{"id":39642,"date":"2022-11-15T23:14:12","date_gmt":"2022-12-26T23:04:06","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%92%88%e5%af%b9%e5%88%9d%e5%ad%a6%e8%80%85%e7%9a%84spring%e6%a1%86%e6%9e%b6%e5%92%8cspring-boot\/"},"modified":"2024-04-29T00:50:44","modified_gmt":"2024-04-28T16:50:44","slug":"%e9%92%88%e5%af%b9%e5%88%9d%e5%ad%a6%e8%80%85%e7%9a%84spring%e6%a1%86%e6%9e%b6%e5%92%8cspring-boot","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e9%92%88%e5%af%b9%e5%88%9d%e5%ad%a6%e8%80%85%e7%9a%84spring%e6%a1%86%e6%9e%b6%e5%92%8cspring-boot\/","title":{"rendered":"\u9488\u5bf9\u521d\u5b66\u8005\u7684Spring\u6846\u67b6\u548cSpring Boot"},"content":{"rendered":"<h2>\u9996\u5148<\/h2>\n<p>Spring\u662f\u4e00\u4e2a\u65e8\u5728\u7b80\u5316Java\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u7684\u9879\u76ee\u751f\u6001\u7cfb\u7edf\u3002&#8221;Spring&#8221;\u4e00\u8bcd\u6307\u7684\u662fSpring Framework\uff0c\u5e76\u4e14\u4e5f\u662f\u4f7f\u7528Spring\u57fa\u7840\u6280\u672f\uff08\u5982Spring Boot\uff09\u7684\u6240\u6709\u9879\u76ee\u7684\u7edf\u79f0\u3002\u672c\u6587\u5c06\u4ecb\u7ecdSpring Framework\u548cSpring Boot\u3002<\/p>\n<h2>Spring\u6846\u67b6\u548cSpring Boot<\/h2>\n<h3>\u6625\u5b63\u6846\u67b6<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">2004\u5e74\u306b\u6b63\u5f0f\u30ea\u30ea\u30fc\u30b9\u3002Java\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u7528\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Inversion of Cotnrol\u304c\u4e2d\u5fc3\u7684\u306a\u6a5f\u80fd\u3002 (\u3044\u308f\u3086\u308bDI\u30b3\u30f3\u30c6\u30ca)<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">2018\u5e749\u6708 Spring Framework 5.1\u304b\u3089 Kotlin 1.1\u30b5\u30dd\u30fc\u30c8<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9<\/ul>\n<h3>\u6625\u5b63\u542f\u52a8\u5668<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">2014\u5e74\u306b1.0\u304c\u30ea\u30ea\u30fc\u30b9<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30b9\u30bf\u30f3\u30c9\u30a2\u30ed\u30f3\u306eSpring\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u4f5c\u6210\u3067\u304d\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">AutoConfiguration\u306b\u3088\u308a\u81ea\u52d5\u7684\u306a\u8a2d\u5b9a\u3092\u3057\u3066\u304f\u308c\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Spring Initializer\u306fSpring Boot\u3092\u524d\u63d0\u306b\u3057\u3066\u3044\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9<\/ul>\n<h3>Spring Framework\u548cSpring Boot\u7684\u4e0d\u540c<\/h3>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Spring Framework\u306f\u3001Java\u8a00\u8a9e\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u306e\u305f\u3081\u306b\u4f5c\u3089\u308c\u305f\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u96c6\u5408\u4f53\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Spring boot\u306f\u3001\u96c6\u5408\u4f53\u3068\u306a\u3063\u305f\u6a5f\u80fd\u3092\u4f7f\u3044\u3084\u3059\u304f\u3059\u308b\u305f\u3081\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3002<\/ul>\n<p>\u6211\u4eec\u5df2\u7ecf\u4ecb\u7ecd\u4e86Spring Framework\u548cSpring Boot\u7684\u6982\u8981\u3002\u73b0\u5728\u6211\u4eec\u5c06\u901a\u8fc7\u5b9e\u9645\u7684\u4ee3\u7801\u793a\u4f8b\u8fdb\u884c\u89e3\u91ca\u3002<\/p>\n<h2>\u4f7f\u7528SpringBoot\u521b\u5efa\u5e94\u7528\u7a0b\u5e8f\u3002<\/h2>\n<h3>\u76f4\u5230REST API\u8fd0\u884c<\/h3>\n<p>\u672c\u6b21\u6211\u4eec\u5c06\u4f7f\u7528Spring Initializr\u521b\u5efa\u9879\u76ee\u3002Spring Initializr\u662f\u4e00\u4e2a\u53ef\u4ee5\u5728GUI\u754c\u9762\u4e0a\u8f7b\u677e\u521b\u5efaSpring Boot\u9879\u76ee\u7684\u5de5\u5177\u3002\u672c\u6b21\u6211\u4eec\u5c06\u4f7f\u7528\u4ee5\u4e0b\u8bbe\u7f6e\u521b\u5efa\u9879\u76ee\u3002\u53e6\u5916\u4e3a\u4e86\u4ee3\u7801\u7b80\u5316\uff0c\u6211\u4eec\u5c06\u4f7f\u7528Kotlin\u8fdb\u884c\u8bf4\u660e\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Gradle(Groovy)<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Kotlin<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Spring Boot V3.1.2<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">JDK17<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Dependencies<\/ul>\n<\/li>\n<\/ul>\n<p>Spring Web<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d3bb937434c4406c8220d\/14-0.png\" alt=\"Untitled.png\" \/><\/div>\n<p>\u8ba9\u6211\u4eec\u7528\u7f16\u8f91\u5668\u6216\u96c6\u6210\u5f00\u53d1\u73af\u5883\uff08IDE\uff09\u6253\u5f00\u65e9\u5148\u521b\u5efa\u7684\u9879\u76ee\u3002<\/p>\n<p>\u67e5\u770bbuild.gradle\u6587\u4ef6\u540e\uff0c\u53ef\u4ee5\u53d1\u73b0\u9879\u76ee\u7684\u4f9d\u8d56\u5173\u7cfb\u5982\u4e0b\u6240\u793a\uff0c\u4e0e\u901a\u8fc7Spring Initializr\u8bbe\u7f6e\u7684\u4f9d\u8d56\u5173\u7cfb\u4e2d\u5305\u542b\u4e86spring-boot-starter-web\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">dependencies<\/span> <span class=\"o\">{<\/span>\r\n\t<span class=\"n\">implementation<\/span> <span class=\"s1\">'org.springframework.boot:spring-boot-starter-web'<\/span>\r\n\t<span class=\"n\">implementation<\/span> <span class=\"s1\">'com.fasterxml.jackson.module:jackson-module-kotlin'<\/span>\r\n\t<span class=\"n\">implementation<\/span> <span class=\"s1\">'org.jetbrains.kotlin:kotlin-reflect'<\/span>\r\n\t<span class=\"n\">testImplementation<\/span> <span class=\"s1\">'org.springframework.boot:spring-boot-starter-test'<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\u662f application \u7c7b\u3002\u8fd9\u4e2a\u7c7b\u4f1a\u81ea\u52a8\u521b\u5efa\u3002<br \/>\n\u8fd9\u4e2a\u7c7b\u662f\u4e00\u4e2a\u5305\u542b main \u65b9\u6cd5\u7684\u7c7b\uff0c\u5728 SpringBoot \u542f\u52a8\u65f6\u4f1a\u88ab\u6267\u884c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">package<\/span> <span class=\"nn\">com.example.demo<\/span>\r\n\r\n<span class=\"nd\">@SpringBootApplication<\/span>\r\n<span class=\"kd\">class<\/span> <span class=\"nc\">DemoApplication<\/span>\r\n\r\n<span class=\"k\">fun<\/span> <span class=\"nf\">main<\/span><span class=\"p\">(<\/span><span class=\"n\">args<\/span><span class=\"p\">:<\/span> <span class=\"nc\">Array<\/span><span class=\"p\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"p\">&gt;)<\/span> <span class=\"p\">{<\/span>\r\n\t<span class=\"n\">runApplication<\/span><span class=\"p\">&lt;<\/span><span class=\"nc\">DemoApplication<\/span><span class=\"p\">&gt;(*<\/span><span class=\"n\">args<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u521b\u5efa\u63a7\u5236\u5668\u7c7b\u6765\u6267\u884cweb\u5e94\u7528\u7a0b\u5e8f\u3002<br \/>\n\u63a7\u5236\u5668\u7c7b\u662f\u7528\u4e8e\u5904\u7406\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u548c\u54cd\u5e94\u7684\u7c7b\u3002\u5728\u4ee5\u4e0b\u8bbe\u7f6e\u4e2d\uff0c\u6211\u4eec\u5c06\u8bbf\u95ee\/hello\u65f6\u8fd4\u56de&#8221;hello&#8221;\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">package<\/span> <span class=\"nn\">com.example.demo.controller<\/span>\r\n\r\n<span class=\"nd\">@RestController<\/span>\r\n<span class=\"kd\">class<\/span> <span class=\"nc\">HelloController<\/span> <span class=\"p\">{<\/span>\r\n\r\n  <span class=\"nd\">@GetMapping<\/span><span class=\"p\">(<\/span><span class=\"s\">\"\/hello\"<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"k\">fun<\/span> <span class=\"nf\">hello<\/span><span class=\"p\">():<\/span> <span class=\"nc\">String<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"s\">\"hello\"<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u73b0\u5728\u51c6\u5907\u5de5\u4f5c\u5df2\u7ecf\u5b8c\u6210\u4e86\u3002\u73b0\u5728\u5c31\u7acb\u523b\u542f\u52a8\u5e94\u7528\u7a0b\u5e8f\u5e76\u53d1\u9001\u8bf7\u6c42\u5427\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\">## \u8d77\u52d5<\/span>\r\n.\/gradlew bootRun\r\n\r\n<span class=\"c\">## \u30ea\u30af\u30a8\u30b9\u30c8\u3092\u9001\u308b<\/span>\r\n<span class=\"nv\">$ <\/span>curl localhost:8080\/hello\r\nhello\r\n<\/code><\/pre>\n<p>\u5c31\u50cf\u5728\u63a7\u5236\u5668\u4e2d\u6240\u5199\u7684\u90a3\u6837\uff0c\u5c06\u8fd4\u56de\u201chello\u201d\u3002<\/p>\n<h2>\u4e3a\u4ec0\u4e48\u4f1a\u52a8\uff1f<\/h2>\n<p>\u6211\u5b9e\u9645\u4e0a\u542f\u52a8\u4e86\u5e94\u7528\u5e76\u53d1\u9001\u4e86\u8bf7\u6c42\uff0c\u4f46\u662f\u53ea\u662f\u7f16\u5199\u4e86\u63a7\u5236\u5668\u7c7b\uff0c\u4e3a\u4ec0\u4e48\u4f1a\u8fd4\u56de\u54cd\u5e94\u5462\uff1f<br \/>\n\u8fd9\u662f\u56e0\u4e3a\u5e94\u7528\u7c7b\u4e2d\u7684@SpringBootApplication\u6709\u4e00\u4e2a\u79d8\u5bc6\u3002<\/p>\n<p>1. @SpringBootApplication\u662f\u4e00\u4e2a\u7531\u591a\u4e2a\u6ce8\u89e3\u7ec4\u6210\u7684\u590d\u5408\u4f53\uff0c\u5176\u4e2d\u5305\u542b@EnableAutoConfiguration\u548c@ComponentScan\u7b49\u6ce8\u89e3\u3002\u5373\u4f7f\u4f7f\u7528\u76f8\u540c\u7684\u6ce8\u89e3\u4e5f\u53ef\u4ee5\u8fdb\u884c\u66ff\u4ee3\u4f7f\u7528\u3002\u8be6\u7ec6\u4fe1\u606f\u53ef\u53c2\u8003\u53c2\u8003\u6587\u732e\u3002<\/p>\n<blockquote><p>\u7b2c\u4e8c\u4e2a\u7c7b\u7ea7\u522b\u7684\u6ce8\u89e3\u662f@SpringBootApplication\u3002\u8fd9\u4e2a\u6ce8\u89e3\u88ab\u79f0\u4e3a\u5143\u6ce8\u89e3\uff0c\u5b83\u7ed3\u5408\u4e86@SpringBootConfiguration\u3001@EnableAutoConfiguration\u548c@ComponentScan\u3002<\/p><\/blockquote>\n<p>\u6211\u4f1a\u7b80\u5355\u4ecb\u7ecd\u4e00\u4e0b\u3002<\/p>\n<p>@ComponentScan\u662fSpring Framework\u7684\u4e00\u4e2a\u6ce8\u89e3\uff0c\u7528\u4e8e\u626b\u63cf\u7ec4\u4ef6\u5e76\u5c06\u5176\u6ce8\u518c\u5230\u4f9d\u8d56\u6ce8\u5165\u5bb9\u5668\u4e2d\u3002\u56e0\u6b64\uff0c\u5728\u542f\u52a8\u65f6\uff0c\u5e26\u6709@RestController\u6ce8\u89e3\u7684HelloController\u5b9e\u4f8b\u5c06\u88ab\u6ce8\u518c\u5230\u4f9d\u8d56\u6ce8\u5165\u5bb9\u5668\u4e2d\uff0c\u7136\u540eAutoConfiguration\u5c06\u521b\u5efa\u63a7\u5236\u5668\u7c7b\u51fd\u6570\u548c\u8def\u5f84\u7684\u6620\u5c04\u3002\u5f53\u6709\u8bf7\u6c42\u65f6\uff0c\u5c06\u6839\u636e\u6620\u5c04\u548c\u8def\u5f84\u8fdb\u884c\u5339\u914d\uff0c\u5e76\u8c03\u7528\u51fd\u6570\u8fd4\u56de\u54cd\u5e94\u3002\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u89e3\u91ca\u3002<\/p>\n<h2>\u5904\u7406\u7684\u8be6\u7ec6\u4fe1\u606f<\/h2>\n<p>\u5173\u4e8e\u5904\u7406\u6d41\u7a0b\uff0c\u5982\u4e0a\u6240\u8ff0\uff0c\u73b0\u5728\u6211\u4eec\u5c06\u8be6\u7ec6\u89e3\u91ca\u6bcf\u4e2a\u5904\u7406\u7684\u5177\u4f53\u5185\u5bb9\u3002<\/p>\n<h3>\u7ec4\u4ef6\u626b\u63cf<\/h3>\n<p>@Component\u3001@Repository\u3001@Service\u3001@Controller\u3001@Configuration<\/p>\n<div>\n<div class=\"post-table\">\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u8aac\u660e<a class=\"user-mention js-hovercard\" title=\"Controller\" href=\"\/Controller\" data-hovercard-target-type=\"user\" data-hovercard-target-name=\"Controller\">@Controller<\/a>\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u304b\u3089\u306e\u30ea\u30af\u30a8\u30b9\u30c8\/\u30ec\u30b9\u30dd\u30f3\u30b9\u306b\u95a2\u308f\u308b\u51e6\u7406\u3092\u3059\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3042\u308b\u3053\u3068\u3092\u8868\u3059\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3002<a class=\"user-mention js-hovercard\" title=\"Service\" href=\"\/Service\" data-hovercard-target-type=\"user\" data-hovercard-target-name=\"Service\">@Service<\/a>\u30d3\u30b8\u30cd\u30b9\u30ed\u30b8\u30c3\u30af\u3092\u5b9f\u88c5\u3059\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u3042\u308b\u3053\u3068\u3092\u8868\u3059\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3002<a class=\"user-mention js-hovercard\" title=\"Repository\" href=\"\/Repository\" data-hovercard-target-type=\"user\" data-hovercard-target-name=\"Repository\">@Repository<\/a>\u30c7\u30fc\u30bf\u306e\u6c38\u7d9a\u5316\u306b\u95a2\u308f\u308b\u51e6\u7406\u3092\u63d0\u4f9b\u3059\u308b\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8<a class=\"user-mention js-hovercard\" title=\"Component\" href=\"\/Component\" data-hovercard-target-type=\"user\" data-hovercard-target-name=\"Component\">@Component<\/a>\u4e0a\u8a183\u3064\u306b\u5f53\u3066\u306f\u307e\u3089\u306a\u3044\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3002<a class=\"user-mention js-hovercard\" title=\"Configuration\" href=\"\/Configuration\" data-hovercard-target-type=\"user\" data-hovercard-target-name=\"Configuration\">@Configuration<\/a>Bean\u306e\u8a2d\u5b9a\u3092\u884c\u3046\u3082\u306e\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3059\u3002Bean\u8a2d\u5b9a\u30af\u30e9\u30b9\u306b\u306f\u5e38\u306b\u3053\u308c\u3092\u3064\u3051\u307e\u3059\u3002<a class=\"user-mention js-hovercard\" title=\"RestController\" href=\"\/RestController\" data-hovercard-target-type=\"user\" data-hovercard-target-name=\"RestController\">@RestController<\/a>JSON\u3084XML\u7b49\u3092\u8fd4\u3059WebAPI\u7528\u306e\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u306b\u4ed8\u4e0e\u3059\u308b\u3002<a class=\"user-mention js-hovercard\" title=\"ControllerAdvice\" href=\"\/ControllerAdvice\" data-hovercard-target-type=\"user\" data-hovercard-target-name=\"ControllerAdvice\">@ControllerAdvice<\/a>Controller\u3092\u6a2a\u65ad\u3057\u3066\u4f8b\u5916\u3092\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3059\u308b\u5834\u5408\u3001\u4f8b\u5916\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u7528\u306e\u30af\u30e9\u30b9\u306b\u3053\u306e\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u4ed8\u4e0e\u3059\u308b\u3002ExceptionHandler\u7cfb\u306e\u30af\u30e9\u30b9\u306b\u4f7f\u7528\u3059\u308b\u3002<\/div>\n<\/div>\n<p>\u56e0\u6b64\uff0c\u5728\u4e4b\u524d\u521b\u5efa\u7684\u9879\u76ee\u4e2d\uff0c\u5c06\u626b\u63cf\u5e26\u6709@RestController\u7684HelloController\u7c7b\u3002\u5b9e\u9645\u5904\u7406\u7531SpringFramework\u7684ConfigurationClassParser\u5b8c\u6210\uff0c\u5b83\u63d0\u53d6\u4e86\u5e26\u6709@ComponentScan\u6ce8\u91ca\u7684\u7c7b\u5305\u4e0b\u7684\u7ec4\u4ef6\u3002<br \/>\n\u7136\u540e\uff0c\u626b\u63cf\u548c\u6536\u96c6\u7684\u7c7b\u5c06\u901a\u8fc7DefaultListableBeanFactory\u521b\u5efa\u5b9e\u4f8b\uff0c\u5e76\u6ce8\u518c\u5230DI\u5bb9\u5668\u4e2d\u3002<\/p>\n<h3>\u81ea\u52a8\u914d\u7f6e<\/h3>\n<p>AutoConfiguration\u662fSpring\u63d0\u4f9b\u7684\u4e00\u79cd\u673a\u5236\uff0c\u5b83\u80fd\u591f\u81ea\u52a8\u4e3a\u5404\u79cd\u9879\u76ee\u7684\u8bbe\u7f6e\u4ee5\u53ca\u7b2c\u4e09\u65b9\u5e93\u7684\u5fc5\u8981\u8bbe\u7f6e\u5728Spring Framework\u4e2d\u8fdb\u884c\u81ea\u52a8Bean\u5b9a\u4e49\uff0c\u4ee5\u4fbfSpring Boot\u80fd\u591f\u4f7f\u7528\u3002<br \/>\nBean\u6307\u7684\u662f\u8981\u6ce8\u518c\u5230DI\u5bb9\u5668\u4e2d\u7684\u7ec4\u4ef6\u3002\uff08\u8fd9\u91cc\u7684Bean\u6307\u7684\u662fSpring\u7684Bean\uff0c\u4e0eJava Beans\u65e0\u5173\u3002\uff09<\/p>\n<p>\u5728\u5904\u7406\u4e0a\uff0c\u9996\u5148\u770b\u4e00\u4e0b@EnableAutoConfiguration\u7684\u5b9e\u73b0\uff0c\u53ef\u4ee5\u770b\u5230\u5b83\u5e26\u6709@Import\u6ce8\u89e3\uff0c\u5bfc\u5165\u4e86\u53e6\u4e00\u4e2aConfiguration\u7c7b\uff0c\u5728\u8fd9\u91cc\u6307\u5b9a\u7684\u662fAutoConfigurationImportSelector\u3002AutoConfigurationImportSelector\u4f1a\u83b7\u53d6\u6bcf\u4e2a\u5728META-INF\/spring.factories\u4e2d\u6307\u5b9a\u7684\u5e93\u6240\u9700\u7684\u914d\u7f6e\u3002\u8fd9\u4e9bConfiguration\u7c7b\u4e0a\u4e5f\u4f1a\u5e26\u6709\u524d\u8ff0\u7684@Configuration\u6ce8\u89e3\uff0c\u5e76\u88ab\u5b9a\u4e49\u4e3aBean\u3002<\/p>\n<h3>\u6620\u5c04<\/h3>\n<p>\u4e3a\u4ec0\u4e48\u53ea\u9700\u5728DI\u5bb9\u5668\u4e2d\u6ce8\u518cHelloContoroller\u7c7b\uff0c\u5c31\u80fd\u591f\u5728\u6536\u5230\u5bf9\/hello\u7684\u8bf7\u6c42\u65f6\u8fd4\u56de\u54cd\u5e94\uff0c\u4e0b\u9762\u6211\u5c06\u8fdb\u884c\u89e3\u91ca\u3002<br \/>\n\u5728Spring\u6846\u67b6\u4e2d\uff0c\u4e0d\u4f1a\u81ea\u52a8\u8fdb\u884c\u6620\u5c04\uff0c\u800c\u662f\u7531Spring Boot\u81ea\u52a8\u4e3a\u6211\u4eec\u8fdb\u884c\u914d\u7f6e\u3002\u67e5\u770bweb\u6a21\u5757\u7684\u81ea\u52a8\u914d\u7f6e\u65f6\uff0c\u53ef\u4ee5\u770b\u5230WebMvcAutoConfiguration\u4e2d\u6709\u4e00\u4e2a\u540d\u4e3acreateRequestMappingHandlerMapping\u7684\u65b9\u6cd5\u3002\u901a\u8fc7\u8bbe\u7f6e\u65ad\u70b9\u5e76\u8ddf\u8e2a\u4ee3\u7801\u6267\u884c\uff0c\u6700\u7ec8\u53ef\u4ee5\u770b\u5230MethodIntrospector\u5728\u521b\u5efa\u8def\u5f84\u548c\u51fd\u6570\u7684\u6620\u5c04\u5173\u7cfb\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d3bb937434c4406c8220d\/42-0.png\" alt=\"Untitled 1.png\" \/><\/div>\n<p>\u6211\u5b9e\u9645\u8c03\u8bd5\u5e76\u8fdb\u884c\u4e86\u786e\u8ba4\u3002\u5728 methodMap \u4e2d\u6211\u53d1\u73b0\u4e86 com.example.demo.controller.HelloController.hello():{GET[]\/hello}\uff0c\u8fd9\u610f\u5473\u7740\u5f53\u6709\u6765\u81ea hello \u7684 GET \u8bf7\u6c42\u65f6\uff0c\u6211\u53ef\u4ee5\u901a\u8fc7\u5339\u914d\u8be5\u6620\u5c04\u7684\u8def\u5f84\u6765\u6267\u884c hello() \u65b9\u6cd5\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u9605\u8bfb\u5230\u6587\u7ae0\u8fd9\u91cc\u7684\u4eba\u4eec<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Spring Framework\u306f\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u30b9\u30ad\u30e3\u30f3\u3067\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u4f5c\u6210\u3057\u305f\u308a\u3001DI\u30b3\u30f3\u30c6\u30ca\u3078Bean\u306e\u767b\u9332\u3092\u3057\u3066\u3044\u308b\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Spring 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