{"id":432,"date":"2019-01-06T00:16:17","date_gmt":"2019-01-05T16:16:17","guid":{"rendered":"https:\/\/kaispace.cn\/?p=432"},"modified":"2019-01-06T00:16:17","modified_gmt":"2019-01-05T16:16:17","slug":"spring%e5%ad%a6%e4%b9%a0%e7%ac%94%e8%ae%b0%e4%b8%80%e4%b9%8bdi%e4%be%9d%e8%b5%96%e6%b3%a8%e5%85%a5","status":"publish","type":"post","link":"https:\/\/blog.kaispace.cn\/?p=432","title":{"rendered":"Spring\u5b66\u4e60\u7b14\u8bb0(\u4e00)\u4e4bDI\u4f9d\u8d56\u6ce8\u5165"},"content":{"rendered":"<h1>\u4f9d\u8d56\u6ce8\u5165\u7684\u7c7b\u578b<\/h1>\n<ul>\n<li>\u6784\u9020\u5668\u6ce8\u5165(constructor injection)\u4f20\u5165\u7ee7\u627f\u540c\u4e00\u63a5\u53e3\u7684\u4e0d\u540c\u7c7b<\/li>\n<li>Setter\u6ce8\u5165<\/li>\n<li>\u5176\u4ed6\u6ce8\u5165<\/li>\n<\/ul>\n<h1>\u4f9d\u8d56\u6ce8\u5165\u7684\u65b9\u6cd5<\/h1>\n<ol>\n<li>\u81ea\u52a8\u914d\u7f6e<\/li>\n<li>Java\u914d\u7f6e<\/li>\n<li>XML\u914d\u7f6e<\/li>\n<\/ol>\n<h2>1\u3001\u81ea\u52a8\u914d\u7f6e<\/h2>\n<p>()\u4e2d\u4e3a\u53ef\u9009\u53c2\u6570<br \/>\n* <strong>@Configuration<\/strong> \u914d\u7f6e\u6ce8\u89e3 \u8bf4\u660e\u662f\u914d\u7f6e\u7c7b<br \/>\n* <strong>@Component<\/strong> \/\/(&#8220;id&#8221;)\u8bbe\u7f6eID \u7ec4\u4ef6\u6ce8\u89e3\uff0c\u81ea\u52a8\u626b\u63cf\u65f6\u4f1a\u626b\u63cf\u5230\u8fd9\u4e2a\u7c7b<br \/>\n* <strong>@ComponentScan<\/strong> \/\/\u8bbe\u7f6e\u626b\u63cf\u7684\u5305(&#8220;package name&#8221;) \u7ec4\u4ef6\u626b\u63cf<\/p>\n<ul>\n<li><strong>@AutoWired<\/strong> \/\/\u6dfb\u52a0(required=false)\u6ca1\u6709\u5339\u914dbean\u65f6\u4e0d\u62a5\u9519 \u81ea\u52a8DI(\u4f9d\u8d56\u6ce8\u5165)<br \/>\n\u53ef\u5728\u6784\u9020\u51fd\u6570\u5904\u6784\u9020\u5668\u6ce8\u5165\uff0c\u4e5f\u53ef\u4ee5\u5728setter\u5904\u6ce8\u5165<br \/>\n\u4e5f\u7b49\u540c\u4e8e@Inject<\/li>\n<\/ul>\n<h2>2\u3001Java\u914d\u7f6eDI<\/h2>\n<pre><code class=\"language-java line-numbers\">@Bean(name=\"xxx\")\/\/\u6307\u5b9a\u4e00\u4e2abean\u7684id\npublic \u7c7b\u5b9e\u73b0\u7684\u63a5\u53e3\u540d \u7c7b\u540d(){\/\/\u7c7b\u540d\u7b2c\u4e00\u4e2a\u5b57\u6bcd\u5c0f\u5199\n    return new \u7c7b\u5bf9\u8c61();\n    \/\/\u82e5\u6709\u4f9d\u8d56\u53ef\u4ee5(\u4f9d\u8d56\u7684\u63a5\u53e3\u6216new \u63a5\u53e3()\u4f46\u4e0d\u63a8\u8350)bean\u4e00\u822c\u90fd\u662f\u5355\u4f8b\u7684\n    return new \u7c7b\u5bf9\u8c61(\u4f9d\u8d56\u63a5\u53e3);\n}\n\/\/\u4e5f\u53ef\u4ee5\u7528setter\n@Bean(name=\"xxx\")\/\/\u6307\u5b9a\u4e00\u4e2abean\u7684id\npublic \u7c7b\u5b9e\u73b0\u7684\u63a5\u53e3\u540d \u7c7b\u540d(){\/\/\u7c7b\u540d\u7b2c\u4e00\u4e2a\u5b57\u6bcd\u5c0f\u5199\n    \u7c7b ref = new \u7c7b(\u4f9d\u8d56\u5bf9\u8c61);\n    ref.setter(\u4f9d\u8d56\u5bf9\u8c61);\n    return ref;\n}\n<\/code><\/pre>\n<h2>3\u3001XML\u914d\u7f6eDI<\/h2>\n<h4>\u6784\u9020\u5668\u6ce8\u5165<\/h4>\n<pre data-language=XML><code class=\"language-markup line-numbers\">&lt;beans xnlns=\"http:\/\/ww.springframework.org\/schema\/beans\"\n      xmlns:xsi=\"http:\/\/www.w3.org\/2001\/XMLSchema-instance\"\n      xsi:schemaLocation=\"http:\/\/springframework.org\/schema\/beans\n      http:\/\/www.springframework.org\/schema\/beans\/spring-beans.xsd\n      http:\/\/www.springframework.org\/schema\/context\"&gt;\n\n\n      &lt;bean id=\"cdPlayer\" class=\"soundsystem.CDPlayer\"&gt;\n        &lt;!--\u6784\u9020\u5668\u6ce8\u5165\u5f15\u7528--&gt;\n        &lt;constructor-arg ref=\"compactDisc\" \/&gt;\n        &lt;!--\u4e3a\u6784\u9020\u51fd\u6570\u8d4b\u5b57\u9762\u91cf--&gt;\n        &lt;constructor-arg value=\"xxx\"&gt;\n        &lt;constructor-arg value=\"xxx\"&gt;\n      &lt;\/bean&gt;\n\n      &lt;!--constructor-arg\u6bd4c\u7a7a\u95f4\u80fd\u989d\u5916\u505a\u5230\u7684\u662f\u53ef\u4ee5\u4e3a\u53c2\u6570\u88c5\u586b\u5217\u8868\u7b49\u5bb9\u5668,\n      \u4ece\u800c\u505a\u5230\u4e86\u6279\u91cf\u88c5\u586b,\u4e14\u5e26\u6709\u9884\u5148value\u6216\u88c5\u586b\u5f15\u7528--&gt;\n      &lt;constructor-arg&gt;\n      &lt;list&gt;\n          &lt;value&gt;xxx&lt;\/value&gt;\n          &lt;value&gt;xxx&lt;\/value&gt;\n      &lt;\/list&gt;\n      &lt;list&gt;\n          &lt;ref bean=\"xxx\"\/&gt;\n          &lt;ref bean=\"xxx\"\/&gt;\n      &lt;\/list&gt;\n      &lt;\/constructor-arg&gt;\n\n&lt;\/beans&gt;\n<\/code><\/pre>\n<pre><code class=\"language-XML line-numbers\">&lt;beans xnlns=\"http:\/\/ww.springframework.org\/schema\/beans\"\n      xmlns:xsi=\"http:\/\/www.w3.org\/2001\/XMLSchema-instance\"\n      xmlns:c=\"http:\/\/www.springframework.org\/schma\/c\"\n      xsi:schemaLocation=\"http:\/\/springframework.org\/schema\/beans\n      http:\/\/www.springframework.org\/schema\/beans\/spring-beans.xsd\n      http:\/\/www.springframework.org\/schema\/context\"&gt;\n\n      &lt;!-- configuration cetains no here --&gt;\n      &lt;!--\u6784\u9020\u5668\u6ce8\u5165\u4e5f\u53ef\u4ee5\u7528c\u547d\u540d\u7a7a\u95f4,\u4f46\u662f\u8981\u5f15\u5165\u4ee5\u4e0b\u8fd9\u4e2axsd--&gt;\n      &lt;!--xmlns:c=\"http:\/\/www.springframework.org\/schma\/c\"--&gt;\n      &lt;!--\u7528\u6cd5--&gt;\n      &lt;!--c:_\u53c2\u6570\u540d=\"xxx\"\u4e3a\u6784\u9020\u51fd\u6570\u8d4b\u5b57\u9762\u91cf \u5047\u5982\u53ea\u6709\u4e00\u4e2a\u53c2\u6570\u53ef\u4ee5\u76f4\u63a5_\u5360\u4f4d,\u548cref\u4e00\u6837--&gt;\n      &lt;!--c\u662f\u547d\u540d\u7a7a\u95f4\n      cd\u662f\u6307\u6784\u9020\u5668\u53c2\u6570\u540d,\u4e5f\u53ef\u4ee5\u7528\u4f4d\u7f6e\u4ee3\u66ff\u6bd4\u59820,\u6216\u8005\u6839\u672c\u7528_\u8868\u793a\n      -ref\u662f\u6ce8\u5165bean\u5f15\u7528--&gt;\n      &lt;bean id=\"cdPlayer\" class=\"soundsystem.CDPlayer\" c:cd-ref=\"compactDisc\"\n      c:_\u53c2\u6570\u540d=\"xxx\"\/&gt;\n&lt;\/beans&gt;\n\n&lt;beans \/&gt;\u662f\u6839\u5143\u7d20\n\u7f51\u5740\u662fxsd\u6587\u4ef6\uff0c\u5176\u4e2d\u5305\u62ec\u4e86beans\u7684XML\u5143\u7d20\n<\/code><\/pre>\n<h4>Setter\u6ce8\u5165<\/h4>\n<pre data-language=XML><code class=\"language-markup line-numbers\">&lt;!--XML\u7684Setter\u6ce8\u5165\u65b9\u6cd5,\u4e3aname\u4e3axxx\u7684\u5c5e\u6027\u6ce8\u5165\u7c7b\u4e3axxx\u7684\u5bf9\u8c61--&gt;\n&lt;bean id=\"xxxx\" class=\"xxx\"&gt;\n    &lt;property name=\"xxx\" ref=\"xxx\"&gt;\n    &lt;!--\u540c\u6837\u4e5f\u53ef\u4ee5\u88c5\u586b\u5217\u8868\u7b49\u5bb9\u5668--&gt;\n    &lt;property name=\"xxx\"&gt;\n        &lt;list&gt;\n          &lt;value&gt;xxx&lt;\/value&gt;\n          &lt;value&gt;xxx&lt;\/value&gt;\n        &lt;\/list&gt;\n    &lt;\/property&gt;\n&lt;\/bean&gt;\n\n&lt;!--\u6216\u8005\u7528p\u547d\u540d\u7a7a\u95f4\u4e5f\u53ef\u4ee5\u505a\u5230\u540c\u6837\u6548\u679c--&gt;\n&lt;bean id=\"xxxx\"\n    class=\"xxx\"\n    p:xxx-ref=\"xxx\"\n\/&gt;\n&lt;!--p\u7a7a\u95f4\u4e5f\u53ef\u4ee5\u88c5\u586b\u5b57\u9762\u91cf\uff0c\u4f46\u4e5f\u4e0d\u80fd\u6279\u91cf\u88c5\u586b,\u4f46\u53ef\u4ee5\u5f15\u5165Spring util--&gt;\n&lt;!--\u5f15\u5165util\u7684xsd\u540e,\u53ef\u4ee5\u7528&lt;util:list&gt;&gt;\n<\/code><\/pre>\n<p>Spring Tool Suite\u53ef\u4ee5\u5feb\u6377\u65b9\u4fbf\u521b\u5efaSpring XML,\u7528\u6765\u88c5\u914dbean\u6700\u57fa\u672c\u7684XML\u5143\u7d20\u5305\u542b\u5728spring-beans\u6a21\u5f0f\u4e4b\u4e2d\u3002<\/p>\n<h4>\u5728Java\u914d\u7f6e\u4e2d\u5f15\u7528\u5176\u4ed6<\/h4>\n<pre><code class=\"language-java line-numbers\">\/\/\u5f15\u5165Java\u914d\u7f6e\u4e2d\u7684Bean\n\u4f7f\u7528@Import\n\u6ce8\u89e3\u5f15\u5165\u5176\u4ed6\u914d\u7f6e\u7c7b\u8fdb\u884c\u4f9d\u8d56\u6ce8\u5165\n@Import(xxxxConfig.class)\n\n\/\/\u5f15\u5165XML\u7684Bean\n@ImportResource(xxx.xml)\n<\/code><\/pre>\n<h4>\u5728XML\u914d\u7f6e\u4e2d\u5f15\u7528\u5176\u4ed6<\/h4>\n<pre data-language=XML><code class=\"language-markup line-numbers\">&lt;!--\u5c06Java\u914d\u7f6e\u7c7b\u4f5c\u4e3a\u4e00\u4e2abean\u5f15\u5165--&gt;\n&lt;bean class=\"xxxConfig\" \/&gt;\n&lt;!--\u5f15\u5165\u5176\u4ed6XML--&gt;\n&lt;import resource=\"xxx.xml\"&gt;\n<\/code><\/pre>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u300aSpring In Action\u300b\u4e2d\u8f83\u4e3a\u63a8\u8350\u81ea\u52a8\u914d\u7f6e > Java > XML\uff0c\u5728\u5b9e\u9645\u4e2d\u90fd\u91c7\u7528\u4e09\u8005\u6df7\u5408\uff0c\u51cf\u5c11\u663e\u793a\u914d\u7f6e\u4e5f\u53ef\u4ee5\u964d\u4f4e\u4ee3\u7801\u590d\u6742\u5ea6<\/p>\n<blockquote><p>\n  \u300aSpring In Action\u300b\u7b2c\u4e8c\u7ae0\n<\/p><\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>\u4f9d\u8d56\u6ce8\u5165\u7684\u7c7b\u578b \u6784\u9020\u5668\u6ce8\u5165(constructor injection)\u4f20\u5165\u7ee7\u627f\u540c\u4e00\u63a5\u53e3\u7684\u4e0d\u540c\u7c7b Setter&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[2,6],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.kaispace.cn\/index.php?rest_route=\/wp\/v2\/posts\/432"}],"collection":[{"href":"https:\/\/blog.kaispace.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.kaispace.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.kaispace.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.kaispace.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=432"}],"version-history":[{"count":0,"href":"https:\/\/blog.kaispace.cn\/index.php?rest_route=\/wp\/v2\/posts\/432\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.kaispace.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=432"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.kaispace.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=432"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.kaispace.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=432"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}