{"id":135093,"date":"2024-10-31T07:44:30","date_gmt":"2024-10-30T23:44:30","guid":{"rendered":"https:\/\/server.hk\/cnblog\/135093\/"},"modified":"2024-10-31T07:44:31","modified_gmt":"2024-10-30T23:44:31","slug":"springboot-webflux%e6%95%b4%e5%90%88r2dbc%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e5%ba%ab%e5%8f%8d%e6%87%89%e5%bc%8f%e7%b7%a8%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/135093\/","title":{"rendered":"SpringBoot WebFlux\u6574\u5408R2DBC\u5be6\u73fe\u6578\u64da\u5eab\u53cd\u61c9\u5f0f\u7de8\u7a0b"},"content":{"rendered":"<h1 id=\"springboot-webflux%e6%95%b4%e5%90%88r2dbc%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e5%ba%ab%e5%8f%8d%e6%87%89%e5%bc%8f%e7%b7%a8%e7%a8%8b-IOSOYBoTuh\">SpringBoot WebFlux\u6574\u5408R2DBC\u5be6\u73fe\u6578\u64da\u5eab\u53cd\u61c9\u5f0f\u7de8\u7a0b<\/h1>\n<p>\u96a8\u8457\u5fae\u670d\u52d9\u67b6\u69cb\u7684\u8208\u8d77\uff0c\u53cd\u61c9\u5f0f\u7de8\u7a0b\u9010\u6f38\u6210\u70ba\u958b\u767c\u8005\u7684\u71b1\u9580\u9078\u64c7\u3002Spring Boot WebFlux\u4f5c\u70baSpring\u751f\u614b\u7cfb\u7d71\u4e2d\u7684\u4e00\u90e8\u5206\uff0c\u63d0\u4f9b\u4e86\u4e00\u7a2e\u975e\u963b\u585e\u7684\u7de8\u7a0b\u6a21\u578b\uff0c\u80fd\u5920\u6709\u6548\u5730\u8655\u7406\u9ad8\u4f75\u767c\u7684\u8acb\u6c42\u3002\u800cR2DBC\uff08Reactive Relational Database Connectivity\uff09\u5247\u662f\u5c08\u70ba\u53cd\u61c9\u5f0f\u7de8\u7a0b\u8a2d\u8a08\u7684\u6578\u64da\u5eab\u9023\u63a5API\uff0c\u80fd\u5920\u8207\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u9032\u884c\u975e\u963b\u585e\u7684\u4ea4\u4e92\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5c07Spring Boot WebFlux\u8207R2DBC\u6574\u5408\uff0c\u4ee5\u5be6\u73fe\u6578\u64da\u5eab\u7684\u53cd\u61c9\u5f0f\u7de8\u7a0b\u3002<\/p>\n<h2 id=\"%e5%8f%8d%e6%87%89%e5%bc%8f%e7%b7%a8%e7%a8%8b%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-IOSOYBoTuh\">\u53cd\u61c9\u5f0f\u7de8\u7a0b\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u53cd\u61c9\u5f0f\u7de8\u7a0b\u662f\u4e00\u7a2e\u4ee5\u6578\u64da\u6d41\u548c\u8b8a\u5316\u50b3\u64ad\u70ba\u6838\u5fc3\u7684\u7de8\u7a0b\u7bc4\u5f0f\u3002\u5b83\u5141\u8a31\u958b\u767c\u8005\u4ee5\u975e\u963b\u585e\u7684\u65b9\u5f0f\u8655\u7406\u6578\u64da\u6d41\uff0c\u5f9e\u800c\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u3002\u5728\u53cd\u61c9\u5f0f\u7de8\u7a0b\u4e2d\uff0c\u6578\u64da\u7684\u8b8a\u5316\u6703\u81ea\u52d5\u901a\u77e5\u6240\u6709\u4f9d\u8cf4\u65bc\u8a72\u6578\u64da\u7684\u7d44\u4ef6\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u8f2a\u8a62\u548c\u8cc7\u6e90\u6d6a\u8cbb\u3002<\/p>\n<h2 id=\"spring-boot-webflux%e7%b0%a1%e4%bb%8b-IOSOYBoTuh\">Spring Boot WebFlux\u7c21\u4ecb<\/h2>\n<p>Spring Boot WebFlux\u662fSpring 5\u5f15\u5165\u7684\u4e00\u500b\u6a21\u584a\uff0c\u65e8\u5728\u652f\u6301\u53cd\u61c9\u5f0f\u7de8\u7a0b\u3002\u5b83\u57fa\u65bcProject Reactor\uff0c\u63d0\u4f9b\u4e86\u4e00\u500b\u975e\u963b\u585e\u7684Web\u6846\u67b6\uff0c\u80fd\u5920\u8655\u7406\u5927\u91cf\u7684\u4e26\u767c\u8acb\u6c42\u3002WebFlux\u652f\u6301\u591a\u7a2e\u7de8\u7a0b\u6a21\u578b\uff0c\u5305\u62ec\u8a3b\u89e3\u9a45\u52d5\u7684\u7de8\u7a0b\u548c\u51fd\u6578\u5f0f\u7de8\u7a0b\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u65b9\u5f0f\u4f86\u69cb\u5efa\u61c9\u7528\u3002<\/p>\n<h2 id=\"r2dbc%e7%9a%84%e7%89%b9%e9%bb%9e-IOSOYBoTuh\">R2DBC\u7684\u7279\u9ede<\/h2>\n<p>R2DBC\u662f\u4e00\u500b\u53cd\u61c9\u5f0f\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u9023\u63a5API\uff0c\u65e8\u5728\u89e3\u6c7a\u50b3\u7d71JDBC\u5728\u9ad8\u4f75\u767c\u5834\u666f\u4e0b\u7684\u6027\u80fd\u74f6\u9838\u3002R2DBC\u7684\u4e3b\u8981\u7279\u9ede\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u975e\u963b\u585e\uff1aR2DBC\u4f7f\u7528\u53cd\u61c9\u5f0f\u6d41\u4f86\u8655\u7406\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u907f\u514d\u4e86\u963b\u585eI\/O\u7684\u554f\u984c\u3002<\/li>\n<li>\u652f\u6301\u591a\u7a2e\u6578\u64da\u5eab\uff1aR2DBC\u652f\u6301\u591a\u7a2e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff0c\u5982PostgreSQL\u3001MySQL\u7b49\u3002<\/li>\n<li>\u7c21\u5316\u7684API\uff1aR2DBC\u63d0\u4f9b\u4e86\u4e00\u500b\u7c21\u55ae\u6613\u7528\u7684API\uff0c\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u5feb\u901f\u4e0a\u624b\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b4%e5%90%88spring-boot-webflux%e8%88%87r2dbc-IOSOYBoTuh\">\u6574\u5408Spring Boot WebFlux\u8207R2DBC<\/h2>\n<p>\u8981\u5728Spring Boot\u61c9\u7528\u4e2d\u6574\u5408WebFlux\u548cR2DBC\uff0c\u9996\u5148\u9700\u8981\u5728\u9805\u76ee\u7684\u4f9d\u8cf4\u4e2d\u6dfb\u52a0\u76f8\u95dc\u7684\u5eab\u3002\u4ee5\u4e0b\u662fMaven\u7684\u4f9d\u8cf4\u914d\u7f6e\uff1a<\/p>\n<pre><code>\n&lt;dependency&gt;\n    &lt;groupId&gt;org.springframework.boot&lt;\/groupId&gt;\n    &lt;artifactId&gt;spring-boot-starter-data-r2dbc&lt;\/artifactId&gt;\n&lt;\/dependency&gt;\n&lt;dependency&gt;\n    &lt;groupId&gt;io.r2dbc&lt;\/groupId&gt;\n    &lt;artifactId&gt;r2dbc-postgresql&lt;\/artifactId&gt;  &lt;!-- \u6839\u64da\u4f7f\u7528\u7684\u6578\u64da\u5eab\u9078\u64c7\u76f8\u61c9\u7684\u9a45\u52d5 --&gt;\n&lt;\/dependency&gt;\n&lt;dependency&gt;\n    &lt;groupId&gt;org.springframework.boot&lt;\/groupId&gt;\n    &lt;artifactId&gt;spring-boot-starter-webflux&lt;\/artifactId&gt;\n&lt;\/dependency&gt;\n<\/code><\/pre>\n<h3 id=\"%e9%85%8d%e7%bd%ae%e6%95%b8%e6%93%9a%e6%ba%90-IOSOYBoTuh\">\u914d\u7f6e\u6578\u64da\u6e90<\/h3>\n<p>\u5728application.yml\u4e2d\u914d\u7f6eR2DBC\u6578\u64da\u6e90\uff1a<\/p>\n<pre><code>\nspring:\n  r2dbc:\n    url: r2dbc:postgresql:\/\/username:password@localhost:5432\/mydb\n    username: username\n    password: password\n<\/code><\/pre>\n<h3 id=\"%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e6%a8%a1%e5%9e%8b%e5%92%8c%e5%ad%98%e5%84%b2%e5%ba%ab-IOSOYBoTuh\">\u5275\u5efa\u6578\u64da\u6a21\u578b\u548c\u5b58\u5132\u5eab<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u5275\u5efa\u4e00\u500b\u6578\u64da\u6a21\u578b\u548c\u5c0d\u61c9\u7684\u5b58\u5132\u5eab\u63a5\u53e3\uff1a<\/p>\n<pre><code>\nimport org.springframework.data.annotation.Id;\nimport org.springframework.data.relational.core.mapping.Table;\n\n@Table(\"users\")\npublic class User {\n    @Id\n    private Long id;\n    private String name;\n\n    \/\/ getters and setters\n}\n<\/code><\/pre>\n<pre><code>\nimport org.springframework.data.repository.reactive.ReactiveCrudRepository;\n\npublic interface UserRepository extends ReactiveCrudRepository&lt;User, Long&gt; {\n}\n<\/code><\/pre>\n<h3 id=\"%e5%89%b5%e5%bb%ba%e6%8e%a7%e5%88%b6%e5%99%a8-IOSOYBoTuh\">\u5275\u5efa\u63a7\u5236\u5668<\/h3>\n<p>\u6700\u5f8c\uff0c\u5275\u5efa\u4e00\u500b\u63a7\u5236\u5668\u4f86\u8655\u7406HTTP\u8acb\u6c42\uff1a<\/p>\n<pre><code>\nimport org.springframework.beans.factory.annotation.Autowired;\nimport org.springframework.web.bind.annotation.GetMapping;\nimport org.springframework.web.bind.annotation.RestController;\nimport reactor.core.publisher.Flux;\n\n@RestController\npublic class UserController {\n    @Autowired\n    private UserRepository userRepository;\n\n    @GetMapping(\"\/users\")\n    public Flux&lt;User&gt; getAllUsers() {\n        return userRepository.findAll();\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-IOSOYBoTuh\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u6574\u5408Spring Boot WebFlux\u548cR2DBC\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5be6\u73fe\u9ad8\u6548\u7684\u53cd\u61c9\u5f0f\u6578\u64da\u5eab\u64cd\u4f5c\uff0c\u5f9e\u800c\u63d0\u5347\u61c9\u7528\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u3002\u9019\u7a2e\u975e\u963b\u585e\u7684\u7de8\u7a0b\u6a21\u578b\u7279\u5225\u9069\u5408\u65bc\u9700\u8981\u8655\u7406\u5927\u91cf\u4e26\u767c\u8acb\u6c42\u7684\u5834\u666f\u3002\u82e5\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u4f3a\u670d\u5668\u652f\u6301\u4f86\u904b\u884c\u60a8\u7684\u53cd\u61c9\u5f0f\u61c9\u7528\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\u89e3\u6c7a\u65b9\u6848\uff0c\u4ee5\u78ba\u4fdd\u60a8\u7684\u61c9\u7528\u80fd\u5920\u9ad8\u6548\u904b\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u4f7f\u7528SpringBoot WebFlux\u548cR2DBC\u5be6\u73fe\u6578\u64da\u5eab\u53cd\u61c9\u5f0f\u7de8\u7a0b\uff0c\u63d0\u5347\u61c9\u7528\u6027\u80fd\u8207\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-135093","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/135093","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=135093"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/135093\/revisions"}],"predecessor-version":[{"id":135094,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/135093\/revisions\/135094"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=135093"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=135093"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=135093"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}