{"id":290,"date":"2022-04-06T20:16:34","date_gmt":"2022-04-06T12:16:34","guid":{"rendered":"https:\/\/blog.lijiajia.top\/?p=290"},"modified":"2026-06-19T21:39:41","modified_gmt":"2026-06-19T13:39:41","slug":"spring%e6%a1%86%e6%9e%b6%e5%ad%a6%e4%b9%a0%ef%bc%9aioc%e6%93%8d%e4%bd%9cbean%e7%ae%a1%e7%90%86-xml%e8%87%aa%e5%8a%a8%e8%a3%85%e9%85%8d%e5%85%ab","status":"publish","type":"post","link":"https:\/\/blog.ttwow.top\/?p=290","title":{"rendered":"Spring\u6846\u67b6\u5b66\u4e60\uff1aIOC\u64cd\u4f5cBean\u7ba1\u7406-xml\u81ea\u52a8\u88c5\u914d(\u516b)"},"content":{"rendered":"

1\u3001\u4ec0\u4e48\u662f\u81ea\u52a8\u88c5\u914d
\n(1)\u6839\u636e\u6307\u5b9a\u88c5\u914d\u89c4\u5219\uff08\u5c5e\u6027\u540d\u79f0\u6216\u8005\u5c5e\u6027\u7c7b\u578b\uff09\uff0cSpring\u81ea\u52a8\u5c06\u5339\u914d\u7684\u5c5e\u6027\u503c\u8fdb\u884c\u6ce8\u5165
\n2\u3001\u6f14\u793a\u81ea\u52a8\u88c5\u914d\u8fc7\u7a0b
\n(1)\u6839\u636e\u5c5e\u6027\u540d\u79f0\u81ea\u52a8\u6ce8\u5165<\/p>\n

\u4ee3\u7801\uff1a<\/h2>\n

Dept\uff1a<\/p>\n

public class Dept {\n\n    @Override\n    public String toString() {\n        return "Dept{}";\n    }\n}<\/code><\/pre>\n
Emp:<\/p>\n
public class Emp {\n\/\/\u81ea\u52a8\u88c5\u914d\u662f \u67e5\u627e\u7684\u5c5e\u6027\u540d\uff1adept\n    private Dept dept;\n\n    public void setDept(Dept dept) {\n        this.dept = dept;\n    }\n\n    @Override\n    public String toString() {\n        return "Emp{" +\n                "dept=" + dept +\n                '}';\n    }\n\n    public void test(){\n        System.out.println(dept);\n    }\n}<\/code><\/pre>\n
byName<\/p>\n
    <!--\u5b9e\u73b0\u81ea\u52a8\u88c5\u914d\n        bean\u6807\u7b7e\u5c5e\u6027 autowire \uff0c \u914d\u7f6e\u81ea\u52a8\u88c5\u914d\n        autowire\u4e24\u4e2a\u503c\uff1a\n            byName \u6839\u636e\u5c5e\u6027\u540d\u79f0\u6ce8\u5165\uff0c\u6ce8\u5165\u503cbean\u7684id\u548c\u7c7b\u5c5e\u6027\u540d\u79f0\u4e00\u6837\n            byType \u6839\u636e\u5c5e\u6027\u7c7b\u522b\u6ce8\u5165 \u627eDept\u7c7b\u578b\n            -->\n    <bean id="emp" class="com.spring5.autowire.Emp" autowire="byName">\n        <!--\u666e\u901a\u6ce8\u5165\u5c5e\u6027\u65b9\u5f0f-->\n<!--        <property name="dept" ref="dept"><\/property>-->\n    <\/bean>\n\n    <bean id="dept" class="com.spring5.autowire.Dept">\n\n    <\/bean><\/code><\/pre>\n
byType\uff1a\u591a\u4e2a\u7c7b\u578b\u65f6\uff0c\u65e0\u6cd5\u786e\u5b9a\u9700\u8981\u7684bean\u3002\u6240\u4ee5\u76f8\u540c\u7c7b\u578b\u7684bean\uff0c\u4e0d\u80fd\u5b9a\u4e49\u591a\u4e2a<\/p>\n
    <!--\u5b9e\u73b0\u81ea\u52a8\u88c5\u914d\n        bean\u6807\u7b7e\u5c5e\u6027 autowire \uff0c \u914d\u7f6e\u81ea\u52a8\u88c5\u914d\n        autowire\u4e24\u4e2a\u503c\uff1a\n            byName \u6839\u636e\u5c5e\u6027\u540d\u79f0\u6ce8\u5165\uff0c\u6ce8\u5165\u503cbean\u7684id\u548c\u7c7b\u5c5e\u6027\u540d\u79f0\u4e00\u6837\n            byType \u6839\u636e\u5c5e\u6027\u7c7b\u522b\u6ce8\u5165 \u627eDept\u7c7b\u578b\n            -->\n    <bean id="emp" class="com.spring5.autowire.Emp" autowire="byType">\n        <!--\u666e\u901a\u6ce8\u5165\u5c5e\u6027\u65b9\u5f0f-->\n<!--        <property name="dept" ref="dept"><\/property>-->\n    <\/bean>\n\n    <bean id="dept" class="com.spring5.autowire.Dept">\n\n    <\/bean>\n<\/code><\/pre>\n
junit\u6d4b\u8bd5\uff1a<\/p>\n
    @Test\n    public void test5(){\n\n        ApplicationContext applicationContext = new ClassPathXmlApplicationContext("bean5.xml");\n        Emp emp = applicationContext.getBean("emp", Emp.class);\n\n        System.out.println(emp);\n    }<\/code><\/pre>\n
\u6d4b\u8bd5\u7ed3\u679c\uff1a<\/p>\n
Emp{dept=Dept{}}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
1\u3001\u4ec0\u4e48\u662f\u81ea\u52a8\u88c5\u914d (1)\u6839\u636e\u6307\u5b9a\u88c5\u914d\u89c4\u5219\uff08\u5c5e\u6027\u540d\u79f0\u6216\u8005\u5c5e\u6027\u7c7b\u578b\uff09\uff0cSpring\u81ea\u52a8\u5c06\u5339\u914d\u7684\u5c5e\u6027\u503c\u8fdb\u884c\u6ce8\u5165 2 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[125],"tags":[68],"class_list":["post-290","post","type-post","status-publish","format-standard","hentry","category-java-backend","tag-spring"],"_links":{"self":[{"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/posts\/290","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=290"}],"version-history":[{"count":1,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/posts\/290\/revisions"}],"predecessor-version":[{"id":2155,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=\/wp\/v2\/posts\/290\/revisions\/2155"}],"wp:attachment":[{"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=290"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=290"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ttwow.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=290"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}