瀵瑰簲鐨凪apper鎺ュ彛瀹炰緥锛岀劧鍚庤皟鐢ㄥ搴旂殑鏂规硶鎵цSQL璇彞銆?/p>

SSM鏁村悎鎸囧崡

涓€銆佺粺涓€閰嶇疆SSM妗嗘灦

鍦⊿pring Boot椤圭洰涓紝鎴戜滑鍙互鍒╃敤鑷姩閰嶇疆鍔熻兘锛屾棤闇€棰濆閰嶇疆鍗冲彲浣跨敤Spring MVC鍜孧yBatis銆備富瑕侀厤缃寘鎷‘淇濆紩鍏ュ繀瑕佺殑Maven鎴朑radle渚濊禆锛堝Spring Boot銆丼pring MVC銆丮yBatis绛夛級锛屼互鍙婂湪application.properties鎴朼pplication.yml涓厤缃暟鎹簱杩炴帴淇℃伅銆佹棩蹇楃骇鍒瓑銆?/p>

浜屻€佹暟鎹眰涓庝笟鍔″眰鐨勬暣鍚?/h3>

鏁版嵁灞傞€氳繃鎺ュ彛涓庝笟鍔″眰闅旂锛屼笟鍔″眰璐熻矗涓氬姟閫昏緫銆傚湪涓氬姟灞備腑锛屾垜浠皟鐢ㄦ暟鎹眰鐨勬帴鍙ｆ潵鑾峰彇鎴栨搷浣滄暟鎹€備緥濡傦紝UserService鎺ュ彛瀹氫箟浜唃etUserById鍜宻ave鏂规硶锛岃€孶serServiceImpl绫诲疄鐜颁簡杩欎簺鏂规硶骞惰皟鐢∕yBatis鐨凪apper鎺ュ彛杩涜瀹為檯鐨勬暟鎹簱鎿嶄綔銆?/p>

涓夈€佸疄璺垫渚嬩笌甯歌闂瑙ｅ喅

浠ヤ竴涓敤鎴风鐞嗙郴缁熶负渚嬶紝璇ョ郴缁熷疄鐜颁簡鐢ㄦ埛鏌ヨ銆佹坊鍔犮€佸垹闄ゅ拰鏇存柊鍔熻兘銆傞」鐩粨鏋勯€氬父鍖呮嫭婧愪唬鐮佺洰褰曪紙src/main/java锛夈€侀厤缃枃浠剁洰褰曪紙src/main/resources锛夈€侀潤鎬佽祫婧愮洰褰曪紙src/main/resources/static锛変互鍙奌TML妯℃澘鐩綍锛坰rc/main/resources/templates锛夈€傚叧閿唬鐮佺ず渚嬪寘鎷琔serController.java锛堝鐞嗙敤鎴疯姹傦級銆乁serService.java锛堜笟鍔￠€昏緫澶勭悊灞傦級浠ュ強Mapper/UserMapper.xml锛圫QL鏄犲皠鏂囦欢锛夈€傚湪瀹為檯寮€鍙戜腑锛屾垜浠彲鑳戒細閬囧埌鍚勭闂锛屽鏁版嵁搴撹繛鎺ラ棶棰樸€丼QL璇彞閿欒绛夛紝闇€瑕侀拡瀵瑰叿浣撻棶棰樿繘琛屽垎鏋愬拰瑙ｅ喅銆侻odel/User.java锛氭牳蹇冩暟鎹ā鍨嬫瑙?/p>

馃攳 甯歌闂鐨勭枒闅捐В绛?/p>

鍦ㄤ娇鐢⊿SM锛圫pring + SpringMVC + MyBatis锛夋鏋舵瀯寤篧eb搴旂敤鐨勮繃绋嬩腑锛屽彲鑳戒細閬囧埌涓€绯诲垪鎸戞垬銆傚父瑙佺殑閰嶇疆閿欒銆丼QL娉ㄥ叆鍜屼簨鍔＄鐞嗙瓑闂濡傚悓闅愬舰鐨勭粖鑴氱煶锛岄渶瑕佹垜浠竴涓€璺ㄨ秺銆傝В鍐宠繖浜涢棶棰樼殑绉樿瘈鍦ㄤ簬娣卞害闃呰瀹樻柟鏂囨。锛岀Н鏋佸姹傜ぞ鍖鸿祫婧愮殑甯姪锛屼互鍙婂埄鐢ㄥ伐鍏疯繘琛岃皟璇曘€傛瘡涓€涓棶棰橀兘鏄竴娆℃垚闀跨殑鏈轰細锛屾瘡涓€娆¤В鍐抽兘鏄妧鏈繘姝ョ殑鏍囧織銆?/p>

馃摝 搴旂敤鐨勬渶缁堝彂甯冧笌閮ㄧ讲绛栫暐

瀹屾垚搴旂敤鐨勫紑鍙戜笌娴嬭瘯鐜妭鍚庯紝鎴戜滑闇€瑕佽繘琛屽簲鐢ㄧ殑鏈€缁堝彂甯冨拰閮ㄧ讲銆傝繖鏃讹紝Maven鎴朑radle绛夋瀯寤哄伐鍏峰皢鍙戞尌宸ㄥぇ浣滅敤锛屽畠浠彲浠ュ府鍔╂垜浠敓鎴愬彲鎵ц鏂囦欢銆傛牴鎹疄闄呴渶姹傦紝鎴戜滑鍙互閫夋嫨澶氱閮ㄧ讲鏂瑰紡锛屽鏈湴閮ㄧ讲銆佷簯鏈嶅姟鍣ㄩ儴缃叉垨瀹瑰櫒鍖栫幆澧冮儴缃层€傞€夋嫨鏈€閫傚悎浣犵殑鏂瑰紡锛屽皢浣犵殑SSM妗嗘灦Web搴旂敤蹇€熶笖楂樻晥鍦版帹鍚戝競鍦恒€?/p>

閫氳繃涓婅堪姝ラ锛屽紑鍙戣€呭鍚岄┚椹竴鑹樺己澶х殑鎴樿埌锛屼粠椤圭洰鍒濆鍖栭樁娈电ǔ绋抽┒鍚戝姛鑳藉疄鐜般€佸簲鐢ㄥ彂甯冨拰閮ㄧ讲鐨勫郊宀搞€傚湪杩欎釜杩囩▼涓紝鎴戜滑涓嶄粎鎺屾彙浜哠SM妗嗘灦鐨勬牳蹇冩妧鏈紝杩樺浼氫簡濡備綍瑙ｅ喅甯歌闂锛屽苟鏈€缁堝疄鐜颁簡搴旂敤鐨勬垚鍔熷彂甯冨拰閮ㄧ讲銆傝繖鏄竴涓粠鍏ラ棬鍒扮簿閫氱殑鍏ㄨ繃绋嬶紝涔熸槸涓€涓厖婊℃寫鎴樺拰鏈洪亣鐨勬梾绋嬨€?/p>