添加多语言

keyBoard/Class/Home/VC/KBLangTestVC.m

@@ -0,0 +1,61 @@
+//
+//  KBLangTestVC.m
+//  多语言测试页：点击切换语言（在 zh-Hans 与 en 之间），演示运行时生效。
+//
+
+#import "KBLangTestVC.h"
+
+@interface KBLangTestVC ()
+@property (nonatomic, strong) UILabel *label;
+@property (nonatomic, strong) UIButton *toggleBtn;
+@end
+
+@implementation KBLangTestVC
+
+- (void)viewDidLoad {
+    [super viewDidLoad];
+    self.view.backgroundColor = UIColor.whiteColor;
+    [self buildUI];
+    [self refreshTexts];
+
+    // 监听语言变更，实时刷新
+    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(refreshTexts) name:KBLocalizationDidChangeNotification object:nil];
+}
+
+- (void)dealloc {
+    [[NSNotificationCenter defaultCenter] removeObserver:self];
+}
+
+- (void)buildUI {
+    CGFloat w = UIScreen.mainScreen.bounds.size.width;
+
+    self.label = [[UILabel alloc] initWithFrame:CGRectMake(24, 120, w - 48, 60)];
+    self.label.textAlignment = NSTextAlignmentCenter;
+    self.label.numberOfLines = 0;
+    [self.view addSubview:self.label];
+
+    self.toggleBtn = [UIButton buttonWithType:UIButtonTypeSystem];
+    self.toggleBtn.frame = CGRectMake(40, CGRectGetMaxY(self.label.frame) + 24, w - 80, 48);
+    self.toggleBtn.layer.cornerRadius = 8;
+    self.toggleBtn.backgroundColor = [UIColor colorWithRed:0.22 green:0.49 blue:0.96 alpha:1];
+    [self.toggleBtn setTitleColor:UIColor.whiteColor forState:UIControlStateNormal];
+    [self.toggleBtn addTarget:self action:@selector(onToggle) forControlEvents:UIControlEventTouchUpInside];
+    [self.view addSubview:self.toggleBtn];
+}
+
+- (void)refreshTexts {
+    self.title = KBLocalized(@"lang_test_title");
+    NSString *code = [KBLocalizationManager shared].currentLanguageCode ?: @"";
+    NSString *fmt = KBLocalized(@"current_lang");
+    self.label.text = [NSString stringWithFormat:fmt.length ? fmt : @"当前：%@", code];
+    [self.toggleBtn setTitle:KBLocalized(@"lang_toggle") forState:UIControlStateNormal];
+}
+
+- (void)onToggle {
+    KBLocalizationManager *mgr = [KBLocalizationManager shared];
+    NSString *next = [mgr.currentLanguageCode.lowercaseString hasPrefix:@"zh"] ? @"en" : @"zh-Hans";
+    [mgr setCurrentLanguageCode:next persist:YES];
+}
+
+@end
+