Props \u9a8c\u8bc1\u4f7f\u7528 propTypes\uff0c\u5b83\u53ef\u4ee5\u4fdd\u8bc1\u6211\u4eec\u7684\u5e94\u7528\u7ec4\u4ef6\u88ab\u6b63\u786e\u4f7f\u7528\uff0cReact.PropTypes \u63d0\u4f9b\u5f88\u591a\u9a8c\u8bc1\u5668 (validator) \u6765\u9a8c\u8bc1\u4f20\u5165\u6570\u636e\u662f\u5426\u6709\u6548\u3002\u5f53\u5411 props \u4f20\u5165\u65e0\u6548\u6570\u636e\u65f6\uff0cJavaScript \u63a7\u5236\u53f0\u4f1a\u629b\u51fa\u8b66\u544a\u3002<\/p>\n
[javascript]<\/p>\n
React.createClass({
\n propTypes: {
\n \/\/ \u53ef\u4ee5\u58f0\u660e prop \u4e3a\u6307\u5b9a\u7684 JS \u57fa\u672c\u6570\u636e\u7c7b\u578b\uff0c\u9ed8\u8ba4\u60c5\u51b5\uff0c\u8fd9\u4e9b\u6570\u636e\u662f\u53ef\u9009\u7684
\n optionalArray: React.PropTypes.array,
\n optionalBool: React.PropTypes.bool,
\n optionalFunc: React.PropTypes.func,
\n optionalNumber: React.PropTypes.number,
\n optionalObject: React.PropTypes.object,
\n optionalString: React.PropTypes.string,<\/p>\n
\/\/ \u53ef\u4ee5\u88ab\u6e32\u67d3\u7684\u5bf9\u8c61 numbers, strings, elements \u6216 array
\n optionalNode: React.PropTypes.node,<\/p>\n
\/\/ React \u5143\u7d20
\n optionalElement: React.PropTypes.element,<\/p>\n
\/\/ \u7528 JS \u7684 instanceof \u64cd\u4f5c\u7b26\u58f0\u660e prop \u4e3a\u7c7b\u7684\u5b9e\u4f8b\u3002
\n optionalMessage: React.PropTypes.instanceOf(Message),<\/p>\n
\/\/ \u7528 enum \u6765\u9650\u5236 prop \u53ea\u63a5\u53d7\u6307\u5b9a\u7684\u503c\u3002
\n optionalEnum: React.PropTypes.oneOf(['News', 'Photos']),<\/p>\n
\/\/ \u53ef\u4ee5\u662f\u591a\u4e2a\u5bf9\u8c61\u7c7b\u578b\u4e2d\u7684\u4e00\u4e2a
\n optionalUnion: React.PropTypes.oneOfType([
\n React.PropTypes.string,
\n React.PropTypes.number,
\n React.PropTypes.instanceOf(Message)
\n ]),<\/p>\n
\/\/ \u6307\u5b9a\u7c7b\u578b\u7ec4\u6210\u7684\u6570\u7ec4
\n optionalArrayOf: React.PropTypes.arrayOf(React.PropTypes.number),<\/p>\n
\/\/ \u6307\u5b9a\u7c7b\u578b\u7684\u5c5e\u6027\u6784\u6210\u7684\u5bf9\u8c61
\n optionalObjectOf: React.PropTypes.objectOf(React.PropTypes.number),<\/p>\n
\/\/ \u7279\u5b9a shape \u53c2\u6570\u7684\u5bf9\u8c61
\n optionalObjectWithShape: React.PropTypes.shape({
\n color: React.PropTypes.string,
\n fontSize: React.PropTypes.number
\n }),<\/p>\n
\/\/ \u4efb\u610f\u7c7b\u578b\u52a0\u4e0a `isRequired` \u6765\u4f7f prop \u4e0d\u53ef\u7a7a\u3002
\n requiredFunc: React.PropTypes.func.isRequired,<\/p>\n
\/\/ \u4e0d\u53ef\u7a7a\u7684\u4efb\u610f\u7c7b\u578b
\n requiredAny: React.PropTypes.any.isRequired,<\/p>\n
\/\/ \u81ea\u5b9a\u4e49\u9a8c\u8bc1\u5668\u3002\u5982\u679c\u9a8c\u8bc1\u5931\u8d25\u9700\u8981\u8fd4\u56de\u4e00\u4e2a Error \u5bf9\u8c61\u3002\u4e0d\u8981\u76f4\u63a5\u4f7f\u7528 `console.warn` \u6216\u629b\u5f02\u5e38\uff0c\u56e0\u4e3a\u8fd9\u6837 `oneOfType` \u4f1a\u5931\u6548\u3002
\n customProp: function(props, propName, componentName) {
\n if (!\/matchme\/.test(props[propName])) {
\n return new Error('Validation failed!');
\n }
\n }
\n },
\n \/* ... *\/
\n});<\/p>\n
[\/javascript]<\/p>\n","protected":false},"excerpt":{"rendered":"
Props \u9a8c\u8bc1\u4f7f\u7528 propTypes\uff0c\u5b83\u53ef\u4ee5\u4fdd\u8bc1\u6211\u4eec\u7684\u5e94\u7528\u7ec4\u4ef6\u88ab\u6b63\u786e\u4f7f\u7528\uff0cReact.PropTypes \u63d0\u4f9b\u5f88\u591a\u9a8c…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3,5],"tags":[],"class_list":["post-801","post","type-post","status-publish","format-standard","hentry","category-fe","category-javascript"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/feizhaojun.com\/index.php?rest_route=\/wp\/v2\/posts\/801","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/feizhaojun.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/feizhaojun.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/feizhaojun.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/feizhaojun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=801"}],"version-history":[{"count":1,"href":"https:\/\/feizhaojun.com\/index.php?rest_route=\/wp\/v2\/posts\/801\/revisions"}],"predecessor-version":[{"id":802,"href":"https:\/\/feizhaojun.com\/index.php?rest_route=\/wp\/v2\/posts\/801\/revisions\/802"}],"wp:attachment":[{"href":"https:\/\/feizhaojun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=801"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feizhaojun.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=801"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feizhaojun.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=801"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}