{"id":40264,"date":"2023-11-26T01:04:07","date_gmt":"2023-02-26T18:50:48","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/spring-boot-%e5%a4%96%e9%83%a8%e9%85%8d%e7%bd%ae%e5%80%bc%e7%9a%84%e4%bc%98%e5%85%88%e9%a1%ba%e5%ba%8f\/"},"modified":"2024-05-04T10:47:25","modified_gmt":"2024-05-04T02:47:25","slug":"spring-boot-%e5%a4%96%e9%83%a8%e9%85%8d%e7%bd%ae%e5%80%bc%e7%9a%84%e4%bc%98%e5%85%88%e9%a1%ba%e5%ba%8f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/spring-boot-%e5%a4%96%e9%83%a8%e9%85%8d%e7%bd%ae%e5%80%bc%e7%9a%84%e4%bc%98%e5%85%88%e9%a1%ba%e5%ba%8f\/","title":{"rendered":"Spring Boot \u5916\u90e8\u914d\u7f6e\u503c\u7684\u4f18\u5148\u987a\u5e8f"},"content":{"rendered":"<h2>\u6982\u8ff0<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Spring Boot 2.2.0.M4 \u306e Externalized Configuration (\u5916\u90e8\u8a2d\u5b9a) \u306e\u8a2d\u5b9a\u5024\u306e\u512a\u5148\u9806\u4f4d\u306b\u3064\u3044\u3066\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u65e5\u672c\u8a9e\u306b\u7ffb\u8a33\u3057\u305f<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u539f\u6587: Spring Boot Reference Documentation &#8211; 4.2. Externalized Configuration<\/ul>\n<h2>\u7ffb\u8bd1\u6210\u4e2d\u6587\u5982\u4e0b\uff1a<\/h2>\n<p>\u65e5\u8bed\u7ffb\u8bd1<\/p>\n<p>\u5916\u90e8\u8bbe\u7f6e &#8211; External configuration\/setting<\/p>\n<p>Spring Boot\u53ef\u4ee5\u901a\u8fc7\u5916\u90e8\u5316\u914d\u7f6e\u4f7f\u540c\u4e00\u5e94\u7528\u4ee3\u7801\u5728\u4e0d\u540c\u73af\u5883\u4e2d\u8fd0\u884c\u3002\u53ef\u4f7f\u7528\u5c5e\u6027\u6587\u4ef6\u3001YAML\u6587\u4ef6\u3001\u73af\u5883\u53d8\u91cf\u548c\u547d\u4ee4\u884c\u53c2\u6570\u6765\u8fdb\u884c\u5916\u90e8\u5316\u914d\u7f6e\u3002\u914d\u7f6e\u503c\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528@Value\u6ce8\u89e3\u76f4\u63a5\u6ce8\u5165\u5230Bean\u4e2d\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7Spring\u7684Environment\u8bbf\u95ee\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7@ConfigurationProperties\u5c06\u5176\u7ed1\u5b9a\u5230\u7ed3\u6784\u5316\u5bf9\u8c61\u4e0a\u3002<\/p>\n<p>Spring Boot\u4f7f\u7528PropertySource\u4f5c\u4e3a\u4e00\u79cd\u7279\u6b8a\u7684\u6392\u5e8f\u673a\u5236\u3002\u8fd9\u4e2a\u673a\u5236\u88ab\u8bbe\u8ba1\u6210\u80fd\u591f\u7075\u6d3b\u5730\u8986\u76d6\u914d\u7f6e\u503c\u3002<\/p>\n<p>\u8a2d\u5b9a\u503c\u5c07\u6309\u7167\u4ee5\u4e0b\u512a\u5148\u9806\u5e8f\u61c9\u7528\uff1a<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5bb6\u76ee\u9304\u4e0b\u7684Devtools\u5168\u5c40\u8a2d\u5b9a\u5c6c\u6027\uff08\u5982\u679cdevtools\u8655\u65bc\u6d3b\u52d5\u72c0\u614b\uff0c\u5247\u70ba\u301c\/.spring-boot-devtools.properties\uff09\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u6e2c\u8a66\u4e2d\u7684@TestPropertySource\u8a3b\u89e3\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u6e2c\u8a66\u5c6c\u6027\u3002\u9019\u53ef\u4ee5\u8207@SpringBootTest\u548c\u5176\u4ed6\u7528\u65bc\u6e2c\u8a66\u61c9\u7528\u7a0b\u5e8f\u7279\u5b9a\u90e8\u5206\u7684\u6e2c\u8a66\u8a3b\u89e3\u4e00\u8d77\u4f7f\u7528\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u547d\u4ee4\u884c\u53c3\u6578\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u8a2d\u7f6e\u5728SPRING_APPLICATION_JSON\u4e2d\u7684\u5c6c\u6027\uff08\u5d4c\u5165\u5728\u74b0\u5883\u8b8a\u91cf\u6216\u7cfb\u7d71\u5c6c\u6027\u4e2d\u7684\u5167\u806fJSON\uff09\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>ServletConfig\u521d\u59cb\u5316\u53c3\u6578\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>ServletContext\u521d\u59cb\u5316\u53c3\u6578\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u6e90\u81eajava:comp\/env\u7684JNDI\u5c6c\u6027\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>Java\u7cfb\u7d71\u5c6c\u6027\uff08System.getProperties()\uff09\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u64cd\u4f5c\u7cfb\u7d71\u7684\u74b0\u5883\u8b8a\u91cf\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u50c5\u5177\u6709random.*\u5c6c\u6027\u7684RandomValuePropertySource\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u7528\u65bc\u7279\u5b9a\u914d\u7f6e\u6587\u4ef6\u7684\u672a\u6253\u5305\u6210JAR\u7684\u61c9\u7528\u7a0b\u5e8f\u5c6c\u6027\uff08application-{profile}.properties\u548cYAML\uff09\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u7528\u65bc\u7279\u5b9a\u914d\u7f6e\u6587\u4ef6\u7684\u5df2\u6253\u5305\u6210JAR\u7684\u61c9\u7528\u7a0b\u5e8f\u5c6c\u6027\uff08application-{profile}.properties\u548cYAML\uff09\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u672a\u6253\u5305\u6210JAR\u7684\u61c9\u7528\u7a0b\u5e8f\u5c6c\u6027\uff08application.properties\u548cYAML\uff09\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5df2\u6253\u5305\u6210JAR\u7684\u61c9\u7528\u7a0b\u5e8f\u5c6c\u6027\uff08application.properties\u548cYAML\uff09\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>@Configuration\u985e\u7684@PropertySource\u8a3b\u89e3\u3002<br \/>\n\u9ed8\u8a8d\u5c6c\u6027\uff08\u7531SpringApplication.setDefaultProperties\u6307\u5b9a\u7684\u8a2d\u7f6e\uff09\u3002<\/p>\n<h2>\u8bf7\u7528\u4e2d\u6587\u5c06\u4ee5\u4e0b\u5185\u5bb9\u6539\u5199\u6210\u540c\u4e49\u53e5\uff0c\u53ea\u9700\u4e00\u79cd\u9009\u9879\uff1a<\/h2>\n<p>\u539f\u6587\uff08\u82f1\u8bed\uff09\uff1a<br \/>\n&#8211; I cannot understand Mandarin easily.<\/p>\n<p>\u6539\u5199\u540e\uff08\u4e2d\u6587\uff09\uff1a<br \/>\n&#8211; \u6211\u5f88\u96be\u8f7b\u677e\u5730\u7406\u89e3\u666e\u901a\u8bdd\u3002<\/p>\n<p>4.2 \u5916\u90e8\u5316\u914d\u7f6e<\/p>\n<p>Spring Boot \u5141\u8bb8\u60a8\u5916\u90e8\u5316\u914d\u7f6e\uff0c\u4ee5\u4fbf\u60a8\u53ef\u4ee5\u5728\u4e0d\u540c\u7684\u73af\u5883\u4e2d\u5904\u7406\u76f8\u540c\u7684\u5e94\u7528\u7a0b\u5e8f\u4ee3\u7801\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u5c5e\u6027\u6587\u4ef6\u3001YAML\u6587\u4ef6\u3001\u73af\u5883\u53d8\u91cf\u548c\u547d\u4ee4\u884c\u53c2\u6570\u6765\u5916\u90e8\u5316\u914d\u7f6e\u3002\u901a\u8fc7\u4f7f\u7528@Value\u6ce8\u89e3\uff0c\u5c5e\u6027\u503c\u53ef\u4ee5\u76f4\u63a5\u6ce8\u5165\u5230\u60a8\u7684bean\u4e2d\uff1b\u901a\u8fc7Spring\u7684Environment\u62bd\u8c61\u8fdb\u884c\u8bbf\u95ee\uff1b\u6216\u8005\u901a\u8fc7@ConfigurationProperties\u7ed1\u5b9a\u5230\u7ed3\u6784\u5316\u5bf9\u8c61\u4e2d\u3002<\/p>\n<p>Spring Boot\u4f7f\u7528\u4e00\u79cd\u975e\u5e38\u7279\u6b8a\u7684PropertySource\u987a\u5e8f\uff0c\u65e8\u5728\u5141\u8bb8\u5408\u7406\u5730\u8986\u76d6\u503c\u3002\u5c5e\u6027\u6309\u7167\u4ee5\u4e0b\u987a\u5e8f\u8fdb\u884c\u8003\u8651\uff1a<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5f00\u53d1\u5de5\u5177\u7684\u5168\u5c40\u8bbe\u7f6e\u5c5e\u6027\u4f4d\u4e8e\u4f60\u7684\u4e3b\u76ee\u5f55\u4e0b\uff08\u5f53devtools\u5904\u4e8e\u6fc0\u6d3b\u72b6\u6001\u65f6\u4e3a~\/.spring-boot-devtools.properties\uff09\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>@TestPropertySource\u6ce8\u89e3\u7528\u4e8e\u4f60\u7684\u6d4b\u8bd5\u3002<br \/>\n\u6d4b\u8bd5\u4e2d\u7684properties\u5c5e\u6027\u3002\u53ef\u5728@SpringBootTest\u548c\u7528\u4e8e\u6d4b\u8bd5\u5e94\u7528\u7a0b\u5e8f\u7684\u7279\u5b9a\u7247\u6bb5\u7684\u6d4b\u8bd5\u6ce8\u89e3\u4e0a\u4f7f\u7528\u3002<br \/>\n\u547d\u4ee4\u884c\u53c2\u6570\u3002<br \/>\n\u6765\u81eaSPRING_APPLICATION_JSON\u7684\u5c5e\u6027\uff08\u5d4c\u5165\u5728\u73af\u5883\u53d8\u91cf\u6216\u7cfb\u7edf\u5c5e\u6027\u4e2d\u7684\u5185\u8054JSON\uff09\u3002<br \/>\nServletConfig\u521d\u59cb\u5316\u53c2\u6570\u3002<br \/>\nServletContext\u521d\u59cb\u5316\u53c2\u6570\u3002<br \/>\n\u6765\u81eajava:comp\/env\u7684JNDI\u5c5e\u6027\u3002<br \/>\nJava\u7cfb\u7edf\u5c5e\u6027\uff08System.getProperties()\uff09\u3002<br \/>\n\u64cd\u4f5c\u7cfb\u7edf\u73af\u5883\u53d8\u91cf\u3002<br \/>\n\u4ec5\u5728random.*\u5c5e\u6027\u4e2d\u7684RandomValuePropertySource\u3002<br \/>\n\u7279\u5b9a\u4e8e\u914d\u7f6e\u6587\u4ef6\u7684\u5e94\u7528\u7a0b\u5e8f\u5c5e\u6027\u4e0d\u5305\u542b\u5728\u6253\u5305\u7684jar\u6587\u4ef6\u4e2d\uff08application-{profile}.properties\u548cYAML\u53d8\u4f53\uff09\u3002<br \/>\n\u7279\u5b9a\u4e8e\u914d\u7f6e\u6587\u4ef6\u7684\u5e94\u7528\u7a0b\u5e8f\u5c5e\u6027\u5305\u542b\u5728\u6253\u5305\u7684jar\u6587\u4ef6\u4e2d\uff08application-{profile}.properties\u548cYAML\u53d8\u4f53\uff09\u3002<br \/>\n\u4e0d\u5305\u542b\u5728\u6253\u5305\u7684jar\u6587\u4ef6\u4e2d\u7684\u5e94\u7528\u7a0b\u5e8f\u5c5e\u6027\uff08application.properties\u548cYAML\u53d8\u4f53\uff09\u3002<br \/>\n\u5305\u542b\u5728\u6253\u5305\u7684jar\u6587\u4ef6\u4e2d\u7684\u5e94\u7528\u7a0b\u5e8f\u5c5e\u6027\uff08application.properties\u548cYAML\u53d8\u4f53\uff09\u3002<\/p>\n<p>@Configuration\u7c7b\u4e0a\u7684@PropertySource\u6ce8\u89e3\u3002<br \/>\n\u9ed8\u8ba4\u5c5e\u6027\uff08\u901a\u8fc7\u8bbe\u7f6eSpringApplication.setDefaultProperties\u6307\u5b9a\uff09\u3002<\/p>\n<h2>\u512a\u5148\u9806\u5e8f\u7684\u64cd\u4f5c\u9a57\u8b49<\/h2>\n<p>\u8fd0\u884c\u793a\u4f8b\u4ee3\u7801\uff0c\u4ee5\u786e\u8ba4\u4f18\u5148\u987a\u5e8f\u3002<\/p>\n<h3>\u5e94\u7528\u7a0b\u5e8f\u914d\u7f6e\u6587\u4ef6<\/h3>\n<p>\u5728 application.properties \u6587\u4ef6\u4e2d\u5199\u5165\u914d\u7f6e\u503c\u3002<\/p>\n<pre class=\"post-pre\"><code>message=Hello, application.properties!\r\n<\/code><\/pre>\n<h3>Application.java \u7533\u8bf7.java<\/h3>\n<pre class=\"post-pre\"><code>package sample;\r\n\r\nimport org.springframework.boot.SpringApplication;\r\nimport org.springframework.boot.autoconfigure.SpringBootApplication;\r\n\r\n@SpringBootApplication\r\npublic class Application {\r\n\r\n  public static void main(String[] args) {\r\n    SpringApplication.run(Application.class, args);\r\n  }\r\n}\r\n<\/code><\/pre>\n<h3>\u63a7\u5236\u5668.java<\/h3>\n<p>\u5c06\u8bbe\u5b9a\u503cmessage\u4ee5JSON\u683c\u5f0f\u8fd4\u56de\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">package<\/span> <span class=\"nn\">sample<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.util.HashMap<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.springframework.beans.factory.annotation.Value<\/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.RestController<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"nd\">@RestController<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">Controller<\/span> <span class=\"o\">{<\/span>\r\n\r\n  <span class=\"nd\">@Value<\/span><span class=\"o\">(<\/span><span class=\"s\">\"${message}\"<\/span><span class=\"o\">)<\/span>\r\n  <span class=\"kd\">private<\/span> <span class=\"nc\">String<\/span> <span class=\"n\">message<\/span><span class=\"o\">;<\/span>\r\n\r\n  <span class=\"nd\">@RequestMapping<\/span><span class=\"o\">(<\/span><span class=\"s\">\"\/\"<\/span><span class=\"o\">)<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"nc\">HashMap<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Object<\/span><span class=\"o\">&gt;<\/span> <span class=\"nf\">index<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">HashMap<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Object<\/span><span class=\"o\">&gt;()<\/span> <span class=\"o\">{<\/span>\r\n      <span class=\"o\">{<\/span>\r\n        <span class=\"n\">put<\/span><span class=\"o\">(<\/span><span class=\"s\">\"message\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">message<\/span><span class=\"o\">);<\/span>\r\n      <span class=\"o\">}<\/span>\r\n    <span class=\"o\">};<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u4e00\u4e2a\u5e94\u7528\u7a0b\u5e8f\u6b63\u662f\u5b9e\u65bd application.properties \u7684\u4f8b\u5b50\u3002<\/h3>\n<p>\u4f7f\u7528Java\u547d\u4ee4\u8fd0\u884cSpring Boot\u670d\u52a1\u5668\u3002<\/p>\n<pre class=\"post-pre\"><code>$ java -jar target\/sample.jar\r\n<\/code><\/pre>\n<p>\u5f53\u8bbf\u95ee\u670d\u52a1\u5668\u65f6\uff0c\u5c06\u8fd4\u56de\u5728 application.properties \u6587\u4ef6\u4e2d\u6307\u5b9a\u7684 message \u8bbe\u7f6e\u503c\u3002<\/p>\n<pre class=\"post-pre\"><code>$ curl http:\/\/localhost:8080\/\r\n{\"message\":\"Hello, application.properties!\"}\r\n<\/code><\/pre>\n<h3>\u9019\u662f\u4e00\u500b\u9069\u7528Java\u7cfb\u7d71\u5c6c\u6027\u7684\u4f8b\u5b50\u3002<\/h3>\n<p>\u5728Java\u4e2d\uff0c\u4f7f\u7528&#8221;-D&#8221;\u53c2\u6570\u5c06JSON\u6307\u5b9a\u7ed9spring.application.json\u7cfb\u7edf\u5c5e\u6027\uff0c\u5e76\u4f7f\u7528java\u547d\u4ee4\u6267\u884cSpring Boot\u670d\u52a1\u5668\u3002<\/p>\n<pre class=\"post-pre\"><code>$ java -Dspring.application.json='{\"message\":\"Hello, Java System properties!\"}' -jar target\/sample.jar\r\n<\/code><\/pre>\n<p>\u5f53\u8bbf\u95ee\u670d\u52a1\u5668\u65f6\uff0c\u5c06\u8fd4\u56de\u6307\u5b9a\u7684Java\u7cfb\u7edf\u5c5e\u6027\u4e2d\u7684message\u8bbe\u7f6e\u503c\u3002<\/p>\n<pre class=\"post-pre\"><code>$ curl http:\/\/localhost:8080\/\r\n{\"message\":\"Hello, Java System properties!\"}\r\n<\/code><\/pre>\n<p>\u4e0d\u662fapplication.properties\uff0c\u800c\u662f\u4f18\u5148\u91c7\u7528Java\u7684\u7cfb\u7edf\u5c5e\u6027\u3002<br \/>\n\u8fd9\u662f\u6839\u636e\u5217\u8868\u4e2d\u76849\u53f7\u548c15\u53f7\u4f18\u5148\u987a\u5e8f\u786e\u5b9a\u7684\uff0c\u56e0\u4e3a9\u53f7\u7684\u4f18\u5148\u7ea7\u8f83\u9ad8\u3002<br \/>\n&#8220;9. Java\u7684\u7cfb\u7edf\u5c5e\u6027\uff08System.getProperties()\uff09\u3002<br \/>\n&#8220;15. \u6253\u5305\u5728JAR\u4e2d\u7684\u5e94\u7528\u5c5e\u6027\uff08application-{profile}.properties\u548cYAML\uff09\u3002&#8221;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8ff0 Spring Boot 2.2.0.M4 \u306e Externalized Configuration (\u5916 [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-40264","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>Spring Boot \u5916\u90e8\u914d\u7f6e\u503c\u7684\u4f18\u5148\u987a\u5e8f - 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\/spring-boot-\u5916\u90e8\u914d\u7f6e\u503c\u7684\u4f18\u5148\u987a\u5e8f\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Spring Boot \u5916\u90e8\u914d\u7f6e\u503c\u7684\u4f18\u5148\u987a\u5e8f\" \/>\n<meta property=\"og:description\" content=\"\u6982\u8ff0 Spring Boot 2.2.0.M4 \u306e Externalized Configuration (\u5916 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/spring-boot-\u5916\u90e8\u914d\u7f6e\u503c\u7684\u4f18\u5148\u987a\u5e8f\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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