{"id":1783,"date":"2023-03-27T22:14:58","date_gmt":"2023-03-27T14:14:58","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=1783"},"modified":"2023-04-23T21:16:33","modified_gmt":"2023-04-23T13:16:33","slug":"nacos-reads-configuration-to-map-data-structure","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/03\/27\/nacos-reads-configuration-to-map-data-structure\/","title":{"rendered":"Nacos\u8bfb\u53d6\u914d\u7f6e\u5230Map\u6570\u636e\u7ed3\u6784"},"content":{"rendered":"<p>\u9996\u5148\u8d34\u4e0aNacos\u914d\u7f6e\uff1a<\/p>\n<pre><code class=\"language-yml\">appblog:\n  response:\n    mapping:\n      key1: Joe.Ye\n      key2: www.appblog.cn\n  risk:\n    enable: false<\/code><\/pre>\n<p><!-- more --><\/p>\n<p>\u53ef\u4ee5\u770b\u5230\u914d\u7f6e\u91cc\u9762\u4e00\u4e2amaps\u96c6\u5408\uff0c\u4ee5\u4e0b\u6f14\u793a\u5982\u4f55\u52a8\u6001\u7684\u53bb\u8bfb\u53d6key1\u548ckey2\u7684\u6570\u636e<\/p>\n<h3>\u7c7b\u6620\u5c04<\/h3>\n<pre><code class=\"language-java\">@Data\n@Component\n@ConfigurationProperties(prefix = &quot;appblog.response&quot;)\npublic class NacosConfig {\n\n    \/\/\u6ce8\u610f\u8fd9\u91cc\u7684maps\u8981\u4e0eyml\u91cc\u7684\u914d\u7f6e\u540d\u5bf9\u5e94\n    private Map&lt;String, String&gt; mapping;\n\n    public String get(String key) {\n        return mapping.get(key);\n    }\n}<\/code><\/pre>\n<p>\u793a\u4f8b\u4f7f\u7528\u4ee3\u7801\uff1a<\/p>\n<pre><code class=\"language-java\">@RestController\npublic class NacosController {\n\n    @Autowired\n    private NacosConfig config;\n\n    @GetMapping(&quot;\/getNacosValue&quot;)\n    public String getNacosValue(String key) {\n        return config.get(key);\n    }\n}<\/code><\/pre>\n<blockquote>\n<p>\u4f18\u70b9\uff1a\u914d\u7f6e\u7b80\u5355<br \/>\n\u7f3a\u70b9\uff1a\u4e0d\u652f\u6301\u591a\u914d\u7f6e\u6620\u5c04<\/p>\n<\/blockquote>\n<h3>\u65b9\u6cd5\u6620\u5c04<\/h3>\n<pre><code class=\"language-java\">@Data\n@Configuration\n@RefreshScope\npublic class NacosConfig {\n\n    @Value(&quot;${appblog.risk.enable}&quot;)\n    private boolean enable;\n\n    @Bean\n    @ConfigurationProperties(prefix = &quot;appblog.response.mapping&quot;)\n    public Map&lt;String, String&gt; mapping() {\n        \/\/ old key still exist when delete this key on nacos\n        return new HashMap&lt;&gt;();\n    }\n}<\/code><\/pre>\n<p>\u793a\u4f8b\u4f7f\u7528\u4ee3\u7801\uff1a<\/p>\n<pre><code class=\"language-java\">@RestController\npublic class NacosController {\n\n    @Autowired\n    private NacosConfig config;\n\n    @GetMapping(&quot;\/getNacosValue&quot;)\n    public String getNacosValue(String key) {\n        return config.mapping().get(key);\n    }\n}<\/code><\/pre>\n<blockquote>\n<p>\u4f18\u70b9\uff1a\u652f\u6301\u591a\u914d\u7f6e\u6620\u5c04<br \/>\n\u7f3a\u70b9\uff1a\u914d\u7f6e\u7a0d\u5fae\u590d\u6742<\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148\u8d34\u4e0aNacos\u914d\u7f6e\uff1a appblog: response: mapping: key1: Joe.Ye k [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-1783","post","type-post","status-publish","format-standard","hentry","category-nacos"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1783","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=1783"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1783\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1783"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1783"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1783"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}