{"id":39682,"date":"2023-12-21T10:09:30","date_gmt":"2023-08-22T09:01:46","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%90%86%e8%a7%a3spring-boot%e7%9a%84autoconfigure%e6%9c%ba%e5%88%b6\/"},"modified":"2024-05-04T14:37:39","modified_gmt":"2024-05-04T06:37:39","slug":"%e7%90%86%e8%a7%a3spring-boot%e7%9a%84autoconfigure%e6%9c%ba%e5%88%b6","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%90%86%e8%a7%a3spring-boot%e7%9a%84autoconfigure%e6%9c%ba%e5%88%b6\/","title":{"rendered":"\u7406\u89e3Spring Boot\u7684AutoConfigure\u673a\u5236"},"content":{"rendered":"<p>\u6211\u60f3\u4ecb\u7ecd\u4e00\u4e0b\u8fd9\u6b21\u7684\u4e3b\u9898\uff0c\u5373Spring Boot\u7684\u4e00\u4e2a\u4e3b\u8981\u529f\u80fdAutoConfigure\u7684\u673a\u5236\u3002<br \/>\n\u4f7f\u7528Spring Boot\uff0c\u5373\u4f7f\u662f\u7b80\u5355\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u5f00\u53d1\u8005\u4e5f\u53ef\u4ee5\u521b\u5efaSpring\u5e94\u7528\u7a0b\u5e8f\u800c\u65e0\u9700\u8fdb\u884cBean\u5b9a\u4e49\u3002\u8fd9\u662fSpring Boot\u7684\u6700\u5927\u7279\u70b9\uff0c\u4f46\u5e76\u4e0d\u610f\u5473\u7740\u5728\u6784\u5efaSpring\u5e94\u7528\u7a0b\u5e8f\u65f6Bean\u5b9a\u4e49\u672c\u8eab\u662f\u4e0d\u5fc5\u8981\u7684\u3002<br \/>\n\u5728Spring Boot\u51fa\u73b0\u4e4b\u524d\uff0c\u5f00\u53d1\u8005\u9700\u8981\u8f9b\u82e6\u5730\u8fdb\u884cBean\u5b9a\u4e49\uff0c\u800c\u73b0\u5728Spring Boot\u63d0\u4f9b\u7684AutoConfigure\u673a\u5236\u53ea\u662f\u4ee3\u66ff\u4e86\u8fd9\u90e8\u5206\u5de5\u4f5c\u800c\u5df2\uff01<\/p>\n<h1>\u524d\u63d0\u7684\u7248\u672c de<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Spring Boot 1.4.1.BUILD-SNAPSHOT (\u6295\u7a3f\u6642\u70b9\u306e\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8)<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Spring Framework 4.3.3.BUILD-SNAPSHOT (\u6295\u7a3f\u6642\u70b9\u306e\u30b9\u30ca\u30c3\u30d7\u30b7\u30e7\u30c3\u30c8)<\/ul>\n<h1>AutoConfigure \u662f\u4ec0\u4e48?<\/h1>\n<p>AutoConfigure\u662fSpring Boot\u63d0\u4f9b\u7684\u4e00\u79cd\u673a\u5236\uff0c\u7528\u4e8e\u5728\u4f7f\u7528Spring\u7684\u5404\u79cd\u9879\u76ee\uff08\u4f8b\u5982Spring Framework\uff08Spring MVC\uff09\u3001Spring Security\u3001Spring Data\u3001Spring Cloud\u3001Spring Integration\u3001Spring Batch\u7b49\uff09\u548c\u7b2c\u4e09\u65b9\u5f00\u6e90\u5e93\u65f6\u81ea\u52a8\u5b9a\u4e49Bean\u3002\u867d\u7136\u6211\u7528\u4e86\u201c\u81ea\u52a8\u201d\u4e00\u8bcd\u6765\u8868\u8fbe\uff0c\u4f46\u66f4\u51c6\u786e\u7684\u8868\u8ff0\u662f&#8230; Spring Boot\u4f1a\u5bfc\u5165\u9884\u5148\u51c6\u5907\u597d\u7684AutoConfigure\u7528\u7684Bean\u5b9a\u4e49\u6587\u4ef6\uff08\u914d\u7f6e\u7c7b\uff09\uff0c\u5e76\u6839\u636e\u5bfc\u5165\u7684\u914d\u7f6e\u7c7b\u7684\u5b9a\u4e49\u8fdb\u884cBean\u7684\u5b9a\u4e49\u3002<br \/>\n\u6b64\u5916\uff0cSpring Boot\u63d0\u4f9b\u7684AutoConfigure\u914d\u7f6e\u7c7b\u8fd8\u5177\u6709\u4e00\u4e2a\u7279\u70b9\uff0c\u53ea\u6709\u5728\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u65f6\uff08\u4f8b\u5982\uff0c\u6307\u5b9a\u7684\u7c7b\u5b58\u5728\u4e8e\u7c7b\u8def\u5f84\u4e0a\u3001\u6307\u5b9a\u7c7b\u7684Bean\u672a\u5b9a\u4e49\u7b49\u7b49\uff09\u624d\u4f1a\u5e94\u7528Bean\u5b9a\u4e49\u3002<\/p>\n<p>\u53e6\u5916\uff0c&#8221;\u5bfc\u5165\u914d\u7f6e\u7c7b\u7684\u673a\u5236&#8221;\u548c&#8221;\u53ea\u5728\u7279\u5b9a\u6761\u4ef6\u4e0b\u5e94\u7528Bean\u5b9a\u4e49\u7684\u673a\u5236&#8221;\u672c\u8eab\u90fd\u4e0d\u662fSpring Boot\u7684\u539f\u521b\u529f\u80fd\uff0c\u800c\u662f\u7531Spring Framework\u63d0\u4f9b\u7684\u529f\u80fd\u3002<\/p>\n<h1>\u81ea\u52a8\u914d\u7f6e\u7684\u673a\u5236<\/h1>\n<p>\u8ba9\u6211\u4eec\u4ee5\u901a\u8fc7\u4f7f\u7528SPRING INITIALIZR\u521b\u5efa\u7684\u9879\u76ee\u6e90\u4ee3\u7801\u4e3a\u4f8b\uff0c\u770b\u4e00\u4e0b\u914d\u7f6e\u7c7b\u662f\u5982\u4f55\u5bfc\u5165\u548c\u8fdb\u884cBean\u5b9a\u4e49\u7684\u3002<\/p>\n<p>\u5927\u81f4\u4e0a\u7684\u6982\u5ff5\u56fe\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d3c2e37434c4406c83c3e\/9-0.png\" alt=\"autoconfigure.png\" \/><\/div>\n<h2>\u6307\u5b9a\u914d\u7f6e\u7c7b<\/h2>\n<p>\u4f7f\u7528SPRING INITIALIZR\u521b\u5efa\u9879\u76ee\u65f6\uff0c\u4f1a\u521b\u5efa\u4e00\u4e2a\u5177\u6709\u4ee5\u4e0bmain\u65b9\u6cd5\u7684\u7c7b\u3002\u9996\u5148\u9700\u8981\u7559\u610f\u7684\u662fSpringApplication\u7c7b\u7684run\u65b9\u6cd5\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u3002\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f\u7528\u4e8e\u751f\u6210\u4f9d\u8d56\u6ce8\u5165\u5bb9\u5668\u7684\u914d\u7f6e\u7c7b\uff08\u88ab\u6ce8\u89e3@Configuration\u4fee\u9970\u7684\u7c7b\uff09\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">package<\/span> <span class=\"nn\">com.example<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.springframework.boot.SpringApplication<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.springframework.boot.autoconfigure.SpringBootApplication<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"nd\">@SpringBootApplication<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">SpringBootDemoApplication<\/span> <span class=\"o\">{<\/span>\r\n\r\n    <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"nc\">SpringApplication<\/span><span class=\"o\">.<\/span><span class=\"na\">run<\/span><span class=\"o\">(<\/span><span class=\"nc\">SpringBootDemoApplication<\/span><span class=\"o\">.<\/span><span class=\"na\">class<\/span><span class=\"o\">,<\/span> <span class=\"n\">args<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"o\">}<\/span>\r\n\r\n<span class=\"o\">}<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u54ce\u5440&#8230;\u7b2c\u4e00\u4e2a\u53c2\u6570\u4f20\u9012\u7ed9SpringBootDemoApplication\u7c7b\u6ca1\u6709@Configuration\u6ce8\u89e3\u554a&#8230;\u4f46\u662f\u53d6\u800c\u4ee3\u4e4b\u7684\u662f@SpringBootApplication\u6ce8\u89e3\u3002\u90a3\u4e48\uff0c\u8ba9\u6211\u4eec\u6765\u770b\u770b@SpringBootApplication\u7684\u6e90\u4ee3\u7801\u5427\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ ...<\/span>\r\n<span class=\"nd\">@SpringBootConfiguration<\/span>\r\n<span class=\"nd\">@EnableAutoConfiguration<\/span>\r\n<span class=\"nd\">@ComponentScan<\/span><span class=\"o\">(<\/span><span class=\"n\">excludeFilters<\/span> <span class=\"o\">=<\/span> <span class=\"nd\">@Filter<\/span><span class=\"o\">(<\/span><span class=\"n\">type<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">FilterType<\/span><span class=\"o\">.<\/span><span class=\"na\">CUSTOM<\/span><span class=\"o\">,<\/span> <span class=\"n\">classes<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">TypeExcludeFilter<\/span><span class=\"o\">.<\/span><span class=\"na\">class<\/span><span class=\"o\">))<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"nd\">@interface<\/span> <span class=\"nc\">SpringBootApplication<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"c1\">\/\/ ...<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u55ef\uff0c\u8fd9\u91cc\u867d\u7136\u6ca1\u6709\u4f7f\u7528@Configuration\u6ce8\u89e3\uff0c\u4f46\u6839\u636e\u540d\u79f0\u6765\u770b\uff0c\u597d\u50cf\u6709\u70b9\u53ef\u7591\u7684@SpringBootConfiguration\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ ...<\/span>\r\n<span class=\"nd\">@Configuration<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"nd\">@interface<\/span> <span class=\"nc\">SpringBootConfiguration<\/span> <span class=\"o\">{<\/span>\r\n\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u54e6~\u7d42\u65bc\u627e\u5230\u4e86@Configuration\u3002\u5982\u6211\u6240\u8ff0\uff0c\u5373\u4f7f\u4e0d\u76f4\u63a5\u5728@Configuration\u4e0a\u6a19\u8a3b\uff0c\u53ea\u8981\u5728\u6307\u5b9a\u7684\u8a3b\u89e3\u5167\u7684\u67d0\u8655\u6a19\u8a3b\u4e86@Configuration\uff0c\u8a72\u985e\u5c07\u88ab\u8996\u70ba\u914d\u7f6e\u985e\u3002<\/p>\n<h2>\u542f\u7528AutoConfigure<\/h2>\n<p>\u5982\u679c\u8981\u4f7f\u7528AutoConfigure\uff0c\u8be5\u600e\u4e48\u505a\u5462\uff1f<br \/>\n\u4f7f\u7528AutoConfigure\u65f6\uff0c\u5c06@EnableAutoConfiguration\u9644\u52a0\u5230\u4f20\u9012\u7ed9run\u65b9\u6cd5\u7684\u914d\u7f6e\u7c7b\u7684\u53c2\u6570\u4e2d\u3002\u503c\u5f97\u6ce8\u610f\u7684\u662f\uff0c@EnableAutoConfiguration\u4e5f\u88ab\u9644\u52a0\u5230@SpringBootApplication\u4e0a\uff0c\u56e0\u6b64\u4ec5\u5c06@SpringBootApplication\u9644\u52a0\u5230\u914d\u7f6e\u7c7b\u4e0a\u5373\u53ef\u542f\u7528AutoConfigure\u3002<\/p>\n<h2>\u8981\u5bfc\u5165\u7684\u914d\u7f6e\u7c7b\u662f\u4ec0\u4e48\uff1f<\/h2>\n<p>\u5f53\u6211\u4eec\u542f\u7528AutoConfigure\u529f\u80fd\u540e\uff0cSpring Boot\u4f1a\u81ea\u52a8\u5bfc\u5165\u63d0\u4f9b\u7684AutoConfigure\u914d\u7f6e\u7c7b\u3002\u4f46\u662f\uff0c\u8981\u4e86\u89e3\u5bfc\u5165\u7684\u914d\u7f6e\u7c7b\u662f\u5982\u4f55\u786e\u5b9a\u7684\uff0c\u6211\u4eec\u9700\u8981\u9996\u5148\u67e5\u770b@EnableAutoConfiguration\u7684\u6e90\u4ee3\u7801\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\">\/\/ ...<\/span>\r\n<span class=\"nd\">@Import<\/span><span class=\"o\">(<\/span><span class=\"nc\">EnableAutoConfigurationImportSelector<\/span><span class=\"o\">.<\/span><span class=\"na\">class<\/span><span class=\"o\">)<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"nd\">@interface<\/span> <span class=\"nc\">EnableAutoConfiguration<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"c1\">\/\/ ...<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>@EnableAutoConfiguration\u8fd9\u4e2a\u6ce8\u89e3\u4f7f\u7528@Import\u6ce8\u89e3\u6307\u5b9a\u4e86\u53e6\u4e00\u4e2a\u914d\u7f6e\u7c7b\u7684\u5bfc\u5165\u3002\u5bfc\u5165\u7684\u914d\u7f6e\u7c7b\u7531org.springframework.boot.autoconfigure.EnableAutoConfigurationImportSelector\u7c7b\u7684\u5b9e\u73b0\u6765\u786e\u5b9a\u3002<br \/>\nEnableAutoConfigurationImportSelector\u7684\u5b9e\u73b0\u4f1a\u4ece\u7c7b\u8def\u5f84\u7684\/META-INF\/spring.factories\u83b7\u53d6\u8981\u5bfc\u5165\u7684\u914d\u7f6e\u7c7b\uff0c\u4ee5\u4e0b\u914d\u7f6e\u7c7b\u6210\u4e3a\u5bfc\u5165\u7684\u76ee\u6807\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\"># ...\r\n<\/span>\r\n<span class=\"c\"># Auto Configure\r\n<\/span><span class=\"py\">org.springframework.boot.autoconfigure.EnableAutoConfiguration<\/span><span class=\"p\">=<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.admin.SpringApplicationAdminJmxAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.aop.AopAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.amqp.RabbitAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.MessageSourceAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.PropertyPlaceholderAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.batch.BatchAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.cache.CacheAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.cassandra.CassandraAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.cloud.CloudAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.context.ConfigurationPropertiesAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.couchbase.CouchbaseAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.dao.PersistenceExceptionTranslationAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.data.cassandra.CassandraDataAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.data.cassandra.CassandraRepositoriesAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.data.couchbase.CouchbaseDataAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.data.couchbase.CouchbaseRepositoriesAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.data.elasticsearch.ElasticsearchAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.data.elasticsearch.ElasticsearchDataAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.data.elasticsearch.ElasticsearchRepositoriesAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.data.jpa.JpaRepositoriesAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.data.mongo.MongoDataAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.data.mongo.MongoRepositoriesAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.data.neo4j.Neo4jDataAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.data.neo4j.Neo4jRepositoriesAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.data.solr.SolrRepositoriesAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.data.redis.RedisAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.data.redis.RedisRepositoriesAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.data.rest.RepositoryRestMvcAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.data.web.SpringDataWebAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.elasticsearch.jest.JestAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.freemarker.FreeMarkerAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.gson.GsonAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.h2.H2ConsoleAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.hateoas.HypermediaAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.hazelcast.HazelcastAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.hazelcast.HazelcastJpaDependencyAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.info.ProjectInfoAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.integration.IntegrationAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.jdbc.JdbcTemplateAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.jdbc.JndiDataSourceAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.jdbc.XADataSourceAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.jdbc.DataSourceTransactionManagerAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.jms.JmsAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.jmx.JmxAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.jms.JndiConnectionFactoryAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.jms.activemq.ActiveMQAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.jms.artemis.ArtemisAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.jms.hornetq.HornetQAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.flyway.FlywayAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.groovy.template.GroovyTemplateAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.jersey.JerseyAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.jooq.JooqAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.liquibase.LiquibaseAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.mail.MailSenderAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.mail.MailSenderValidatorAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.mobile.DeviceResolverAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.mobile.DeviceDelegatingViewResolverAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.mobile.SitePreferenceAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.mongo.embedded.EmbeddedMongoAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.mongo.MongoAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.mustache.MustacheAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.reactor.ReactorAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.security.SecurityAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.security.SecurityFilterAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.security.FallbackWebSecurityAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.security.oauth2.OAuth2AutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.sendgrid.SendGridAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.session.SessionAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.social.SocialWebAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.social.FacebookAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.social.LinkedInAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.social.TwitterAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.solr.SolrAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.velocity.VelocityAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.thymeleaf.ThymeleafAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.transaction.TransactionAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.transaction.jta.JtaAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.web.DispatcherServletAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.web.EmbeddedServletContainerAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.web.ErrorMvcAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.web.HttpEncodingAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.web.HttpMessageConvertersAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.web.MultipartAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.web.ServerPropertiesAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.web.WebClientAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.websocket.WebSocketAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.websocket.WebSocketMessagingAutoConfiguration,<\/span><span class=\"se\">\\\r\n<\/span><span class=\"s\">org.springframework.boot.autoconfigure.webservices.WebServicesAutoConfiguration<\/span>\r\n\r\n<span class=\"c\"># ...\r\n<\/span>\r\n<\/code><\/pre>\n<h2>\u63a7\u5236\u5e94\u7528\u987a\u5e8f<\/h2>\n<p>\u63a7\u5236\u5e94\u7528AutoConfigure\u914d\u7f6e\u7c7b\u7684\u987a\u5e8f\u53ef\u4ee5\u4f7f\u7528@AutoConfigureAfter\u3001@AutoConfigureBefore\u3001@AutoConfigureOrder\u3002\u5982\u679c\u4e0e\u5176\u4ed6\u914d\u7f6e\u7c7b\u7684Bean\u5b9a\u4e49\u5b58\u5728\u4f9d\u8d56\u5173\u7cfb\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u6ce8\u89e3\u6765\u4fdd\u8bc1Bean\u5b9a\u4e49\u7684\u987a\u5e8f\u6027\u3002<\/p>\n<h2>\u4eceAutoConfigure\u7684\u76ee\u6807\u4e2d\u6392\u9664<\/h2>\n<p>\u5982\u679c\u60f3\u8981\u4eceAutoConfigure\u7684\u5e94\u7528\u76ee\u6807\u4e2d\u6392\u9664\u7279\u5b9a\u7684\u914d\u7f6e\u7c7b\uff0c\u53ef\u4ee5\u4f7f\u7528@SpringBootApplication\u7684exclude\u6216excludeName\u5c5e\u6027\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@SpringBootApplication<\/span><span class=\"o\">(<\/span><span class=\"n\">exclude<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">DataSourceAutoConfiguration<\/span><span class=\"o\">.<\/span><span class=\"na\">class<\/span><span class=\"o\">)<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">SpringBootDemoApplication<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"c1\">\/\/ ...<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6216\u8005<\/p>\n<p>\u60a8\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5c5e\u6027\u6765\u6307\u5b9a\u8981\u6392\u9664\u7684\u5bf9\u8c61\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"py\">spring.autoconfigure.exclude<\/span><span class=\"p\">=<\/span><span class=\"s\">...<\/span>\r\n<\/code><\/pre>\n<h2>\u4f7f\u7528\u5c5e\u6027\u7981\u7528\u81ea\u52a8\u914d\u7f6e\u3002<\/h2>\n<p>\u867d\u7136\u6211\u89c9\u5f97\u4f60\u53ef\u80fd\u4e0d\u5e38\u7528\u5b83\uff0c\u4f46\u662f\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5c5e\u6027\u6765\u7981\u7528AutoConfigure\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"py\">spring.boot.enableautoconfiguration<\/span><span class=\"p\">=<\/span><span class=\"s\">false<\/span>\r\n<\/code><\/pre>\n<h1>\u6761\u4ef6Bean\u7684\u5b9a\u4e49\u673a\u5236<\/h1>\n<p>\u867d\u7136Spring Boot\u9ed8\u8ba4\u63d0\u4f9b\u4e86\u5f88\u591a\u7528\u4e8e\u81ea\u52a8\u914d\u7f6e\u7684\u914d\u7f6e\u7c7b\uff0c\u4f46\u662f\u8fd9\u4e9b\u7c7b\u5b9e\u9645\u4e0a\u662f\u5426\u603b\u662f\u88ab\u5e94\u7528\u5462\uff1f\u6211\u5728\u5f00\u5934\u7b80\u8981\u63d0\u5230\u8fc7\uff0c\u5927\u591a\u6570\u914d\u7f6e\u7c7b\u53ea\u5728\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u65f6\u624d\u4f1a\u751f\u6548\u3002<\/p>\n<h2>\u4f7f\u7528@Conditional\u8fdb\u884c\u6761\u4ef6\u5316\u7684Bean\u5b9a\u4e49<\/h2>\n<p>\u9996\u5148\uff0c\u8ba9\u6211\u4eec\u7b80\u5355\u89e3\u91ca\u4e00\u4e0b\u6761\u4ef6Bean\u5b9a\u4e49\u662f\u5982\u4f55\u5b9e\u73b0\u7684\u3002<br \/>\nSpring Framework\u63d0\u4f9b\u4e86\u4e00\u79cd\u673a\u5236\uff0c\u5728\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u65f6\u624d\u80fd\u542f\u7528Bean\u5b9a\u4e49\uff0c\u5e76\u4f7f\u7528\u6ce8\u89e3@org.springframework.context.annotation.Conditional\u6765\u6307\u5b9a\u542f\u7528Bean\u5b9a\u4e49\u7684\u6761\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Retention<\/span><span class=\"o\">(<\/span><span class=\"nc\">RetentionPolicy<\/span><span class=\"o\">.<\/span><span class=\"na\">RUNTIME<\/span><span class=\"o\">)<\/span>\r\n<span class=\"nd\">@Target<\/span><span class=\"o\">({<\/span><span class=\"nc\">ElementType<\/span><span class=\"o\">.<\/span><span class=\"na\">TYPE<\/span><span class=\"o\">,<\/span> <span class=\"nc\">ElementType<\/span><span class=\"o\">.<\/span><span class=\"na\">METHOD<\/span><span class=\"o\">})<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"nd\">@interface<\/span> <span class=\"nc\">Conditional<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"nc\">Class<\/span><span class=\"o\">&lt;?<\/span> <span class=\"kd\">extends<\/span> <span class=\"nc\">Condition<\/span><span class=\"o\">&gt;[]<\/span> <span class=\"nf\">value<\/span><span class=\"o\">();<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>@Conditional\u53ef\u4ee5\u5728\u7c7b\u7ea7\u522b\u548c\u65b9\u6cd5\u7ea7\u522b\u4e0a\u4f7f\u7528\uff0c\u5e76\u4e14\u5177\u4f53\u7684\u6761\u4ef6\u662f\u901a\u8fc7\u5b9e\u73b0org.springframework.context.annotation.Condition\u63a5\u53e3\u7684matches\u65b9\u6cd5\u6765\u5b9e\u73b0\u7684\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">public<\/span> <span class=\"kd\">interface<\/span> <span class=\"nc\">Condition<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"kt\">boolean<\/span> <span class=\"nf\">matches<\/span><span class=\"o\">(<\/span><span class=\"nc\">ConditionContext<\/span> <span class=\"n\">context<\/span><span class=\"o\">,<\/span> <span class=\"nc\">AnnotatedTypeMetadata<\/span> <span class=\"n\">metadata<\/span><span class=\"o\">);<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u4e2a\u673a\u5236\u5728Spring\u6846\u67b6\u7684\u6838\u5fc3\u529f\u80fd\u4e2d\u4f7f\u7528\uff0c\u4f60\u77e5\u9053\u5b83\u5728\u54ea\u4e2a\u529f\u80fd\u4e2d\u4f7f\u7528\u5417\uff1f\u53ef\u80fdSpring\u7684\u91cd\u5ea6\u7528\u6237\u53ef\u80fd\u5df2\u7ecf\u6709\u6240\u4e86\u89e3\uff0c\u7b54\u6848\u662f\u201cProfile\u529f\u80fd\u201d\u3002Spring\u6846\u67b6\u652f\u6301\u6839\u636e\u4e0d\u540c\u7684\u914d\u7f6e\u6587\u4ef6\u8fdb\u884cBean\u5b9a\u4e49\u7684\u673a\u5236\uff0c\u5e76\u4e14\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\u4f7f\u7528\u7684\u6ce8\u89e3\u662f@Profile\u3002<\/p>\n<h2>\u4f7f\u7528@Profile\u6ce8\u89e3\u6765\u8fdb\u884c\u6709\u6761\u4ef6\u7684Bean\u5b9a\u4e49<\/h2>\n<p>\u867d\u7136\u79bb\u5f00\u4e86Spring Boot\u7684AutoConfigure\u8bdd\u9898\uff0c\u4f46\u8ba9\u6211\u4eec\u7b80\u5355\u4ecb\u7ecd\u4e00\u4e0b\u4e0e\u6761\u4ef6\u5316Bean\u5b9a\u4e49\u5bc6\u5207\u76f8\u5173\u7684@Profile\u6ce8\u89e3\u3002\u9996\u5148\uff0c\u8ba9\u6211\u4eec\u770b\u4e00\u4e0b@Profile\u7684\u6e90\u4ee3\u7801\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Retention<\/span><span class=\"o\">(<\/span><span class=\"nc\">RetentionPolicy<\/span><span class=\"o\">.<\/span><span class=\"na\">RUNTIME<\/span><span class=\"o\">)<\/span>\r\n<span class=\"nd\">@Target<\/span><span class=\"o\">({<\/span><span class=\"nc\">ElementType<\/span><span class=\"o\">.<\/span><span class=\"na\">TYPE<\/span><span class=\"o\">,<\/span> <span class=\"nc\">ElementType<\/span><span class=\"o\">.<\/span><span class=\"na\">METHOD<\/span><span class=\"o\">})<\/span>\r\n<span class=\"nd\">@Documented<\/span>\r\n<span class=\"nd\">@Conditional<\/span><span class=\"o\">(<\/span><span class=\"nc\">ProfileCondition<\/span><span class=\"o\">.<\/span><span class=\"na\">class<\/span><span class=\"o\">)<\/span> <span class=\"c1\">\/\/ \u3053\u3053\u304c\u30dd\u30a4\u30f3\u30c8<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"nd\">@interface<\/span> <span class=\"nc\">Profile<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"nf\">value<\/span><span class=\"o\">();<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5f53\u67e5\u770b@Profile\u7684\u6e90\u4ee3\u7801\u65f6\uff0c\u53ef\u4ee5\u770b\u5230\u5b83\u4f5c\u4e3a\u5143\u6ce8\u91ca\u6307\u5b9a\u4e86@Conditional\uff0c\u5e76\u4e14\u88ab\u6ce8\u89e3\u4e3a@Profile\u7684\u7c7b\u6216\u65b9\u6cd5\u5c06\u5904\u4e8e\u6709\u6761\u4ef6\u7684Bean\u5b9a\u4e49\u7ba1\u7406\u4e0b\u3002\u6b63\u597d\uff0c\u8ba9\u6211\u4eec\u4e5f\u6765\u770b\u770b@Profile\u9002\u7528\u7684\u5177\u4f53\u6761\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">class<\/span> <span class=\"nc\">ProfileCondition<\/span> <span class=\"kd\">implements<\/span> <span class=\"nc\">Condition<\/span> <span class=\"o\">{<\/span>\r\n\r\n    <span class=\"nd\">@Override<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"kt\">boolean<\/span> <span class=\"nf\">matches<\/span><span class=\"o\">(<\/span><span class=\"nc\">ConditionContext<\/span> <span class=\"n\">context<\/span><span class=\"o\">,<\/span> <span class=\"nc\">AnnotatedTypeMetadata<\/span> <span class=\"n\">metadata<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"o\">(<\/span><span class=\"n\">context<\/span><span class=\"o\">.<\/span><span class=\"na\">getEnvironment<\/span><span class=\"o\">()<\/span> <span class=\"o\">!=<\/span> <span class=\"kc\">null<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n            <span class=\"nc\">MultiValueMap<\/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=\"n\">attrs<\/span> <span class=\"o\">=<\/span> <span class=\"n\">metadata<\/span><span class=\"o\">.<\/span><span class=\"na\">getAllAnnotationAttributes<\/span><span class=\"o\">(<\/span><span class=\"nc\">Profile<\/span><span class=\"o\">.<\/span><span class=\"na\">class<\/span><span class=\"o\">.<\/span><span class=\"na\">getName<\/span><span class=\"o\">());<\/span>\r\n            <span class=\"k\">if<\/span> <span class=\"o\">(<\/span><span class=\"n\">attrs<\/span> <span class=\"o\">!=<\/span> <span class=\"kc\">null<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n                <span class=\"k\">for<\/span> <span class=\"o\">(<\/span><span class=\"nc\">Object<\/span> <span class=\"n\">value<\/span> <span class=\"o\">:<\/span> <span class=\"n\">attrs<\/span><span class=\"o\">.<\/span><span class=\"na\">get<\/span><span class=\"o\">(<\/span><span class=\"s\">\"value\"<\/span><span class=\"o\">))<\/span> <span class=\"o\">{<\/span>\r\n                    <span class=\"k\">if<\/span> <span class=\"o\">(<\/span><span class=\"n\">context<\/span><span class=\"o\">.<\/span><span class=\"na\">getEnvironment<\/span><span class=\"o\">().<\/span><span class=\"na\">acceptsProfiles<\/span><span class=\"o\">(((<\/span><span class=\"nc\">String<\/span><span class=\"o\">[])<\/span> <span class=\"n\">value<\/span><span class=\"o\">)))<\/span> <span class=\"o\">{<\/span>\r\n                        <span class=\"k\">return<\/span> <span class=\"kc\">true<\/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=\"kc\">false<\/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=\"kc\">true<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"o\">}<\/span>\r\n\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u603b\u7684\u6765\u8bf4\uff0c\u5f53@Profile\u6ce8\u89e3\u7684value\u5c5e\u6027\u6307\u5b9a\u7684\u914d\u7f6e\u6587\u4ef6\u5305\u542b\u5728DI\u5bb9\u5668\u7ba1\u7406\u7684\u6d3b\u52a8\u914d\u7f6e\u6587\u4ef6\u4e2d\u65f6\uff0cBean\u5b9a\u4e49\u624d\u4f1a\u751f\u6548\u3002<br \/>\n\u4f8b\u5982\uff0c\u5982\u679c\u9700\u8981\u5207\u6362\u5546\u4e1a\u73af\u5883\u4f7f\u7528\u7684Bean\u548c\u7cfb\u7edf\u96c6\u6210\u6d4b\u8bd5\u73af\u5883\u4f7f\u7528\u7684Bean\uff0c\u53ef\u4ee5\u901a\u8fc7\u521b\u5efa\u4e0b\u9762\u7684\u914d\u7f6e\u7c7b\u6765\u5b9e\u73b0\u76f8\u5e94\u7684\u5207\u6362\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Configuration<\/span>\r\n<span class=\"nd\">@Profile<\/span><span class=\"o\">(<\/span><span class=\"s\">\"production\"<\/span><span class=\"o\">)<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">ProductionConfig<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"c1\">\/\/ ...<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Configuration<\/span>\r\n<span class=\"nd\">@Profile<\/span><span class=\"o\">(<\/span><span class=\"s\">\"it\"<\/span><span class=\"o\">)<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">IntegrationTestConfig<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"c1\">\/\/ ...<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u7136\u800c\uff0c\u5bf9\u4e8eDI\u5bb9\u5668\uff0c\u6709\u5f88\u591a\u65b9\u6cd5\u53ef\u4ee5\u6307\u5b9a\u6d3b\u52a8\u914d\u7f6e\u6587\u4ef6\uff0c\u4f46\u901a\u5e38\u4f7f\u7528Java\u865a\u62df\u673a\u7684\u7cfb\u7edf\u5c5e\u6027\uff08-Dspring.profiles.active\uff09\u6765\u6307\u5b9a\u3002<\/p>\n<pre class=\"post-pre\"><code>java -Dspring.profiles.active=production ...\r\n<\/code><\/pre>\n<h2>Spring Boot\u63d0\u4f9b\u4e86\u4e00\u4e2a\u540d\u4e3a@Conditional\u7684\u590d\u5408\u6ce8\u89e3\u3002<\/h2>\n<p>Spring Boot\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u5408\u6210\u6ce8\u89e3\u6765\u8868\u8fbe\u5728\u652f\u6301AutoConfigure\u673a\u5236\u65f6\u6240\u9700\u7684\u201c\u6761\u4ef6\u201d\u3002Spring Boot\u901a\u8fc7\u8fd9\u4e9b\u6ce8\u89e3\u5728\u63d0\u4f9b\u7684AutoConfigure\u914d\u7f6e\u7c7b\u4e2d\u7075\u6d3b\u5730\u5b9a\u4e49Bean\u7684\u5b9a\u4e49\u3002<\/p>\n<div>\n<div class=\"post-table\">\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u8aac\u660e<code>@ConditionalOnClass<\/code>\u6307\u5b9a\u3057\u305f\u30af\u30e9\u30b9\u304c\u30af\u30e9\u30b9\u30d1\u30b9\u4e0a\u306b\u5b58\u5728\u3059\u308b\u5834\u5408\u306b\u9069\u7528\u3055\u308c\u308b\u3002<code>@ConditionalOnMissingClass<\/code>\u6307\u5b9a\u3057\u305f\u30af\u30e9\u30b9\u304c\u30af\u30e9\u30b9\u30d1\u30b9\u4e0a\u306b\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306b\u9069\u7528\u3055\u308c\u308b\u3002<code>@ConditionalOnBean<\/code>\u6307\u5b9a\u3057\u305f\u578b\u3084\u540d\u524d\u306eBean\u304cDI\u30b3\u30f3\u30c6\u30ca\u4e0a\u306b\u5b58\u5728\u3059\u308b\u5834\u5408\u306b\u9069\u7528\u3055\u308c\u308b\u3002<code>@ConditionalOnMissingBean<\/code>\u6307\u5b9a\u3057\u305f\u578b\u3084\u540d\u524d\u306eBean\u304cDI\u30b3\u30f3\u30c6\u30ca\u4e0a\u306b\u5b58\u5728\u3057\u306a\u3044\u5834\u5408\u306b\u9069\u7528\u3055\u308c\u308b\u3002<code>@ConditionalOnSingleCandidate<\/code>\u6307\u5b9a\u3057\u305f\u578b\u3084\u540d\u524d\u306eBean\u304cDI\u30b3\u30f3\u30c6\u30ca\u4e0a\u306b1\u3064(or <code>@Primary<\/code>\u304c\u4ed8\u4e0e\u3055\u308c\u305fBean\u304c1\u3064)\u5b58\u5728\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u9069\u7528\u3055\u308c\u308b\u3002<code>@ConditionalOnExpression<\/code>\u6307\u5b9a\u3057\u305fSpEL\u306e\u8a55\u4fa1\u7d50\u679c\u304c<code>true<\/code>\u306b\u306a\u308b\u5834\u5408\u306b\u9069\u7528\u3055\u308c\u308b\u3002<code>@ConditionalOnProperty<\/code>\u30d7\u30ed\u30d1\u30c6\u30a3\u5024\u304c\u6307\u5b9a\u3057\u305f\u5024\u3068\u4e00\u81f4\u3059\u308b\u5834\u5408\u306b\u9069\u7528\u3055\u308c\u308b\u3002\u306a\u304a\u3001\u30d7\u30ed\u30d1\u30c6\u30a3\u304c\u672a\u5b9a\u7fa9\u306e\u5834\u5408\u306b\u9069\u7528\u5bfe\u8c61\u3068\u3059\u308b\u304b\u5426\u304b\u306f\u3001\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u5c5e\u6027\u5024\u3067\u6307\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<code>@ConditionalOnResource<\/code>\u6307\u5b9a\u3057\u305f\u30ea\u30bd\u30fc\u30b9(\u30d5\u30a1\u30a4\u30eb\u306a\u3069)\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u306b\u9069\u7528\u3055\u308c\u308b\u3002<code>@ConditionalOnJndi<\/code>\u6307\u5b9a\u3057\u305fJNDI\u540d\u306b\u5bfe\u5fdc\u3059\u308b\u30ea\u30bd\u30fc\u30b9\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u306b\u9069\u7528\u3055\u308c\u308b\u3002<code>@ConditionalOnJava<\/code>\u6307\u5b9a\u3057\u305fJava\u30d0\u30fc\u30b8\u30e7\u30f3\u4e0a\u3067\u52d5\u4f5c\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u9069\u7528\u3055\u308c\u308b\u3002<code>@ConditionalOnWebApplication<\/code>Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u74b0\u5883\u3067\u52d5\u4f5c\u3057\u3066\u3044\u308b\u5834\u5408\u306b\u9069\u7528\u3055\u308c\u308b\u3002<code>@ConditionalOnNotWebApplication<\/code>Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u74b0\u5883\u3067\u52d5\u4f5c\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u306b\u9069\u7528\u3055\u308c\u308b\u3002<\/div>\n<\/div>\n<p>\u5982\u679c\u6211\u4eec\u770b\u4e00\u4e0bSpring Boot\u63d0\u4f9b\u7684JdbcTemplate\u7684\u914d\u7f6e\u7c7b\uff0c\u5b83\u7684Bean\u5b9a\u4e49\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Configuration<\/span>\r\n<span class=\"nd\">@ConditionalOnClass<\/span><span class=\"o\">({<\/span> <span class=\"nc\">DataSource<\/span><span class=\"o\">.<\/span><span class=\"na\">class<\/span><span class=\"o\">,<\/span> <span class=\"nc\">JdbcTemplate<\/span><span class=\"o\">.<\/span><span class=\"na\">class<\/span> <span class=\"o\">})<\/span> <span class=\"c1\">\/\/ (1)<\/span>\r\n<span class=\"nd\">@ConditionalOnSingleCandidate<\/span><span class=\"o\">(<\/span><span class=\"nc\">DataSource<\/span><span class=\"o\">.<\/span><span class=\"na\">class<\/span><span class=\"o\">)<\/span> <span class=\"c1\">\/\/ (2)<\/span>\r\n<span class=\"nd\">@AutoConfigureAfter<\/span><span class=\"o\">(<\/span><span class=\"nc\">DataSourceAutoConfiguration<\/span><span class=\"o\">.<\/span><span class=\"na\">class<\/span><span class=\"o\">)<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">JdbcTemplateAutoConfiguration<\/span> <span class=\"o\">{<\/span>\r\n\r\n    <span class=\"kd\">private<\/span> <span class=\"kd\">final<\/span> <span class=\"nc\">DataSource<\/span> <span class=\"n\">dataSource<\/span><span class=\"o\">;<\/span>\r\n\r\n    <span class=\"kd\">public<\/span> <span class=\"nf\">JdbcTemplateAutoConfiguration<\/span><span class=\"o\">(<\/span><span class=\"nc\">DataSource<\/span> <span class=\"n\">dataSource<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">dataSource<\/span> <span class=\"o\">=<\/span> <span class=\"n\">dataSource<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"o\">}<\/span>\r\n\r\n    <span class=\"nd\">@Bean<\/span>\r\n    <span class=\"nd\">@Primary<\/span>\r\n    <span class=\"nd\">@ConditionalOnMissingBean<\/span><span class=\"o\">(<\/span><span class=\"nc\">JdbcOperations<\/span><span class=\"o\">.<\/span><span class=\"na\">class<\/span><span class=\"o\">)<\/span> <span class=\"c1\">\/\/ (3)<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"nc\">JdbcTemplate<\/span> <span class=\"nf\">jdbcTemplate<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"k\">new<\/span> <span class=\"nf\">JdbcTemplate<\/span><span class=\"o\">(<\/span><span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">dataSource<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"o\">}<\/span>\r\n\r\n    <span class=\"nd\">@Bean<\/span>\r\n    <span class=\"nd\">@Primary<\/span>\r\n    <span class=\"nd\">@ConditionalOnMissingBean<\/span><span class=\"o\">(<\/span><span class=\"nc\">NamedParameterJdbcOperations<\/span><span class=\"o\">.<\/span><span class=\"na\">class<\/span><span class=\"o\">)<\/span> <span class=\"c1\">\/\/ (4)<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"nc\">NamedParameterJdbcTemplate<\/span> <span class=\"nf\">namedParameterJdbcTemplate<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"k\">new<\/span> <span class=\"nf\">NamedParameterJdbcTemplate<\/span><span class=\"o\">(<\/span><span class=\"k\">this<\/span><span class=\"o\">.<\/span><span class=\"na\">dataSource<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"o\">}<\/span>\r\n\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<div>\n<div class=\"post-table\">\u9805\u756a\u8aac\u660e(1)<code>JdbcTemplate<\/code>\u304c\u683c\u7d0d\u3055\u308c\u3066\u3044\u308b<code>spring-jdbc<\/code>\u306ejar\u3092\u30af\u30e9\u30b9\u30d1\u30b9\u306b\u542b\u3081\u308b\u3053\u3068\u3067\u6709\u52b9\u3068\u306a\u308b\u3002(2)\u578b\u306b\u3088\u308b\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u304c\u53ef\u80fd\u306a<code>DataSource<\/code>\u3092\u4e00\u3064\u3060\u3051\u5b9a\u7fa9\u3059\u308b\u3053\u3068\u3067\u6709\u52b9\u3068\u306a\u308b\u3002 \u8907\u6570\u306e<code>DataSource<\/code>\u3092\u5b9a\u7fa9\u3059\u308b\u5834\u5408\u306f\u3001<code>JdbcTemplate<\/code>\u306b\u30a4\u30f3\u30b8\u30a7\u30af\u30b7\u30e7\u30f3\u3057\u305f\u3044<code>DataSource<\/code>\u306eBean\u5b9a\u7fa9\u306b<code>@Primary<\/code>\u3092\u4ed8\u4e0e\u3059\u308c\u3070\u3088\u3044\u3002(3)<code>JdbcOperations<\/code>\u306e\u5b9f\u88c5\u30af\u30e9\u30b9DI\u30b3\u30f3\u30c6\u30ca\u306b\u3044\u306a\u3051\u308c\u3070Bean\u5b9a\u7fa9\u304c\u884c\u308f\u308c\u308b\u3002 \u3053\u308c\u306f\u3001\u30e6\u30fc\u30b6\u5b9a\u7fa9\u306eBean\u5b9a\u7fa9\u30d5\u30a1\u30a4\u30eb\u3067<code>JdbcTemplate<\/code>\u306eBean\u5b9a\u7fa9\u304c\u884c\u308f\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001AutoConfigure\u306b\u3088\u308bBean\u5b9a\u7fa9\u304c\u7121\u52b9\u306b\u306a\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u3066\u3044\u308b\u3002(4)<code>NamedParameterJdbcOperations<\/code>\u306e\u5b9f\u88c5\u30af\u30e9\u30b9DI\u30b3\u30f3\u30c6\u30ca\u306b\u3044\u306a\u3051\u308c\u3070Bean\u5b9a\u7fa9\u304c\u884c\u308f\u308c\u308b\u3002 \u3053\u308c\u306f\u3001\u30e6\u30fc\u30b6\u5b9a\u7fa9\u306eBean\u5b9a\u7fa9\u30d5\u30a1\u30a4\u30eb\u3067<code>NamedParameterJdbcTemplate<\/code>\u306eBean\u5b9a\u7fa9\u304c\u884c\u308f\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001AutoConfigure\u306b\u3088\u308bBean\u5b9a\u7fa9\u304c\u7121\u52b9\u306b\u306a\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u3066\u3044\u308b\u3002<\/div>\n<\/div>\n<p>\u5728\u672c\u6587\u4e2d\u6211\u4eec\u4e0d\u8ba8\u8bba\u8fd9\u4e2a\u95ee\u9898\uff0c\u4f46\u662f\u901a\u8fc7\u521b\u5efa\u81ea\u5b9a\u4e49\u7684@Conditional\u5408\u6210\u6ce8\u89e3\uff0c\u53ef\u4ee5\u63d0\u4f9b\u66f4\u7075\u6d3b\u7684\u6761\u4ef6\u3002<\/p>\n<p>\u867d\u7136\u6211\u8ba4\u4e3a\u57fa\u672c\u4e0a\u4e0d\u4f1a\u4e3a\u7279\u5b9a\u7684\u5e94\u7528\u7a0b\u5e8f\u521b\u5efaAutoConfigure\u7528\u7684\u914d\u7f6e\u7c7b\uff0c\u4f46\u9700\u8981\u5728Spring\u4e0a\u4f7f\u7528Spring Boot\u4e0d\u652f\u6301\u7684OSS\u5e93\u7684\u914d\u7f6e\u4ee5\u53ca\u4e3a\u5185\u90e8\u9879\u76ee\u521b\u5efa\u7684\u901a\u7528\u5e93\u7684\u914d\u7f6e\uff0c\u53ef\u4ee5\u521b\u5efaAutoConfigure\u7528\u7684\u914d\u7f6e\u7c7b\uff0c\u5e76\u5728\u591a\u4e2a\u9879\u76ee\u4e4b\u95f4\u5171\u4eab\u4f7f\u7528\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u6211\u5728MyBatis\u548cDoma2\u4e2d\u4e5f\u6709\u8d21\u732e\u7684\u7ecf\u9a8c\uff0c\u5b83\u4eec\u90fd\u63d0\u4f9b\u4e86\u4e0eSpring Boot\u96c6\u6210\u7684\u5de5\u5177\u3002\u5982\u679c\u60a8\u4f7f\u7528\u8fd9\u4e9b\u5e93\uff0c\u4e00\u5b9a\u8981\u5c1d\u8bd5\u4f7f\u7528\u8fd9\u4e9b\u5de5\u5177\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">https:\/\/github.com\/mybatis\/spring-boot-starter<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">https:\/\/github.com\/domaframework\/doma-spring-boot<\/ul>\n<h1>\u603b\u7ed3<\/h1>\n<p>\u8fd9\u6b21\u4ecb\u7ecd\u4e86Spring Boot\u7684\u4e00\u4e2a\u4e3b\u8981\u529f\u80fd\u4e4b\u4e00AutoConfigure\uff08\u52a0\u4e0a\u6761\u4ef6Bean\u5b9a\u4e49\uff09\u7684\u673a\u5236\u3002AutoConfigure\u662f\u4e00\u4e2a\u975e\u5e38\u5f3a\u5927\u548c\u65b9\u4fbf\u7684\u529f\u80fd\uff0c\u4f46\u662f\u5982\u679c\u4e0d\u7406\u89e3AutoConfigure\u672c\u8eab\u7684\u673a\u5236&#8230;\u90a3\u4e48Bean\u5b9a\u4e49\u662f\u5728\u54ea\u91cc\uff1f\u54ea\u4e9b\u72b6\u6001\u7684Bean\u88ab\u6ce8\u518c\u5230DI\u5bb9\u5668\u4e2d\uff1f\u8fd9\u4e9b\u90e8\u5206\u4e0d\u660e\u786e\u7684\u5730\u65b9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u610f\u60f3\u4e0d\u5230\u7684\u95ee\u9898\u3002<br \/>\n\u5f53\u6211\u53d1\u73b0\u4e0d\u6309\u7167\u9884\u671f\u5de5\u4f5c\u65f6&#8230;\u6211\u9996\u5148\u4f1a\u67e5\u770bSpring Boot\u63d0\u4f9b\u7684AutoConfigure\u914d\u7f6e\u7c7b\u7684\u6e90\u4ee3\u7801\u3002<\/p>\n<ul class=\"post-ul\">https:\/\/github.com\/spring-projects\/spring-boot\/tree\/master\/spring-boot-autoconfigure\/src\/main\/java\/org\/springframework\/boot\/autoconfigure<\/ul>\n<p>\u5728\u4f7f\u7528Spring Boot\u65f6\uff0c\u5efa\u8bae\u9605\u8bfb\u4e0e\u6240\u4f7f\u7528\u529f\u80fd\u7684AutoConfigure\u76f8\u5173\u7684\u914d\u7f6e\u7c7b\u3002\u7279\u522b\u662f\u5bf9\u4e8e\u67b6\u6784\u5e08\u6765\u8bf4\uff0c\u6211\u8ba4\u4e3a\u9605\u8bfb\u8fd9\u4e9b\u914d\u7f6e\u7c7b\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002<\/p>\n<h1>\u53c2\u8003\u7f51\u7ad9\/\u53c2\u8003\u4e66\u7c4d<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">http:\/\/docs.spring.io\/spring-boot\/docs\/1.4.1.BUILD-SNAPSHOT\/reference\/htmlsingle\/#boot-features-developing-auto-configuration<\/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\">http:\/\/docs.spring.io\/spring\/docs\/4.3.3.BUILD-SNAPSHOT\/spring-framework-reference\/htmlsingle\/#beans-definition-profiles<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Spring\u5fb9\u5e95\u5165\u9580\u306e\u300c13.1.2 AutoConfigure\u306b\u3088\u308b\u81ea\u52d5\u8a2d\u5b9a\u300d<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u6211\u60f3\u4ecb\u7ecd\u4e00\u4e0b\u8fd9\u6b21\u7684\u4e3b\u9898\uff0c\u5373Spring Boot\u7684\u4e00\u4e2a\u4e3b\u8981\u529f\u80fdAutoConfigure\u7684\u673a\u5236\u3002 \u4f7f\u7528Spri [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-39682","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) - 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