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测试代码
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
NSMutableString *m_notiion = [[NSMutableString alloc] init];
m_notiion.string = @"房号密码的功能";
self.m_notiion = m_notiion;
[m_notiion appendString:@"加点文字"];
CHLog(@"UIApplication == %@", self.m_notiion);
}
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使用 strong 修饰
@interface GC_AppDelegate () @property(nonatomic, strong) NSString *m_notiion; @end
- 结果
- 结果
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使用 copy 修饰
@interface GC_AppDelegate () @property(nonatomic, copy) NSString *m_notiion; @end
- 结果
- 结果