{"id":3983,"date":"2025-06-03T11:25:10","date_gmt":"2025-06-05T03:53:10","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=3983"},"modified":"2025-06-05T11:25:10","modified_gmt":"2025-06-05T03:53:10","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8swift%e4%b8%ad%e7%9a%84%e6%96%87%e6%9c%ac%e8%a7%86%e5%9b%be","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8swift%e4%b8%ad%e7%9a%84%e6%96%87%e6%9c%ac%e8%a7%86%e5%9b%be\/","title":{"rendered":"\u5168\u9762\u638c\u63e1Swift\u4e2d\u7684UITextView\uff1a2025\u5e74\u6700\u65b0\u6559\u7a0b"},"content":{"rendered":"

<\/p>\n

\u5168\u9762\u638c\u63e1Swift\u4e2d\u7684UITextView\uff1a2025\u5e74\u6700\u65b0\u6559\u7a0b<\/h1>\n

Swift\u662f\u4e00\u79cd\u5f3a\u5927\u7684\u7f16\u7a0b\u8bed\u8a00\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8eiOS\u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u3002\u5728Swift\u4e2d\uff0c`UITextView`\u662f\u4e00\u4e2a\u5e38\u7528\u63a7\u4ef6\uff0c\u7528\u4e8e\u663e\u793a\u548c\u7f16\u8f91\u591a\u884c\u6587\u672c\u5185\u5bb9\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u8ba8\u5982\u4f55\u4f7f\u7528`UITextView`\uff0c\u5305\u62ec\u521b\u5efa\u5b9e\u4f8b\u3001\u8bbe\u7f6e\u548c\u83b7\u53d6\u6587\u672c\u5185\u5bb9\u3001\u5904\u7406\u4e8b\u4ef6\u7b49\u6700\u65b0\u6700\u4f73\u5b9e\u8df5\u3002<\/p>\n

\u521b\u5efaUITextView\u5b9e\u4f8b<\/h2>\n

\u8981\u5728Swift\u4e2d\u5b9e\u73b0\u6587\u672c\u89c6\u56fe\uff0c\u9996\u5148\u9700\u8981\u521b\u5efa\u4e00\u4e2a`UITextView`\u7c7b\u7684\u5b9e\u4f8b\uff0c\u5e76\u5c06\u5176\u6dfb\u52a0\u5230\u89c6\u56fe\u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n

“`swift
\nlet textView = UITextView()
\ntextView.frame = CGRect(x: 20, y: 50, width: 300, height: 200) \/\/ \u8bbe\u7f6e\u6587\u672c\u89c6\u56fe\u7684\u4f4d\u7f6e\u548c\u5927\u5c0f
\ntextView.font = UIFont.systemFont(ofSize: 16) \/\/ \u8bbe\u7f6e\u5b57\u4f53
\ntextView.textColor = UIColor.black \/\/ \u8bbe\u7f6e\u6587\u672c\u989c\u8272
\nview.addSubview(textView) \/\/ \u5c06\u6587\u672c\u89c6\u56fe\u6dfb\u52a0\u5230\u4e3b\u89c6\u56fe
\n“`<\/p>\n

\u8bbe\u7f6e\u6587\u672c\u89c6\u56fe\u7684\u6587\u672c\u5185\u5bb9<\/h2>\n

\u8981\u8bbe\u7f6e\u6587\u672c\u89c6\u56fe\u7684\u6587\u672c\u5185\u5bb9\uff0c\u53ef\u4ee5\u4f7f\u7528`textView.text`\u5c5e\u6027\uff0c\u8fd9\u662f\u4e00\u4e2a\u53ef\u8bfb\u5199\u7684\u5b57\u7b26\u4e32\u5c5e\u6027\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n

“`swift
\ntextView.text = “Hello, World!” \/\/ \u8bbe\u7f6e\u521d\u59cb\u6587\u672c
\n“`<\/p>\n

\u83b7\u53d6\u6587\u672c\u89c6\u56fe\u7684\u6587\u672c\u5185\u5bb9<\/h2>\n

\u83b7\u53d6\u6587\u672c\u89c6\u56fe\u7684\u5185\u5bb9\u540c\u6837\u7b80\u5355\uff0c\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee`textView.text`\u5c5e\u6027\u3002\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n

“`swift
\nlet text = textView.text \/\/ \u83b7\u53d6\u5f53\u524d\u6587\u672c\u5185\u5bb9
\nprint(text) \/\/ \u6253\u5370\u6587\u672c\u5185\u5bb9
\n“`<\/p>\n

\u4e3a\u6587\u672c\u89c6\u56fe\u6dfb\u52a0\u4e8b\u4ef6\u5904\u7406\u65b9\u6cd5<\/h2>\n

\u8981\u4e3a\u6587\u672c\u89c6\u56fe\u6dfb\u52a0\u4e8b\u4ef6\u5904\u7406\u65b9\u6cd5\uff0c\u53ef\u4ee5\u4f7f\u7528`textView.delegate`\u548c\u76f8\u5e94\u7684`UITextViewDelegate`\u65b9\u6cd5\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u6dfb\u52a0\u4e8b\u4ef6\u5904\u7406\u7684\u793a\u4f8b\uff1a<\/p>\n

“`swift
\nclass ViewController: UIViewController, UITextViewDelegate {<\/p>\n

let textView = UITextView()<\/p>\n

override func viewDidLoad() {
\n super.viewDidLoad()
\n textView.delegate = self \/\/ \u8bbe\u7f6e\u4ee3\u7406
\n \/\/ \u5176\u4ed6\u521d\u59cb\u5316\u4ee3\u7801…
\n }<\/p>\n

\/\/ UITextViewDelegate\u65b9\u6cd5
\n func textViewDidChange(_ textView: UITextView) {
\n print(“\u6587\u672c\u5df2\u66f4\u6539: \\(textView.text)”) \/\/ \u6587\u672c\u53d8\u5316\u65f6\u6253\u5370\u5185\u5bb9
\n }
\n}<\/p>\n

\/\/ \u5728\u89c6\u56fe\u4e2d\u6dfb\u52a0\u6587\u672c\u89c6\u56fe
\nview.addSubview(textView)
\n“`<\/p>\n

\u901a\u8fc7\u5b9e\u73b0`UITextViewDelegate`\u7684`textViewDidChange`\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u6587\u672c\u53d8\u5316\u65f6\u6267\u884c\u7279\u5b9a\u64cd\u4f5c\u3002<\/p>\n

\u5e38\u89c1\u9519\u8bef\u6392\u9664<\/h2>\n

\u5728\u4f7f\u7528`UITextView`\u65f6\uff0c\u60a8\u53ef\u80fd\u4f1a\u9047\u5230\u4e00\u4e9b\u5e38\u89c1\u9519\u8bef\uff0c\u4f8b\u5982\uff1a<\/p>\n

– **\u6587\u672c\u672a\u663e\u793a**\uff1a\u786e\u4fdd`UITextView`\u7684`frame`\u8bbe\u7f6e\u6b63\u786e\uff0c\u5e76\u4e14\u5df2\u6dfb\u52a0\u5230\u89c6\u56fe\u5c42\u6b21\u7ed3\u6784\u4e2d\u3002
\n– **\u4e8b\u4ef6\u672a\u89e6\u53d1**\uff1a\u786e\u4fdd\u5df2\u8bbe\u7f6e`delegate`\uff0c\u5e76\u5b9e\u73b0\u76f8\u5e94\u7684`UITextViewDelegate`\u65b9\u6cd5\u3002<\/p>\n

\u5ef6\u4f38\u5e94\u7528<\/h2>\n

`UITextView`\u4e0d\u4ec5\u7528\u4e8e\u663e\u793a\u548c\u7f16\u8f91\u6587\u672c\uff0c\u8fd8\u53ef\u4ee5\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u529f\u80fd\uff0c\u4f8b\u5982\uff1a<\/p>\n

1. **\u5bcc\u6587\u672c\u652f\u6301**\uff1a\u4f7f\u7528`attributedText`\u5c5e\u6027\u6765\u8bbe\u7f6e\u5bcc\u6587\u672c\u3002
\n2. **\u94fe\u63a5\u68c0\u6d4b**\uff1a\u542f\u7528`dataDetectorTypes`\u5c5e\u6027\u6765\u81ea\u52a8\u68c0\u6d4b\u94fe\u63a5\u548c\u7535\u8bdd\u53f7\u7801\u3002
\n3. **\u81ea\u5b9a\u4e49\u6837\u5f0f**\uff1a\u901a\u8fc7`textContainer`\u548c`textContainerInset`\u5c5e\u6027\u6765\u8c03\u6574\u6587\u672c\u7684\u663e\u793a\u6837\u5f0f\u3002<\/p>\n

\u7ed3\u8bba<\/h2>\n

\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u5982\u4f55\u4f7f\u7528Swift\u4e2d\u7684`UITextView`\uff0c\u5305\u62ec\u521b\u5efa\u5b9e\u4f8b\u3001\u8bbe\u7f6e\u548c\u83b7\u53d6\u6587\u672c\u5185\u5bb9\u3001\u6dfb\u52a0\u4e8b\u4ef6\u5904\u7406\u65b9\u6cd5\u7b49\u3002\u638c\u63e1\u8fd9\u4e9b\u6280\u5de7\u5c06\u5e2e\u52a9\u60a8\u5728iOS\u5e94\u7528\u7a0b\u5e8f\u5f00\u53d1\u4e2d\u66f4\u6709\u6548\u5730\u4f7f\u7528\u6587\u672c\u89c6\u56fe\u3002<\/p>\n

Q&A\uff08\u5e38\u89c1\u95ee\u9898\u89e3\u7b54\uff09<\/h2>\n

**Q1: UITextView\u53ef\u4ee5\u663e\u793a\u5bcc\u6587\u672c\u5417\uff1f**
\n\u662f\u7684\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528`attributedText`\u5c5e\u6027\u6765\u8bbe\u7f6e\u5bcc\u6587\u672c\u3002<\/p>\n

**Q2: \u5982\u4f55\u9650\u5236UITextView\u4e2d\u7684\u5b57\u7b26\u6570\uff1f**
\n\u60a8\u53ef\u4ee5\u5b9e\u73b0`UITextViewDelegate`\u7684`textView(_:shouldChangeTextIn:replacementText:)`\u65b9\u6cd5\u6765\u63a7\u5236\u8f93\u5165\u7684\u5b57\u7b26\u6570\u3002<\/p>\n

**Q3: UITextView\u652f\u6301\u54ea\u4e9b\u624b\u52bf\uff1f**
\n\u60a8\u53ef\u4ee5\u4f7f\u7528`gestureRecognizers`\u5c5e\u6027\u6dfb\u52a0\u81ea\u5b9a\u4e49\u624b\u52bf\u8bc6\u522b\u5668\u4ee5\u54cd\u5e94\u7528\u6237\u624b\u52bf\u3002<\/p>\n

—<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528Swift\u4e2d\u7684\u6587\u672c\u89c6\u56fe\uff0c\u5305\u62ec\u4f7f\u7528UITextView\u7c7b\u5b9e\u73b0\u6587\u672c\u89c6\u56fe\u3001\u8bbe\u7f6e\u6587\u672c\u89c6\u56fe\u7684\u6587\u672c\u5185\u5bb9\u3001\u83b7\u53d6\u6587\u672c\u89c6\u56fe\u7684\u6587\u672c\u5185\u5bb9\u3001\u4e3a\u6587\u672c\u89c6\u56fe\u6dfb\u52a0\u4e8b\u4ef6\u5904\u7406\u65b9\u6cd5\u7b49\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":[174,5],"tags":[173,9],"class_list":["post-3983","post","type-post","status-publish","format-standard","hentry","category-ios","category-swift","tag-ios","tag-swift"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-12f","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3983","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=3983"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3983\/revisions"}],"predecessor-version":[{"id":3984,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/3983\/revisions\/3984"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=3983"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=3983"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=3983"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}