{"id":65081,"date":"2025-05-03T08:49:59","date_gmt":"2025-05-03T00:49:59","guid":{"rendered":"https:\/\/fwq.ai\/blog\/65081\/"},"modified":"2025-05-03T08:49:59","modified_gmt":"2025-05-03T00:49:59","slug":"%e4%bd%bf%e7%94%a8fastjson%e8%bd%ac%e6%8d%a2bigdecimal%e6%97%b6%e5%a6%82%e4%bd%95%e9%81%bf%e5%85%8d%e7%b2%be%e5%ba%a6%e4%b8%a2%e5%a4%b1%ef%bc%9f-3","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/65081\/","title":{"rendered":"\u4f7f\u7528FastJson\u8f6c\u6362BigDecimal\u65f6\u5982\u4f55\u907f\u514d\u7cbe\u5ea6\u4e22\u5931\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173111617537342.jpg\" class=\"aligncenter\" title=\"\u4f7f\u7528FastJson\u8f6c\u6362BigDecimal\u65f6\u5982\u4f55\u907f\u514d\u7cbe\u5ea6\u4e22\u5931\uff1f\u63d2\u56fe\" alt=\"\u4f7f\u7528FastJson\u8f6c\u6362BigDecimal\u65f6\u5982\u4f55\u907f\u514d\u7cbe\u5ea6\u4e22\u5931\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>fastjson\u8f6c\u6362bigdecimal\u65f6\u7cbe\u5ea6\u4e22\u5931<\/strong><\/p>\n<p>\u5728\u4f7f\u7528fastjson\u8fdb\u884cjson\u6570\u636e\u4e0e\u5bf9\u8c61\u8f6c\u6362\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230bigdecimal\u7cbe\u5ea6\u4e22\u5931\u7684\u95ee\u9898\u3002\u5f53\u5c06bigdecimal\u8f6c\u6362\u4e3ajson\u5b57\u7b26\u4e32\u540e\uff0c\u518d\u4ecejson\u8f6c\u6362\u56de\u6765\uff0c\u6570\u503c\u53ef\u80fd\u4f1a\u53d1\u751f\u53d8\u5316\u3002<\/p>\n<p><strong>\u539f\u56e0\u5206\u6790<\/strong><\/p>\n<p>\u8fd9\u4e2a\u95ee\u9898\u53ef\u80fd\u662f\u7531\u4e8efastjson\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4f7f\u7528double\u7c7b\u578b\u6765\u8868\u793abigdecimal\u3002\u7136\u800c\uff0cdouble\u7c7b\u578b\u7684\u7cbe\u5ea6\u6709\u9650\uff0c\u5f53bigdecimal\u503c\u8d85\u51fadouble\u7684\u7cbe\u5ea6\u8303\u56f4\u65f6\uff0c\u7cbe\u5ea6\u53ef\u80fd\u4f1a\u4e22\u5931\u3002<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6cd5<\/strong><\/p>\n<p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u624b\u52a8\u6307\u5b9afastjson\u5c06bigdecimal\u8f6c\u6362\u4e3ajson\u5b57\u7b26\u4e32\u65f6\u4f7f\u7528\u5b57\u7b26\u4e32\u7c7b\u578b\u3002\u5177\u4f53\u65b9\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>JSON.DEFFAULT_DATE_FORMAT = \"yyyy-MM-dd HH:mm:ss\";\n        JSON.DEFFAULT_TYPE_KEY = \"@type\";\n        SerializeConfig mapping = new SerializeConfig();\n        mapping.put(BigDecimal.class, BigDecimalSerializer.instance);\n        JSON.toJSONString(bigDecimal, mapping);<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0cfastjson\u5c06bigdecimal\u503c\u8f6c\u6362\u4e3ajson\u5b57\u7b26\u4e32\u65f6\u4f1a\u4f7f\u7528\u5b57\u7b26\u4e32\u7c7b\u578b\uff0c\u4ece\u800c\u907f\u514d\u7cbe\u5ea6\u4e22\u5931\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662f\u4f7f\u7528FastJson\u8f6c\u6362BigDecimal\u65f6\u5982\u4f55\u907f\u514d\u7cbe\u5ea6\u4e22\u5931\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>fastjson\u8f6c\u6362bigdecimal\u65f6\u7cbe\u5ea6\u4e22\u5931 \u5728\u4f7f\u7528fastjson\u8fdb\u884cjson\u6570\u636e\u4e0e\u5bf9\u8c61\u8f6c\u6362\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230bigdecimal\u7cbe\u5ea6\u4e22\u5931\u7684\u95ee\u9898\u3002\u5f53\u5c06bigdecimal\u8f6c\u6362\u4e3ajson\u5b57\u7b26\u4e32\u540e\uff0c\u518d\u4ecejson\u8f6c\u6362\u56de\u6765\uff0c\u6570\u503c\u53ef\u80fd\u4f1a\u53d1\u751f\u53d8\u5316\u3002 \u539f\u56e0\u5206\u6790 \u8fd9\u4e2a\u95ee\u9898\u53ef\u80fd\u662f\u7531\u4e8efastjson\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4f7f\u7528double\u7c7b\u578b\u6765\u8868\u793abigdecimal\u3002\u7136\u800c\uff0cdouble\u7c7b\u578b\u7684\u7cbe\u5ea6\u6709\u9650\uff0c\u5f53bigdecimal\u503c\u8d85\u51fadouble\u7684\u7cbe\u5ea6\u8303\u56f4\u65f6\uff0c\u7cbe\u5ea6\u53ef\u80fd\u4f1a\u4e22\u5931\u3002 \u89e3\u51b3\u65b9\u6cd5 \u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u624b\u52a8\u6307\u5b9afastjson\u5c06bigdecimal\u8f6c\u6362\u4e3ajson\u5b57\u7b26\u4e32\u65f6\u4f7f\u7528\u5b57\u7b26\u4e32\u7c7b\u578b\u3002\u5177\u4f53\u65b9\u6cd5\u5982\u4e0b\uff1a JSON.DEFFAULT_DATE_FORMAT = &#8220;yyyy-MM-dd HH:mm:ss&#8221;; JSON.DEFFAULT_TYPE_KEY = &#8220;@type&#8221;; SerializeConfig mapping = new SerializeConfig(); mapping.put(BigDecimal.class, BigDecimalSerializer.instance); JSON.toJSONString(bigDecimal, mapping); \u767b\u5f55\u540e\u590d\u5236 \u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0cfastjson\u5c06bigdecimal\u503c\u8f6c\u6362\u4e3ajson\u5b57\u7b26\u4e32\u65f6\u4f1a\u4f7f\u7528\u5b57\u7b26\u4e32\u7c7b\u578b\uff0c\u4ece\u800c\u907f\u514d\u7cbe\u5ea6\u4e22\u5931\u3002 \u4ee5\u4e0a\u5c31\u662f\u4f7f\u7528FastJson\u8f6c\u6362BigDecimal\u65f6\u5982\u4f55\u907f\u514d\u7cbe\u5ea6\u4e22\u5931\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/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-65081","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65081","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=65081"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/65081\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=65081"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=65081"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=65081"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}