- \n
- Spring\u6846\u67b6\u5b9e\u73b0\u5e76\u63a8\u5e7f\u4e86\u63a7\u5236\u53cd\u8f6c(IOC)\u6216\u4f9d\u8d56\u6ce8\u5165(DI)\u7684\u539f\u5219\uff0c\u5b9e\u9645\u4e0a\u662f\u4e00\u4e2aIOC\u5bb9\u5668\u3002<\/li>\n
- \u4f20\u7edf\u4e0a\uff0cSpring\u5141\u8bb8\u5f00\u53d1\u4eba\u5458\u4f7f\u7528\u57fa\u4e8eXML\u7684\u914d\u7f6e\u6765\u7ba1\u7406bean\u4f9d\u8d56\u5173\u7cfb\u3002<\/li>\n
- \u6709\u4e00\u79cd\u66ff\u4ee3\u65b9\u6cd5\u53ef\u4ee5\u5b9a\u4e49bean\u53ca\u5176\u4f9d\u8d56\u5173\u7cfb\u3002\u8fd9\u79cd\u65b9\u6cd5\u662f\u57fa\u4e8eJava\u7684\u914d\u7f6e\u3002<\/li>\n
- \u4e0eXML\u65b9\u6cd5\u4e0d\u540c\uff0c\u57fa\u4e8eJava\u7684\u914d\u7f6e\u5141\u8bb8\u60a8\u4ee5\u7f16\u7a0b\u65b9\u5f0f\u7ba1\u7406bean\u7ec4\u4ef6\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u5f15\u5165\u4e86Spring\u6ce8\u89e3\u3002<\/li>\n<\/ul>\n
\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u63a2\u8ba8\u6700\u5e38\u7528\u7684Spring\u6ce8\u89e3\uff0c\u5e76\u67e5\u770b\u4e00\u4e9b\u793a\u4f8b\u7a0b\u5e8f\u3002<\/p>\n
Spring\u6838\u5fc3\u6846\u67b6\u6ce8\u89e3<\/h3>\n
\u4e00\u4e9bSpring\u6838\u5fc3\u6846\u67b6\u7684\u6ce8\u89e3\u5305\u62ec\uff1a<\/p>\n
- \n
- \n @Configuration<\/strong>\uff1a\u7528\u4e8e\u6307\u793a\u4e00\u4e2a\u7c7b\u58f0\u660e\u4e86\u4e00\u4e2a\u6216\u591a\u4e2a@Bean\u65b9\u6cd5\u3002\u8fd9\u4e9b\u7c7b\u5c06\u7531Spring\u5bb9\u5668\u5904\u7406\uff0c\u4ee5\u751f\u6210\u5728\u8fd0\u884c\u65f6\u4e3a\u8fd9\u4e9bbean\u751f\u6210bean\u5b9a\u4e49\u548c\u670d\u52a1\u8bf7\u6c42\u3002\n <\/li>\n<\/ol>\n
@Bean<\/strong>\uff1a\u8868\u793a\u4e00\u4e2a\u65b9\u6cd5\u4ea7\u751f\u4e00\u4e2a\u7531Spring\u5bb9\u5668\u7ba1\u7406\u7684bean\u3002\u8fd9\u662f\u6700\u5e38\u7528\u548c\u91cd\u8981\u7684Spring\u6ce8\u89e3\u4e4b\u4e00\u3002@Bean\u6ce8\u89e3\u8fd8\u53ef\u4ee5\u4e0e\u53c2\u6570\u4e00\u8d77\u4f7f\u7528\uff0c\u4f8b\u5982name\u3001initMethod\u548cdestroyMethod\u3002<\/p>\n
- \n
- name<\/strong> – \u5141\u8bb8\u60a8\u4e3abean\u6307\u5b9a\u540d\u79f0<\/li>\n
- initMethod<\/strong> – \u5141\u8bb8\u60a8\u9009\u62e9\u5728\u4e0a\u4e0b\u6587\u6ce8\u518c\u65f6\u8981\u8c03\u7528\u7684\u65b9\u6cd5<\/li>\n
- destroyMethod<\/strong> – \u5141\u8bb8\u60a8\u9009\u62e9\u5728\u4e0a\u4e0b\u6587\u5173\u95ed\u65f6\u8981\u8c03\u7528\u7684\u65b9\u6cd5<\/li>\n<\/ul>\n
\u4f8b\u5982\uff1a<\/p>\n
@Configuration\r\npublic class AppConfig {\r\n\r\n @Bean(name = \"comp\", initMethod = \"turnOn\", destroyMethod = \"turnOff\")\r\n Computer computer(){\r\n return new Computer();\r\n }\r\n}\r\n\r\npublic class Computer {\r\n\r\n public void turnOn(){\r\n System.out.println(\"\u52a0\u8f7d\u64cd\u4f5c\u7cfb\u7edf\");\r\n }\r\n \r\n public void turnOff(){\r\n System.out.println(\"\u5173\u95ed\u6240\u6709\u7a0b\u5e8f\");\r\n }\r\n}<\/code><\/pre>\n@PreDestroy<\/strong>\u548c@PostConstruct<\/strong>\u662fbean initMethod\u548cdestroyMethod\u7684\u66ff\u4ee3\u65b9\u5f0f\u3002\u5f53\u6211\u4eec\u5b9a\u4e49bean\u7c7b\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u5b83\u4eec\u3002\u4f8b\u5982\uff1a<\/p>\n
public class Computer {\r\n\r\n @PostConstruct\r\n public void turnOn(){\r\n System.out.println(\"\u52a0\u8f7d\u64cd\u4f5c\u7cfb\u7edf\");\r\n }\r\n\r\n @PreDestroy\r\n public void turnOff(){\r\n System.out.println(\"\u5173\u95ed\u6240\u6709\u7a0b\u5e8f\");\r\n }\r\n}<\/code><\/pre>\n@ComponentScan<\/strong>\uff1a\u4e3a@Configuration\u7c7b\u914d\u7f6e\u7ec4\u4ef6\u626b\u63cf\u6307\u4ee4\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u53ef\u4ee5\u6307\u5b9a\u626b\u63cfSpring\u7ec4\u4ef6\u7684\u57fa\u672c\u5305\u3002<\/p>\n
@Component<\/strong>\uff1a\u8868\u793a\u4e00\u4e2a\u5e26\u6ce8\u89e3\u7684\u7c7b\u662f\u4e00\u4e2a”\u7ec4\u4ef6”\u3002\u5f53\u4f7f\u7528\u57fa\u4e8e\u6ce8\u89e3\u7684\u914d\u7f6e\u548c\u7c7b\u8def\u5f84\u626b\u63cf\u65f6\uff0c\u8fd9\u4e9b\u7c7b\u88ab\u89c6\u4e3a\u81ea\u52a8\u68c0\u6d4b\u7684\u5019\u9009\u9879\u3002<\/p>\n
@PropertySource<\/strong>\uff1a\u4e3aSpring\u73af\u5883\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u5355\u7684\u58f0\u660e\u5f0f\u673a\u5236\u6765\u6dfb\u52a0\u5c5e\u6027\u6e90\u3002\u8fd8\u6709\u4e00\u4e2a\u7c7b\u4f3c\u7684\u6ce8\u89e3\u7528\u4e8e\u6dfb\u52a0\u5c5e\u6027\u6e90\u6587\u4ef6\u6570\u7ec4\uff0c\u5373@PropertySources\u3002<\/p>\n
@Service<\/strong>\uff1a\u6307\u793a\u4e00\u4e2a\u5e26\u6ce8\u89e3\u7684\u7c7b\u662f\u4e00\u4e2a”\u670d\u52a1”\u3002\u8fd9\u4e2a\u6ce8\u89e3\u662f@Component\u7684\u4e00\u4e2a\u7279\u4f8b\uff0c\u5141\u8bb8\u901a\u8fc7\u7c7b\u8def\u5f84\u626b\u63cf\u81ea\u52a8\u68c0\u6d4b\u5b9e\u73b0\u7c7b\u3002<\/p>\n
@Repository<\/strong>\uff1a\u6307\u793a\u4e00\u4e2a\u5e26\u6ce8\u89e3\u7684\u7c7b\u662f\u4e00\u4e2a”\u5b58\u50a8\u5e93”\u3002\u8fd9\u4e2a\u6ce8\u89e3\u662f@Component\u7684\u4e00\u4e2a\u7279\u4f8b\uff0c\u5e76\u5efa\u8bae\u4e0eDAO\u7c7b\u4e00\u8d77\u4f7f\u7528\u3002<\/p>\n
@Autowired<\/strong>\uff1aSpring\u7684@Autowired\u6ce8\u89e3\u7528\u4e8e\u81ea\u52a8\u6ce8\u5165bean\u3002Spring\u7684@Qualifier\u6ce8\u89e3\u4e0e@Autowired\u4e00\u8d77\u4f7f\u7528\uff0c\u4ee5\u907f\u514d\u5728\u4e3a\u540c\u4e00\u7c7b\u578b\u914d\u7f6e\u4e86\u4e24\u4e2a\u6216\u66f4\u591a\u4e2abean\u65f6\u9020\u6210\u6df7\u6dc6\u3002<\/p>\n
Spring MVC \u6ce8\u89e3<\/h3>\n
\u4e00\u4e9b\u91cd\u8981\u7684Spring MVC\u6ce8\u89e3\u5305\u62ec\uff1a<\/p>\n
- \n
- @Controller<\/strong> – \u63a7\u5236\u5668<\/li>\n
- @RequestMapping<\/strong> – \u8bf7\u6c42\u6620\u5c04<\/li>\n
- @PathVariable<\/strong> – \u8def\u5f84\u53d8\u91cf<\/li>\n
- @RequestParam<\/strong> – \u8bf7\u6c42\u53c2\u6570<\/li>\n
- @ModelAttribute<\/strong> – \u6a21\u578b\u5c5e\u6027<\/li>\n
- @RequestBody<\/strong>\u548c@ResponseBody<\/strong> – \u8bf7\u6c42\u4f53\u548c\u54cd\u5e94\u4f53<\/li>\n
- @RequestHeader<\/strong>\u548c@ResponseHeader<\/strong> – \u8bf7\u6c42\u5934\u548c\u54cd\u5e94\u5934<\/li>\n<\/ul>\n
\u4f60\u53ef\u4ee5\u5728Spring MVC\u6559\u7a0b\u4e2d\u66f4\u591a\u5730\u4e86\u89e3\u5b83\u4eec\u3002<\/p>\n
Spring\u4e8b\u52a1\u7ba1\u7406\u6ce8\u89e3<\/h3>\n
@Transactional<\/strong>\u662fSpring\u58f0\u660e\u5f0f\u4e8b\u52a1\u7ba1\u7406\u7684\u6ce8\u89e3\uff0c\u5728Spring MVC Hibernate\u4e0a\u53ef\u4ee5\u83b7\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n
Spring Security \u6ce8\u89e3<\/h3>\n
@EnableWebSecurity<\/strong>\u548c@Configuration\u7c7b\u4e00\u8d77\u4f7f\u7528\uff0c\u4ee5\u5b9a\u4e49Spring Security\u914d\u7f6e\uff0c\u5728Spring Security\u793a\u4f8b\u4e2d\u53ef\u4ee5\u9605\u8bfb\u66f4\u591a\u5185\u5bb9\u3002<\/p>\n
Spring Boot\u6ce8\u89e3<\/h3>\n
- \n
- @SpringBootApplication<\/strong><\/li>\n
- @EnableAutoConfiguration<\/strong><\/li>\n<\/ul>\n
\u8bf7\u5728 Spring Boot \u793a\u4f8b\u4e2d\u9605\u8bfb\u66f4\u591a\u5185\u5bb9\u3002<\/p>\n
Spring\u6ce8\u89e3\u793a\u4f8b<\/h3>\n
\n![\"spring](\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648b7ea4b2f92e6c732f4d\/19-0.png\" "\\"Spring\u6ce8\u89e3\u793a\u4f8b\\"")
<\/p>\nSpring\u6846\u67b6\u7684\u4f9d\u8d56\u5173\u7cfb<\/h4>\n
\u6211\u5df2\u7ecf\u521b\u5efa\u4e86Maven\u9879\u76ee\u5e76\u6dfb\u52a0\u4e86Spring\u6838\u5fc3\u6846\u67b6\u7684\u4f9d\u8d56\u3002<\/p>\n
<project xmlns=\"https:\/\/maven.apache.org\/POM\/4.0.0\" xmlns:xsi=\"https:\/\/www.w3.org\/2001\/XMLSchema-instance\"\r\n xsi:schemaLocation=\"https:\/\/maven.apache.org\/POM\/4.0.0 https:\/\/maven.apache.org\/xsd\/maven-4.0.0.xsd\">\r\n <modelVersion>4.0.0<\/modelVersion>\r\n <groupId>com.Olivia.spring<\/groupId>\r\n <artifactId>spring-annotations<\/artifactId>\r\n <version>0.0.1-SNAPSHOT<\/version>\r\n <name>Spring Annotations<\/name>\r\n\r\n <properties>\r\n <spring.framework>4.3.0.RELEASE<\/spring.framework>\r\n <\/properties>\r\n\r\n <dependencies>\r\n <dependency>\r\n <groupId>org.springframework<\/groupId>\r\n <artifactId>spring-context<\/artifactId>\r\n <version>${spring.framework}<\/version>\r\n <\/dependency>\r\n <dependency>\r\n <groupId>org.springframework<\/groupId>\r\n <artifactId>spring-core<\/artifactId>\r\n <version>${spring.framework}<\/version>\r\n <\/dependency>\r\n <\/dependencies>\r\n<\/project><\/code><\/pre>\n\u8fd9\u5c06\u4e3a\u6211\u4eec\u7684\u9879\u76ee\u52a0\u8f7d\u6240\u6709\u7684Spring\u6838\u5fc3jar\u5305\u3002<\/p>\n
\u7ec4\u4ef6\u7c7b\u522b<\/h4>\n<\/div>\n
\u8fd9\u662f\u6587\u7ae0\u300aSpring\u6ce8\u89e3\u300b\u7684\u7b2c2\u90e8\u5206\uff08\u51713\u90e8\u5206\uff09\u3002<\/p>\n
\u4e0b\u4e00\u6b65\u662f\u521b\u5efa\u7ec4\u4ef6\u7c7b\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u6b63\u5728\u6a21\u4eff\u591a\u4e2a\u6570\u636e\u5e93\u7ec4\u4ef6\uff0c\u4e00\u4e2a\u662f\u7528\u4e8eMySQL\uff0c\u53e6\u4e00\u4e2a\u662f\u7528\u4e8eOracle\u3002<\/p>\n
package com.Olivia.drivers;\r\n\r\npublic interface DataBaseDriver {\r\n public String getInfo();\r\n}\r\n<\/code><\/pre>\n\u6211\u4eec\u5c06\u5b9e\u73b0\u7684\u57fa\u672c\u63a5\u53e3\u662f DataBaseDriver\u3002<\/p>\n
package com.Olivia.drivers;\r\n\r\nimport org.springframework.beans.factory.annotation.Value;\r\nimport org.springframework.context.annotation.PropertySource;\r\nimport org.springframework.stereotype.Component;\r\n\r\n@Component\r\n@PropertySource(\"classpath:mysqldatabase.properties\")\r\npublic class MySqlDriver implements DataBaseDriver {\r\n\r\n @Value(\"${databaseName}\")\r\n private String databaseName;\r\n @Value(\"${disableStatementPooling}\")\r\n private String disableStatementPooling;\r\n\r\n public String getInfo() {\r\n return \"[ Driver: mySql\" +\r\n \", databaseName: \" + databaseName +\r\n \", disableStatementPooling: \" + disableStatementPooling +\r\n \" ]\";\r\n }\r\n}\r\n<\/code><\/pre>\n\u8bf7\u6ce8\u610f\u4f7f\u7528@Component\u6ce8\u89e3\u6765\u6307\u793aSpring\u6846\u67b6\u5c06\u8fd9\u4e2a\u7c7b\u89c6\u4e3a\u4e00\u4e2a\u7ec4\u4ef6\u3002\u6211\u4eec\u8fd8\u4f7f\u7528@PropertySource\u548c@Value\u6ce8\u89e3\uff0cSpring\u5c06\u5728\u8fd0\u884c\u65f6\u4f7f\u7528\u5b83\u4eec\u6765\u4ece\u6307\u5b9a\u7684\u5c5e\u6027\u6587\u4ef6\u4e2d\u6ce8\u5165\u548c\u8bbe\u7f6e\u8fd9\u4e9b\u53d8\u91cf\u7684\u503c\u3002\u4ee5\u4e0b\u662fmysqldatabase.properties\u6587\u4ef6\u4e2d\u58f0\u660e\u7684\u5c5e\u6027\u3002<\/p>\n
databaseName=school\r\ndisableStatementPooling=true\r\n<\/code><\/pre>\npackage com.Olivia.drivers;\r\n\r\npublic class OracleDriver implements DataBaseDriver {\r\n\r\n protected String url;\r\n protected String user;\r\n protected String password;\r\n protected String driver;\r\n protected Integer port;\r\n\r\n\r\n public String getUrl() {\r\n return url;\r\n }\r\n\r\n public String getUser() {\r\n return user;\r\n }\r\n\r\n public void setUser(String user) {\r\n this.user = user;\r\n }\r\n\r\n public String getPassword() {\r\n return password;\r\n }\r\n\r\n public void setPassword(String password) {\r\n this.password = password;\r\n }\r\n\r\n public String getDriver() {\r\n return driver;\r\n }\r\n\r\n public void setDriver(String driver) {\r\n this.driver = driver;\r\n }\r\n\r\n public Integer getPort() {\r\n return port;\r\n }\r\n\r\n public void setPort(Integer port) {\r\n this.port = port;\r\n }\r\n\r\n public void setUrl(String url) {\r\n this.url = url;\r\n }\r\n\r\n public String getInfo() {\r\n return \"[ Driver: Oracle\" +\r\n \", url: \" + url +\r\n \", port; \" + port +\r\n \", user: \" + user +\r\n \", password: \" + password +\r\n \", driver: \" + driver +\r\n \" ] \";\r\n }\r\n}\r\n<\/code><\/pre>\nOracleDriver\u662f\u4e00\u4e2a\u7b80\u5355\u7684bean\uff0c\u6211\u4eec\u5c06\u4f7f\u7528service\u7c7b\u5c06\u5c5e\u6027\u6ce8\u5165\u5230\u8fd9\u4e2abean\u4e2d\u3002<\/p>\n
Spring\u670d\u52a1\u7c7b<\/h4>\n
package com.Olivia.service;\r\n\r\nimport com.Olivia.drivers.DataBaseDriver;\r\nimport org.springframework.beans.factory.annotation.Autowired;\r\nimport org.springframework.beans.factory.annotation.Qualifier;\r\nimport org.springframework.stereotype.Service;\r\n\r\n@Service\r\npublic class UserService {\r\n\r\n @Autowired\r\n @Qualifier(\"oracleDriver\")\r\n private DataBaseDriver dataBaseDriver;\r\n\r\n public String getDriverInfo(){\r\n return dataBaseDriver.getInfo();\r\n }\r\n}\r\n<\/code><\/pre>\n\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u4f7f\u7528@Service\u6ce8\u89e3\u6765\u544a\u8bc9Spring\u6846\u67b6\u5c06\u6b64\u7c7b\u89c6\u4e3a\u670d\u52a1\u7c7b\u3002\u7136\u540e\uff0c\u6211\u4eec\u4f7f\u7528@Autowired\u548c@Qualifier(“oracleDriver”)\u6ce8\u89e3\u6765\u544a\u8bc9Spring\u6846\u67b6\u5c06\u540d\u4e3aoracleDriver\u7684bean\u6ce8\u5165\u5230\u7c7b\u5c5e\u6027dataBaseDriver\u4e2d\u3002\u8bf7\u6ce8\u610f\uff0c\u6211\u4eec\u5c1a\u672a\u521b\u5efa\u8fd9\u4e2aSpring bean\u3002<\/p>\n
Spring Bean<\/h4>\n
\u8fd9\u662f\u6587\u7ae0\u300aSpring\u6ce8\u89e3\u300b\u7684\u7b2c3\u90e8\u5206\uff08\u51713\u90e8\u5206\uff09\u3002<\/p>\n
\u6700\u540e\u4e00\u6b65\u662f\u521b\u5efa\u6211\u4eec\u7684Spring Bean\u548c\u914d\u7f6e\u7c7b\uff0c\u5c06\u6240\u6709\u5185\u5bb9\u8054\u7cfb\u8d77\u6765\u3002<\/p>\n
package com.Olivia.config;\r\n\r\nimport org.springframework.beans.factory.annotation.Autowired;\r\nimport org.springframework.context.annotation.Bean;\r\nimport org.springframework.context.annotation.ComponentScan;\r\nimport org.springframework.context.annotation.Configuration;\r\nimport org.springframework.context.annotation.PropertySource;\r\nimport org.springframework.core.env.Environment;\r\n\r\nimport com.Olivia.drivers.DataBaseDriver;\r\nimport com.Olivia.drivers.MySqlDriver;\r\nimport com.Olivia.drivers.OracleDriver;\r\n\r\n@Configuration\r\n@ComponentScan(\"com.Olivia\")\r\n@PropertySource(\"classpath:oracledatabase.properties\")\r\npublic class AppConfig {\r\n\r\n\t@Autowired\r\n Environment environment;\r\n\t\r\n\t@Bean\r\n\tDataBaseDriver oracleDriver() {\r\n OracleDriver oracleDriver = new OracleDriver();\r\n\toracleDriver.setDriver(environment.getProperty(\"db.driver\"));\r\n oracleDriver.setUrl(environment.getProperty(\"db.url\"));\r\n oracleDriver.setPort(Integer.parseInt(environment.getProperty(\"db.port\")));\r\n oracleDriver.setUser(environment.getProperty(\"db.user\"));\r\n oracleDriver.setPassword(environment.getProperty(\"db.password\"));\r\n\r\n return oracleDriver;\r\n\r\n\t}\r\n\r\n\t@Bean\r\n\tDataBaseDriver mysqlDriver() {\r\n\t\treturn new MySqlDriver();\r\n\t}\r\n}\r\n<\/code><\/pre>\n\u8bf7\u6ce8\u610foracleDriver\u7684bean\u5b9a\u4e49\u3002\u5728\u8fd9\u4e2a\u65b9\u6cd5\u4e2d\uff0c\u6211\u4eec\u4ece\u7531Spring\u6846\u67b6\u8bbe\u7f6e\u4e3a\u73af\u5883\u53d8\u91cf\u7684oracledatabase.properties\u6587\u4ef6\u4e2d\u8bfb\u53d6\u5c5e\u6027\u3002\u4ee5\u4e0b\u662f\u5728oracledatabase.properties\u6587\u4ef6\u4e2d\u5b9a\u4e49\u7684\u5c5e\u6027\u3002<\/p>\n
db.url=localhost\r\ndb.port=4444\r\ndb.user=vasiliy\r\ndb.password=yilisav\r\ndb.driver=driver_name\r\n<\/code><\/pre>\n\u6211\u4eec\u7684Spring\u6ce8\u89e3\u793a\u4f8b\u9879\u76ee\u5df2\u7ecf\u51c6\u5907\u597d\u8fdb\u884c\u6d4b\u8bd5\u4e86\u3002\u7b80\u5355\u6982\u62ec\u4e00\u4e0b\uff0c\u6211\u4eec\u5b8c\u6210\u4e86\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n
- \n
- \u521b\u5efa\u4e86\u4e00\u4e2aMaven\u9879\u76ee\u5e76\u6dfb\u52a0\u4e86\u6240\u9700\u7684Spring\u4f9d\u8d56\u3002<\/li>\n
- \u521b\u5efa\u4e86\u7ec4\u4ef6\u7c7b\u5e76\u5c06\u8d44\u6e90\u6587\u4ef6\u4e2d\u7684\u5c5e\u6027\u6ce8\u5165\u5230\u53d8\u91cf\u4e2d\u3002<\/li>\n
- \u5982\u679c\u6211\u4eec\u6709\u7b2c\u4e09\u65b9\u7ec4\u4ef6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Service\u7c7b\u5c06\u4f9d\u8d56\u6ce8\u5165\u5230\u5176\u4e2d\u3002\u5c31\u50cf\u6211\u4eec\u901a\u8fc7UserService\u7c7b\u4e3aOracleDriver\u505a\u7684\u90a3\u6837\u3002<\/li>\n
- \u6700\u540e\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u914d\u7f6e\u7c7b\u6765\u5b9a\u4e49SpringBean\uff0c\u5e76\u8bbe\u7f6e\u57fa\u7840\u5305\u4ee5\u626b\u63cfSpring\u7ec4\u4ef6\u7c7b\u5e76\u5bf9\u5176\u8fdb\u884c\u914d\u7f6e\u3002<\/li>\n<\/ol>\n
Spring\u6ce8\u89e3\u793a\u4f8b\u6d4b\u8bd5<\/h3>\n
\u8fd9\u662f\u6211\u4eec\u7684\u4e3b\u7c7b\uff0c\u7528\u4e8e\u6d4b\u8bd5\u6211\u4eec\u7684Spring\u6ce8\u89e3\u793a\u4f8b\u9879\u76ee\u3002<\/p>\n
package com.Olivia;\r\n\r\nimport org.springframework.context.annotation.AnnotationConfigApplicationContext;\r\nimport org.springframework.context.support.AbstractApplicationContext;\r\n\r\nimport com.Olivia.config.AppConfig;\r\nimport com.Olivia.drivers.DataBaseDriver;\r\nimport com.Olivia.service.UserService;\r\n\r\npublic class Main {\r\n\tpublic static void main(String[] args) {\r\n\tAbstractApplicationContext appContext = new AnnotationConfigApplicationContext(AppConfig.class);\r\n\r\n\tDataBaseDriver oracle = appContext.getBean(\"oracleDriver\", DataBaseDriver.class);\r\n\tDataBaseDriver mysql = appContext.getBean(\"mysqlDriver\", DataBaseDriver.class);\r\n\t\t\r\n System.out.println(\"Oracle driver info:\");\r\n System.out.println(oracle.getInfo());\r\n \r\n System.out.println(\"MySQL driver info:\");\r\n System.out.println(mysql.getInfo());\r\n\r\n System.out.println(\"UserService Information\");\r\n\tUserService userService = appContext.getBean(UserService.class);\r\n\tSystem.out.println(userService.getDriverInfo());\r\n\r\n\tappContext.close();\r\n\t}\r\n}\r\n<\/code><\/pre>\n![\"spring](\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648b7ea4b2f92e6c732f4d\/46-0.png\" "\\"\\"")
<\/div>\n\u4e0b\u8f7dSpring\u6ce8\u89e3\u793a\u4f8b\u9879\u76ee<\/p>\n
\u53c2\u8003\u8d44\u6599\uff1aAPI\u6587\u6863<\/p>\n","protected":false},"excerpt":{"rendered":"
\u8fd9\u662f\u6587\u7ae0\u300aSpring\u6ce8\u89e3\u300b\u7684\u7b2c1\u90e8\u5206\uff08\u51713\u90e8\u5206\uff09\u3002 Spring\u7684\u6ce8\u89e3\u5141\u8bb8\u6211\u4eec\u901a\u8fc7Java\u7a0b\u5e8f\u6765\u914d\u7f6e\u4f9d\u8d56\u9879\u5e76 […]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[761,768,1089,1547,333],"class_list":{"0":"post-808","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-uncategorized","7":"tag-java","8":"tag-spring-boot","9":"tag-spring","11":"tag-333"},"yoast_head":"\n
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