{"id":873,"date":"2024-01-13T15:39:21","date_gmt":"2023-11-22T06:04:20","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/spring-%e4%be%9d%e8%b5%96%e6%b3%a8%e5%85%a5\/"},"modified":"2025-08-03T14:26:20","modified_gmt":"2025-08-03T06:26:20","slug":"spring-%e4%be%9d%e8%b5%96%e6%b3%a8%e5%85%a5","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/spring-%e4%be%9d%e8%b5%96%e6%b3%a8%e5%85%a5\/","title":{"rendered":"Spring\u4f9d\u8d56\u6ce8\u5165\u5b8c\u5168\u6307\u5357\uff1a\u539f\u7406\u3001\u914d\u7f6e\u4e0e\u5b9e\u4f8b\u89e3\u6790"},"content":{"rendered":"

\u8fd9\u662f\u6587\u7ae0\u300aSpring \u4f9d\u8d56\u6ce8\u5165\u300b\u7684\u7b2c1\u90e8\u5206\uff08\u51713\u90e8\u5206\uff09\u3002<\/p>\n

\u5185\u5bb9\u7247\u6bb5: \u4eca\u5929\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8Spring\u7684\u4f9d\u8d56\u6ce8\u5165\u3002Spring\u6846\u67b6\u7684\u6838\u5fc3\u6982\u5ff5\u662f”\u4f9d\u8d56\u6ce8\u5165”\u548c”\u9762\u5411\u5207\u9762\u7f16\u7a0b”\u3002\u4e4b\u524d\u6211\u5df2\u7ecf\u5199\u8fc7\u5173\u4e8eJava\u4f9d\u8d56\u6ce8\u5165\u7684\u6587\u7ae0\uff0c\u4ee5\u53ca\u6211\u4eec\u5982\u4f55\u4f7f\u7528Google Guice\u6846\u67b6\u6765\u81ea\u52a8\u5316\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u8fd9\u4e2a\u8fc7\u7a0b\u3002<\/p>\n

Spring\u7684\u4f9d\u8d56\u6ce8\u5165<\/h2>\n

\u672c\u6559\u7a0b\u65e8\u5728\u63d0\u4f9b\u6709\u5173Spring\u4f9d\u8d56\u6ce8\u5165\u793a\u4f8b\u7684\u8be6\u7ec6\u4fe1\u606f\uff0c\u5305\u62ec\u57fa\u4e8e\u6ce8\u89e3\u7684\u914d\u7f6e\u548c\u57fa\u4e8eXML\u6587\u4ef6\u7684\u914d\u7f6e\u3002\u6211\u8fd8\u5c06\u4e3a\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9bJUnit\u6d4b\u8bd5\u7528\u4f8b\u793a\u4f8b\uff0c\u56e0\u4e3a\u6613\u4e8e\u6d4b\u8bd5\u662f\u4f9d\u8d56\u6ce8\u5165\u7684\u4e3b\u8981\u4f18\u70b9\u4e4b\u4e00\u3002\u6211\u5df2\u7ecf\u521b\u5efa\u4e86\u4e00\u4e2a\u540d\u4e3aspring-dependency-injection\u7684maven\u9879\u76ee\uff0c\u5176\u7ed3\u6784\u5982\u4e0b\u56fe\u6240\u793a\u3002\u8ba9\u6211\u4eec\u9010\u4e2a\u67e5\u770b\u6bcf\u4e2a\u7ec4\u4ef6\u3002<\/p>\n

Spring \u4f9d\u8d56\u6ce8\u5165 – Maven \u4f9d\u8d56<\/h3>\n

\u6211\u5728pom.xml\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4e86Spring\u548cJUnit\u7684Maven\u4f9d\u8d56\u9879\uff0c\u6700\u7ec8\u7684pom.xml\u4ee3\u7801\u5982\u4e0b\u3002<\/p>\n

<project xmlns=\"https:\/\/maven.apache.org\/POM\/4.0.0\" xmlns:xsi=\"https:\/\/www.w3.org\/2001\/XMLSchema-instance\"\r\n\txsi:schemaLocation=\"https:\/\/maven.apache.org\/POM\/4.0.0 https:\/\/maven.apache.org\/xsd\/maven-4.0.0.xsd\">\r\n\t<modelVersion>4.0.0<\/modelVersion>\r\n\t<groupId>com.Olivia.spring<\/groupId>\r\n\t<artifactId>spring-dependency-injection<\/artifactId>\r\n\t<version>0.0.1-SNAPSHOT<\/version>\r\n\r\n\t<dependencies>\r\n\t\t<dependency>\r\n\t\t\t<groupId>org.springframework<\/groupId>\r\n\t\t\t<artifactId>spring-context<\/artifactId>\r\n\t\t\t<version>4.0.0.RELEASE<\/version>\r\n\t\t<\/dependency>\r\n\t\t<dependency>\r\n\t\t\t<groupId>junit<\/groupId>\r\n\t\t\t<artifactId>junit<\/artifactId>\r\n\t\t\t<version>4.8.1<\/version>\r\n\t\t\t<scope>test<\/scope>\r\n\t\t<\/dependency>\r\n\t<\/dependencies>\r\n\r\n<\/project>\r\n<\/code><\/pre>\n
\u5f53\u524d\u7a33\u5b9a\u7248\u7684Spring\u6846\u67b6\u662f4.0.0.RELEASE\uff0cJUnit\u7684\u5f53\u524d\u7248\u672c\u662f4.8.1\uff0c\u5982\u679c\u60a8\u4f7f\u7528\u5176\u4ed6\u7248\u672c\uff0c\u5219\u9879\u76ee\u53ef\u80fd\u9700\u8981\u8fdb\u884c\u4e00\u4e9b\u66f4\u6539\u3002\u5982\u679c\u60a8\u6784\u5efa\u9879\u76ee\uff0c\u60a8\u4f1a\u6ce8\u610f\u5230\u7531\u4e8e\u4f20\u9012\u4f9d\u8d56\u5173\u7cfb\uff0c\u8fd8\u4f1a\u6dfb\u52a0\u4e00\u4e9b\u5176\u4ed6\u7684jar\u5305\u5230maven\u4f9d\u8d56\u9879\u4e2d\uff0c\u5c31\u50cf\u4e0a\u9762\u7684\u56fe\u7247\u4e00\u6837\u3002<\/p>\n
Spring\u4f9d\u8d56\u6ce8\u5165-\u670d\u52a1\u7c7b<\/h3>\n
\u5047\u8bbe\u6211\u4eec\u60f3\u8981\u5411\u7528\u6237\u53d1\u9001\u7535\u5b50\u90ae\u4ef6\u548cTwitter\u4fe1\u606f\u3002\u4e3a\u4e86\u8fdb\u884c\u4f9d\u8d56\u6ce8\u5165\uff0c\u6211\u4eec\u9700\u8981\u4e3a\u8fd9\u4e9b\u670d\u52a1\u521b\u5efa\u4e00\u4e2a\u57fa\u7c7b\u3002\u56e0\u6b64\uff0c\u6211\u6709\u4e00\u4e2aMessageService\u63a5\u53e3\uff0c\u5176\u4e2d\u58f0\u660e\u4e86\u4e00\u4e2a\u65b9\u6cd5\u7528\u4e8e\u53d1\u9001\u6d88\u606f\u3002<\/p>\n
package com.Olivia.spring.di.services;\r\n\r\npublic interface MessageService {\r\n\r\n\tboolean sendMessage(String msg, String rec);\r\n}\r\n<\/code><\/pre>\n
\u73b0\u5728\u6211\u4eec\u5c06\u6709\u771f\u6b63\u7684\u5b9e\u73b0\u7c7b\u6765\u53d1\u9001\u7535\u5b50\u90ae\u4ef6\u548c\u63a8\u7279\u6d88\u606f\u3002<\/p>\n
package com.Olivia.spring.di.services;\r\n\r\npublic class EmailService implements MessageService {\r\n\r\n\tpublic boolean sendMessage(String msg, String rec) {\r\n\t\tSystem.out.println(\"\u90ae\u4ef6\u53d1\u9001\u81f3 \"+rec+ \"\uff0c\u5185\u5bb9=\"+msg);\r\n\t\treturn true;\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n
package com.Olivia.spring.di.services;\r\n\r\npublic class TwitterService implements MessageService {\r\n\r\n\tpublic boolean sendMessage(String msg, String rec) {\r\n\t\tSystem.out.println(\"\u63a8\u7279\u6d88\u606f\u53d1\u9001\u81f3 \"+rec+ \"\uff0c\u5185\u5bb9=\"+msg);\r\n\t\treturn true;\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n
\u65e2\u7136\u6211\u4eec\u7684\u670d\u52a1\u5df2\u7ecf\u51c6\u5907\u5c31\u7eea\uff0c\u6211\u4eec\u53ef\u4ee5\u7ee7\u7eed\u8fdb\u884c\u6d88\u8d39\u670d\u52a1\u7684\u7ec4\u4ef6\u7c7b\u3002<\/p>\n
Spring\u4f9d\u8d56\u6ce8\u5165 – \u7ec4\u4ef6\u7c7b<\/h3>\n
\u8ba9\u6211\u4eec\u4e3a\u4e0a\u8ff0\u670d\u52a1\u7f16\u5199\u4e00\u4e2a\u6d88\u8d39\u8005\u7c7b\u3002\u6211\u4eec\u5c06\u6709\u4e24\u4e2a\u6d88\u8d39\u8005\u7c7b – \u4e00\u4e2a\u5e26\u6709Spring\u6ce8\u89e3\u7528\u4e8e\u81ea\u52a8\u88c5\u914d\uff0c\u53e6\u4e00\u4e2a\u6ca1\u6709\u6ce8\u89e3\uff0c\u88c5\u914d\u914d\u7f6e\u5c06\u5728XML\u914d\u7f6e\u6587\u4ef6\u4e2d\u63d0\u4f9b\u3002<\/p>\n
package com.Olivia.spring.di.consumer;\r\n\r\nimport org.springframework.beans.factory.annotation.Autowired;\r\nimport org.springframework.context.annotation.ComponentScan;\r\nimport org.springframework.stereotype.Component;\r\n\r\nimport com.Olivia.spring.di.services.MessageService;\r\n\r\n@Component\r\npublic class MyApplication {\r\n\r\n\t\/\/\u57fa\u4e8e\u5b57\u6bb5\u7684\u4f9d\u8d56\u6ce8\u5165\r\n\t\/\/@Autowired\r\n\tprivate MessageService service;\r\n\t\r\n\t\/\/\u57fa\u4e8e\u6784\u9020\u51fd\u6570\u7684\u4f9d\u8d56\u6ce8\u5165\t\r\n\t\/\/@Autowired\r\n\t\/\/public MyApplication(MessageService svc){\r\n\t\/\/\tthis.service=svc;\r\n\t\/\/}\r\n\t\r\n\t@Autowired\r\n\tpublic void setService(MessageService svc){\r\n\t\tthis.service=svc;\r\n\t}\r\n\t\r\n\tpublic boolean processMessage(String msg, String rec){\r\n\t\t\/\/\u4e00\u4e9b\u9b54\u6cd5\u64cd\u4f5c\uff0c\u5982\u9a8c\u8bc1\u3001\u65e5\u5fd7\u8bb0\u5f55\u7b49\r\n\t\treturn this.service.sendMessage(msg, rec);\r\n\t}\r\n}\r\n<\/code><\/pre>\n
MyApplication\u7c7b\u7684\u51e0\u4e2a\u91cd\u8981\u8981\u70b9\uff1a<\/p>\n
    \n
  • @Component\u6ce8\u89e3\u88ab\u6dfb\u52a0\u5230\u7c7b\u4e2d\uff0c\u8fd9\u6837\u5f53Spring\u6846\u67b6\u626b\u63cf\u7ec4\u4ef6\u65f6\uff0c\u8fd9\u4e2a\u7c7b\u5c06\u88ab\u89c6\u4e3a\u7ec4\u4ef6\u3002@Component\u6ce8\u89e3\u53ea\u80fd\u5e94\u7528\u4e8e\u7c7b\uff0c\u5176\u4fdd\u7559\u7b56\u7565\u662fRuntime\u3002\u5982\u679c\u60a8\u4e0d\u719f\u6089\u6ce8\u89e3\u4fdd\u7559\u7b56\u7565\uff0c\u6211\u5efa\u8bae\u60a8\u9605\u8bfbJava\u6ce8\u89e3\u6559\u7a0b\u3002<\/li>\n
  • @Autowired\u6ce8\u89e3\u7528\u4e8e\u8ba9Spring\u77e5\u9053\u9700\u8981\u81ea\u52a8\u88c5\u914d\u3002\u8fd9\u53ef\u4ee5\u5e94\u7528\u4e8e\u5b57\u6bb5\u3001\u6784\u9020\u51fd\u6570\u548c\u65b9\u6cd5\u3002\u8fd9\u4e2a\u6ce8\u89e3\u5141\u8bb8\u6211\u4eec\u5728\u7ec4\u4ef6\u4e2d\u5b9e\u73b0\u57fa\u4e8e\u6784\u9020\u51fd\u6570\u3001\u57fa\u4e8e\u5b57\u6bb5\u6216\u57fa\u4e8e\u65b9\u6cd5\u7684\u4f9d\u8d56\u6ce8\u5165\u3002<\/li>\n
  • \u5728\u6211\u4eec\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u4f7f\u7528\u7684\u662f\u57fa\u4e8e\u65b9\u6cd5\u7684\u4f9d\u8d56\u6ce8\u5165\u3002\u60a8\u53ef\u4ee5\u53d6\u6d88\u6ce8\u91ca\u6784\u9020\u51fd\u6570\u65b9\u6cd5\u4ee5\u5207\u6362\u5230\u57fa\u4e8e\u6784\u9020\u51fd\u6570\u7684\u4f9d\u8d56\u6ce8\u5165\u3002<\/li>\n<\/ul>\n
    \u73b0\u5728\u8ba9\u6211\u4eec\u6765\u7f16\u5199\u4e00\u4e2a\u6ca1\u6709\u6ce8\u89e3\u7684\u7c7b\u3002<\/p>\n
    package com.Olivia.spring.di.consumer;\r\n\r\nimport com.Olivia.spring.di.services.MessageService;\r\n\r\npublic class MyXMLApplication {\r\n\r\n\tprivate MessageService service;\r\n\r\n\t\/\/\u57fa\u4e8e\u6784\u9020\u51fd\u6570\u7684\u4f9d\u8d56\u6ce8\u5165\r\n\t\/\/public MyXMLApplication(MessageService svc) {\r\n\t\/\/\tthis.service = svc;\r\n\t\/\/}\r\n\t\r\n\t\/\/\u57fa\u4e8esetter\u7684\u4f9d\u8d56\u6ce8\u5165\r\n\tpublic void setService(MessageService svc){\r\n\t\tthis.service=svc;\r\n\t}\r\n\r\n\tpublic boolean processMessage(String msg, String rec) {\r\n\t\t\/\/ \u4e00\u4e9b\u9b54\u6cd5\u64cd\u4f5c\uff0c\u5982\u9a8c\u8bc1\u3001\u65e5\u5fd7\u8bb0\u5f55\u7b49\r\n\t\treturn this.service.sendMessage(msg, rec);\r\n\t}\r\n}\r\n<\/code><\/pre>\n
    \u4e00\u4e2a\u7b80\u5355\u7684\u5e94\u7528\u7a0b\u5e8f\u7c7b\u4f7f\u7528\u670d\u52a1\u3002\u5bf9\u4e8e\u57fa\u4e8eXML\u7684\u914d\u7f6e\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u57fa\u4e8e\u6784\u9020\u51fd\u6570\u7684Spring\u4f9d\u8d56\u6ce8\u5165\u6216\u57fa\u4e8e\u65b9\u6cd5\u7684Spring\u4f9d\u8d56\u6ce8\u5165\u3002\u8bf7\u6ce8\u610f\uff0c\u57fa\u4e8e\u65b9\u6cd5\u548c\u57fa\u4e8esetter\u7684\u6ce8\u5165\u65b9\u6cd5\u662f\u76f8\u540c\u7684\uff0c\u53ea\u662f\u6709\u4e9b\u4eba\u66f4\u559c\u6b22\u79f0\u4e4b\u4e3a\u57fa\u4e8esetter\u7684\u65b9\u5f0f\uff0c\u800c\u6709\u4e9b\u4eba\u79f0\u4e4b\u4e3a\u57fa\u4e8e\u65b9\u6cd5\u7684\u65b9\u5f0f\u3002<\/p>\n
    \u4f7f\u7528\u6ce8\u89e3\u8fdb\u884cSpring\u4f9d\u8d56\u6ce8\u5165\u914d\u7f6e<\/h3>\n
    \u8fd9\u662f\u6587\u7ae0\u300aSpring \u4f9d\u8d56\u6ce8\u5165\u300b\u7684\u7b2c2\u90e8\u5206\uff08\u51713\u90e8\u5206\uff09\u3002<\/p>\n
    \u5bf9\u4e8e\u57fa\u4e8e\u6ce8\u89e3\u7684\u914d\u7f6e\uff0c\u6211\u4eec\u9700\u8981\u7f16\u5199\u4e00\u4e2a\u914d\u7f6e\u7c7b\uff0c\u7528\u4e8e\u5c06\u5b9e\u9645\u7684\u5b9e\u73b0Bean\u6ce8\u5165\u5230\u7ec4\u4ef6\u5c5e\u6027\u4e2d\u3002<\/p>\n
    package com.Olivia.spring.di.configuration;\r\n\r\nimport org.springframework.context.annotation.Bean;\r\nimport org.springframework.context.annotation.ComponentScan;\r\nimport org.springframework.context.annotation.Configuration;\r\n\r\nimport com.Olivia.spring.di.services.EmailService;\r\nimport com.Olivia.spring.di.services.MessageService;\r\n\r\n@Configuration\r\n@ComponentScan(value={\"com.Olivia.spring.di.consumer\"})\r\npublic class DIConfiguration {\r\n\r\n\t@Bean\r\n\tpublic MessageService getMessageService(){\r\n\t\treturn new EmailService();\r\n\t}\r\n}\r\n<\/code><\/pre>\n
    \u5173\u4e8e\u4e0a\u8ff0\u914d\u7f6e\u7c7b\u7684\u4e00\u4e9b\u91cd\u8981\u70b9\u6709\uff1a<\/p>\n
      \n
    • @Configuration\u6ce8\u89e3\u7528\u4e8e\u8ba9Spring\u77e5\u9053\u8fd9\u662f\u4e00\u4e2a\u914d\u7f6e\u7c7b\u3002<\/li>\n
    • @ComponentScan\u6ce8\u89e3\u4e0e@Configuration\u6ce8\u89e3\u4e00\u8d77\u4f7f\u7528\uff0c\u7528\u4e8e\u6307\u5b9a\u8981\u67e5\u627e\u7ec4\u4ef6\u7c7b\u7684\u5305\u3002<\/li>\n
    • @Bean\u6ce8\u89e3\u7528\u4e8e\u8ba9Spring\u6846\u67b6\u77e5\u9053\u8fd9\u4e2a\u65b9\u6cd5\u5e94\u8be5\u7528\u4e8e\u83b7\u53d6\u8981\u6ce8\u5165\u5230\u7ec4\u4ef6\u7c7b\u4e2d\u7684bean\u5b9e\u73b0\u3002<\/li>\n<\/ul>\n
      \u8ba9\u6211\u4eec\u7f16\u5199\u4e00\u4e2a\u7b80\u5355\u7684\u7a0b\u5e8f\u6765\u6d4b\u8bd5\u6211\u4eec\u57fa\u4e8e\u6ce8\u89e3\u7684Spring\u4f9d\u8d56\u6ce8\u5165\u793a\u4f8b\u3002<\/p>\n
      package com.Olivia.spring.di.test;\r\n\r\nimport org.springframework.context.annotation.AnnotationConfigApplicationContext;\r\n\r\nimport com.Olivia.spring.di.configuration.DIConfiguration;\r\nimport com.Olivia.spring.di.consumer.MyApplication;\r\n\r\npublic class ClientApplication {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\tAnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(DIConfiguration.class);\r\n\t\tMyApplication app = context.getBean(MyApplication.class);\r\n\t\t\r\n\t\tapp.processMessage(\"Hi Pankaj\", \"scdev@abc.com\");\r\n\t\t\r\n\t\t\/\/close the context\r\n\t\tcontext.close();\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n
      AnnotationConfigApplicationContext\u662fAbstractApplicationContext\u62bd\u8c61\u7c7b\u7684\u5b9e\u73b0\uff0c\u7528\u4e8e\u5728\u4f7f\u7528\u6ce8\u89e3\u65f6\u5c06\u670d\u52a1\u81ea\u52a8\u6ce8\u5165\u5230\u7ec4\u4ef6\u4e2d\u3002AnnotationConfigApplicationContext\u6784\u9020\u51fd\u6570\u4f7f\u7528Class\u4f5c\u4e3a\u53c2\u6570\uff0c\u8be5\u53c2\u6570\u7528\u4e8e\u83b7\u53d6\u8981\u6ce8\u5165\u5230\u7ec4\u4ef6\u7c7b\u4e2d\u7684bean\u5b9e\u73b0\u3002getBean(Class)\u65b9\u6cd5\u8fd4\u56deComponent\u5bf9\u8c61\uff0c\u5e76\u4f7f\u7528\u914d\u7f6e\u8fdb\u884c\u5bf9\u8c61\u7684\u81ea\u52a8\u6ce8\u5165\u3002\u4e0a\u4e0b\u6587\u5bf9\u8c61\u662f\u8d44\u6e90\u5bc6\u96c6\u578b\u7684\uff0c\u6240\u4ee5\u6211\u4eec\u5e94\u8be5\u5728\u4f7f\u7528\u5b8c\u6210\u540e\u5173\u95ed\u5b83\u4eec\u3002\u5f53\u6211\u4eec\u8fd0\u884c\u4ee5\u4e0a\u7a0b\u5e8f\u65f6\uff0c\u4f1a\u5f97\u5230\u4ee5\u4e0b\u8f93\u51fa\u3002<\/p>\n
      Dec 16, 2013 11:49:20 PM org.springframework.context.support.AbstractApplicationContext prepareRefresh\r\nINFO: Refreshing org.springframework.context.annotation.AnnotationConfigApplicationContext@3067ed13: startup date [Mon Dec 16 23:49:20 PST 2013]; root of context hierarchy\r\nEmail Sent to scdev@abc.com with Message=Hi Pankaj\r\nDec 16, 2013 11:49:20 PM org.springframework.context.support.AbstractApplicationContext doClose\r\nINFO: Closing org.springframework.context.annotation.AnnotationConfigApplicationContext@3067ed13: startup date [Mon Dec 16 23:49:20 PST 2013]; root of context hierarchy\r\n<\/code><\/pre>\n
      \u57fa\u4e8eXML\u7684Spring\u4f9d\u8d56\u6ce8\u5165\u914d\u7f6e<\/h3>\n
      \u8fd9\u662f\u6587\u7ae0\u300aSpring \u4f9d\u8d56\u6ce8\u5165\u300b\u7684\u7b2c3\u90e8\u5206\uff08\u51713\u90e8\u5206\uff09\u3002<\/p>\n
      \u5185\u5bb9\u7247\u6bb5\uff1a\u6211\u4eec\u5c06\u4f7f\u7528\u4ee5\u4e0b\u6570\u636e\u521b\u5efaSpring\u914d\u7f6e\u6587\u4ef6\uff0c\u6587\u4ef6\u540d\u53ef\u4ee5\u662f\u4efb\u610f\u540d\u79f0\u3002applicationContext.xml\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
      <?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n<beans xmlns=\"https:\/\/www.springframework.org\/schema\/beans\"\r\n\txmlns:xsi=\"https:\/\/www.w3.org\/2001\/XMLSchema-instance\"\r\n\txsi:schemaLocation=\"\r\nhttps:\/\/www.springframework.org\/schema\/beans https:\/\/www.springframework.org\/schema\/beans\/spring-beans-4.0.xsd\">\r\n\r\n<!-- \r\n\t<bean id=\"MyXMLApp\" class=\"com.Olivia.spring.di.consumer.MyXMLApplication\">\r\n\t\t<constructor-arg>\r\n\t\t\t<bean class=\"com.Olivia.spring.di.services.TwitterService\" \/>\r\n\t\t<\/constructor-arg>\r\n\t<\/bean>\r\n-->\r\n\t<bean id=\"twitter\" class=\"com.Olivia.spring.di.services.TwitterService\"><\/bean>\r\n\t<bean id=\"MyXMLApp\" class=\"com.Olivia.spring.di.consumer.MyXMLApplication\">\r\n\t\t<property name=\"service\" ref=\"twitter\"><\/property>\r\n\t<\/bean>\r\n<\/beans>\r\n<\/code><\/pre>\n
      \u8bf7\u6ce8\u610f\uff0c\u4e0a\u8ff0XML\u6587\u4ef6\u5305\u542b\u4e86\u57fa\u4e8e\u6784\u9020\u51fd\u6570\u548c\u57fa\u4e8esetter\u65b9\u6cd5\u7684Spring\u4f9d\u8d56\u6ce8\u5165\u914d\u7f6e\u3002\u7531\u4e8eMyXMLApplication\u4f7f\u7528setter\u65b9\u6cd5\u8fdb\u884c\u6ce8\u5165\uff0c\u56e0\u6b64bean\u914d\u7f6e\u5305\u542b\u4e86property\u5143\u7d20\u7528\u4e8e\u6ce8\u5165\u3002\u5bf9\u4e8e\u57fa\u4e8e\u6784\u9020\u51fd\u6570\u7684\u6ce8\u5165\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528constructor-arg\u5143\u7d20\u3002\u914d\u7f6eXML\u6587\u4ef6\u653e\u7f6e\u5728\u6e90\u76ee\u5f55\u4e2d\uff0c\u56e0\u6b64\u5728\u6784\u5efa\u540e\u5b83\u5c06\u4f4d\u4e8e\u7c7b\u8def\u5f84\u4e0b\u3002\u63a5\u4e0b\u6765\uff0c\u8ba9\u6211\u4eec\u770b\u770b\u5982\u4f55\u4f7f\u7528\u57fa\u4e8eXML\u7684\u914d\u7f6e\u6765\u7f16\u5199\u4e00\u4e2a\u7b80\u5355\u7684\u7a0b\u5e8f\u3002<\/p>\n
      package com.Olivia.spring.di.test;\r\n\r\nimport org.springframework.context.support.ClassPathXmlApplicationContext;\r\n\r\nimport com.Olivia.spring.di.consumer.MyXMLApplication;\r\n\r\npublic class ClientXMLApplication {\r\n\r\n\tpublic static void main(String[] args) {\r\n\t\tClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext(\r\n\t\t\t\t\"applicationContext.xml\");\r\n\t\tMyXMLApplication app = context.getBean(MyXMLApplication.class);\r\n\r\n\t\tapp.processMessage(\"Hi Pankaj\", \"scdev@abc.com\");\r\n\r\n\t\t\/\/ close the context\r\n\t\tcontext.close();\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n
      \u901a\u8fc7\u63d0\u4f9b\u914d\u7f6e\u6587\u4ef6\u7684\u4f4d\u7f6e\uff0c\u53ef\u4ee5\u4f7f\u7528ClassPathXmlApplicationContext\u83b7\u53d6ApplicationContext\u5bf9\u8c61\u3002\u5b83\u6709\u591a\u4e2a\u91cd\u8f7d\u7684\u6784\u9020\u51fd\u6570\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u63d0\u4f9b\u591a\u4e2a\u914d\u7f6e\u6587\u4ef6\u3002\u5176\u4f59\u7684\u4ee3\u7801\u4e0e\u57fa\u4e8e\u6ce8\u89e3\u7684\u914d\u7f6e\u6d4b\u8bd5\u7a0b\u5e8f\u76f8\u4f3c\uff0c\u552f\u4e00\u7684\u533a\u522b\u5728\u4e8e\u6211\u4eec\u6839\u636e\u914d\u7f6e\u9009\u62e9\u7684\u65b9\u5f0f\u83b7\u53d6ApplicationContext\u5bf9\u8c61\u3002\u8fd0\u884c\u4e0a\u8ff0\u7a0b\u5e8f\u65f6\uff0c\u6211\u4eec\u5c06\u5f97\u5230\u4ee5\u4e0b\u8f93\u51fa\u3002<\/p>\n
      Dec 17, 2013 12:01:23 AM org.springframework.context.support.AbstractApplicationContext prepareRefresh\r\nINFO: Refreshing org.springframework.context.support.ClassPathXmlApplicationContext@4eeaabad: startup date [Tue Dec 17 00:01:23 PST 2013]; root of context hierarchy\r\nDec 17, 2013 12:01:23 AM org.springframework.beans.factory.xml.XmlBeanDefinitionReader loadBeanDefinitions\r\nINFO: Loading XML bean definitions from class path resource [applicationContext.xml]\r\nTwitter message Sent to scdev@abc.com with Message=Hi Pankaj\r\nDec 17, 2013 12:01:23 AM org.springframework.context.support.AbstractApplicationContext doClose\r\nINFO: Closing org.springframework.context.support.ClassPathXmlApplicationContext@4eeaabad: startup date [Tue Dec 17 00:01:23 PST 2013]; root of context hierarchy\r\n<\/code><\/pre>\n
      \u8bf7\u6ce8\u610f\uff0c\u90e8\u5206\u8f93\u51fa\u7531Spring\u6846\u67b6\u751f\u6210\u3002\u7531\u4e8eSpring\u6846\u67b6\u4f7f\u7528log4j\u8fdb\u884c\u65e5\u5fd7\u8bb0\u5f55\uff0c\u5e76\u4e14\u5c1a\u672a\u8fdb\u884c\u914d\u7f6e\uff0c\u56e0\u6b64\u8f93\u51fa\u5c06\u88ab\u5199\u5165\u63a7\u5236\u53f0\u3002<\/p>\n
      Spring\u4f9d\u8d56\u6ce8\u5165JUnit\u6d4b\u8bd5\u6848\u4f8b<\/h3>\n
      \u5728Spring\u4e2d\u91c7\u7528\u4f9d\u8d56\u6ce8\u5165\u7684\u4e00\u4e2a\u4e3b\u8981\u4f18\u70b9\u662f\u53ef\u4ee5\u8f7b\u677e\u4f7f\u7528\u6a21\u62df\u670d\u52a1\u7c7b\u800c\u975e\u5b9e\u9645\u670d\u52a1\u3002\u56e0\u6b64\uff0c\u6211\u5c06\u4ee5\u4e0a\u6240\u6709\u5b66\u4e60\u5185\u5bb9\u7ed3\u5408\u8d77\u6765\uff0c\u7f16\u5199\u4e86\u4e00\u4e2aJUnit 4\u6d4b\u8bd5\u7c7b\uff0c\u7528\u4e8e\u6d4b\u8bd5Spring\u7684\u4f9d\u8d56\u6ce8\u5165\u529f\u80fd\u3002<\/p>\n
      package com.Olivia.spring.di.test;\r\n\r\nimport org.junit.Assert;\r\nimport org.junit.After;\r\nimport org.junit.Before;\r\nimport org.junit.Test;\r\nimport org.springframework.context.annotation.AnnotationConfigApplicationContext;\r\nimport org.springframework.context.annotation.Bean;\r\nimport org.springframework.context.annotation.ComponentScan;\r\nimport org.springframework.context.annotation.Configuration;\r\n\r\nimport com.Olivia.spring.di.consumer.MyApplication;\r\nimport com.Olivia.spring.di.services.MessageService;\r\n\r\n@Configuration\r\n@ComponentScan(value=\"com.Olivia.spring.di.consumer\")\r\npublic class MyApplicationTest {\r\n\t\r\n\tprivate AnnotationConfigApplicationContext context = null;\r\n\r\n\t@Bean\r\n\tpublic MessageService getMessageService() {\r\n\t\treturn new MessageService(){\r\n\r\n\t\t\tpublic boolean sendMessage(String msg, String rec) {\r\n\t\t\t\tSystem.out.println(\"Mock Service\");\r\n\t\t\t\treturn true;\r\n\t\t\t}\r\n\t\t\t\r\n\t\t};\r\n\t}\r\n\r\n\t@Before\r\n\tpublic void setUp() throws Exception {\r\n\t\tcontext = new AnnotationConfigApplicationContext(MyApplicationTest.class);\r\n\t}\r\n\t\r\n\t@After\r\n\tpublic void tearDown() throws Exception {\r\n\t\tcontext.close();\r\n\t}\r\n\r\n\t@Test\r\n\tpublic void test() {\r\n\t\tMyApplication app = context.getBean(MyApplication.class);\r\n\t\tAssert.assertTrue(app.processMessage(\"Hi Pankaj\", \"scdev@abc.com\"));\r\n\t}\r\n\r\n}\r\n<\/code><\/pre>\n
      \u8be5\u7c7b\u4f7f\u7528@Configuration\u548c@ComponentScan\u6ce8\u89e3\u8fdb\u884c\u6807\u6ce8\uff0c\u56e0\u4e3agetMessageService()\u65b9\u6cd5\u8fd4\u56deMessageService\u7684\u6a21\u62df\u5b9e\u73b0\u3002\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48getMessageService()\u65b9\u6cd5\u88ab@Bean\u6ce8\u89e3\u6807\u6ce8\u7684\u539f\u56e0\u3002\u7531\u4e8e\u6211\u4eec\u6b63\u5728\u6d4b\u8bd5\u4f7f\u7528\u6ce8\u89e3\u914d\u7f6e\u7684MyApplication\u7c7b\uff0c\u56e0\u6b64\u5728setUp()\u65b9\u6cd5\u4e2d\u4f7f\u7528AnnotationConfigApplicationContext\u5e76\u521b\u5efa\u5176\u5bf9\u8c61\u3002\u4e0a\u4e0b\u6587\u5c06\u5728tearDown()\u65b9\u6cd5\u4e2d\u5173\u95ed\u3002test()\u65b9\u6cd5\u7684\u4ee3\u7801\u53ea\u662f\u4ece\u4e0a\u4e0b\u6587\u4e2d\u83b7\u53d6\u7ec4\u4ef6\u5bf9\u8c61\u5e76\u5bf9\u5176\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n
      \u4f60\u662f\u5426\u60f3\u77e5\u9053Spring\u6846\u67b6\u5982\u4f55\u8fdb\u884c\u81ea\u52a8\u88c5\u914d\u548c\u8c03\u7528Spring\u6846\u67b6\u4e0d\u4e86\u89e3\u7684\u65b9\u6cd5\uff1f\u8fd9\u662f\u901a\u8fc7\u5927\u91cf\u4f7f\u7528Java\u53cd\u5c04\u6765\u5b9e\u73b0\u7684\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5b83\u6765\u5206\u6790\u548c\u4fee\u6539\u7c7b\u7684\u884c\u4e3a\u3002<\/p>\n
      \u4e0b\u8f7dSpring\u4f9d\u8d56\u6ce8\u5165\u9879\u76ee<\/h3>\n
      \u4ece\u4e0a\u8ff0\u7f51\u5740\u4e0b\u8f7dSpring\u4f9d\u8d56\u6ce8\u5165\uff08DI\uff09\u793a\u4f8b\u9879\u76ee\uff0c\u7136\u540e\u8fdb\u884c\u64cd\u4f5c\u4ee5\u4fbf\u66f4\u591a\u5730\u5b66\u4e60\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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