// 自定义textView

galaxy/galaxy.xcodeproj/project.pbxproj

@@ -172,6 +172,7 @@
 		0435FA7F2BA178C100024EAE /* YHCommonAlertView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0435FA7E2BA178C100024EAE /* YHCommonAlertView.swift */; };
 		0435FA812BA186D600024EAE /* YHMyFileMethodTableViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0435FA802BA186D600024EAE /* YHMyFileMethodTableViewCell.swift */; };
 		0435FA832BA2DEB100024EAE /* YHCardButton.swift in Sources */ = {isa = PBXBuildFile; fileRef = 0435FA822BA2DEB100024EAE /* YHCardButton.swift */; };
+		04395F8A2CEDB26500D3005C /* YHAutoTextView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 04395F892CEDB26500D3005C /* YHAutoTextView.swift */; };
 		043B0A352C1190C6008A9BBA /* YHSelectFileSheetView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 043B0A342C1190C6008A9BBA /* YHSelectFileSheetView.swift */; };
 		043BA8752C241B38006EF02D /* YHAddFriendCardCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = 043BA8742C241B38006EF02D /* YHAddFriendCardCell.swift */; };
 		043BA8892C244129006EF02D /* people_head.json in Resources */ = {isa = PBXBuildFile; fileRef = 043BA8882C244129006EF02D /* people_head.json */; };
@@ -1199,6 +1200,7 @@
 		0435FA7E2BA178C100024EAE /* YHCommonAlertView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = YHCommonAlertView.swift; sourceTree = "<group>"; };
 		0435FA802BA186D600024EAE /* YHMyFileMethodTableViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = YHMyFileMethodTableViewCell.swift; sourceTree = "<group>"; };
 		0435FA822BA2DEB100024EAE /* YHCardButton.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = YHCardButton.swift; sourceTree = "<group>"; };
+		04395F892CEDB26500D3005C /* YHAutoTextView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = YHAutoTextView.swift; sourceTree = "<group>"; };
 		043B0A342C1190C6008A9BBA /* YHSelectFileSheetView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = YHSelectFileSheetView.swift; sourceTree = "<group>"; };
 		043BA8742C241B38006EF02D /* YHAddFriendCardCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = YHAddFriendCardCell.swift; sourceTree = "<group>"; };
 		043BA8882C244129006EF02D /* people_head.json */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.json; path = people_head.json; sourceTree = "<group>"; };
@@ -5205,6 +5207,7 @@
 				0418921E2C91BAAC00B9FB94 /* YHBaseDynamicCornerRadiusView.swift */,
 				04F243622C9D4C9700DF2C74 /* YHBaseCornerRadiusBorderView.swift */,
 				04F2432E2C94704200DF2C74 /* YHPaddedLabel.swift */,
+				04395F892CEDB26500D3005C /* YHAutoTextView.swift */,
 			);
 			path = V;
 			sourceTree = "<group>";
@@ -5808,6 +5811,7 @@
 				044EE24C2C94396E00A2FE3A /* YHResignCertificatePassportTableViewCell.swift in Sources */,
 				04F2435B2C9D140C00DF2C74 /* YHHKRecordsTitleCell.swift in Sources */,
 				044F393A2CB7772D007CA277 /* YHVisaRenewalGuideRemarkCell.swift in Sources */,
+				04395F8A2CEDB26500D3005C /* YHAutoTextView.swift in Sources */,
 				041892242C91BCF100B9FB94 /* YHResignRoundCellType.swift in Sources */,
 				04912F7A2CB7A5F400CC3105 /* YHResignHaveAppointedApplicantsInfoCell.swift in Sources */,
 				0430E6722C749E74000511E2 /* YHAdopterBirthViewController.swift in Sources */,

galaxy/galaxy/Classes/Base/V/YHAutoTextView.swift

+//
+//  YHAutoTextView.swift
+//  galaxy
+//
+//  Created by Dufet on 2024/11/20.
+//  Copyright © 2024 https://www.galaxy-immi.com. All rights reserved.
+//
+
+import UIKit
+
+class YHAutoTextView: UITextView, UITextViewDelegate {
+    
+    override open var text: String! {
+        didSet {
+            self.setNeedsLayout()
+            self.layoutIfNeeded()
+        }
+    }
+
+    var placeHolder: String = "" {
+        didSet {
+            placeholderLabel.text = placeHolder
+        }
+    }
+
+    let placeholderLabel: UILabel = {
+        let label = UILabel()
+        label.translatesAutoresizingMaskIntoConstraints = false
+        label.textColor = UIColor.lightGray
+        label.font = UIFont.PFSC_R(ofSize: 15)
+        return label
+    }()
+
+    override init(frame: CGRect, textContainer: NSTextContainer?) {
+        super.init(frame: frame, textContainer: textContainer)
+        delegate = self
+        isScrollEnabled = false // 禁止滚动
+        translatesAutoresizingMaskIntoConstraints = false
+        clearsOnInsertion = true
+        
+        self.addSubview(placeholderLabel)
+        placeholderLabel.snp.makeConstraints { make in
+            make.top.equalTo(5)
+            make.left.equalTo(5)
+            make.right.equalTo(-5)
+        }
+    }
+
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    // UITextViewDelegate 方法
+    func textViewDidChange(_ textView: UITextView) {
+        // 更新自身的高度
+        invalidateIntrinsicContentSize()
+        placeholderLabel.isHidden = !textView.text.isEmpty
+    }
+
+    override var intrinsicContentSize: CGSize {
+        // 计算内容的尺寸
+        let size = sizeThatFits(CGSize(width: frame.width, height: .greatestFiniteMagnitude))
+        return CGSize(width: size.width, height: size.height)
+    }
+}