{"id":894,"date":"2023-03-11T06:52:47","date_gmt":"2023-03-10T22:52:47","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=894"},"modified":"2023-04-29T16:36:23","modified_gmt":"2023-04-29T08:36:23","slug":"spring-boot-use-configurationproperties-to-load-configuration-files","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/03\/11\/spring-boot-use-configurationproperties-to-load-configuration-files\/","title":{"rendered":"Spring Boot\u4f7f\u7528@ConfigurationProperties\u52a0\u8f7d\u914d\u7f6e\u6587\u4ef6"},"content":{"rendered":"<p>Spring Boot\u5f00\u53d1\u4e2d\uff0c\u4e00\u822c\u4f1a\u4f7f\u7528<code>@Value<\/code>\u6ce8\u89e3\u548c<code>@ConfigurationProperties<\/code>\u6ce8\u89e3\u6765\u52a0\u8f7d\u914d\u7f6e\u4fe1\u606f<\/p>\n<ul>\n<li><code>@Value<\/code>(\u9700\u8981\u914d\u5408<code>@Component<\/code>)\uff1a\u8be5\u6ce8\u89e3\u7684\u6267\u884c\u5728java\u8fd0\u884c\u521d\u59cb\u5316\u7684\u6700\u540e<\/li>\n<li><code>@ConfigurationProperties<\/code>\uff1a\u8be5\u6ce8\u89e3\u521d\u59cb\u5316\u7684\u65f6\u673a\u662f\uff0c\u51e1\u662f\u5f15\u7528\u5230\u8be5\u7c7b\u7684\u5c31\u4f1a\u89e6\u53d1\u8be5\u6ce8\u89e3<\/li>\n<\/ul>\n<p><!-- more --><\/p>\n<h2>\u7b80\u5355\u793a\u4f8b<\/h2>\n<p>\uff081\uff09\u914d\u7f6e\u6587\u4ef6<\/p>\n<pre><code class=\"language-yml\">spring:\n  redis:\n    host: 192.168.10.10\n    port: 6379<\/code><\/pre>\n<p>\uff082\uff09\u914d\u7f6e\u7c7b<\/p>\n<pre><code class=\"language-java\">@Data\n@Component\n@ConfigurationProperties(prefix = &quot;spring.redis&quot;)\npublic class RedisConfig {\n    private String host;\n    private String port;\n}<\/code><\/pre>\n<blockquote>\n<p>\u6ce8\uff1a\u5b57\u6bb5\u5fc5\u987b\u5305\u542b<code>Setter<\/code>\u65b9\u6cd5<\/p>\n<\/blockquote>\n<p>\uff083\uff09\u521d\u59cb\u5316<\/p>\n<pre><code class=\"language-java\">@Slf4j\n@Component\npublic class AppInit {\n    @Autowired\n    private RedisConfig redisConfig;\n\n    @Bean\n    public void initRedis() {\n        log.info(&quot;Redis Host: &quot; + redisConfig.getHost());\n        log.info(&quot;Redis Port: &quot; + redisConfig.getPort());\n    }\n}<\/code><\/pre>\n<h2>\u9759\u6001\u5f15\u7528<\/h2>\n<p><code>@ConfigurationProperties<\/code>\u53ea\u4f1a\u8c03\u7528\u975e\u9759\u6001\u7684set\u65b9\u6cd5\uff0c\u5982\u9700\u901a\u8fc7\u9759\u6001\u53d8\u91cf\u65b9\u5f0f\u76f4\u63a5\u8c03\u7528\uff0c\u9700\u5c06<code>Setter<\/code>\u5b9a\u4e49\u4e3a\u975e\u9759\u6001\u65b9\u6cd5<\/p>\n<p>\uff081\uff09\u914d\u7f6e\u7c7b<\/p>\n<pre><code class=\"language-java\">@Component\n@ConfigurationProperties(prefix = &quot;spring.redis&quot;)\npublic class RedisConfig {\n    public static String host;\n    public static String port;\n\n    public void setHost(String host) {\n        RedisConfig.host = host;\n    }\n\n    public void setPort(String port) {\n        RedisConfig.port = port;\n    }\n}<\/code><\/pre>\n<p>\uff082\uff09\u521d\u59cb\u5316<\/p>\n<pre><code class=\"language-java\">@Slf4j\n@Component\npublic class AppInit {\n    @Bean\n    public void initRedis() {\n        log.info(&quot;Redis Host: &quot; + RedisConfig.host);\n        log.info(&quot;Redis Port: &quot; + RedisConfig.port);\n    }\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Spring Boot\u5f00\u53d1\u4e2d\uff0c\u4e00\u822c\u4f1a\u4f7f\u7528@Value\u6ce8\u89e3\u548c@ConfigurationProperties\u6ce8\u89e3 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41],"tags":[],"class_list":["post-894","post","type-post","status-publish","format-standard","hentry","category-spring-boot"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/894","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=894"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/894\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=894"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=894"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=894"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}