{"id":40268,"date":"2022-12-11T18:03:42","date_gmt":"2022-12-07T22:25:46","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%a6%82%e6%9e%9c%e4%bd%bf%e7%94%a8%e4%ba%86%e4%b8%8d%e6%8e%a8%e8%8d%90%e7%9a%84%e5%b1%9e%e6%80%a7%ef%bc%8c%e5%88%99%e4%bc%9a%e5%af%bc%e8%87%b4%e6%9e%84%e5%bb%ba%e5%a4%b1%e8%b4%a5%e3%80%82\/"},"modified":"2024-04-29T04:47:30","modified_gmt":"2024-04-28T20:47:30","slug":"%e5%a6%82%e6%9e%9c%e4%bd%bf%e7%94%a8%e4%ba%86%e4%b8%8d%e6%8e%a8%e8%8d%90%e7%9a%84%e5%b1%9e%e6%80%a7%ef%bc%8c%e5%88%99%e4%bc%9a%e5%af%bc%e8%87%b4%e6%9e%84%e5%bb%ba%e5%a4%b1%e8%b4%a5%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%a6%82%e6%9e%9c%e4%bd%bf%e7%94%a8%e4%ba%86%e4%b8%8d%e6%8e%a8%e8%8d%90%e7%9a%84%e5%b1%9e%e6%80%a7%ef%bc%8c%e5%88%99%e4%bc%9a%e5%af%bc%e8%87%b4%e6%9e%84%e5%bb%ba%e5%a4%b1%e8%b4%a5%e3%80%82\/","title":{"rendered":"\u5982\u679c\u4f7f\u7528\u4e86\u4e0d\u63a8\u8350\u7684\u5c5e\u6027\uff0c\u5219\u4f1a\u5bfc\u81f4\u6784\u5efa\u5931\u8d25"},"content":{"rendered":"<h1>\u7b80\u4ecb<\/h1>\n<p>\u6709\u4e00\u4e2a\u65b9\u4fbf\u7684\u5e93\u53eb\u505aspring-boot-properties-migrator\u53ef\u7528\u4e8e\u68c0\u6d4b\u4e0d\u63a8\u8350\u7684\u5c5e\u6027\uff0c\u4f46\u6700\u597d\u7684\u60c5\u51b5\u4e0b\u6211\u4eec\u60f3\u5bfc\u81f4\u6784\u5efa\u5931\u8d25&#8230;\uff01<\/p>\n<p>\u2192 \u867d\u7136\u65b9\u6cd5\u6709\u4e9b\u5f3a\u786c\uff0c\u4f46\u603b\u7b97\u5b9e\u73b0\u4e86\uff0c\u6211\u5148\u5c06\u5176\u8bb0\u4e0b\u6765\u4f5c\u4e3a\u5907\u5fd8\u5f55\u3002<\/p>\n<h1>spring-boot-properties-migrator\u662f\u4ec0\u4e48\uff1f<\/h1>\n<p>\u8fd9\u662f\u4e00\u4e2a\u80fd\u591f\u68c0\u6d4b\u975e\u63a8\u8350\u7684\u5c5e\u6027\uff0c\u5e76\u901a\u8fc7\u8b66\u544a\u65e5\u5fd7\u548c\u9519\u8bef\u65e5\u5fd7\u6765\u901a\u77e5\u6211\u4eec\u7684\u5e93\u3002<br \/>\n(\u5b83\u5e94\u8be5\u4e5f\u4f1a\u5904\u7406\u5c5e\u6027\u7684\u91cd\u547d\u540d)<\/p>\n<p>\u4e3b\u8981\u662fPropertiesMigrationListener\u6b63\u5728\u52aa\u529b\u5de5\u4f5c\u3002<\/p>\n<h1>\u51c6\u5907\u597d<\/h1>\n<p>\u7576\u64b0\u5beb\u9019\u7bc7\u6587\u7ae0\u6642\uff0c\u6211\u624b\u982d\u4e0a\u4f7f\u7528\u7684\u539f\u59cb\u78bc\u7684 build.gradle \u6458\u9304\u5982\u4e0b\uff1a<br \/>\n\u6211\u64b0\u5beb\u9019\u7bc7\u6587\u7ae0\u7684\u6642\u5019\uff0c\u624b\u4e0a\u7684\u539f\u59cb\u78bc\u5167\u7684 build.gradle \u6458\u9304\u5982\u4e0b\uff1a<br \/>\n\u5728\u5beb\u9019\u7bc7\u6587\u7ae0\u6642\uff0c\u6211\u624b\u4e0a\u7684\u539f\u59cb\u78bc\u4e2d\u7684 build.gradle \u6458\u8981\u5982\u4e0b\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">plugins<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"n\">id<\/span> <span class=\"s1\">'org.springframework.boot'<\/span> <span class=\"n\">version<\/span> <span class=\"s2\">\"2.5.0\"<\/span>\r\n    <span class=\"n\">id<\/span> <span class=\"s1\">'io.spring.dependency-management'<\/span> <span class=\"n\">version<\/span> <span class=\"s2\">\"1.0.11.RELEASE\"<\/span>\r\n    <span class=\"n\">id<\/span> <span class=\"s1\">'java'<\/span>\r\n    <span class=\"n\">id<\/span> <span class=\"s1\">'com.github.ben-manes.versions'<\/span> <span class=\"n\">version<\/span> <span class=\"s2\">\"0.36.0\"<\/span>\r\n<span class=\"o\">}<\/span>\r\n\r\n<span class=\"o\">...<\/span>\r\n\r\n<span class=\"n\">dependencies<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"o\">...<\/span>\r\n    <span class=\"n\">testRuntimeOnly<\/span><span class=\"o\">(<\/span><span class=\"s2\">\"org.springframework.boot:spring-boot-properties-migrator\"<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">testCompileOnly<\/span><span class=\"o\">(<\/span><span class=\"s2\">\"org.springframework.boot:spring-boot-properties-migrator\"<\/span><span class=\"o\">)<\/span>\r\n    <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<h1>\u5bfc\u81f4\u6784\u5efa\u5931\u8d25<\/h1>\n<p>PropertiesMigrationListener\u662f\u4e00\u4e2a\u53ea\u6709\u65e5\u5fd7\u8f93\u51fa\uff0c\u800c\u6ca1\u6709\u63d0\u53d6\u62a5\u544a\u5185\u5bb9\u7684\u65b9\u6cd5\u7684\u7c7b\uff0c\u56e0\u6b64\u6211\u4eec\u9700\u8981\u81ea\u5df1\u521b\u5efa\u4e00\u4e2a\u5305\u88c5\u7c7b\u6765\u5904\u7406\u3002<\/p>\n<p>\u90a3\u4e2a\u5b9e\u65bd\u65b9\u6848\u5728\u8fd9\u91cc\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Slf4j<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">PropertiesMigrationListenerWrapper<\/span>\r\n        <span class=\"kd\">implements<\/span> <span class=\"nc\">ApplicationListener<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">SpringApplicationEvent<\/span><span class=\"o\">&gt;<\/span> <span class=\"o\">{<\/span>\r\n\r\n    <span class=\"kd\">private<\/span> <span class=\"nc\">PropertiesMigrationReport<\/span> <span class=\"n\">report<\/span><span class=\"o\">;<\/span>\r\n\r\n    <span class=\"nd\">@Override<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">onApplicationEvent<\/span><span class=\"o\">(<\/span><span class=\"nc\">SpringApplicationEvent<\/span> <span class=\"n\">event<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"na\">info<\/span><span class=\"o\">(<\/span><span class=\"s\">\"event class: {}\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">event<\/span><span class=\"o\">.<\/span><span class=\"na\">getClass<\/span><span class=\"o\">());<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"o\">(<\/span><span class=\"n\">event<\/span> <span class=\"k\">instanceof<\/span> <span class=\"nc\">ApplicationStartedEvent<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"n\">onApplicationPreparedEvent<\/span><span class=\"o\">((<\/span><span class=\"nc\">ApplicationStartedEvent<\/span><span class=\"o\">)<\/span> <span class=\"n\">event<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"o\">}<\/span>\r\n    <span class=\"o\">}<\/span>\r\n\r\n    <span class=\"nd\">@EventListener<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">onApplicationPreparedEvent<\/span><span class=\"o\">(<\/span><span class=\"nc\">ApplicationStartedEvent<\/span> <span class=\"n\">event<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"nc\">ConfigurationMetadataRepository<\/span> <span class=\"n\">repository<\/span> <span class=\"o\">=<\/span> <span class=\"n\">loadRepository<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"nc\">PropertiesMigrationReporter<\/span> <span class=\"n\">reporter<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">PropertiesMigrationReporter<\/span><span class=\"o\">(<\/span><span class=\"n\">repository<\/span><span class=\"o\">,<\/span>\r\n                <span class=\"n\">event<\/span><span class=\"o\">.<\/span><span class=\"na\">getApplicationContext<\/span><span class=\"o\">().<\/span><span class=\"na\">getEnvironment<\/span><span class=\"o\">());<\/span>\r\n        <span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">report<\/span> <span class=\"o\">=<\/span> <span class=\"n\">reporter<\/span><span class=\"o\">.<\/span><span class=\"na\">getReport<\/span><span class=\"o\">();<\/span>\r\n    <span class=\"o\">}<\/span>\r\n\r\n    <span class=\"kd\">private<\/span> <span class=\"nc\">ConfigurationMetadataRepository<\/span> <span class=\"nf\">loadRepository<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">try<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"k\">return<\/span> <span class=\"nf\">loadRepository<\/span><span class=\"o\">(<\/span><span class=\"nc\">ConfigurationMetadataRepositoryJsonBuilder<\/span><span class=\"o\">.<\/span><span class=\"na\">create<\/span><span class=\"o\">());<\/span>\r\n        <span class=\"o\">}<\/span>\r\n        <span class=\"k\">catch<\/span> <span class=\"o\">(<\/span><span class=\"nc\">IOException<\/span> <span class=\"n\">ex<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"k\">throw<\/span> <span class=\"k\">new<\/span> <span class=\"nf\">IllegalStateException<\/span><span class=\"o\">(<\/span><span class=\"s\">\"Failed to load metadata\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">ex<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"o\">}<\/span>\r\n    <span class=\"o\">}<\/span>\r\n\r\n    <span class=\"kd\">private<\/span> <span class=\"nc\">ConfigurationMetadataRepository<\/span> <span class=\"nf\">loadRepository<\/span><span class=\"o\">(<\/span><span class=\"nc\">ConfigurationMetadataRepositoryJsonBuilder<\/span> <span class=\"n\">builder<\/span><span class=\"o\">)<\/span>\r\n            <span class=\"kd\">throws<\/span> <span class=\"nc\">IOException<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"nc\">Resource<\/span><span class=\"o\">[]<\/span> <span class=\"n\">resources<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">PathMatchingResourcePatternResolver<\/span><span class=\"o\">()<\/span>\r\n                <span class=\"o\">.<\/span><span class=\"na\">getResources<\/span><span class=\"o\">(<\/span><span class=\"s\">\"classpath*:\/META-INF\/spring-configuration-metadata.json\"<\/span><span class=\"o\">);<\/span>\r\n        <span class=\"k\">for<\/span> <span class=\"o\">(<\/span><span class=\"nc\">Resource<\/span> <span class=\"n\">resource<\/span> <span class=\"o\">:<\/span> <span class=\"n\">resources<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"k\">try<\/span> <span class=\"o\">(<\/span><span class=\"nc\">InputStream<\/span> <span class=\"n\">inputStream<\/span> <span class=\"o\">=<\/span> <span class=\"n\">resource<\/span><span class=\"o\">.<\/span><span class=\"na\">getInputStream<\/span><span class=\"o\">())<\/span> <span class=\"o\">{<\/span>\r\n                <span class=\"n\">builder<\/span><span class=\"o\">.<\/span><span class=\"na\">withJsonResource<\/span><span class=\"o\">(<\/span><span class=\"n\">inputStream<\/span><span class=\"o\">);<\/span>\r\n            <span class=\"o\">}<\/span>\r\n        <span class=\"o\">}<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"n\">builder<\/span><span class=\"o\">.<\/span><span class=\"na\">build<\/span><span class=\"o\">();<\/span>\r\n    <span class=\"o\">}<\/span>\r\n\r\n    <span class=\"c1\">\/\/ \u975e\u63a8\u5968\u306aproperty\u304c\u5b58\u5728\u3059\u308b\u304b\u771f\u507d\u5024\u3092\u8fd4\u3059<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"kt\">boolean<\/span> <span class=\"nf\">existsDeprecatedProperty<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"kt\">var<\/span> <span class=\"n\">result<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">false<\/span><span class=\"o\">;<\/span>\r\n        <span class=\"nc\">String<\/span> <span class=\"n\">warningReport<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">report<\/span><span class=\"o\">.<\/span><span class=\"na\">getWarningReport<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"o\">(<\/span><span class=\"n\">warningReport<\/span> <span class=\"o\">!=<\/span> <span class=\"kc\">null<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"na\">warn<\/span><span class=\"o\">(<\/span><span class=\"n\">warningReport<\/span><span class=\"o\">);<\/span>\r\n            <span class=\"n\">result<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">true<\/span><span class=\"o\">;<\/span>\r\n        <span class=\"o\">}<\/span>\r\n\r\n        <span class=\"nc\">String<\/span> <span class=\"n\">errorReport<\/span> <span class=\"o\">=<\/span> <span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">report<\/span><span class=\"o\">.<\/span><span class=\"na\">getErrorReport<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"o\">(<\/span><span class=\"n\">errorReport<\/span> <span class=\"o\">!=<\/span> <span class=\"kc\">null<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"n\">log<\/span><span class=\"o\">.<\/span><span class=\"na\">error<\/span><span class=\"o\">(<\/span><span class=\"n\">errorReport<\/span><span class=\"o\">);<\/span>\r\n            <span class=\"n\">result<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">false<\/span><span class=\"o\">;<\/span>\r\n        <span class=\"o\">}<\/span>\r\n\r\n        <span class=\"k\">return<\/span> <span class=\"n\">result<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u51e0\u4e4e\u662fPropertiesMigrationListener\u7684\u590d\u5236\u7c98\u8d34\uff0c\u4f46\u4e3a\u4e86\u6d4b\u8bd5\u9a8c\u8bc1\uff0c\u6211\u51c6\u5907\u4e86existsDeprecatedProperty()\u3002<\/p>\n<p>\u53e6\u5916\uff0cpackage\u662f\u56fa\u5b9a\u7684org.springframework.boot.context.properties.migrator\u3002<br \/>\n\uff08\u56e0\u4e3a\u4f7f\u7528\u7c7b\u662fpackage private\u7c7b&#8230;\uff09<br \/>\n\u662f\u7684\uff0c\u8fd9\u5c31\u662f\u6211\u6240\u8bf4\u7684\u5f3a\u5236\u7684\u539f\u56e0\u3002<\/p>\n<p>\u6709\u4e86Wrapper\u7c7b\u4e4b\u540e\uff0c\u6211\u4eec\u5c06\u5176\u6ce8\u518c\u4e3aBean\uff0c\u4ee5\u4fbf\u76d1\u542cSpringApplicationEvent\u4e8b\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Configuration<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">TestAutoConfiguration<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"nd\">@Bean<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"nc\">PropertiesMigrationListenerWrapper<\/span> <span class=\"nf\">propertiesMigrationListenerWrapper<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"k\">new<\/span> <span class=\"nf\">PropertiesMigrationListenerWrapper<\/span><span class=\"o\">();<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6700\u5f8c\u662f\u6e2c\u8a66\u985e\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@ExtendWith<\/span><span class=\"o\">(<\/span><span class=\"nc\">SpringExtension<\/span><span class=\"o\">.<\/span><span class=\"na\">class<\/span><span class=\"o\">)<\/span>\r\n<span class=\"nd\">@SpringBootTest<\/span><span class=\"o\">(<\/span><span class=\"n\">classes<\/span> <span class=\"o\">=<\/span> <span class=\"o\">{<\/span><span class=\"nc\">Application<\/span><span class=\"o\">.<\/span><span class=\"na\">class<\/span><span class=\"o\">,<\/span> <span class=\"nc\">TestAutoConfiguration<\/span><span class=\"o\">.<\/span><span class=\"na\">class<\/span><span class=\"o\">})<\/span>\r\n<span class=\"kd\">class<\/span> <span class=\"nc\">PropertyMigrateTest<\/span> <span class=\"o\">{<\/span>\r\n\r\n    <span class=\"nd\">@Autowired<\/span>\r\n    <span class=\"kd\">private<\/span> <span class=\"nc\">PropertiesMigrationListenerWrapper<\/span> <span class=\"n\">migrationListener<\/span><span class=\"o\">;<\/span>\r\n\r\n    <span class=\"nd\">@Test<\/span>\r\n    <span class=\"kt\">void<\/span> <span class=\"nf\">test<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"n\">assertFalse<\/span><span class=\"o\">(<\/span><span class=\"n\">migrationListener<\/span><span class=\"o\">.<\/span><span class=\"na\">existsDeprecatedProperty<\/span><span class=\"o\">());<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u7b80\u4ecb \u6709\u4e00\u4e2a\u65b9\u4fbf\u7684\u5e93\u53eb\u505aspring-boot-properties-migrator\u53ef\u7528\u4e8e\u68c0\u6d4b\u4e0d\u63a8\u8350\u7684\u5c5e\u6027\uff0c [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-40268","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>\u5982\u679c\u4f7f\u7528\u4e86\u4e0d\u63a8\u8350\u7684\u5c5e\u6027\uff0c\u5219\u4f1a\u5bfc\u81f4\u6784\u5efa\u5931\u8d25 - 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\/\u5982\u679c\u4f7f\u7528\u4e86\u4e0d\u63a8\u8350\u7684\u5c5e\u6027\uff0c\u5219\u4f1a\u5bfc\u81f4\u6784\u5efa\u5931\u8d25\u3002\/\" \/>\n<meta property=\"og:locale\" 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