Spring Boot \u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u5f0f\u6765\u8bfb\u53d6\u914d\u7f6e\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002\u4ee5\u4e0b\u662f Spring Boot \u4e2d\u5e38\u7528\u7684\u51e0\u79cd\u8bfb\u53d6\u914d\u7f6e\u7684\u65b9\u5f0f\uff1a<\/p>\n
application.properties<\/code> \u6216 application.yml<\/code> \u6587\u4ef6\uff1a<\/strong><\/p>\n\n- \nSpring Boot \u9ed8\u8ba4\u4f1a\u8bfb\u53d6
src\/main\/resources<\/code> \u76ee\u5f55\u4e0b\u7684 application.properties<\/code> \u6216 application.yml<\/code> \u6587\u4ef6\u4e2d\u7684\u914d\u7f6e\u3002\n<\/li>\n- \n\u793a\u4f8b
application.properties<\/code> \u6587\u4ef6\uff1a<\/p>\nserver.port=8080\nspring.datasource.url=jdbc:mysql:\/\/localhost:3306\/mydatabase\n<\/code><\/pre>\n<\/li>\n- \n\u793a\u4f8b
application.yml<\/code> \u6587\u4ef6\uff1a<\/p>\nserver:\n port: 8080\nspring:\n datasource:\n url: jdbc:mysql:\/\/localhost:3306\/mydatabase\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<\/li>\n- \n
@Value<\/code> \u6ce8\u89e3\uff1a<\/strong><\/p>\n\n- \u4f7f\u7528
@Value<\/code> \u6ce8\u89e3\u53ef\u4ee5\u76f4\u63a5\u5c06\u914d\u7f6e\u503c\u6ce8\u5165\u5230\u7c7b\u7684\u5b57\u6bb5\u4e2d\u3002<\/li>\n- \u793a\u4f8b\uff1a\n
import org.springframework.beans.factory.annotation.Value;\nimport org.springframework.stereotype.Component;\n\n@Component\npublic class MyComponent {\n\n @Value("{server.port}")\n private int serverPort;\n\n @Value("<\/span>{spring.datasource.url}")\n private String dataSourceUrl;\n\n \/\/ Getter and setter methods\n}\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<\/li>\n- \n
@ConfigurationProperties<\/code> \u6ce8\u89e3\uff1a<\/strong><\/p>\n\n- \u4f7f\u7528
@ConfigurationProperties<\/code> \u6ce8\u89e3\u53ef\u4ee5\u5c06\u914d\u7f6e\u7ed1\u5b9a\u5230\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684 Java \u5bf9\u8c61\u4e0a\u3002<\/li>\n- \u793a\u4f8b\uff1a\n
import org.springframework.boot.context.properties.ConfigurationProperties;\nimport org.springframework.stereotype.Component;\n\n@Component\n@ConfigurationProperties(prefix = "myapp")\npublic class MyAppProperties {\n\n private int serverPort;\n private String dataSourceUrl;\n\n \/\/ Getter and setter methods\n}\n<\/code><\/pre>\n\u5728 application.properties<\/code> \u6216 application.yml<\/code> \u4e2d\uff1a<\/p>\nmyapp.serverPort=8080\nmyapp.dataSourceUrl=jdbc:mysql:\/\/localhost:3306\/mydatabase\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<\/li>\n- \n
Environment<\/code> \u5bf9\u8c61\uff1a<\/strong><\/p>\n\n- \u901a\u8fc7
Environment<\/code> \u5bf9\u8c61\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u914d\u7f6e\u5c5e\u6027\u3002<\/li>\n- \u793a\u4f8b\uff1a\n
import org.springframework.core.env.Environment;\nimport org.springframework.beans.factory.annotation.Autowired;\nimport org.springframework.stereotype.Component;\n\n@Component\npublic class MyComponent {\n\n @Autowired\n private Environment environment;\n\n public void printConfig() {\n System.out.println("Server Port: " + environment.getProperty("server.port"));\n System.out.println("Data Source URL: " + environment.getProperty("spring.datasource.url"));\n }\n}\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<\/li>\n- \n
@PropertySource<\/code> \u6ce8\u89e3\uff1a<\/strong><\/p>\n\n- \u4f7f\u7528
@PropertySource<\/code> \u6ce8\u89e3\u53ef\u4ee5\u6307\u5b9a\u989d\u5916\u7684\u5c5e\u6027\u6587\u4ef6\uff0c\u5c06\u5176\u52a0\u8f7d\u5230 Spring \u7684 Environment<\/code> \u4e2d\u3002<\/li>\n- \u793a\u4f8b\uff1a\n
import org.springframework.context.annotation.PropertySource;\nimport org.springframework.stereotype.Component;\n\n@Component\n@PropertySource("classpath:custom.properties")\npublic class MyComponent {\n\n @Value("${custom.property}")\n private String customProperty;\n\n \/\/ Getter and setter methods\n}\n<\/code><\/pre>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\u8fd9\u4e9b\u65b9\u5f0f\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u7684\u573a\u666f\u548c\u9700\u6c42\u9009\u62e9\u4f7f\u7528\uff0cSpring Boot \u63d0\u4f9b\u4e86\u7075\u6d3b\u800c\u5f3a\u5927\u7684\u914d\u7f6e\u7ba1\u7406\u673a\u5236\uff0c\u4f7f\u5f97\u914d\u7f6e\u7684\u8bfb\u53d6\u53d8\u5f97\u7b80\u5355\u800c\u65b9\u4fbf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Spring Boot \u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u5f0f\u6765\u8bfb\u53d6\u914d\u7f6e\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002\u4ee5\u4e0b\u662f Spring Boot \u4e2d\u5e38\u7528\u7684\u51e0 […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100],"tags":[],"class_list":["post-7650","post","type-post","status-publish","format-standard","hentry","category-springboot"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/7650","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=7650"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/7650\/revisions"}],"predecessor-version":[{"id":16535,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/7650\/revisions\/16535"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=7650"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=7650"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=7650"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}