{"id":573,"date":"2023-02-25T19:15:57","date_gmt":"2023-02-25T11:15:57","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=573"},"modified":"2023-04-29T20:33:06","modified_gmt":"2023-04-29T12:33:06","slug":"swift-ui-text-uilabel","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/02\/25\/swift-ui-text-uilabel\/","title":{"rendered":"Swift UI – \u6587\u672c\u6807\u7b7e\uff08UILabel\uff09"},"content":{"rendered":"
\n

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

iOS\u5f00\u53d1\u7ecf\u5e38\u4f1a\u9047\u5230\u8bfb\u6587\u4ef6\uff0c\u5199\u6587\u4ef6\u7b49\uff0c\u5bf9\u6587\u4ef6\u548c\u6587\u4ef6\u5939\u7684\u64cd\u4f5c\uff0c\u8fd9\u65f6\u5c31\u53ef\u4ee5\u4f7f\u7528FileManager\uff0cFileHandle\u7b49\u7c7b\u6765\u5b9e\u73b0\u3002<\/p>\n

<\/p>\n

\u6807\u7b7e\u7684\u521b\u5efa<\/h3>\n
import UIKit\n\nclass ViewController: UIViewController {\n\n    override func viewDidLoad() {\n        super.viewDidLoad()\n        \/\/\u8bbe\u7f6e\u6807\u7b7ex\u5750\u6807\uff1a10\uff0cy\u5750\u6807\uff1a20\uff0c\u957f\uff1a300\uff0c\u5bbd\uff1a100\n        let label = UILabel(frame:CGRect(x:10, y:20, width:300, height:100))\n        label.text = "appblog.cn"\n        self.view.addSubview(label);\n    }\n}<\/code><\/pre>\n
\u80cc\u666f\u989c\u8272\u548c\u6587\u5b57\u989c\u8272\u7684\u8bbe\u7f6e<\/h3>\n
label.textColor = UIColor.white  \/\/\u767d\u8272\u6587\u5b57\nlabel.backgroundColor = UIColor.black  \/\/\u9ed1\u8272\u80cc\u666f<\/code><\/pre>\n
\u5bf9\u9f50\u65b9\u5f0f\u7684\u8bbe\u7f6e<\/h3>\n
label.textAlignment = .right  \/\/\u6587\u5b57\u53f3\u5bf9\u9f50<\/code><\/pre>\n
\u6587\u5b57\u9634\u5f71\u7684\u8bbe\u7f6e<\/h3>\n
label.shadowColor = UIColor.gray  \/\/\u7070\u8272\u9634\u5f71\nlabel.shadowOffset = CGSize(width:1.5, height:1.5)  \/\/\u9634\u5f71\u7684\u504f\u79fb\u91cf<\/code><\/pre>\n
\u5b57\u4f53\u7684\u8bbe\u7f6e<\/h3>\n
label.font = UIFont(name:"Zapfino", size:20)<\/code><\/pre>\n
\u6587\u5b57\u8fc7\u957f\u65f6\u7684\u7701\u7565\u65b9\u5f0f<\/h3>\n
label.lineBreakMode = .byTruncatingTail  \/\/\u9690\u85cf\u5c3e\u90e8\u5e76\u663e\u793a\u7701\u7565\u53f7\nlabel.lineBreakMode = .byTruncatingMiddle  \/\/\u9690\u85cf\u4e2d\u95f4\u90e8\u5206\u5e76\u663e\u793a\u7701\u7565\u53f7\nlabel.lineBreakMode = .byTruncatingHead  \/\/\u9690\u85cf\u5934\u90e8\u5e76\u663e\u793a\u7701\u7565\u53f7\nlabel.lineBreakMode = .byClipping  \/\/\u622a\u53bb\u591a\u4f59\u90e8\u5206\u4e5f\u4e0d\u663e\u793a\u7701\u7565\u53f7<\/code><\/pre>\n
\u6587\u5b57\u5927\u5c0f\u81ea\u9002\u5e94\u6807\u7b7e\u5bbd\u5ea6<\/h3>\n
label.adjustsFontSizeToFitWidth = true  \/\/\u5f53\u6587\u5b57\u8d85\u51fa\u6807\u7b7e\u5bbd\u5ea6\u65f6\uff0c\u81ea\u52a8\u8c03\u6574\u6587\u5b57\u5927\u5c0f\uff0c\u4f7f\u5176\u4e0d\u88ab\u622a\u65ad<\/code><\/pre>\n
\u4f7f\u6807\u7b7e\u53ef\u4ee5\u663e\u793a\u591a\u884c\u6587\u5b57<\/h3>\n
label.numberOfLines = 2  \/\/\u663e\u793a\u4e24\u884c\u6587\u5b57\uff08\u9ed8\u8ba4\u53ea\u663e\u793a\u4e00\u884c\uff0c\u8bbe\u4e3a0\u8868\u793a\u6ca1\u6709\u884c\u6570\u9650\u5236\uff09<\/code><\/pre>\n
\u8bbe\u7f6e\u6587\u672c\u9ad8\u4eae<\/h3>\n
\/\/\u8bbe\u7f6e\u6587\u672c\u9ad8\u4eae\nlabel.isHighlighted = true\n\/\/\u8bbe\u7f6e\u6587\u672c\u9ad8\u4eae\u989c\u8272\nlabel.highlightedTextColor = UIColor.green<\/code><\/pre>\n
\u5bcc\u6587\u672c\u8bbe\u7f6e<\/h3>\n
\/\/\u5bcc\u6587\u672c\u8bbe\u7f6e\nlet attributeString = NSMutableAttributedString(string:"welcome to appblog.cn")\n\/\/\u4ece\u6587\u672c0\u5f00\u59cb6\u4e2a\u5b57\u7b26\u5b57\u4f53HelveticaNeue-Bold,16\u53f7\nattributeString.addAttribute(NSFontAttributeName,\n                            value: UIFont(name: "HelveticaNeue-Bold", size: 16)!,\n                            range: NSMakeRange(0, 6))\n\/\/\u8bbe\u7f6e\u5b57\u4f53\u989c\u8272\nattributeString.addAttribute(NSForegroundColorAttributeName, value: UIColor.blue,\n                            range: NSMakeRange(0, 3))\n\/\/\u8bbe\u7f6e\u6587\u5b57\u80cc\u666f\u989c\u8272\nattributeString.addAttribute(NSBackgroundColorAttributeName, value: UIColor.green,\n                            range: NSMakeRange(3, 3))\nlabel.attributedText = attributeString<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u6ce8\uff1a\u4ee3\u7801\u5df2\u5347\u7ea7\u81f3Swift4 iOS\u5f00\u53d1\u7ecf\u5e38\u4f1a\u9047\u5230\u8bfb\u6587\u4ef6\uff0c\u5199\u6587\u4ef6\u7b49\uff0c\u5bf9\u6587\u4ef6\u548c\u6587\u4ef6\u5939\u7684\u64cd\u4f5c\uff0c\u8fd9\u65f6\u5c31\u53ef\u4ee5\u4f7f\u7528Fil […]<\/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-573","post","type-post","status-publish","format-standard","hentry","category-swift"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/573","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=573"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/573\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=573"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}