{"id":7363,"date":"2024-11-14T12:44:52","date_gmt":"2024-11-14T04:44:52","guid":{"rendered":"https:\/\/fwq.ai\/blog\/7363\/"},"modified":"2024-11-14T12:44:52","modified_gmt":"2024-11-14T04:44:52","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-spring-boot-%e9%a1%b9%e7%9b%ae%e4%b8%ad%e6%a0%b9%e6%8d%ae%e7%94%a8%e6%88%b7%e6%97%b6%e5%8c%ba%e6%98%be%e7%a4%ba-mysql-datetime-%e5%80%bc%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/7363\/","title":{"rendered":"\u5982\u4f55\u5728 Spring Boot \u9879\u76ee\u4e2d\u6839\u636e\u7528\u6237\u65f6\u533a\u663e\u793a MySQL datetime \u503c\uff1f"},"content":{"rendered":"

\"\u5982\u4f55\u5728<\/p>\n

\u5982\u4f55\u5728 spring boot \u9879\u76ee\u4e2d\u6307\u5b9a <\/strong>datetime \u503c\u7684\u65f6\u533a<\/strong><\/p>\n

\u95ee\u9898\uff1a<\/strong><\/p>\n

\u9700\u8981\u5728 spring boot \u9879\u76ee\u4e2d\u67e5\u8be2 mysql \u6570\u636e\u5e93\u4e2d\u7684 datetime<\/strong> \u503c\uff0c\u4f46\u5e0c\u671b\u6839\u636e\u7528\u6237\u7684\u65f6\u533a\u663e\u793a\u6570\u636e\u3002\u4f46\u662f\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6570\u636e\u4f1a\u8f6c\u6362\u4e3a\u5e94\u7528\u670d\u52a1\u5668\u7684\u65f6\u533a\u3002\u5982\u4f55\u6307\u5b9a\u663e\u793a\u65f6\u533a\u5e76\u89e3\u51b3\u6b64\u95ee\u9898\uff1f<\/p>\n

\u56de\u7b54\uff1a<\/strong><\/p>\n

\u60f3\u8981\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u9700\u8981\u5c06\u4ee5\u4e0b\u6b65\u9aa4\u7ec4\u5408\u4f7f\u7528\uff1a<\/p>\n

1. \u4f7f\u7528 jackson2objectmapperbuilder<\/strong><\/p>\n

\u9996\u5148\uff0c\u4f7f\u7528 jackson2objectmapperbuilder\uff0c\u8fd9\u662f\u4e00\u79cd\u53ef\u6269\u5c55\u7684\u914d\u7f6e\u5668\uff0c\u53ef\u4ee5\u914d\u7f6e\u7528\u4e8e\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u7684 jackson \u5bf9\u8c61\u6620\u5c04\u5668\u3002\u901a\u8fc7\u521b\u5efa\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684 jackson2objectmapperbuilder bean\uff0c\u53ef\u4ee5\u8986\u76d6 spring boot \u7684\u9ed8\u8ba4\u5e8f\u5217\u5316\u884c\u4e3a\u3002<\/p>\n

@bean\n@primary\npublic jackson2objectmapperbuilder jackson2objectmapperbuilder() {\n    return new jackson2objectmapperbuilder().serializerbytype(date.class, new dateserializer());\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
2. \u81ea\u5b9a\u4e49 stdserializer<\/strong><\/p>\n
\u63a5\u4e0b\u6765\uff0c\u521b\u5efa\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684 stdserializer\uff0c\u5b83\u5c06\u8986\u76d6 date \u5bf9\u8c61\u7684\u9ed8\u8ba4\u5e8f\u5217\u5316\u884c\u4e3a\u3002\u5728 serialize \u65b9\u6cd5\u4e2d\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u4fee\u6539\u65f6\u533a\u3002<\/p>\n
public class DateSerializer extends StdSerializer<Date> {\n    protected DateSerializer() {\n        super(Date.class);\n    }\n\n    @Override\n    public void serialize(Date value, JsonGenerator gen, SerializerProvider provider) throws IOException {\n        \/\/ \u5728\u6b64\u5904\u5904\u7406\u65f6\u533a\n        gen.writeString(value.toString() + \"\u8fd9\u662f\u4e00\u4e2a\u6d4b\u8bd5\");\n    }\n}<\/pre>\n
 \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
3. \u786e\u5b9a\u5ba2\u6237\u7aef\u65f6\u533a<\/strong><\/p>\n
\u8fd8\u9700\u8981\u786e\u5b9a\u5ba2\u6237\u7aef\u7684\u65f6\u533a\u3002\u6b64\u4fe1\u606f\u53ef\u4ee5\u4ece\u8bf7\u6c42\u5934\u3001http cookie \u6216\u4f1a\u8bdd\u4e2d\u83b7\u53d6\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u5e94\u7528\u7a0b\u5e8f\u7684\u5b9e\u73b0\u65b9\u5f0f\u3002<\/p>\n
4. \u8f6c\u6362\u65f6\u533a<\/strong><\/p>\n
\u4e00\u65e6\u786e\u5b9a\u4e86\u5ba2\u6237\u7aef\u65f6\u533a\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528 java datetimeformatter \u6216 calendar \u7c7b\u5c06\u65e5\u671f\u503c\u8f6c\u6362\u4e3a\u6240\u9700\u7684\u65f6\u533a\u3002<\/p>\n
5. \u8fd4\u56de\u65f6\u533a\u8f6c\u6362\u540e\u7684\u6570\u636e<\/strong><\/p>\n
\u6700\u540e\uff0c\u5728\u63a7\u5236\u5668\u4e2d\u8fd4\u56de\u65f6\u533a\u8f6c\u6362\u540e\u7684\u65e5\u671f\u503c\u3002<\/p>\n
\u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u6b65\u9aa4\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u6307\u5b9a datetime \u503c\u7684\u65f6\u533a\uff0c\u5e76\u6839\u636e\u7528\u6237\u7684\u672c\u5730\u65f6\u533a\u663e\u793a\u6570\u636e\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u5728 Spring Boot \u9879\u76ee\u4e2d\u6839\u636e\u7528\u6237\u65f6\u533a\u663e\u793a MySQL datetime \u503c\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u7f51\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5982\u4f55\u5728 spring boot \u9879\u76ee\u4e2d\u6307\u5b9a datetime \u503c\u7684\u65f6\u533a \u95ee\u9898\uff1a \u9700\u8981\u5728 spring boot \u9879\u76ee\u4e2d\u67e5\u8be2 mysql \u6570\u636e\u5e93\u4e2d\u7684 datetime \u503c\uff0c\u4f46\u5e0c\u671b\u6839\u636e\u7528\u6237\u7684\u65f6\u533a\u663e\u793a\u6570\u636e\u3002\u4f46\u662f\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6570\u636e\u4f1a\u8f6c\u6362\u4e3a\u5e94\u7528\u670d\u52a1\u5668\u7684\u65f6\u533a\u3002\u5982\u4f55\u6307\u5b9a\u663e\u793a\u65f6\u533a\u5e76\u89e3\u51b3\u6b64\u95ee\u9898\uff1f \u56de\u7b54\uff1a \u60f3\u8981\u89e3\u51b3\u6b64\u95ee\u9898\uff0c\u9700\u8981\u5c06\u4ee5\u4e0b\u6b65\u9aa4\u7ec4\u5408\u4f7f\u7528\uff1a 1. \u4f7f\u7528 jackson2objectmapperbuilder \u9996\u5148\uff0c\u4f7f\u7528 jackson2objectmapperbuilder\uff0c\u8fd9\u662f\u4e00\u79cd\u53ef\u6269\u5c55\u7684\u914d\u7f6e\u5668\uff0c\u53ef\u4ee5\u914d\u7f6e\u7528\u4e8e\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u7684 jackson \u5bf9\u8c61\u6620\u5c04\u5668\u3002\u901a\u8fc7\u521b\u5efa\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684 jackson2objectmapperbuilder bean\uff0c\u53ef\u4ee5\u8986\u76d6 spring boot \u7684\u9ed8\u8ba4\u5e8f\u5217\u5316\u884c\u4e3a\u3002 @bean @primary public jackson2objectmapperbuilder jackson2objectmapperbuilder() { return new jackson2objectmapperbuilder().serializerbytype(date.class, new dateserializer()); } \u767b\u5f55\u540e\u590d\u5236 2. \u81ea\u5b9a\u4e49 stdserializer \u63a5\u4e0b\u6765\uff0c\u521b\u5efa\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684 stdserializer\uff0c\u5b83\u5c06\u8986\u76d6 date \u5bf9\u8c61\u7684\u9ed8\u8ba4\u5e8f\u5217\u5316\u884c\u4e3a\u3002\u5728 serialize \u65b9\u6cd5\u4e2d\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u4fee\u6539\u65f6\u533a\u3002 public class DateSerializer extends […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-7363","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/7363","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=7363"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/7363\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=7363"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=7363"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=7363"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}