{"id":14,"date":"2013-03-20T16:41:31","date_gmt":"2013-03-20T16:41:31","guid":{"rendered":"http:\/\/www.yeetrack.com\/post\/2013-03-20\/java%20Spring%E6%A1%86%E6%9E%B6IOC%EF%BC%88%E6%8E%A7%E5%88%B6%E5%8F%8D%E8%BD%AC%EF%BC%89"},"modified":"2013-09-27T22:36:48","modified_gmt":"2013-09-27T14:36:48","slug":"javaspring%e6%a1%86%e6%9e%b6ioc%ef%bc%88%e6%8e%a7%e5%88%b6%e5%8f%8d%e8%bd%ac%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.yeetrack.com\/?p=14","title":{"rendered":"java Spring\u6846\u67b6IOC\uff08\u63a7\u5236\u53cd\u8f6c\uff09"},"content":{"rendered":"

Spring\u662fjava web\u5f00\u53d1\u4e2d\u5e94\u7528\u5f88\u5e7f\u7684java EE\u6846\u67b6\u4e4b\u4e00\uff0c\u5b83\u7684\u4e3b\u8981\u601d\u60f3\u662fIOC\uff08\u63a7\u5236\u53cd\u8f6c\uff09\u548cAOP\uff08\u9762\u5411\u5207\u9762\u7f16\u7a0b\uff09\uff0c\u5b83\u7ecf\u5e38\u548cstruts\u3001hibernate\u4e00\u8d77\u4f7f\u7528\uff0c\u5408\u79f0ssh<\/em>\u3002<\/p>\n

IOC\u63a7\u5236\u53cd\u8f6c<\/h4>\n

IOC\u4e5f\u53eb\u505aDI\uff08Dependency Injection\uff0c\u4f9d\u8d56\u6ce8\u5165\uff09\u3002\u4f20\u7edf\u7a0b\u5e8f\u4e2d\uff0c\u5982\u679c\u8981\u4f7f\u7528\u4e00\u4e2a\u7c7b\uff0c\u5c31\u8981new\u4e00\u4e2a\u5bf9\u8c61Person p1 = new Person("Lily")<\/code>\uff1b\u800c\u5728Spring\u4e2d\u662f\u4e00\u79cd\u5b8c\u5168\u4e0d\u540c\u7684\u65b9\u6cd5\uff0c\u4e0b\u9762\u662f\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff08\u4f7f\u7528maven\u6765\u7ba1\u7406jar\u5305\uff09\uff1a<\/p>\n

<\/p>\n

IDao.java\uff1a<\/p>\n

package com.yeetrack.mavenSpring;\npublic interface IDao\n{\n    public String sayHello(String name);\n}\n<\/code><\/pre>\n
\u5b9e\u73b0IDao\u63a5\u53e3\uff0cDaoImpl.java\uff1a<\/p>\n
package com.yeetrack.mavenSpring;\n\npublic class DaoImpl implements IDao\n{\n    public String sayHello(String name)\n    {\n        \/\/ TODO Auto-generated method stub\n        return "Hello, "+name;\n    }\n}  \n<\/code><\/pre>\n
\u65b0\u5efa\u4e1a\u52a1\u63a5\u53e3\uff0cIService.java:<\/p>\n
package com.yeetrack.mavenSpring;\n\npublic interface IService\n{\n    public void sayHello(String name);\n}\n<\/code><\/pre>\n
\u5b9e\u73b0IService\u63a5\u53e3\uff1a<\/p>\n
package com.yeetrack.mavenSpring;\n\npublic class ServiceImpl implements IService\n{\n    private IDao dao; \/\/\u5b9a\u4e49\u4e00\u4e2aIDao\u5bf9\u8c61\n\n    public void sayHello(String name) \/\/\u5b9e\u73b0IService\u63a5\u53e3\u4e2d\u7684\u65b9\u6cd5\n    {\n        \/\/ TODO Auto-generated method stub\n        System.out.println(dao.sayHello(name));\n    }\n\n    public IDao getDao()\n    {\n        return dao;\n    }\n\n    public void setDao(IDao dao)\n    {\n        this.dao = dao;\n    }\n}\n<\/code><\/pre>\n
\u4e0b\u9762\u5728applicationContext.xml\u4e2d\u914d\u7f6eServiceImpl\u548cDaoImpl\uff1a<\/p>\n
<?xml version="1.0" encoding="UTF-8"?>\n<beans xmlns="http:\/\/www.springframework.org\/schema\/beans"\nxmlns:xsi="http:\/\/www.w3.org\/2001\/XMLSchema-instance" xmlns:p="http:\/\/www.springframework.org\/schema\/p"\nxmlns:context="http:\/\/www.springframework.org\/schema\/context"\nxmlns:aop="http:\/\/www.springframework.org\/schema\/aop"\nxsi:schemaLocation="     \n      http:\/\/www.springframework.org\/schema\/beans     \n      http:\/\/www.springframework.org\/schema\/beans\/spring-beans-3.0.xsd     \n      http:\/\/www.springframework.org\/schema\/context     \n      http:\/\/www.springframework.org\/schema\/context\/spring-context-3.0.xsd \n      http:\/\/www.springframework.org\/schema\/aop     \n      http:\/\/www.springframework.org\/schema\/aop\/spring-aop-3.0.xsd"\ndefault-autowire="byName">\n<!-- DAO\u5bf9\u8c61 -->\n<bean id="daoImpl" class="com.yeetrack.mavenSpring.DaoImpl"><\/bean>\n\n<!-- Service\u5bf9\u8c61 -->\n<bean id="service" class="com.yeetrack.mavenSpring.ServiceImpl">\n    <!-- \u8bbe\u7f6edao\u5c5e\u6027 -->\n    <property name="dao" ref="daoImpl"><\/property>\n<\/bean>\n<\/code><\/pre>\n
 OK\uff0c\u73b0\u5728\u914d\u7f6e\u5b8c\u6210\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7applicationContext\u6765\u83b7\u53d6ServiceImpl\u5b9e\u4f8b\u4e86\u3002\u5728\u8d34\u51fa\u81ea\u5df1\u7684pom.xml\u6587\u4ef6\u5185\u5bb9\uff1a<\/p>\n
<project xmlns="http:\/\/maven.apache.org\/POM\/4.0.0" xmlns:xsi="http:\/\/www.w3.org\/2001\/XMLSchema-instance"\nxsi:schemaLocation="http:\/\/maven.apache.org\/POM\/4.0.0 http:\/\/   maven.apache.org\/maven-v4_0_0.xsd">\n    <modelVersion>4.0.0<\/modelVersion>\n    <groupId>com.yeetrack<\/groupId>\n    <artifactId>mavenSpring<\/artifactId>\n    <packaging>war<\/packaging>\n    <version>0.0.1-SNAPSHOT<\/version>\n    <name>mavenSpring Maven Webapp<\/name>\n    <url>http:\/\/maven.apache.org<\/url>\n    <dependencies>\n        <dependency>\n            <groupId>junit<\/groupId>\n            <artifactId>junit<\/artifactId>\n            <version>3.8.1<\/version>\n            <scope>test<\/scope>\n            <\/dependency>\n        <dependency>\n            <groupId>org.springframework<\/groupId>\n            <artifactId>spring-core<\/artifactId>\n            <version>3.2.2.RELEASE<\/version>\n        <\/dependency>\n        <dependency>\n            <groupId>org.springframework<\/groupId>\n            <artifactId>spring-context<\/artifactId>\n            <version>3.2.2.RELEASE<\/version>\n        <\/dependency>\n    <\/dependencies>\n    <build>\n        <finalName>mavenSpring<\/finalName>\n    <\/build>\n<\/project>  \n<\/code><\/pre>\n
\u6d4b\u8bd5\u6211\u4eec\u914d\u7f6e\u7684applicationContext\u6587\u4ef6\uff0c\u65b0\u5efaSpringTest.java\u6587\u4ef6\uff1a<\/p>\n
package com.yeetrack.mavenSpring;\n\nimport org.springframework.context.ApplicationContext;\nimport org.springframework.context.support.ClassPathXmlApplicationContext;\n\npublic class SpringTest\n{\n\n    public static void main(String[] args)\n    {\n        \/\/\u83b7\u53d6ApplicationContext\u5bb9\u5668\uff0c\u4f1a\u9ed8\u8ba4\u5bfb\u627eclasspath\u8def\u5f84\uff0c\u5982\u679c\u6ca1\u627e\u5230xml\u6587\u4ef6\uff0c\u4e5f\u53ef\u4ee5\u624b\u52a8\u6307\u5b9aapplicationContext.xml\u6587\u4ef6\u7684\u8def\u5f84\n        ApplicationContext context = new ClassPathXmlApplicationContext("applicationContext.xml");\n        IService hello = (IService) context.getBean("service");\n        hello.sayHello("Good Day!");\n\n    }\n}\n<\/code><\/pre>\n
OK\uff0c\u8fd0\u884c\u5373\u53ef\u3002\u5728\u4ee3\u7801\u8fd0\u884c\u65f6\uff0cspring\u4f1a\u6839\u636eapplicationContext.xml\u6587\u4ef6\u7684\u914d\u7f6e\u6765\u52a0\u8f7d\u76f8\u5e94\u7684java bean\uff0c\u5e76\u901a\u8fc7\u53cd\u5c04\u673a\u5236\u8c03\u7528getter\u548cseter\u65b9\u6cd5\u8bbe\u7f6ebean\u4e4b\u95f4\u7684\u4f9d\u8d56\u3002<\/p>\n
java Spring\u6846\u67b6IOC\uff08\u63a7\u5236\u53cd\u8f6c\uff09<\/a>
 java Spring\u6846\u67b6AOP\uff08\u9762\u5411\u5207\u9762\u7f16\u7a0b\uff09<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Spring\u662fjava web\u5f00\u53d1\u4e2d\u5e94\u7528\u5f88\u5e7f\u7684java EE\u6846\u67b6\u4e4b\u4e00\uff0c\u5b83\u7684\u4e3b\u8981\u601d\u60f3\u662fIOC\uff08\u63a7\u5236\u53cd\u8f6c\uff09\u548cAOP\uff08\u9762\u5411\u5207\u9762\u7f16\u7a0b\uff09\uff0c\u5b83\u7ecf\u5e38\u548cstruts\u3001hibernate\u4e00\u8d77\u4f7f\u7528\uff0c\u5408\u79f0ssh\u3002 IOC\u63a7...<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"pgc_sgb_lightbox_settings":"","footnotes":""},"categories":[33],"tags":[8,7,5],"class_list":["post-14","post","type-post","status-publish","format-standard","hentry","category-coding","tag-java","tag-7","tag-5"],"views":2758,"_links":{"self":[{"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/posts\/14","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=14"}],"version-history":[{"count":1,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/posts\/14\/revisions"}],"predecessor-version":[{"id":189,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=\/wp\/v2\/posts\/14\/revisions\/189"}],"wp:attachment":[{"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=14"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=14"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.yeetrack.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=14"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}