{"id":5645,"date":"2023-01-06T11:05:48","date_gmt":"2023-01-06T03:05:48","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5645"},"modified":"2023-01-06T11:05:48","modified_gmt":"2023-01-06T03:05:48","slug":"%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8react-js%e6%aa%a2%e6%9f%a5%e8%b2%a8%e5%b9%a3%e9%87%91%e9%a1%8d%e7%9a%84%e6%9c%89%e6%95%88%e6%80%a7","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/react-js\/%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8react-js%e6%aa%a2%e6%9f%a5%e8%b2%a8%e5%b9%a3%e9%87%91%e9%a1%8d%e7%9a%84%e6%9c%89%e6%95%88%e6%80%a7\/","title":{"rendered":"\u5982\u4f55\u5229\u7528React.JS\u6aa2\u67e5\u8ca8\u5e63\u91d1\u984d\u7684\u6709\u6548\u6027"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"React.JS, isValidCurrency\"><\/p>\n<p>\u4f7f\u7528 React.JS \u4f86\u6aa2\u67e5\u5b57\u4e32\u662f\u5426\u7b26\u5408\u8ca8\u5e63\u91d1\u984d\u7684\u898f\u7bc4\uff0c\u662f\u4e00\u500b\u5f88\u6709\u7528\u7684\u529f\u80fd\u3002\u5728\u4eca\u5929\u7684\u7db2\u8def\u6642\u4ee3\uff0c\u8a31\u591a\u7db2\u7ad9\u90fd\u6703\u4f7f\u7528\u8ca8\u5e63\u91d1\u984d\u4f86\u505a\u70ba\u4ea4\u6613\u7684\u57fa\u790e\uff0c\u56e0\u6b64\uff0c\u80fd\u5920\u6aa2\u67e5\u5b57\u4e32\u662f\u5426\u7b26\u5408\u8ca8\u5e63\u91d1\u984d\u7684\u898f\u7bc4\uff0c\u5c31\u8b8a\u5f97\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<p>React.JS \u662f\u4e00\u500b JavaScript \u6846\u67b6\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5feb\u901f\u958b\u767c\u51fa\u529f\u80fd\u5f37\u5927\u7684\u7db2\u9801\u61c9\u7528\u7a0b\u5f0f\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u500b\u7c21\u55ae\u7684 API\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5feb\u901f\u958b\u767c\u51fa\u529f\u80fd\u5f37\u5927\u7684\u7db2\u9801\u61c9\u7528\u7a0b\u5f0f\u3002<\/p>\n<p>\u4f7f\u7528 React.JS \u4f86\u6aa2\u67e5\u5b57\u4e32\u662f\u5426\u7b26\u5408\u8ca8\u5e63\u91d1\u984d\u7684\u898f\u7bc4\uff0c\u53ef\u4ee5\u4f7f\u7528 isValidCurrency \u9019\u500b\u51fd\u5f0f\u3002\u5b83\u53ef\u4ee5\u63a5\u53d7\u4e00\u500b\u5b57\u4e32\u53c3\u6578\uff0c\u4e26\u6aa2\u67e5\u8a72\u5b57\u4e32\u662f\u5426\u7b26\u5408\u8ca8\u5e63\u91d1\u984d\u7684\u898f\u7bc4\u3002<\/p>\n<p><!--more--><\/p>\n<p>\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u60f3\u8981\u6aa2\u67e5\u5b57\u4e32 &#8220;123.45&#8221; \u662f\u5426\u7b26\u5408\u8ca8\u5e63\u91d1\u984d\u7684\u898f\u7bc4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7684\u7a0b\u5f0f\u78bc\uff1a<\/p>\n<pre class=\"brush: javascript\">\nconst isValidCurrency = (str) => {\n  const regex = \/^\\d+(\\.\\d{1,2})?$\/;\n  return regex.test(str);\n};\n\nconsole.log(isValidCurrency(\"123.45\")); \/\/ true\nconsole.log(isValidCurrency(\"123.456\")); \/\/ false\n<\/pre>\n<p>\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u6703\u4f7f\u7528\u6b63\u898f\u8868\u9054\u5f0f\u4f86\u6aa2\u67e5\u5b57\u4e32\u662f\u5426\u7b26\u5408\u8ca8\u5e63\u91d1\u984d\u7684\u898f\u7bc4\u3002\u5982\u679c\u5b57\u4e32\u7b26\u5408\u898f\u7bc4\uff0c\u5247\u51fd\u5f0f\u6703\u56de\u50b3 true\uff0c\u5426\u5247\u6703\u56de\u50b3 false\u3002<\/p>\n<p>\u4f7f\u7528 React.JS \u4f86\u6aa2\u67e5\u5b57\u4e32\u662f\u5426\u7b26\u5408\u8ca8\u5e63\u91d1\u984d\u7684\u898f\u7bc4\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5feb\u901f\u958b\u767c\u51fa\u529f\u80fd\u5f37\u5927\u7684\u7db2\u9801\u61c9\u7528\u7a0b\u5f0f\uff0c\u4e26\u78ba\u4fdd\u8ca8\u5e63\u91d1\u984d\u7684\u6b63\u78ba\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528React.JS\u4f86\u6aa2\u67e5\u8ca8\u5e63\u91d1\u984d\u7684\u6709\u6548\u6027\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u7c21\u55ae\u7684\u7a0b\u5f0f\u78bc\u793a\u4f8b\uff0c\u8b93\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5be6\u73fe\u8a72\u529f\u80fd\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[184,183],"tags":[182,181],"class_list":["post-5645","post","type-post","status-publish","format-standard","hentry","category-react","category-react-js","tag-react","tag-react-js"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-1t3","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5645","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=5645"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5645\/revisions"}],"predecessor-version":[{"id":5646,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5645\/revisions\/5646"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5645"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5645"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5645"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}