APP<\/a><\/p>\n\u53e6\u5916\uff0c\u901a\u8fc7\u6269\u5c55\uff08extension\uff09\u548c\u81ea\u5b9a\u4e49\u7c7b\uff08subclassing\uff09\u7684\u65b9\u5f0f\uff0c\u4f60\u53ef\u4ee5\u66f4\u65b9\u4fbf\u5730\u5728\u591a\u4e2a UI \u7ec4\u4ef6\u4e2d\u5f15\u7528\u7edf\u4e00\u7684\u6837\u5f0f\u3002<\/p>\n
\u4f8b\u5982\uff0c\u4f60\u53ef\u4ee5\u4e3a UILabel \u521b\u5efa\u4e00\u4e2a\u6269\u5c55\u6765\u5b9a\u4e49\u7edf\u4e00\u7684\u6587\u672c\u6837\u5f0f\uff1a<\/p>\n
“`swift<\/p>\n
extension UILabel {<\/p>\n
func applyPrimaryStyle() {<\/p>\n
self.font = UIFont.systemFont(ofSize: 16)<\/p>\n
self.textColor = UIColor.blue<\/p>\n
}<\/p>\n
}<\/p>\n
“`<\/p>\n
\u901a\u8fc7\u8c03\u7528 `applyPrimaryStyle` \u65b9\u6cd5\uff0c\u53ef\u4ee5\u5c06\u6837\u5f0f\u5e94\u7528\u5230\u5404\u4e2a UILabel \u5b9e\u4f8b\uff1a<\/p>\n
“`swift<\/p>\n
label1.applyPrimaryStyle()<\/p>\n
label2.applyPrimaryStyle()<\/p>\n
“`<\/p>\n
## \u81ea\u5b9a\u4e49\u6837\u5f0f<\/p>\n
\u968f\u7740 App \u5f00\u53d1\u7684\u8fdb\u884c\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u521b\u5efa\u5404\u79cd\u4e0d\u540c\u7684\u6837\u5f0f\u4ee5\u9002\u5e94\u590d\u6742\u7684 UI \u8bbe\u8ba1\u3002\u8fd9\u65f6\u53ef\u4ee5\u5728 style \u6807\u7b7e\u7684\u57fa\u7840\u4e0a\u6dfb\u52a0\u66f4\u591a\u7684\u6837\u5f0f\u5c5e\u6027\uff0c\u4ee5\u5b9e\u73b0\u7279\u5b9a\u7684\u9700\u6c42\u3002<\/p>\n
\u4f8b\u5982\uff0c\u5728 Android \u4e2d\uff0c\u4f60\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u81ea\u5b9a\u4e49\u6309\u94ae\u6837\u5f0f\uff1a<\/p>\n
“`xml<\/p>\n
\n
18sp<\/p>\n
@color\/white<\/p>\n
@color\/blue<\/p>\n<\/p>\n
“`<\/p>\n
\u5c06\u8fd9\u4e2a\u6837\u5f0f\u5e94\u7528\u5230 Button \u63a7\u4ef6\uff1a<\/p>\n
“`xml<\/p>\n<\/p>\n
style=”@style\/CustomButton”<\/p>\n
… \/><\/p>\n
“`<\/p>\n
\u7c7b\u4f3c\u5730\uff0c\u5728 iOS \u5f00\u53d1\u4e2d\uff0c\u4f60\u4e5f\u53ef\u4ee5\u901a\u8fc7\u521b\u5efa\u81ea\u5b9a\u4e49\u7c7b\u6216\u8005\u6269\u5c55\u6765\u5b9e\u73b0\u66f4\u591a\u6837\u5f0f\u7684\u5b9a\u5236\u3002<\/p>\n
## \u603b\u7ed3<\/p>\n
style \u6807\u7b7e\u5728 App \u5f00\u53d1\u4e2d\u5177\u6709\u5f88\u5f3a\u7684\u5b9e\u7528\u6027\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u4f60\u8f7b\u677e\u5730\u5b9e\u73b0\u5404\u79cd\u89c6\u89c9\u6837\u5f0f\u548c\u98ce\u683c\uff0c\u5e76\u4fdd\u8bc1 App \u7684\u6574\u4f53\u7f8e\u89c2\u548c\u7528\u6237\u4f53\u9a8c\u3002\u901a\u8fc7\u638c\u63e1 style \u6807\u7b7e\u7684\u4f7f\u7528\u65b9\u6cd5\u548c\u81ea\u5b9a\u4e49\u6280\u5de7\uff0c\u76f8\u4fe1\u4f60\u53ef\u4ee5\u521b\u5efa\u51fa\u66f4\u52a0\u4f18\u79c0\u7684 App\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5728 App \u5f00\u53d1\u4e2d\uff0c\u6837\u5f0f\u662f\u4e00\u79cd\u91cd\u8981\u7684\u5143\u7d20\uff0c\u5b83\u8ba9\u89c6\u89c9\u8868\u73b0\u5c42\u66f4\u52a0\u7b26\u5408\u8bbe\u8ba1\u548c\u7528\u6237\u4f53\u9a8c\u7684\u9700\u6c42\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd App \u4e2d\u7684 style \u6807\u7b7e\uff0c\u5305\u62ec\u5b83\u7684\u539f\u7406\u3001\u4f7f\u7528\u65b9\u6cd5\uff0c\u4ee5\u53ca\u5982\u4f55\u6839\u636e\u4e0d\u540c\u7684\u9700\u6c42\u8fdb\u884c\u81ea\u5b9a<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[4332,4331,3351,686,356],"topic":[],"class_list":["post-2034","post","type-post","status-publish","format-standard","hentry","category-kaifaapp","tag-discuz","tag-4331","tag-3351","tag-686","tag-356"],"_links":{"self":[{"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/posts\/2034","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/comments?post=2034"}],"version-history":[{"count":0,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/posts\/2034\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/media?parent=2034"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/categories?post=2034"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/tags?post=2034"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.zhidianwl.net\/zhidianwl\/wp-json\/wp\/v2\/topic?post=2034"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![](\"https:\/\/i.cdn.yimenapp.com\/2023-03\/23\/12\/19431905161.jpg\")
<\/figure>\n<\/p>\n