296 lines
12 KiB
Objective-C
296 lines
12 KiB
Objective-C
//
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// AVLoginViewController.m
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// AVDemo
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//
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#import "AVLoginViewController.h"
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#import "AVUserManager.h"
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#import <Masonry/Masonry.h>
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@interface AVLoginViewController () <UITextFieldDelegate>
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@property (nonatomic, strong) UIImageView *logoImageView;
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@property (nonatomic, strong) UILabel *titleLabel;
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@property (nonatomic, strong) UIView *usernameContainer;
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@property (nonatomic, strong) UITextField *usernameTextField;
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@property (nonatomic, strong) UIView *passwordContainer;
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@property (nonatomic, strong) UITextField *passwordTextField;
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@property (nonatomic, strong) UIButton *passwordToggleButton;
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@property (nonatomic, strong) UIButton *loginButton;
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@end
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@implementation AVLoginViewController
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- (void)viewDidLoad {
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[super viewDidLoad];
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self.view.backgroundColor = [UIColor systemBackgroundColor];
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[self setupUI];
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[self loadSavedUsername];
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// 添加点击手势，点击空白处收起键盘
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UITapGestureRecognizer *tapGesture = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(dismissKeyboard)];
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[self.view addGestureRecognizer:tapGesture];
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}
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- (void)setupUI {
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// Logo 图标
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self.logoImageView = [[UIImageView alloc] initWithImage:[UIImage systemImageNamed:@"play.rectangle.on.rectangle.fill"]];
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self.logoImageView.tintColor = [UIColor systemBlueColor];
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self.logoImageView.contentMode = UIViewContentModeScaleAspectFit;
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[self.view addSubview:self.logoImageView];
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[self.logoImageView mas_makeConstraints:^(MASConstraintMaker *make) {
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make.centerX.equalTo(self.view);
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make.top.equalTo(self.view.mas_safeAreaLayoutGuideTop).offset(80);
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make.width.height.equalTo(@100);
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}];
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// 标题
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self.titleLabel = [[UILabel alloc] init];
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self.titleLabel.text = @"欢迎使用";
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self.titleLabel.font = [UIFont systemFontOfSize:28 weight:UIFontWeightBold];
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self.titleLabel.textAlignment = NSTextAlignmentCenter;
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[self.view addSubview:self.titleLabel];
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[self.titleLabel mas_makeConstraints:^(MASConstraintMaker *make) {
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make.centerX.equalTo(self.view);
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make.top.equalTo(self.logoImageView.mas_bottom).offset(24);
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}];
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// 用户名输入框容器
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self.usernameContainer = [[UIView alloc] init];
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self.usernameContainer.backgroundColor = [UIColor secondarySystemBackgroundColor];
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self.usernameContainer.layer.cornerRadius = 12;
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[self.view addSubview:self.usernameContainer];
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[self.usernameContainer mas_makeConstraints:^(MASConstraintMaker *make) {
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make.centerX.equalTo(self.view);
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make.top.equalTo(self.titleLabel.mas_bottom).offset(60);
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make.left.equalTo(self.view).offset(32);
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make.right.equalTo(self.view).offset(-32);
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make.height.equalTo(@50);
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}];
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// 用户名图标
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UIImageView *usernameIcon = [[UIImageView alloc] initWithImage:[UIImage systemImageNamed:@"person.fill"]];
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usernameIcon.tintColor = [UIColor systemGrayColor];
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usernameIcon.contentMode = UIViewContentModeScaleAspectFit;
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[self.usernameContainer addSubview:usernameIcon];
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[usernameIcon mas_makeConstraints:^(MASConstraintMaker *make) {
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make.left.equalTo(self.usernameContainer).offset(16);
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make.centerY.equalTo(self.usernameContainer);
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make.width.height.equalTo(@20);
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}];
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// 用户名输入框
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self.usernameTextField = [[UITextField alloc] init];
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self.usernameTextField.placeholder = @"请输入用户名";
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self.usernameTextField.font = [UIFont systemFontOfSize:16];
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self.usernameTextField.returnKeyType = UIReturnKeyNext;
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self.usernameTextField.autocapitalizationType = UITextAutocapitalizationTypeNone;
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self.usernameTextField.autocorrectionType = UITextAutocorrectionTypeNo;
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self.usernameTextField.delegate = self;
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[self.usernameContainer addSubview:self.usernameTextField];
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[self.usernameTextField mas_makeConstraints:^(MASConstraintMaker *make) {
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make.left.equalTo(usernameIcon.mas_right).offset(12);
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make.right.equalTo(self.usernameContainer).offset(-16);
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make.centerY.equalTo(self.usernameContainer);
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}];
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// 密码输入框容器
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self.passwordContainer = [[UIView alloc] init];
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self.passwordContainer.backgroundColor = [UIColor secondarySystemBackgroundColor];
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self.passwordContainer.layer.cornerRadius = 12;
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[self.view addSubview:self.passwordContainer];
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[self.passwordContainer mas_makeConstraints:^(MASConstraintMaker *make) {
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make.centerX.equalTo(self.view);
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make.top.equalTo(self.usernameContainer.mas_bottom).offset(16);
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make.left.equalTo(self.view).offset(32);
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make.right.equalTo(self.view).offset(-32);
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make.height.equalTo(@50);
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}];
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// 密码图标
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UIImageView *passwordIcon = [[UIImageView alloc] initWithImage:[UIImage systemImageNamed:@"lock.fill"]];
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passwordIcon.tintColor = [UIColor systemGrayColor];
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passwordIcon.contentMode = UIViewContentModeScaleAspectFit;
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[self.passwordContainer addSubview:passwordIcon];
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[passwordIcon mas_makeConstraints:^(MASConstraintMaker *make) {
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make.left.equalTo(self.passwordContainer).offset(16);
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make.centerY.equalTo(self.passwordContainer);
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make.width.height.equalTo(@20);
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}];
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// 密码输入框
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self.passwordTextField = [[UITextField alloc] init];
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self.passwordTextField.placeholder = @"请输入密码";
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self.passwordTextField.font = [UIFont systemFontOfSize:16];
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self.passwordTextField.secureTextEntry = YES;
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self.passwordTextField.returnKeyType = UIReturnKeyDone;
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self.passwordTextField.autocapitalizationType = UITextAutocapitalizationTypeNone;
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self.passwordTextField.autocorrectionType = UITextAutocorrectionTypeNo;
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self.passwordTextField.delegate = self;
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[self.passwordContainer addSubview:self.passwordTextField];
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// 密码显示/隐藏切换按钮
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self.passwordToggleButton = [UIButton buttonWithType:UIButtonTypeCustom];
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[self.passwordToggleButton setImage:[UIImage systemImageNamed:@"eye.slash.fill"] forState:UIControlStateNormal];
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[self.passwordToggleButton setImage:[UIImage systemImageNamed:@"eye.fill"] forState:UIControlStateSelected];
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self.passwordToggleButton.tintColor = [UIColor systemGrayColor];
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[self.passwordToggleButton addTarget:self action:@selector(togglePasswordVisibility) forControlEvents:UIControlEventTouchUpInside];
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[self.passwordContainer addSubview:self.passwordToggleButton];
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[self.passwordToggleButton mas_makeConstraints:^(MASConstraintMaker *make) {
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make.right.equalTo(self.passwordContainer).offset(-16);
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make.centerY.equalTo(self.passwordContainer);
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make.width.height.equalTo(@24);
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}];
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[self.passwordTextField mas_makeConstraints:^(MASConstraintMaker *make) {
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make.left.equalTo(passwordIcon.mas_right).offset(12);
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make.right.equalTo(self.passwordToggleButton.mas_left).offset(-12);
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make.centerY.equalTo(self.passwordContainer);
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}];
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// 登录按钮
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self.loginButton = [UIButton buttonWithType:UIButtonTypeSystem];
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[self.loginButton setTitle:@"登录" forState:UIControlStateNormal];
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self.loginButton.titleLabel.font = [UIFont systemFontOfSize:18 weight:UIFontWeightSemibold];
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self.loginButton.backgroundColor = [UIColor systemBlueColor];
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[self.loginButton setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
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self.loginButton.layer.cornerRadius = 12;
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[self.loginButton addTarget:self action:@selector(loginButtonTapped) forControlEvents:UIControlEventTouchUpInside];
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[self.view addSubview:self.loginButton];
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[self.loginButton mas_makeConstraints:^(MASConstraintMaker *make) {
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make.centerX.equalTo(self.view);
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make.top.equalTo(self.passwordContainer.mas_bottom).offset(32);
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make.left.equalTo(self.view).offset(32);
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make.right.equalTo(self.view).offset(-32);
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make.height.equalTo(@50);
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}];
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}
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- (void)loadSavedUsername {
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// 从 AVUserManager 获取上次登录的用户名
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NSString *savedUsername = [AVUserManager sharedManager].currentUsername;
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if (savedUsername.length > 0) {
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self.usernameTextField.text = savedUsername;
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NSLog(@"✅ 自动填充用户名: %@", savedUsername);
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// 如果有保存的用户名，自动聚焦到密码输入框
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[self.passwordTextField becomeFirstResponder];
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} else {
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// 如果没有保存的用户名，聚焦到用户名输入框
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[self.usernameTextField becomeFirstResponder];
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}
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}
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#pragma mark - Actions
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- (void)loginButtonTapped {
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[self dismissKeyboard];
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NSString *username = self.usernameTextField.text;
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NSString *password = self.passwordTextField.text;
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// 验证输入
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if (username.length == 0) {
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[self showAlertWithMessage:@"请输入用户名"];
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return;
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}
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if (password.length == 0) {
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[self showAlertWithMessage:@"请输入密码"];
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return;
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}
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// 禁用登录按钮，防止重复提交
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self.loginButton.enabled = NO;
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[self.loginButton setTitle:@"登录中..." forState:UIControlStateNormal];
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self.loginButton.alpha = 0.6;
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// 执行登录（异步）
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__weak typeof(self) weakSelf = self;
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[[AVUserManager sharedManager] loginWithUsername:username password:password completion:^(BOOL success, NSString * _Nullable errorMessage) {
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__strong typeof(weakSelf) strongSelf = weakSelf;
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if (!strongSelf) return;
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// 恢复登录按钮状态
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strongSelf.loginButton.enabled = YES;
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[strongSelf.loginButton setTitle:@"登录" forState:UIControlStateNormal];
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strongSelf.loginButton.alpha = 1.0;
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if (success) {
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// 登录成功，通知代理
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NSLog(@"✅ 登录验证成功");
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if ([strongSelf.delegate respondsToSelector:@selector(loginViewControllerDidLogin:)]) {
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[strongSelf.delegate loginViewControllerDidLogin:strongSelf];
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}
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} else {
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// 登录失败，显示错误信息
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NSLog(@"❌ 登录验证失败: %@", errorMessage);
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[strongSelf showAlertWithMessage:errorMessage ?: @"登录失败，请重试"];
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}
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}];
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}
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- (void)dismissKeyboard {
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[self.view endEditing:YES];
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}
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- (void)togglePasswordVisibility {
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// 切换密码的可见性
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self.passwordTextField.secureTextEntry = !self.passwordTextField.secureTextEntry;
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// 切换按钮状态
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self.passwordToggleButton.selected = !self.passwordToggleButton.selected;
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// 保持光标位置（修复切换时光标跳到开头的问题）
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NSString *currentText = self.passwordTextField.text;
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self.passwordTextField.text = @"";
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self.passwordTextField.text = currentText;
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}
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- (void)showAlertWithMessage:(NSString *)message {
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UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"提示"
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message:message
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preferredStyle:UIAlertControllerStyleAlert];
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[alert addAction:[UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:nil]];
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[self presentViewController:alert animated:YES completion:nil];
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}
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#pragma mark - UITextFieldDelegate
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- (BOOL)textFieldShouldReturn:(UITextField *)textField {
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if (textField == self.usernameTextField) {
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// 用户名输入框按回车，跳到密码输入框
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[self.passwordTextField becomeFirstResponder];
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} else if (textField == self.passwordTextField) {
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// 密码输入框按回车，执行登录
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[self loginButtonTapped];
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}
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return YES;
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}
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#pragma mark - Orientation Support
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- (BOOL)shouldAutorotate {
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return YES;
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}
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- (UIInterfaceOrientationMask)supportedInterfaceOrientations {
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return UIInterfaceOrientationMaskPortrait;
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}
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- (UIInterfaceOrientation)preferredInterfaceOrientationForPresentation {
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return UIInterfaceOrientationPortrait;
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}
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@end
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