濡備綍浣跨敤mybatis
MyBatis 鏄竴绉嶇敤浜?Java 缂栫▼璇█鐨勬寔涔呭眰妗嗘灦锛屽畠鍙互甯姪寮€鍙戣€呯畝鍖?span class="in-link" data-id="59">鏁版嵁搴?/span>鎿嶄綔銆備笅闈㈡槸浣跨敤 MyBatis 鐨勫熀鏈楠わ細
1. 娣诲姞渚濊禆锛氬湪椤圭洰鐨勬瀯寤烘枃浠讹紙濡?Maven 鐨?pom.xml锛変腑娣诲姞 MyBatis 鐨勪緷璧栭」銆備緥濡傦細
<dependency><groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>3.x.x</version>
</dependency>
2. 閰嶇疆鏁版嵁婧愶細鍦ㄩ」鐩殑閰嶇疆鏂囦欢涓厤缃暟鎹簱杩炴帴淇℃伅鍜屾暟鎹簮銆傞€氬父鎯呭喌涓嬶紝杩欎簺閰嶇疆浣嶄簬 mybatis-config.xml`鏂囦欢涓紝骞跺寘鍚暟鎹簱杩炴帴淇℃伅銆佹槧灏勫櫒浠ュ強鍏朵粬 MyBatis 閰嶇疆閫夐」銆?/p>
3. 瀹氫箟鏄犲皠鍣ㄦ帴鍙ｏ細鍒涘缓涓€涓?Java 鎺ュ彛锛岃鎺ュ彛灏嗗畾涔変笌鏁版嵁搴撲氦浜掔殑鏂规硶銆傛瘡涓柟娉曞搴斾簬涓€涓?SQL 鏌ヨ鎴栨洿鏂版搷浣溿€?/p>
4. 缂栧啓鏄犲皠鍣?XML 鏂囦欢锛氫负姣忎釜鏄犲皠鍣ㄦ帴鍙ｇ紪鍐欎竴涓?XML 鏂囦欢锛屽叾涓寘鍚笌鏁版嵁搴撲氦浜掔殑 SQL 璇彞浠ュ強缁撴灉鏄犲皠瑙勫垯銆俋ML 鏂囦欢閫氬父涓庢槧灏勫櫒鎺ュ彛鍚嶇О鐩稿悓锛屼絾鍏锋湁 .xml 鎵╁睍鍚嶃€?/p>
5. 閰嶇疆 MyBatis锛氬湪 mybatis-config.xml鏂囦欢涓厤缃?MyBatis 璁剧疆锛屼緥濡傝缃暟鎹簮銆佹寚瀹氭槧灏勫櫒鐨勪綅缃瓑銆?/p>
6. 浣跨敤 MyBatis锛氬湪浠ｇ爜涓€氳繃鍔犺浇閰嶇疆鏂囦欢銆佸垱寤?SqlSessionFactory 鍜?SqlSession 鐨勬柟寮忔潵浣跨敤 MyBatis銆係qlSessionFactory 鏄竴涓嚎绋嬪畨鍏ㄧ殑宸ュ巶绫伙紝鐢ㄤ簬鍒涘缓 SqlSession 瀵硅薄锛岃€?SqlSession 鍒欑敤浜庢墽琛?SQL 鎿嶄綔銆?/p>
涓€鏃﹀畬鎴愪簡涓婅堪姝ラ锛屽氨鍙互浣跨敤 MyBatis 鏉ユ墽琛屾暟鎹簱鎿嶄綔銆備互涓嬫槸涓€涓娇鐢?MyBatis 鏌ヨ鏁版嵁鐨勭ず渚嬶細
// 鍔犺浇 MyBatis 閰嶇疆鏂囦欢InputStream inputStream = Resources.getResourceAsStream("mybatis-config.xml");
SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder().build(inputStream);
// 鍒涘缓 SqlSession
SqlSession sqlSession = sqlSessionFactory.openSession();
try {
// 鑾峰彇鏄犲皠鍣ㄦ帴鍙ｇ殑瀹炰緥
MyMapper mapper = sqlSession.getMapper(MyMapper.class);
// 璋冪敤鏄犲皠鍣ㄦ帴鍙ｄ腑鐨勬柟娉曟墽琛屾煡璇?/p>
List<MyObject> objects = mapper.getAllObjects();
// 澶勭悊鏌ヨ缁撴灉
for (MyObject object : objects) {
System.out.println(object);
}
} finally {
// 鍏抽棴 SqlSession
sqlSession.close();
}
=杩欏彧鏄竴涓畝鍗曠殑绀轰緥锛孧yBatis 杩樻彁渚涗簡鏇村鍔熻兘鍜岀伒娲绘€э紝濡傚弬鏁颁紶閫掋€佸姩鎬?SQL銆佷簨鍔＄鐞嗙瓑銆?/p>
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