{"id":5621,"date":"2023-01-06T10:54:12","date_gmt":"2023-01-06T02:54:12","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5621"},"modified":"2023-01-06T10:54:12","modified_gmt":"2023-01-06T02:54:12","slug":"1-%e4%ba%86%e8%a7%a3react-js%e4%b8%ad%e7%9a%84isnumericstring%e5%87%bd%e6%95%b8%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/react-js\/1-%e4%ba%86%e8%a7%a3react-js%e4%b8%ad%e7%9a%84isnumericstring%e5%87%bd%e6%95%b8%e5%8a%9f%e8%83%bd\/","title":{"rendered":"1.\u4e86\u89e3React.JS\u4e2d\u7684isNumericString()\u51fd\u6578\u529f\u80fd"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"React.JS, isNumericString\"><\/p>\n<h1>\u5982\u4f55\u4f7f\u7528 React.JS \u5224\u65b7\u5b57\u4e32\u662f\u5426\u70ba\u6578\u5b57\u5b57\u4e32(isNumericString)<\/h1>\n<p>React.JS \u662f\u4e00\u500b\u7528\u65bc\u69cb\u5efa\u7528\u6236\u754c\u9762\u7684 JavaScript \u5eab\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u8f15\u9b06\u5730\u69cb\u5efa\u9ad8\u6027\u80fd\u7684\u7db2\u9801\u61c9\u7528\u7a0b\u5e8f\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528 React.JS \u4f86\u5224\u65b7\u5b57\u4e32\u662f\u5426\u70ba\u6578\u5b57\u5b57\u4e32(isNumericString)\u3002<\/p>\n<h2>\u4f7f\u7528 React.JS \u5224\u65b7\u5b57\u4e32\u662f\u5426\u70ba\u6578\u5b57\u5b57\u4e32<\/h2>\n<p>React.JS \u63d0\u4f9b\u4e86\u4e00\u500b\u53eb\u505a <code>isNumericString<\/code> \u7684\u51fd\u6578\uff0c\u53ef\u4ee5\u7528\u4f86\u5224\u65b7\u5b57\u4e32\u662f\u5426\u70ba\u6578\u5b57\u5b57\u4e32\u3002\u5b83\u63a5\u53d7\u4e00\u500b\u5b57\u4e32\u53c3\u6578\uff0c\u4e26\u8fd4\u56de\u4e00\u500b\u5e03\u723e\u503c\uff0c\u8868\u793a\u8a72\u5b57\u4e32\u662f\u5426\u70ba\u6578\u5b57\u5b57\u4e32\u3002<\/p>\n<pre class=\"brush: javascript\">\nfunction isNumericString(str) {\n  return \/^\\d+$\/.test(str);\n}\n<\/pre>\n<p>\u4e0a\u9762\u7684\u51fd\u6578\u4f7f\u7528\u6b63\u5247\u8868\u9054\u5f0f\u4f86\u6aa2\u67e5\u5b57\u4e32\u662f\u5426\u53ea\u5305\u542b\u6578\u5b57\uff0c\u5982\u679c\u53ea\u5305\u542b\u6578\u5b57\uff0c\u5247\u8fd4\u56de <code>true<\/code>\uff0c\u5426\u5247\u8fd4\u56de <code>false<\/code>\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 <code>isNumericString<\/code> \u51fd\u6578\u4f86\u6aa2\u67e5\u5b57\u4e32 <code>'12345'<\/code> \u662f\u5426\u70ba\u6578\u5b57\u5b57\u4e32\uff1a<\/p>\n<pre class=\"brush: javascript\">\nlet str = '12345';\nlet result = isNumericString(str);\nconsole.log(result); \/\/ true\n<\/pre>\n<p>\u53e6\u5916\uff0c\u6211\u5011\u4e5f\u53ef\u4ee5\u4f7f\u7528 <code>isNumericString<\/code> \u51fd\u6578\u4f86\u6aa2\u67e5\u5b57\u4e32 <code>'abcde'<\/code> \u662f\u5426\u70ba\u6578\u5b57\u5b57\u4e32\uff1a<\/p>\n<pre class=\"brush: javascript\">\nlet str = 'abcde';\nlet result = isNumericString(str);\nconsole.log(result); \/\/ false\n<\/pre>\n<h2>\u7e3d\u7d50<\/h2>\n<p>\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u4f7f\u7528 React.JS \u4f86\u5224\u65b7\u5b57\u4e32\u662f\u5426\u70ba\u6578\u5b57\u5b57\u4e32(isNumericString)\u3002React.JS \u63d0\u4f9b\u4e86\u4e00\u500b\u53eb\u505a <code>isNumericString<\/code> \u7684\u51fd\u6578\uff0c\u53ef\u4ee5\u7528\u4f86\u6aa2\u67e5\u5b57\u4e32\u662f\u5426\u53ea\u5305\u542b\u6578\u5b57\uff0c\u5982\u679c\u53ea\u5305\u542b\u6578\u5b57\uff0c\u5247\u8fd4\u56de <code>true<\/code>\uff0c\u5426\u5247\u8fd4\u56de <code>false<\/code>\u3002<\/p>\n<p><!--more--><\/p>\n<p>\u6b64\u5916\uff0cReact.JS \u9084\u63d0\u4f9b\u4e86\u8a31\u591a\u5176\u4ed6\u6709\u7528\u7684\u529f\u80fd\uff0c\u4f8b\u5982\u8655\u7406\u4e8b\u4ef6\u3001\u6e32\u67d3 UI \u7b49\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u8f15\u9b06\u5730\u69cb\u5efa\u9ad8\u6027\u80fd\u7684\u7db2\u9801\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>2.\u672c\u6587\u5c07\u4ecb\u7d39React.JS\u4e2d\u7684isNumericString()\u51fd\u6578\uff0c\u8a72\u51fd\u6578\u53ef\u4ee5\u7528\u65bc\u5224\u65b7\u5b57\u4e32\u662f\u5426\u70ba\u6578\u5b57\u5b57\u4e32\uff0c\u4e26\u63d0\u4f9b\u7c21\u55ae\u7684\u793a\u4f8b\u4f86\u8a73\u7d30\u8aaa\u660e\u8a72\u51fd\u6578\u7684\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-5621","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\/pcFK27-1sF","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5621","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=5621"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5621\/revisions"}],"predecessor-version":[{"id":5622,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5621\/revisions\/5622"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5621"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5621"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5621"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}