单例
2015-12-09 本文已影响18人
天亮説晚安
.h
+ (instancetype)managerCenter;
.m
+ (instancetype)managerCenter {
static UserInfoManagerCenter *center = nil;
static dispatch_once_t predicate;
dispatch_once(&predicate, ^{
center = [[UserInfoManagerCenter alloc] init];
});
return center;
}
