{"id":574,"date":"2023-02-25T19:16:51","date_gmt":"2023-02-25T11:16:51","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=574"},"modified":"2023-04-29T20:32:55","modified_gmt":"2023-04-29T12:32:55","slug":"swift-ui-button-uibutton","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/02\/25\/swift-ui-button-uibutton\/","title":{"rendered":"Swift UI – \u6309\u94ae\uff08UIButton\uff09"},"content":{"rendered":"
\n

\u6ce8\uff1a\u4ee3\u7801\u5df2\u5347\u7ea7\u81f3Swift4<\/p>\n<\/blockquote>\n

\u6309\u94ae\u7684\u521b\u5efa<\/h3>\n

\uff081\uff09\u6309\u94ae\u6709\u4e0b\u9762\u56db\u79cd\u7c7b\u578b\uff1a<\/p>\n

<\/p>\n

UIButtonType.system\uff1a\u524d\u9762\u4e0d\u5e26\u56fe\u6807\uff0c\u9ed8\u8ba4\u6587\u5b57\u989c\u8272\u4e3a\u84dd\u8272\uff0c\u6709\u89e6\u6478\u65f6\u7684\u9ad8\u4eae\u6548\u679c\nUIButtonType.custom\uff1a\u5b9a\u5236\u6309\u94ae\uff0c\u524d\u9762\u4e0d\u5e26\u56fe\u6807\uff0c\u9ed8\u8ba4\u6587\u5b57\u989c\u8272\u4e3a\u767d\u8272\uff0c\u65e0\u89e6\u6478\u65f6\u7684\u9ad8\u4eae\u6548\u679c\nUIButtonType.contactAdd\uff1a\u524d\u9762\u5e26\u201c+\u201d\u56fe\u6807\u6309\u94ae\uff0c\u9ed8\u8ba4\u6587\u5b57\u989c\u8272\u4e3a\u84dd\u8272\uff0c\u6709\u89e6\u6478\u65f6\u7684\u9ad8\u4eae\u6548\u679c\nUIButtonType.detailDisclosure\uff1a\u524d\u9762\u5e26\u201c!\u201d\u56fe\u6807\u6309\u94ae\uff0c\u9ed8\u8ba4\u6587\u5b57\u989c\u8272\u4e3a\u84dd\u8272\uff0c\u6709\u89e6\u6478\u65f6\u7684\u9ad8\u4eae\u6548\u679c\nUIButtonType.infoDark\uff1a\u4e3a\u611f\u53f9\u53f7\u201c!\u201d\u5706\u5f62\u6309\u94ae\nUIButtonType.infoLight\uff1a\u4e3a\u611f\u53f9\u53f7\u201c!\u201d\u5706\u5f62\u6309\u94ae<\/code><\/pre>\n
\uff08\u6ce8\u610f\uff1a\u81eaios7\u8d77\uff0cinfoDark\u3001infoLight\u3001detailDisclosure\u6548\u679c\u90fd\u662f\u4e00\u6837\u7684\uff09<\/p>\n
\/\/\u521b\u5efa\u4e00\u4e2aContactAdd\u7c7b\u578b\u7684\u6309\u94ae\nlet button:UIButton = UIButton(type:.contactAdd)\n\/\/\u8bbe\u7f6e\u6309\u94ae\u4f4d\u7f6e\u548c\u5927\u5c0f\nbutton.frame = CGRect(x:10, y:150, width:100, height:30)\n\/\/\u8bbe\u7f6e\u6309\u94ae\u6587\u5b57\nbutton.setTitle("\u6309\u94ae", for:.normal)\nself.view.addSubview(button)<\/code><\/pre>\n
\uff082\uff09\u5bf9\u4e8eCustom\u5b9a\u5236\u7c7b\u578b\u6309\u94ae\uff0c\u4ee3\u7801\u53ef\u7b80\u5316\u4e3a\uff1a<\/p>\n
let button = UIButton(frame:CGRect(x:10, y:150, width:100, height:30))<\/code><\/pre>\n
\u6309\u94ae\u7684\u6587\u5b57\u8bbe\u7f6e<\/h3>\n
button.setTitle("\u666e\u901a\u72b6\u6001", for:.normal) \/\/\u666e\u901a\u72b6\u6001\u4e0b\u7684\u6587\u5b57\nbutton.setTitle("\u89e6\u6478\u72b6\u6001", for:.highlighted) \/\/\u89e6\u6478\u72b6\u6001\u4e0b\u7684\u6587\u5b57\nbutton.setTitle("\u7981\u7528\u72b6\u6001", for:.disabled) \/\/\u7981\u7528\u72b6\u6001\u4e0b\u7684\u6587\u5b57<\/code><\/pre>\n
\u6309\u94ae\u6587\u5b57\u989c\u8272\u7684\u8bbe\u7f6e<\/h3>\n
button.setTitleColor(UIColor.black, for: .normal) \/\/\u666e\u901a\u72b6\u6001\u4e0b\u6587\u5b57\u7684\u989c\u8272\nbutton.setTitleColor(UIColor.green, for: .highlighted) \/\/\u89e6\u6478\u72b6\u6001\u4e0b\u6587\u5b57\u7684\u989c\u8272\nbutton.setTitleColor(UIColor.gray, for: .disabled) \/\/\u7981\u7528\u72b6\u6001\u4e0b\u6587\u5b57\u7684\u989c\u8272<\/code><\/pre>\n
\u6309\u94ae\u6587\u5b57\u9634\u5f71\u989c\u8272\u7684\u8bbe\u7f6e<\/h3>\n
button.setTitleShadowColor(UIColor.green, for:.normal) \/\/\u666e\u901a\u72b6\u6001\u4e0b\u6587\u5b57\u9634\u5f71\u7684\u989c\u8272\nbutton.setTitleShadowColor(UIColor.yellow, for:.highlighted) \/\/\u666e\u901a\u72b6\u6001\u4e0b\u6587\u5b57\u9634\u5f71\u7684\u989c\u8272\nbutton.setTitleShadowColor(UIColor.gray, for:.disabled) \/\/\u666e\u901a\u72b6\u6001\u4e0b\u6587\u5b57\u9634\u5f71\u7684\u989c\u8272<\/code><\/pre>\n
\u6309\u94ae\u6587\u5b57\u7684\u5b57\u4f53\u548c\u5927\u5c0f\u8bbe\u7f6e<\/h3>\n
button.titleLabel?.font = UIFont.systemFont(ofSize: 11)<\/code><\/pre>\n
\u6309\u94ae\u80cc\u666f\u989c\u8272\u8bbe\u7f6e<\/h3>\n
button.backgroundColor = UIColor.black<\/code><\/pre>\n
\u6309\u94ae\u6587\u5b57\u56fe\u6807\u7684\u8bbe\u7f6e<\/h3>\n
\uff081\uff09\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u6309\u94ae\u4f1a\u88ab\u6e32\u67d3\u6210\u5355\u4e00\u989c\u8272<\/p>\n
button.setImage(UIImage(named:"icon1"), forState:.Normal) \/\/\u8bbe\u7f6e\u56fe\u6807\nbutton.adjustsImageWhenHighlighted = false \/\/\u4f7f\u89e6\u6478\u6a21\u5f0f\u4e0b\u6309\u94ae\u4e5f\u4e0d\u4f1a\u53d8\u6697\uff08\u534a\u900f\u660e\uff09\nbutton.adjustsImageWhenDisabled = false \/\/\u4f7f\u7981\u7528\u6a21\u5f0f\u4e0b\u6309\u94ae\u4e5f\u4e0d\u4f1a\u53d8\u6697\uff08\u534a\u900f\u660e\uff09<\/code><\/pre>\n
\uff082\uff09\u4e5f\u53ef\u4ee5\u8bbe\u7f6e\u6210\u4fdd\u7559\u56fe\u6807\u539f\u6765\u7684\u989c\u8272<\/p>\n
let iconImage = UIImage(named:"icon2")?.withRenderingMode(.alwaysOriginal)\nbutton.setImage(iconImage, for:.normal)  \/\/\u8bbe\u7f6e\u56fe\u6807\nbutton.adjustsImageWhenHighlighted = false \/\/\u4f7f\u89e6\u6478\u6a21\u5f0f\u4e0b\u6309\u94ae\u4e5f\u4e0d\u4f1a\u53d8\u6697\uff08\u534a\u900f\u660e\uff09\nbutton.adjustsImageWhenDisabled = false \/\/\u4f7f\u7981\u7528\u6a21\u5f0f\u4e0b\u6309\u94ae\u4e5f\u4e0d\u4f1a\u53d8\u6697\uff08\u534a\u900f\u660e\uff09<\/code><\/pre>\n
\n
\u6ce8\uff1a\u4fee\u6539\u56fe\u6807\u4e0e\u6587\u5b57\u7684\u76f8\u5bf9\u4f4d\u7f6e\u548c\u95f4\u8ddd\uff1a\u9ed8\u8ba4\u56fe\u7247\u548c\u6587\u5b57\u7684\u76f8\u5bf9\u4f4d\u7f6e\u662f\u56fa\u5b9a\u7684\uff08\u6309\u94ae\u5728\u524d\uff0c\u6587\u5b57\u5728\u540e\uff09\u3002\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u6269\u5c55UIButton\u6765\u5b9e\u73b0\u81ea\u7531\u8c03\u6574\u4f4d\u7f6e\u548c\u504f\u79fb\u91cf\uff0c\u5177\u4f53\u53c2\u8003<\/p>\n<\/blockquote>\n
\u8bbe\u7f6e\u6309\u94ae\u80cc\u666f\u56fe\u7247<\/h3>\n
button.setBackgroundImage(UIImage(named:"bg1"), for:.normal)<\/code><\/pre>\n
\u6309\u94ae\u89e6\u6478\u70b9\u51fb\u4e8b\u4ef6\u54cd\u5e94<\/h3>\n
\/\/\u4e0d\u4f20\u9012\u89e6\u6478\u5bf9\u8c61\uff08\u5373\u70b9\u51fb\u7684\u6309\u94ae\uff09\nbutton.addTarget(self, action:#selector(tapped), for:.touchUpInside)\n@objc func tapped() {\n    print("tapped")\n}\n\n\/\/\u4f20\u9012\u89e6\u6478\u5bf9\u8c61\uff08\u5373\u70b9\u51fb\u7684\u6309\u94ae\uff09\uff0c\u9700\u8981\u5728\u5b9a\u4e49action\u53c2\u6570\u65f6\uff0c\u65b9\u6cd5\u540d\u79f0\u540e\u9762\u5e26\u4e0a\u5192\u53f7\nbutton.addTarget(self, action:#selector(tapped(_:)), for:.touchUpInside)\n\n@objc func tapped(_ button:UIButton) {\n    print(button.title(for: .normal))\n}<\/code><\/pre>\n
\u5e38\u7528\u7684\u89e6\u6478\u4e8b\u4ef6\u7c7b\u578b\uff1a<\/p>\n
touchDown\uff1a\u5355\u70b9\u89e6\u6478\u6309\u4e0b\u4e8b\u4ef6\uff0c\u70b9\u89e6\u5c4f\u5e55\ntouchDownRepeat\uff1a\u591a\u70b9\u89e6\u6478\u6309\u4e0b\u4e8b\u4ef6\uff0c\u70b9\u89e6\u8ba1\u6570\u5927\u4e8e1\uff0c\u6309\u4e0b\u7b2c2\u30013\u6216\u7b2c4\u6839\u624b\u6307\u7684\u65f6\u5019\ntouchDragInside\uff1a\u89e6\u6478\u5728\u63a7\u4ef6\u5185\u62d6\u52a8\u65f6\ntouchDragOutside\uff1a\u89e6\u6478\u5728\u63a7\u4ef6\u5916\u62d6\u52a8\u65f6\ntouchDragEnter\uff1a\u89e6\u6478\u4ece\u63a7\u4ef6\u4e4b\u5916\u62d6\u52a8\u5230\u5185\u90e8\u65f6\ntouchDragExit\uff1a\u89e6\u6478\u4ece\u63a7\u4ef6\u5185\u90e8\u62d6\u52a8\u5230\u5916\u90e8\u65f6\ntouchUpInside\uff1a\u5728\u63a7\u4ef6\u4e4b\u5185\u89e6\u6478\u5e76\u62ac\u8d77\u4e8b\u4ef6\ntouchUpOutside\uff1a\u5728\u63a7\u4ef6\u4e4b\u5916\u89e6\u6478\u62ac\u8d77\u4e8b\u4ef6\ntouchCancel\uff1a\u89e6\u6478\u53d6\u6d88\u4e8b\u4ef6\uff0c\u5373\u4e00\u6b21\u89e6\u6478\u56e0\u4e3a\u653e\u4e0a\u592a\u591a\u624b\u6307\u800c\u88ab\u53d6\u6d88\uff0c\u6216\u8005\u7535\u8bdd\u6253\u65ad<\/code><\/pre>\n
\u6309\u94ae\u6587\u5b57\u592a\u957f\u65f6\u7684\u5904\u7406\u65b9\u6cd5<\/h3>\n
\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u6309\u94ae\u6587\u5b57\u592a\u957f\u8d85\u8fc7\u6309\u94ae\u5c3a\u5bf8\uff0c\u5219\u4f1a\u7701\u7565\u4e2d\u95f4\u7684\u6587\u5b57\u3002\u6bd4\u5982\u4e0b\u9762\u4ee3\u7801\uff1a<\/p>\n
let button = UIButton(frame:CGRect(x:20, y:50, width:130, height:50))\nbutton.setTitle("\u8fd9\u4e2a\u662f\u4e00\u6bb5 very \u957f\u7684\u6587\u5b57", for:.normal) \/\/\u666e\u901a\u72b6\u6001\u4e0b\u7684\u6587\u5b57\nbutton.setTitleColor(UIColor.white, for: .normal) \/\/\u666e\u901a\u72b6\u6001\u4e0b\u6587\u5b57\u7684\u989c\u8272\nbutton.backgroundColor = UIColor.orange\nself.view.addSubview(button)<\/code><\/pre>\n
\u8fd0\u884c\u6548\u679c\u662f\u4e2d\u95f4\u6587\u5b57\u4f7f\u7528 … \u4ee3\u66ff\u3002<\/p>\n
\u6211\u4eec\u901a\u8fc7\u4fee\u6539 button \u6309\u94ae\u4e2d titleLabel<\/code> \u7684 lineBreakMode<\/code> \u5c5e\u6027\uff0c\u4fbf\u53ef\u4ee5\u8c03\u6574\u6309\u94ae\u5728\u6587\u5b57\u8d85\u957f\u7684\u60c5\u51b5\u4e0b\u5982\u4f55\u663e\u793a\uff0c\u4ee5\u53ca\u662f\u5426\u6362\u884c\u3002<\/p>\n
\/\/\u7701\u7565\u5c3e\u90e8\u6587\u5b57\nbutton.titleLabel?.lineBreakMode = .byTruncatingTail<\/code><\/pre>\n
lineBreakMode \u5171\u652f\u6301\u5982\u4e0b\u51e0\u79cd\u6837\u5f0f\uff1a<\/p>\n
.byTruncatingHead\uff1a\u7701\u7565\u5934\u90e8\u6587\u5b57\uff0c\u7701\u7565\u90e8\u5206\u7528...\u4ee3\u66ff\n.byTruncatingMiddle\uff1a\u7701\u7565\u4e2d\u95f4\u90e8\u5206\u6587\u5b57\uff0c\u7701\u7565\u90e8\u5206\u7528...\u4ee3\u66ff\uff08\u9ed8\u8ba4\uff09\n.byTruncatingTail\uff1a\u7701\u7565\u5c3e\u90e8\u6587\u5b57\uff0c\u7701\u7565\u90e8\u5206\u7528...\u4ee3\u66ff\n.byClipping\uff1a\u76f4\u63a5\u5c06\u591a\u4f59\u7684\u90e8\u5206\u622a\u65ad\n.byWordWrapping\uff1a\u81ea\u52a8\u6362\u884c\uff08\u6309\u8bcd\u62c6\u5206\uff09\n.byCharWrapping\uff1a\u81ea\u52a8\u6362\u884c\uff08\u6309\u5b57\u7b26\u62c6\u5206\uff09<\/code><\/pre>\n
\n
\u6ce8\u610f\uff1a\u5f53\u8bbe\u7f6e\u81ea\u52a8\u6362\u884c\u540e\uff08byWordWrapping \u6216 byCharWrapping\uff09\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u8bbe\u7f6e title \u65f6\u901a\u8fc7 \\n \u8fdb\u884c\u624b\u52a8\u6362\u884c\u3002<\/p>\n<\/blockquote>\n
button.setTitle("\u6b22\u8fce\u8bbf\u95ee\\nappblog.cn", for:.normal)<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u6ce8\uff1a\u4ee3\u7801\u5df2\u5347\u7ea7\u81f3Swift4 \u6309\u94ae\u7684\u521b\u5efa \uff081\uff09\u6309\u94ae\u6709\u4e0b\u9762\u56db\u79cd\u7c7b\u578b\uff1a UIButtonType.system\uff1a […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[171],"tags":[],"class_list":["post-574","post","type-post","status-publish","format-standard","hentry","category-swift"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/574","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=574"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/574\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=574"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=574"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}