{"id":10961,"date":"2023-05-04T14:02:03","date_gmt":"2023-05-04T06:02:03","guid":{"rendered":"http:\/\/123.57.164.21\/?p=10961"},"modified":"2023-05-04T14:02:03","modified_gmt":"2023-05-04T06:02:03","slug":"springboot-%e5%90%af%e5%8a%a8%e7%b1%bb%e6%b3%a8%e8%a7%a3-springbootapplication-%e5%92%8c-componentscan-%e7%9a%84%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=10961","title":{"rendered":"springboot \u542f\u52a8\u7c7b\u6ce8\u89e3 @SpringBootApplication \u548c @ComponentScan \u7684\u95ee\u9898"},"content":{"rendered":"\n<p><strong>\u80cc\u666f<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u542f\u52a8\u7c7b\u6ce8\u89e3 @SpringBootApplication \u5176\u5b9e\u5c31\u5305\u542b\u4e86 @ComponentScan \u6ce8\u89e3\uff0c<\/p>\n\n\n\n<p>\u6240\u4ee5\u8fd9\u4e24\u8005\u4e0d\u80fd\u540c\u65f6\u7528\uff0c\u5982\u679c\u540c\u65f6\u7528\u4e86\uff0c@SpringBootApplication \u6ce8\u89e3\u81ea\u5e26\u7684 @ComponentScan \u6ce8\u89e3\u5c31\u4e0d\u751f\u6548\u4e86\u3002<\/p>\n\n\n\n<p>\u8fd9\u6837\u4f1a\u5bfc\u81f4\u542f\u52a8\u7c7b\u6240\u5728\u7684\u5305\uff0c\u9664\u4e86\u88ab\u81ea\u5df1\u52a0\u7684\u8fd9\u4e2a @ComponentScan \u5173\u8054\u7684\u4f1a\u6620\u5c04\u5230\uff0c\u539f\u672c\u7684\u53cd\u800c\u90fd\u6620\u5c04\u4e0d\u5230\u4e86\uff0c<\/p>\n\n\n\n<p>@SpringBootApplication\u6ce8\u89e3\u5305\u542b\u4e86\u4ee5\u4e0b\u4e09\u4e2a\u6ce8\u89e3<\/p>\n\n\n\n<ul><li>@SpringBootConfiguration<\/li><li>@EnableAutoConfiguration<\/li><li>@ComponentScan<\/li><\/ul>\n\n\n\n<p>\u8fd9\u91cc\u7684ComponentScan\u9ed8\u8ba4\u626b\u63cf\u7684\u662f\u542f\u52a8\u7c7b\u7684\u6240\u5728\u7684\u5305\u53ca\u5176\u5b50\u5305\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/05\/image-9-1024x594.png\" alt=\"\" class=\"wp-image-10962\" width=\"460\" height=\"267\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-9-1024x594.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-9-300x174.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-9-768x445.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-9-830x481.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-9-230x133.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-9-350x203.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-9-480x278.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-9.png 1128w\" sizes=\"(max-width: 460px) 100vw, 460px\" \/><\/figure><\/div>\n\n\n\n<p>\u5982\u679c\u6211\u4eec\u8981\u5728\u542f\u52a8\u7c7b\u4e0a\u6dfb\u52a0\u81ea\u5b9a\u4e49\u7684\u626b\u63cf\u5305\u8def\u5f84\u7684\u6ce8\u89e3, \u5c31\u4f1a\u8986\u76d6@SpringBootApplicaton\u6ce8\u89e3\u4e2d\u7684@ComponentScan\u6ce8\u89e3\u3002<\/p>\n\n\n\n<p><strong>\u8be6\u89e3<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p><strong>SpringBoot\u9ed8\u8ba4\u5305\u626b\u63cf\u673a\u5236<\/strong><\/p>\n\n\n\n<p>\u6807\u6ce8\u4e86@Component\u548c@Component\u7684\u884d\u751f\u6ce8\u89e3\u5982@Controller,@Service,@Repository\u5c31\u53ef\u4ee5\u628a\u5f53\u524d\u7684Bean\u52a0\u5165\u5230IOC\u5bb9\u5668\u4e2d\u3002\u90a3\u4e48SpringBoot\u662f\u5982\u4f55\u77e5\u9053\u8981\u53bb\u626b\u63cf@Component\u6ce8\u89e3\u7684\u5462\u3002@ComponentScan\u505a\u7684\u4e8b\u60c5\u5c31\u662f\u544a\u8bc9Spring\u4ece\u54ea\u91cc\u627e\u5230bean<\/p>\n\n\n\n<p>SpringBoot\u9ed8\u8ba4\u5305\u626b\u63cf\u673a\u5236\uff1a \u4ece\u542f\u52a8\u7c7b\u6240\u5728\u5305\u5f00\u59cb\uff0c\u626b\u63cf\u5f53\u524d\u5305\u53ca\u5176\u5b50\u7ea7\u5305\u4e0b\u7684\u6240\u6709\u6587\u4ef6\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u7684\u6d4b\u8bd5\u6765\u9a8c\u8bc1\u4e00\u4e0b\u3002<\/p>\n\n\n\n<p>\u542f\u52a8\u5e94\u7528\u5e76\u8bbf\u95eeBannerController\u8fd9\u4e2a\u63a7\u5236\u5668\uff0c\u76ee\u5f55\u7ed3\u6784\u5982\u56fe<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/05\/image-10-1024x543.png\" alt=\"\" class=\"wp-image-10963\" width=\"447\" height=\"236\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-10-1024x543.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-10-300x159.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-10-768x407.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-10-830x440.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-10-230x122.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-10-350x186.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-10-480x255.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-10.png 1474w\" sizes=\"(max-width: 447px) 100vw, 447px\" \/><\/figure><\/div>\n\n\n\n<p><br>\u8bbf\u95ee\u7ed3\u679c\u6b63\u5e38<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/05\/image-11.png\" alt=\"\" class=\"wp-image-10964\" width=\"477\" height=\"104\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-11.png 902w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-11-300x66.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-11-768x169.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-11-830x182.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-11-230x50.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-11-350x77.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-11-480x105.png 480w\" sizes=\"(max-width: 477px) 100vw, 477px\" \/><\/figure><\/div>\n\n\n\n<p>\u5f53\u628aBannerController\u79fb\u52a8\u5230\u4e0a\u4e00\u7ea7\u76ee\u5f55\uff0c\u5e94\u7528\u53ef\u4ee5\u6b63\u5e38\u542f\u52a8<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/05\/image-13-1024x736.png\" alt=\"\" class=\"wp-image-10966\" width=\"457\" height=\"328\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-13-1024x736.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-13-300x216.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-13-768x552.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-13-830x597.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-13-230x165.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-13-350x252.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-13-480x345.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-13.png 1344w\" sizes=\"(max-width: 457px) 100vw, 457px\" \/><\/figure><\/div>\n\n\n\n<p>\u4f46\u662f\u518d\u6b21\u8bbf\u95ee\u521a\u624d\u7684\u8def\u5f84\u65f6\u5374\u51fa\u73b0\u4e86\u5982\u4e0b\u9519\u8bef\uff0c\u4ee3\u7801\u662f\u6ca1\u6709\u53d8\u52a8\u7684\uff0c\u662fController\u626b\u63cf \u4e0d\u5230\u4e86\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/05\/image-12-1024x360.png\" alt=\"\" class=\"wp-image-10965\" width=\"447\" height=\"156\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-12-1024x360.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-12-300x106.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-12-768x270.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-12-830x292.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-12-230x81.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-12-350x123.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-12-480x169.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-12.png 1086w\" sizes=\"(max-width: 447px) 100vw, 447px\" \/><\/figure><\/div>\n\n\n\n<p>\u5b9e\u9645\u4e0aSpringBoot\u662f\u901a\u8fc7@ComponentScan\u8fdb\u884c\u626b\u63cf\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5165\u53e3\u7c7b\u4e0a\u9762\u7684@SpringBootApplication\u91cc\u9762\u6709\u4e00\u4e2a@ComponentScan,\u4e5f\u5c31\u76f8\u5f53\u4e8e@ComponentScan\u6807\u6ce8\u5728\u5165\u53e3\u7c7b\u4e0a\u3002<\/p>\n\n\n\n<p>\u6240\u4ee5\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u626b\u63cf\u5165\u53e3\u7c7b\u540c\u7ea7\u53ca\u5176\u5b50\u7ea7\u5305\u4e0b\u7684\u6240\u6709\u6587\u4ef6\u3002\u5f53\u6211\u4eec\u60f3\u81ea\u5df1\u5236\u5b9a\u5305\u626b\u63cf\u8def\u5f84\u5c31\u9700\u8981\u52a0\u4e00\u4e2a@ComponentScan<\/p>\n\n\n\n<p><strong>@ComponentScan\u7684\u4f7f\u7528<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p><br>\u5e38\u7528\u53c2\u6570\u542b\u4e49<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">basePackages\u4e0evalue: \u7528\u4e8e\u6307\u5b9a\u5305\u7684\u8def\u5f84\uff0c\u8fdb\u884c\u626b\u63cf(\u9ed8\u8ba4\u53c2\u6570)\nbasePackageClasses: \u7528\u4e8e\u6307\u5b9a\u67d0\u4e2a\u7c7b\u7684\u5305\u7684\u8def\u5f84\u8fdb\u884c\u626b\u63cf\nincludeFilters: \u5305\u542b\u7684\u8fc7\u6ee4\u6761\u4ef6\nFilterType.ANNOTATION\uff1a\u6309\u7167\u6ce8\u89e3\u8fc7\u6ee4\nFilterType.ASSIGNABLE_TYPE\uff1a\u6309\u7167\u7ed9\u5b9a\u7684\u7c7b\u578b\nFilterType.ASPECTJ\uff1a\u4f7f\u7528ASPECTJ\u8868\u8fbe\u5f0f\nFilterType.REGEX\uff1a\u6b63\u5219\nFilterType.CUSTOM\uff1a\u81ea\u5b9a\u4e49\u89c4\u5219\nexcludeFilters: \u6392\u9664\u7684\u8fc7\u6ee4\u6761\u4ef6\uff0c\u7528\u6cd5\u548cincludeFilters\u4e00\u6837\nnameGenerator: bean\u7684\u540d\u79f0\u7684\u751f\u6210\u5668\nuseDefaultFilters: \u662f\u5426\u5f00\u542f\u5bf9@Component\uff0c@Repository\uff0c@Service\uff0c@Controller\u7684\u7c7b\u8fdb\u884c\u68c0\u6d4b<\/pre>\n\n\n\n<p><strong>\u6307\u5b9a\u8981\u626b\u63cf\u7684\u5305<\/strong><\/p>\n\n\n\n<p>\u4e0a\u8ff0\u4f8b\u5b50\uff0c\u5982\u679c\u60f3\u626b\u63cf\u542f\u52a8\u7c7b\u4e0a\u4e00\u7ea7\u5305\uff0c\u4f7f\u7528@ComponentScan\u6307\u5b9a\u5305\u626b\u63cf\u8def\u5f84,\u5373\u53ef\u5c06BannerController\u52a0\u5165\u5230\u5bb9\u5668<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@SpringBootApplication\n@ComponentScan(\"com.lin\")\npublic class MissyouApplication {\n    public static void main(String[] args) {\n        SpringApplication.run(MissyouApplication.class, args);\n    }\n}\n<\/pre>\n\n\n\n<p><strong>excludeFilters \u6392\u9664\u67d0\u4e9b\u5305\u7684\u626b\u63cf<\/strong><\/p>\n\n\n\n<p>\u6d4b\u8bd5\u7c7b\u51c6\u5907\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Controller\npublic class BannerController {\n    BannerController(){\n        System.out.println(\"Hello BannerController\");\n    }\n}\n--------------------------------------------------------------------\n@Service\npublic class TestService {\n    TestService(){\n        System.out.println(\"Hello TestService\");\n    }\n}<\/pre>\n\n\n\n<p>\u76ee\u5f55\u7ed3\u6784\u5982\u4e0b\uff1a<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/05\/image-14.png\" alt=\"\" class=\"wp-image-10967\" width=\"266\" height=\"138\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-14.png 536w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-14-300x156.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-14-230x119.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-14-350x182.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-14-480x249.png 480w\" sizes=\"(max-width: 266px) 100vw, 266px\" \/><\/figure><\/div>\n\n\n\n<p>\u542f\u52a8\u7c7b\u4e0a\u52a0@ComponentScan\u6307\u5b9a\u626b\u63cflin\u8fd9\u4e2a\u5305\u5e76\u6392\u9664@Controller\u8fd9\u4e2a\u6ce8\u89e3\u6807\u6ce8\u7684\u7c7b<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@SpringBootApplication\n@ComponentScan(value = \"com.lin\",\n        excludeFilters = {@ComponentScan.Filter(type = FilterType.ANNOTATION,value = {Controller.class})})\npublic class MissyouApplication {\n    public static void main(String[] args) {\n        SpringApplication.run(MissyouApplication.class, args);\n    }\n}\n\n<\/pre>\n\n\n\n<p>\u542f\u52a8\u5e94\u7528\uff0c\u63a7\u5236\u53f0\u6253\u5370\u51fa\u4e86TestService\u800c\u6ca1\u6709BannerController<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2023\/05\/image-15.png\" alt=\"\" class=\"wp-image-10968\" width=\"376\" height=\"123\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-15.png 910w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-15-300x99.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-15-768x253.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2023\/05\/image-15-830x274.png 830w, 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