1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
//
// Customermanager.m
// Lighting
//
// Created by 曹云霄 on 16/5/12.
// Copyright © 2016年 上海勾芒科技有限公司. All rights reserved.
//
#import "Customermanager.h"
@implementation Customermanager
static Customermanager *manager = nil;
+ (Customermanager *)manager
{
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
manager = [[Customermanager alloc]init];
});
return manager;
}
+ (id)allocWithZone:(struct _NSZone *)zone
{
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
manager = [super allocWithZone:zone];
});
return manager;
}
@end