/** 清除所有的存储本地的数据 */
- (void)clearAllUserDefaultsData
{
NSUserDefaults *defatluts = [NSUserDefaults standardUserDefaults];
NSDictionary *dictionary = [defatluts dictionaryRepresentation];
for(NSString *key in [dictionary allKeys]){
[defatluts removeObjectForKey:key];
[defatluts synchronize];
}
}
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