apple login

keyBoard/Class/Login/VC/LoginViewController.m

@@ -0,0 +1,154 @@
+// LoginViewController.m
+
+#import "LoginViewController.h"
+#import "AppleSignInManager.h"
+#import <AuthenticationServices/AuthenticationServices.h>
+#import <Masonry/Masonry.h>
+
+@interface LoginViewController ()
+// 容器视图（用于居中摆放内容）
+@property (nonatomic, strong) UIView *contentView;
+// 标题标签（懒加载）
+@property (nonatomic, strong) UILabel *titleLabel;
+// Apple 登录按钮容器（懒加载）
+@property (nonatomic, strong) UIView *appleContainer;
+// iOS13+ 的 Apple 登录按钮（懒加载）
+@property (nonatomic, strong) ASAuthorizationAppleIDButton *appleButton API_AVAILABLE(ios(13.0));
+// iOS13 以下的占位按钮（懒加载）
+@property (nonatomic, strong) UIButton *compatHintButton;
+@end
+
+@implementation LoginViewController
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    if (@available(iOS 13.0, *)) {
+        self.view.backgroundColor = [UIColor systemBackgroundColor];
+    } else {
+        self.view.backgroundColor = [UIColor whiteColor];
+    }
+    [self setupUI]; // 仅做布局，控件懒加载
+}
+
+- (void)setupUI {
+    // 添加并约束 contentView
+    [self.view addSubview:self.contentView];
+    [self.contentView mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.center.equalTo(self.view);
+        make.left.equalTo(self.view).offset(24);
+        make.right.equalTo(self.view).offset(-24);
+    }];
+
+    // 添加并约束 titleLabel
+    [self.contentView addSubview:self.titleLabel];
+    [self.titleLabel mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.top.left.right.equalTo(self.contentView);
+    }];
+
+    // 添加并约束 appleContainer
+    [self.contentView addSubview:self.appleContainer];
+    [self.appleContainer mas_makeConstraints:^(MASConstraintMaker *make) {
+        make.top.equalTo(self.titleLabel.mas_bottom).offset(24);
+        make.left.right.equalTo(self.contentView);
+        make.height.mas_equalTo(50);
+        make.bottom.equalTo(self.contentView);
+    }];
+}
+
+// 懒加载：容器视图
+- (UIView *)contentView {
+    if (!_contentView) {
+        _contentView = [UIView new];
+    }
+    return _contentView;
+}
+
+// 懒加载：标题
+- (UILabel *)titleLabel {
+    if (!_titleLabel) {
+        _titleLabel = [UILabel new];
+        _titleLabel.text = @"登录";
+        _titleLabel.font = [UIFont boldSystemFontOfSize:24];
+        _titleLabel.textAlignment = NSTextAlignmentCenter;
+    }
+    return _titleLabel;
+}
+
+// 懒加载：Apple 按钮容器（内部放按钮或占位提示）
+- (UIView *)appleContainer {
+    if (!_appleContainer) {
+        _appleContainer = [UIView new];
+        if (@available(iOS 13.0, *)) {
+            [_appleContainer addSubview:self.appleButton];
+            [self.appleButton mas_makeConstraints:^(MASConstraintMaker *make) {
+                make.edges.equalTo(_appleContainer);
+            }];
+        } else {
+            [_appleContainer addSubview:self.compatHintButton];
+            [self.compatHintButton mas_makeConstraints:^(MASConstraintMaker *make) {
+                make.edges.equalTo(_appleContainer);
+            }];
+        }
+    }
+    return _appleContainer;
+}
+
+// 懒加载：Apple 登录按钮（iOS13+）
+- (ASAuthorizationAppleIDButton *)appleButton API_AVAILABLE(ios(13.0)) {
+    if (!_appleButton) {
+        _appleButton = [ASAuthorizationAppleIDButton new];
+        [_appleButton addTarget:self action:@selector(handleAppleIDButtonPress) forControlEvents:UIControlEventTouchUpInside];
+    }
+    return _appleButton;
+}
+
+// 懒加载：iOS13 以下占位提示
+- (UIButton *)compatHintButton {
+    if (!_compatHintButton) {
+        _compatHintButton = [UIButton buttonWithType:UIButtonTypeSystem];
+        [_compatHintButton setTitle:@"需要 iOS13+ 才能使用 Apple 登录" forState:UIControlStateNormal];
+        _compatHintButton.enabled = NO;
+    }
+    return _compatHintButton;
+}
+
+- (void)handleAppleIDButtonPress API_AVAILABLE(ios(13.0)) {
+    __weak typeof(self) weakSelf = self;
+    [[AppleSignInManager shared] signInFromViewController:self completion:^(ASAuthorizationAppleIDCredential * _Nullable credential, NSError * _Nullable error) {
+        __strong typeof(weakSelf) selfStrong = weakSelf;
+        if (error) {
+            if (selfStrong.onLoginFailure) selfStrong.onLoginFailure(error);
+            return;
+        }
+        if (!credential) return;
+
+        NSString *userID = credential.user ?: @"";
+        NSString *email = credential.email ?: @""; // 仅在首次授权时返回
+        NSPersonNameComponents *name = credential.fullName; // 同上，仅首次返回
+        NSString *givenName = name.givenName ?: @"";
+        NSString *familyName = name.familyName ?: @"";
+
+        NSMutableDictionary *info = [@{ @"userIdentifier": userID } mutableCopy];
+        if (email.length) info[@"email"] = email;
+        if (givenName.length || familyName.length) {
+            info[@"givenName"] = givenName;
+            info[@"familyName"] = familyName;
+        }
+
+        // 如需服务端校验，附带 identityToken / authorizationCode
+        NSData *tokenData = credential.identityToken;
+        if (tokenData) {
+            NSString *token = [[NSString alloc] initWithData:tokenData encoding:NSUTF8StringEncoding] ?: @"";
+            if (token.length) info[@"identityToken"] = token;
+        }
+        NSData *codeData = credential.authorizationCode;
+        if (codeData) {
+            NSString *code = [[NSString alloc] initWithData:codeData encoding:NSUTF8StringEncoding] ?: @"";
+            if (code.length) info[@"authorizationCode"] = code;
+        }
+
+        if (selfStrong.onLoginSuccess) selfStrong.onLoginSuccess(info);
+    }];
+}
+
+@end