打字机demo效果

galaxy/galaxy.xcodeproj/project.pbxproj

@@ -300,6 +300,7 @@
 		047AA3F82C5CC7B0009C4554 /* YHShareStepView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 047AA3F72C5CC7B0009C4554 /* YHShareStepView.swift */; };
 		047AA3FA2C60739E009C4554 /* YHInvitationWithGiftsSelectItemView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 047AA3F92C60739E009C4554 /* YHInvitationWithGiftsSelectItemView.swift */; };
 		047AA3FC2C61EE7F009C4554 /* YHSignAppendStepView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 047AA3FB2C61EE7F009C4554 /* YHSignAppendStepView.swift */; };
+		047AA3FF2C646844009C4554 /* YHTypingEffectViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 047AA3FE2C646844009C4554 /* YHTypingEffectViewController.swift */; };
 		0480976B2BA15269000B9DCA /* YHCertificateInfoCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0480976A2BA15269000B9DCA /* YHCertificateInfoCell.swift */; };
 		0480976D2BA158A1000B9DCA /* YHCertificateListVC.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0480976C2BA158A1000B9DCA /* YHCertificateListVC.swift */; };
 		048097712BA18D66000B9DCA /* YHCertificateSearchBar.swift in Sources */ = {isa = PBXBuildFile; fileRef = 048097702BA18D66000B9DCA /* YHCertificateSearchBar.swift */; };
@@ -943,6 +944,7 @@
 		047AA3F72C5CC7B0009C4554 /* YHShareStepView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = YHShareStepView.swift; sourceTree = "<group>"; };
 		047AA3F92C60739E009C4554 /* YHInvitationWithGiftsSelectItemView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = YHInvitationWithGiftsSelectItemView.swift; sourceTree = "<group>"; };
 		047AA3FB2C61EE7F009C4554 /* YHSignAppendStepView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = YHSignAppendStepView.swift; sourceTree = "<group>"; };
+		047AA3FE2C646844009C4554 /* YHTypingEffectViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = YHTypingEffectViewController.swift; sourceTree = "<group>"; };
 		0480976A2BA15269000B9DCA /* YHCertificateInfoCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = YHCertificateInfoCell.swift; sourceTree = "<group>"; };
 		0480976C2BA158A1000B9DCA /* YHCertificateListVC.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = YHCertificateListVC.swift; sourceTree = "<group>"; };
 		048097702BA18D66000B9DCA /* YHCertificateSearchBar.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = YHCertificateSearchBar.swift; sourceTree = "<group>"; };
@@ -1378,6 +1380,7 @@
 			children = (
 				0419A0992C48F87B00A5FCFA /* YHInvitationWithGiftsViewController.swift */,
 				047AA3D82C4A4A91009C4554 /* YHInvatationShareViewController.swift */,
+				047AA3FE2C646844009C4554 /* YHTypingEffectViewController.swift */,
 			);
 			path = C;
 			sourceTree = "<group>";
@@ -3924,6 +3927,7 @@
 				044CF8D42BB6BCF700008CE8 /* YHSignatureUploadTableViewCell.swift in Sources */,
 				A567E5B02BD7643D00D5D5A0 /* YHHomeWebBottomView.swift in Sources */,
 				045EEF0D2B9F171A0022A143 /* YHBasicInfoFillCell.swift in Sources */,
+				047AA3FF2C646844009C4554 /* YHTypingEffectViewController.swift in Sources */,
 				044D0C1A2C22B40B00C5CF5E /* YHEditPersonalProfileViewController.swift in Sources */,
 				047AA3E82C4A6D69009C4554 /* YHListViewController.swift in Sources */,
 				048787D92BCF68530036E221 /* YHProgressView.swift in Sources */,

galaxy/galaxy/Classes/Modules/Home(首页)/InvitationWithGifts(邀请有礼)/C/YHTypingEffectViewController.swift

+//
+//  YHTypingEffectViewController.swift
+//  galaxy
+//
+//  Created by EDY on 2024/8/8.
+//  Copyright © 2024 https://www.galaxy-immi.com. All rights reserved.
+//
+
+import UIKit
+
+class YHTypingEffectViewController: YHBaseViewController {
+
+    private let label: UILabel = {
+        let label = UILabel()
+        label.numberOfLines = 0
+        label.font = UIFont.systemFont(ofSize: 18)
+        label.textColor = .white
+        label.textAlignment = .center
+        return label
+    }()
+    
+    private var displayLink: CADisplayLink?
+    private var currentIndex: Int = 0
+    private var fullText: String = "恭喜您申请的【优秀人才入境计划】"
+    private var centerText: String = "已获得港府的正式批准！"
+    private var lastText: String = "从递交资料伊始，经历了235天，感谢您这一路以来对银河的信赖与包容！"
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        view.backgroundColor = .black
+        
+        view.addSubview(label)
+        label.frame = view.bounds
+        
+        startTypingEffect()
+    }
+    
+    private func startTypingEffect() {
+        displayLink = CADisplayLink(target: self, selector: #selector(handleDisplayLink(_:)))
+        displayLink?.preferredFramesPerSecond = Int(1 / 0.1) // 设置帧率
+        displayLink?.add(to: .current, forMode: .common)
+    }
+    
+    @objc private func handleDisplayLink(_ displayLink: CADisplayLink) {
+        if currentIndex < fullText.count + centerText.count + lastText.count {
+            var index = currentIndex
+            if currentIndex >= fullText.count {
+                index = fullText.count
+            }
+            let attributedString = NSMutableAttributedString(string: String(fullText[..<index]),
+                                                             attributes: [
+                                                                NSAttributedString.Key.foregroundColor: UIColor.white,
+                                                                NSAttributedString.Key.paragraphStyle: {
+                                                                    let style = NSMutableParagraphStyle()
+                                                                    style.lineSpacing = 8 //控制行间距
+                                                                    style.alignment = .center
+                                                                    return style
+                                                                }()
+                                                             ])
+            var centerIndex = 0
+            if currentIndex >= fullText.count + centerText.count {
+                centerIndex = centerText.count
+            } else if currentIndex >= fullText.count {
+                centerIndex = currentIndex - fullText.count
+            }
+            let centerattributedString = NSMutableAttributedString(string: String(centerText[..<centerIndex]),
+                                                             attributes: [
+                                                                NSAttributedString.Key.foregroundColor: UIColor.red,
+                                                                NSAttributedString.Key.paragraphStyle: {
+                                                                    let style = NSMutableParagraphStyle()
+                                                                    style.lineSpacing = 8 //控制行间距
+                                                                    style.alignment = .center
+                                                                    return style
+                                                                }()
+                                                             ])
+            var lastIndex = 0
+            if currentIndex >= fullText.count + centerText.count {
+                lastIndex = currentIndex - fullText.count - centerText.count
+            }
+            let lastattributedString = NSMutableAttributedString(string: String(lastText[..<lastIndex]),
+                                                             attributes: [
+                                                                NSAttributedString.Key.foregroundColor: UIColor.white,
+                                                                NSAttributedString.Key.paragraphStyle: {
+                                                                    let style = NSMutableParagraphStyle()
+                                                                    style.lineSpacing = 8 //控制行间距
+                                                                    style.alignment = .center
+                                                                    return style
+                                                                }()
+                                                             ])
+            var result = NSMutableAttributedString(attributedString: attributedString)
+            result.append(centerattributedString)
+            result.append(lastattributedString)
+            label.attributedText = result
+            currentIndex += 1
+        } else {
+            displayLink.invalidate()
+        }
+    }
+}

galaxy/galaxy/Classes/Modules/Home(首页)/InvitationWithGifts(邀请有礼)/VM/YHInvitationWithGiftsViewModel.swift

@@ -85,7 +85,7 @@ class YHInvitationWithGiftsViewModel: YHBaseViewModel {
         if self.state < 3 {
             param.updateValue(self.state + 1, forKey: "status")
         }
-        if registered_date.isEmpty {
+        if !registered_date.isEmpty {
             param.updateValue(registered_date, forKey: "registered_date")
         }