iOS 获取默认值

2024-04-14 03:46:05 430

示例

要在NSUserDefaults中获取值，可以使用以下功能：

迅速

arrayForKey(_:)
boolForKey(_:)
dataForKey(_:)
dictionaryForKey(_:)
floatForKey(_:)
integerForKey(_:)
objectForKey(_:)
stringArrayForKey(_:)
stringForKey(_:)
doubleForKey(_:)
URLForKey(_:)

目标C

-(nullable NSArray *)arrayForKey:(nonnull NSString *)defaultName;
-(BOOL)boolForKey:(nonnull NSString *)defaultName;
-(nullable NSData *)dataForKey:(nonnull NSString *)defaultName;
-(nullable NSDictionary<NSString *, id> *)dictionaryForKey:(nonnull NSString *)defaultName;
-(float)floatForKey:(nonnull NSString *)defaultName;
-(NSInteger)integerForKey:(nonnull NSString *)defaultName;
-(nullable id)objectForKey:(nonnull NSString *)key;
-(nullable NSArray<NSString *> *)stringArrayForKey:(nonnull NSString *)defaultName;
-(nullable NSString *)stringForKey:(nonnull NSString *)defaultName;
-(double)doubleForKey:(nonnull NSString *)defaultName;
-(nullable NSURL *)URLForKey:(nonnull NSString *)defaultName;

用法示例为：

迅速

let homeCountry = NSUserDefaults.standardUserDefaults().stringForKey("HomeCountry")

目标C

NSString *homeCountry = [[NSUserDefaults standardUserDefaults] stringForKey:@"HomeCountry"];

iOS 获取默认值

示例

迅速

目标C

迅速

目标C

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