貢獻一個單例的例子 供大家學習！
- (id)init
{
if ( self = [super init] )
{
info = [[NSMutableDictionary dictionaryWithContentsOfFile:getFullPath(@"localUserInfo")]retain];
if (!info) {
info = [[NSMutableDictionary dictionaryWithObjectsAndKeys:
@"",@"phoneNumber",
@"",@"nickName",
nil]retain];
}
}
return self;
}
+ (LocalUserInfo *)sharedSingleton
{
static LocalUserInfo *sharedSingleton;
@synchronized(self)
{
if (!sharedSingleton)
sharedSingleton = [[LocalUserInfo alloc] init];
return sharedSingleton;
}
}
+ (NSString *)phoneNumber{
return [[[LocalUserInfo sharedSingleton] info] objectForKey:@"phoneNumber"];
}
+ (NSString *)nickName{
return [[[LocalUserInfo sharedSingleton] info] objectForKey:@"nickName"];
}
+ (void)setPhoneNumber :(NSString *) data{
[[[LocalUserInfo sharedSingleton] info] setObject:data forKey:@"phoneNumber"];
[[[LocalUserInfo sharedSingleton] info] writeToFile:getFullPath(@"localUserInfo") atomically:NO];
}
+ (void)setNickName:(NSString *) data{
[[[LocalUserInfo sharedSingleton] info] setObject:data forKey:@"nickName"];
[[[LocalUserInfo sharedSingleton] info] writeToFile:getFullPath(@"localUserInfo") atomically:NO];
}
@end
