\u8907\u6570\u306e\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u3092\u8a2d\u5b9a\u3059\u308b\u306b\u306f\u3001\u5404\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u306e\u69cb\u6210\u3092\u4f5c\u6210\u3057\u3001\u5404\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u306b\u5bfe\u5fdc\u3059\u308b Bean \u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001\u30c7\u30e5\u30a2\u30eb\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u3092\u8a2d\u5b9a\u3059\u308b\u624b\u9806\u3067\u3059\u3002<\/p>\n
1. `application.properties` \u307e\u305f\u306f `application.yml` \u30d5\u30a1\u30a4\u30eb\u3067\u3001\u7570\u306a\u308b\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u3092\u4f7f\u7528\u3057\u3066 2 \u3064\u306e\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u306e\u63a5\u7d9a\u60c5\u5831\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u4f8b:
\n“`properties
\n# \u6700\u521d\u306e\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9
\nspring.datasource.url=jdbc:mysql:\/\/localhost:3306\/db1
\nspring.datasource.username=user1
\nspring.datasource.password=pass1
\n# 2 \u756a\u76ee\u306e\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9
\nspring.datasource.secondary.url=jdbc:mysql:\/\/localhost:3306\/db2
\nspring.datasource.secondary.username=user2
\nspring.datasource.secondary.password=pass2
\n“`<\/p>\n
2. 2 \u3064\u306e\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u306e\u69cb\u6210\u30af\u30e9\u30b9\u3092\u4f5c\u6210\u3057\u3001\u305d\u308c\u305e\u308c `DataSourceProperties` \u30af\u30e9\u30b9\u3092\u7d99\u627f\u3057\u3001\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u306b `@ConfigurationProperties` \u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u4f8b:
\n“`java
\n@Configuration
\n@ConfigurationProperties(prefix = “spring.datasource”)
\npublic class DataSource1Config extends DataSourceProperties {<\/p>\n
@Bean
\n@Primary
\npublic DataSource dataSource1() {
\nreturn createDataSource();
\n}
\n}<\/p>\n
@Configuration
\n@ConfigurationProperties(prefix = “spring.datasource.secondary”)
\npublic class DataSource2Config extends DataSourceProperties {<\/p>\n
@Bean
\npublic DataSource dataSource2() {
\nreturn createDataSource();
\n}
\n}
\n“`<\/p>\n
3. \u30e1\u30a4\u30f3\u69cb\u6210\u30af\u30e9\u30b9\u3067 `@EnableTransactionManagement` \u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u3092\u6709\u52b9\u306b\u3057\u3001`@MapperScan` \u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066 MyBatis \u306e Mapper \u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u5834\u6240\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u4f8b:
\n“`java
\n@SpringBootApplication
\n@EnableTransactionManagement
\n@MapperScan(basePackages = “com.example.mapper”)
\npublic class Application {<\/p>\n
public static void main(String[] args) {
\nSpringApplication.run(Application.class, args);
\n}
\n}
\n“`<\/p>\n
4. \u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u304c\u5fc5\u8981\u306a\u5834\u6240\u3067\u3001`@Qualifier` \u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u7528\u3057\u3066\u4f7f\u7528\u3059\u308b\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u4f8b:
\n“`java
\n@Service
\npublic class UserService {<\/p>\n
@Autowired
\n@Qualifier(“dataSource1”)
\nprivate DataSource dataSource1;<\/p>\n
@Autowired
\n@Qualifier(“dataSource2”)
\nprivate DataSource dataSource2;<\/p>\n
\/\/ dataSource1 \u307e\u305f\u306f dataSource2 \u3092\u64cd\u4f5c
\n}
\n“`<\/p>\n
\u3053\u308c\u3089\u306e\u624b\u9806\u306b\u5f93\u3046\u3053\u3068\u3067\u30012 \u3064\u306e\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u3092\u8a2d\u5b9a\u3057\u3066\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u8907\u6570\u306e\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u3092\u8a2d\u5b9a\u3059\u308b\u306b\u306f\u3001\u5404\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u306e\u69cb\u6210\u3092\u4f5c\u6210\u3057\u3001\u5404\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u306b\u5bfe\u5fdc\u3059\u308b Bean \u3092\u4f5c\u6210\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3001\u30c7\u30e5\u30a2\u30eb\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u3092\u8a2d\u5b9a\u3059\u308b\u624b\u9806\u3067\u3059\u3002 1. `application.properties` […]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-113370","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n