{"id":40183,"date":"2023-09-15T12:27:02","date_gmt":"2023-08-07T16:28:58","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90java%e3%80%91%e4%bb%8e%e5%9f%ba%e7%a1%80%e5%88%b0hello-world%e7%9a%84spring-boot%e5%85%a5%e9%97%a8\/"},"modified":"2024-05-03T23:53:08","modified_gmt":"2024-05-03T15:53:08","slug":"%e3%80%90java%e3%80%91%e4%bb%8e%e5%9f%ba%e7%a1%80%e5%88%b0hello-world%e7%9a%84spring-boot%e5%85%a5%e9%97%a8","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90java%e3%80%91%e4%bb%8e%e5%9f%ba%e7%a1%80%e5%88%b0hello-world%e7%9a%84spring-boot%e5%85%a5%e9%97%a8\/","title":{"rendered":"\u3010Java\u3011\u4ece\u57fa\u7840\u5230Hello World\u7684Spring Boot\u5165\u95e8"},"content":{"rendered":"<h1>\u6625\u5929\u662f\u6307\u7684\u4ec0\u4e48?<\/h1>\n<p>Java\u5f00\u53d1\u4e2d\u7684\u6846\u67b6\uff08\u5373\u6548\u7387\u5de5\u5177\uff09<br \/>\n\u4f8b\u5982\uff1a\u7528\u4e8e\u8bbf\u95ee\u6570\u636e\u5e93\u7684\u7c7b\u7b49\u3002<\/p>\n<h3>\u6625\u5b63\u7684\u6574\u4f53\u56fe\u50cf<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d3f7237434c4406c8ee37\/3-0.png\" alt=\"spring.png\" \/><\/div>\n<h2>SpringBoot\uff08\u2252 Spring\u6846\u67b6\uff09<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Spring\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u304c\u30d9\u30fc\u30b9(\u3082\u3068\u3082\u3068Java\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af)<\/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\">\u8907\u6570\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u96c6\u5408\u4f53\u3002\u30d3\u30b8\u30cd\u30b9\u7cfb\u306eApp\u4f5c\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u3082\u306e\u3092\u7db2\u7f85\u3057\u3066\u3044\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>Spring MVC<br \/>\nSpring JDBC<br \/>\nSpring Security<br \/>\nSpring Data (JPA)<\/p>\n<p>\u8907\u6570\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u4f7f\u7528\u3059\u308b\u969b\u306b\u8a2d\u5b9a\u3092XML\u3067\u30b4\u30ea\u30b4\u30ea\u66f8\u304b\u306a\u304f\u3066\u3082\u7c21\u5358\u306b\u8a2d\u5b9a\u3067\u304d\u308b\u306e\u304cSpring Boot<\/p>\n<h2>Spring\u4f9d\u8d56\u6ce8\u5165<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">DI \uff1aDependency Injection(\u4f9d\u5b58\u6027\u306e\u6ce8\u5165)<\/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 DI =DI\u30b3\u30f3\u30c6\u30ca\u306e\u3053\u3068<\/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\">\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u7ba1\u7406\u3092\u884c\u3046<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Spring\u30b3\u30a2\u90e8\u5206\u306e\u6a5f\u80fd\u3092\u62c5\u3046\u3002Soring MVC\u306a\u3069\u306f\u3053\u306e\u6a5f\u80fd\u306b\u6cbf\u3063\u3066\u3044\u308b\u3002<\/ul>\n<h4>\u4f9d\u8d56\u6ce8\u5165\u662f\u4e00\u79cd\u8bbe\u8ba1\u6a21\u5f0f\u3002<\/h4>\n<ul class=\"post-ul\">new\u3068\u3044\u3046\u6f14\u7b97\u5b50\u3067object\u751f\u6210\u3059\u308b\u65b9\u6cd5<\/ul>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/Date\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092today\u306b\u4ee3\u5165<\/span>\r\n<span class=\"kt\">var<\/span> <span class=\"n\">today<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Date<\/span><span class=\"o\">();<\/span>\r\n<span class=\"kt\">var<\/span> <span class=\"n\">day<\/span> <span class=\"o\">=<\/span> <span class=\"n\">today<\/span><span class=\"o\">.<\/span><span class=\"na\">getDate<\/span><span class=\"o\">();<\/span>\r\n<span class=\"n\">console<\/span><span class=\"o\">.<\/span><span class=\"na\">log<\/span><span class=\"o\">(<\/span><span class=\"s\">\"\u4eca\u65e5\u306f\"<\/span><span class=\"o\">+<\/span> <span class=\"n\">day<\/span> <span class=\"o\">+<\/span><span class=\"s\">\"\u65e5\u3067\u3059\"<\/span><span class=\"o\">);<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u3053\u308c\u306b\u5bfe\u3057\u3066DI\u3067\u306f\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5909\u6570\uff08\u6ce8\u5165\u5148\u306e\u5909\u6570\uff09\u306b@Autowired(\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3)\u3092\u4ed8\u4e0e<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">@Component\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u3064\u3044\u305f\u30af\u30e9\u30b9\u306e\u4e2d\u304b\u3089\u8a72\u5f53\u3059\u308b\u30af\u30e9\u30b9\u306b\u5bfe\u3057\u3066\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u751f\u6210\u3057\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3057\u3066\u304f\u308c\u308b(new\u3057\u3066\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3092\u7a81\u3063\u8fbc\u3093\u3067\u304f\u308c\u308b)<\/ul>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Controller<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">ProductController<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"nd\">@Autowired<\/span>\r\n    <span class=\"kd\">private<\/span> <span class=\"nc\">ProductService<\/span> <span class=\"n\">productService<\/span><span class=\"o\">;<\/span>\r\n   <span class=\"c1\">\/\/\u7565<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u826f\u3044\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30b3\u30fc\u30c9\u306e\u8003\u3048\u65b9\u306b\u6cbf\u3063\u3066\u3044\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>\u9ad8\u51dd\u96c6\u6027(High Cohesion)\uff1a\u8cac\u4efb\u7bc4\u56f2\u304c\u660e\u78ba<\/p>\n<p>\u758e\u7d50\u5408\u6027(Low Coupling)\uff1a\u304a\u4e92\u3044\u306b\u4f9d\u5b58\u3057\u3066\u3044\u306a\u3044<\/p>\n<p>new\u6f14\u7b97\u5b50\u3092\u7528\u3044\u308b\u3068\u5bc6\u7d50\u5408\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u304c\u3001<br \/>\n\u30b3\u30f3\u30c6\u30ca(=\u7b2c\u4e09\u8005)\u306b\u30a4\u30f3\u30b8\u30a7\u30af\u30c8\u3057\u3066\u3082\u3089\u3046\u3053\u3068\u3067\u758e\u7d50\u5408\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\uff01?<\/p>\n<h1>\u4f7f\u7528IntelliJ\u548cgradle\uff0c\u5c55\u793aSpringBoot\u7684Hello World\u3002<\/h1>\n<h3>\u8bbe\u5b9a<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d3f7237434c4406c8ee37\/16-0.png\" alt=\"dependencies.png\" \/><\/div>\n<h3>\u6587\u4ef6\u5939\u7ed3\u6784<\/h3>\n<p>build.gradle\uff1a\u30b0\u30ec\u30fc\u30c9\u30eb\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u3042\u308b\u3053\u3068\u304c\u308f\u304b\u308b<\/p>\n<p>group\uff1a\u6210\u679c\u7269\u3067\u3042\u308bjar\u30d5\u30a1\u30a4\u30eb\u306e\u540d\u524d<br \/>\nsource compatibility\uff1aJava11\u4ee5\u964d\u306e\u74b0\u5883\u3067\u52d5\u304f<br \/>\ndependencies \uff1b\u4f7f\u3044\u305f\u3044\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u8a18\u8ff0\u3002\u3053\u3053\u306b\u66f8\u304f\u3068\u30ea\u30dd\u30b8\u30c8\u30ea\u304b\u3089\u52dd\u624b\u306b\u3068\u3063\u3066\u304d\u3066\u304f\u308c\u308b\uff01?<\/p>\n<p>\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u304c\u30b3\u30f3\u30d1\u30af\u30c8\u306b\uff01<br \/>\nrepository\u6307\u5b9a\u5834\u6240\u304c\u9055\u3046\/\u30d7\u30ed\u30ad\u30b7\u304c\u9055\u3046\u3068\u304b\u3067\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3067\u304d\u306a\u3044\u30c8\u30e9\u30d6\u30eb\u3082\u3042\u308b\u306e\u3067\u6ce8\u610f<\/p>\n<p>src\/main\/java \uff1a\u914d\u4e0b\u306bjava\u306e\u30b3\u30fc\u30c9\u66f8\u304f\u3068\u3044\u3046\u6c7a\u307e\u308a<br \/>\nsrc\/main\/resources\/applications.propaties\uff1a\u30dd\u30fc\u30c8\u3092\u7c21\u5358\u306b\u5909\u66f4\u3067\u304d\u308b<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">server<\/span><span class=\"o\">.<\/span><span class=\"na\">port<\/span><span class=\"o\">=<\/span><span class=\"mi\">8081<\/span>\r\n<\/code><\/pre>\n<h3>\u521b\u5efa\u73ed\u7ea7 j\u00ed)<\/h3>\n<p>src\/main\/java\/com.example.demo\u4e0a\u3067\u3001\u53f3\u30af\u30ea\u30c3\u30af &gt; New &gt; Class<br \/>\nName: SampleController<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d3f7237434c4406c8ee37\/22-0.png\" alt=\"demo1.png\" \/><\/div>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/Springboot\u3092\u52d5\u304b\u3059\u6642\u306b\u3001URL\u3092\u53d7\u3051\u53d6\u308a\u3001index.html\u3092\u8fd4\u3059<\/span>\r\n<span class=\"kn\">package<\/span> <span class=\"nn\">com.example.demo<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.springframework.stereotype.Controller<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.springframework.ui.Model<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.springframework.web.bind.annotation.RequestMapping<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.springframework.web.bind.annotation.RequestMethod<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"nd\">@Controller<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">SampleController<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"nd\">@RequestMapping<\/span><span class=\"o\">(<\/span><span class=\"n\">value<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"\/\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">method<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">RequestMethod<\/span><span class=\"o\">.<\/span><span class=\"na\">GET<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"nc\">String<\/span> <span class=\"nf\">index<\/span><span class=\"o\">(<\/span><span class=\"nc\">Model<\/span> <span class=\"n\">model<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"n\">model<\/span><span class=\"o\">.<\/span><span class=\"na\">addAttribute<\/span><span class=\"o\">(<\/span><span class=\"s\">\"message\"<\/span><span class=\"o\">,<\/span> <span class=\"s\">\"Hello World!!\"<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"s\">\"index\"<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u521b\u5efaHTML\u6587\u4ef6<\/h3>\n<p>main\/resources\/templates &gt; New &gt; HTML File<br \/>\nName: index.html<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d3f7237434c4406c8ee37\/26-0.png\" alt=\"HTML.png\" \/><\/div>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;!DOCTYPE html&gt;<\/span>\r\n<span class=\"nt\">&lt;html<\/span> <span class=\"na\">xmlns=<\/span><span class=\"s\">\"http:\/\/www.w3.org\/1999\/xhtml\"<\/span> <span class=\"na\">xmlns:th=<\/span><span class=\"s\">\"http:\/\/www.thymeleaf.org\"<\/span><span class=\"nt\">&gt;<\/span>\r\n<span class=\"nt\">&lt;head&gt;<\/span>\r\n    <span class=\"nt\">&lt;title&gt;<\/span>Hello World<span class=\"nt\">&lt;\/title&gt;<\/span>\r\n    <span class=\"nt\">&lt;meta<\/span> <span class=\"na\">charset=<\/span><span class=\"s\">\"utf-8\"<\/span> <span class=\"nt\">\/&gt;<\/span>\r\n<span class=\"nt\">&lt;\/head&gt;<\/span>\r\n<span class=\"nt\">&lt;body&gt;<\/span>\r\n<span class=\"nt\">&lt;h1&gt;<\/span>SpringBoot<span class=\"nt\">&lt;\/h1&gt;<\/span>\r\n<span class=\"nt\">&lt;p&gt;<\/span>\r\n    <span class=\"nt\">&lt;span<\/span> <span class=\"na\">th:text=<\/span><span class=\"s\">\"${message}\"<\/span><span class=\"nt\">&gt;&lt;\/span&gt;<\/span>\r\n<span class=\"nt\">&lt;\/p&gt;<\/span>\r\n<span class=\"nt\">&lt;\/body&gt;<\/span>\r\n<span class=\"nt\">&lt;\/html&gt;<\/span>\r\n<\/code><\/pre>\n<h3>\u542f\u52a8\u5e76\u5b8c\u6210\uff01<\/h3>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d3f7237434c4406c8ee37\/29-0.png\" alt=\"\u7d50\u679c.png\" \/><\/div>\n<h2>\uff08\u6ce8\u610f\uff09\u5173\u4e8e\u7aef\u53e3<\/h2>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d3f7237434c4406c8ee37\/31-0.png\" alt=\"spring3.png\" \/><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u6625\u5929\u662f\u6307\u7684\u4ec0\u4e48? Java\u5f00\u53d1\u4e2d\u7684\u6846\u67b6\uff08\u5373\u6548\u7387\u5de5\u5177\uff09 \u4f8b\u5982\uff1a\u7528\u4e8e\u8bbf\u95ee\u6570\u636e\u5e93\u7684\u7c7b\u7b49\u3002 \u6625\u5b63\u7684\u6574\u4f53\u56fe\u50cf Sprin [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-40183","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u3010Java\u3011\u4ece\u57fa\u7840\u5230Hello World\u7684Spring Boot\u5165\u95e8 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u3010java\u3011\u4ece\u57fa\u7840\u5230hello-world\u7684spring-boot\u5165\u95e8\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010Java\u3011\u4ece\u57fa\u7840\u5230Hello World\u7684Spring Boot\u5165\u95e8\" \/>\n<meta property=\"og:description\" content=\"\u6625\u5929\u662f\u6307\u7684\u4ec0\u4e48? 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