ClassService.class.php
2.73 KB
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
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
<?php
/**
* Created by PhpStorm.
* User: liyifei2012it
* Date: 17/4/12
* Time: 10:35
*/
namespace Common\Service;
use Common\Model\ClassModel;
class ClassService extends AbstractService
{
// 构造方法
public function __construct()
{
parent::__construct();
$this->_d = new ClassModel();
}
/**
* 唯一分类名检查
* @author tangxingguo
* @param string $class_name 分类名
* @param int $class_id 分类ID
* @return bool
*/
public function uniqueName($class_name, $class_id = 0)
{
if ($class_id > 0) {
$conds = [
'class_name' => $class_name,
'class_id != ?' => $class_id,
];
} else {
$conds = [
'class_name' => $class_name,
];
}
$count = $this->_d->count_by_conds($conds);
if ($count > 0) {
return false;
}
return true;
}
/**
* 取分类等级
* @author tangxingguo
* @param int $classId 分类ID
* @return int 分类等级（0=不存在，1=一级分类，2=二级分类）
*/
public function classLevel($classId)
{
$classInfo = $this->get($classId);
if (empty($classId)) {
return 0;
}
if ($classInfo['parent_id'] == 0) {
return 1;
}
if ($classInfo['parent_id'] > 0) {
return 2;
}
}
/**
* 获取顶级分类信息
* @author liyifei
* @param int $classId 子分类ID
* @return array
*/
public function getTopClass($classId)
{
// 获取分类
$class_list = $this->list_all();
$class_list = array_combine_by_key($class_list, 'class_id');
// 获取一级分类
while ($class_list[$classId]['parent_id'] > 0) {
$classId = $class_list[$classId]['parent_id'];
}
return $class_list[$classId];
}
/**
* 根据层级格式化分类数据
* @author tangxingguo
* @param array $list 分类数据
* @param int $parentId 父ID
* @return array 格式化后的数据
*/
public function formatClass($list, $parentId = 0)
{
$return = [];
foreach ($list as $class) {
if ($class['parent_id'] == $parentId) {
foreach ($list as $child) {
if ($child['parent_id'] == $class['class_id']) {
$class['child'] = $this->formatClass($list, $class['class_id']);
break;
} else {
$class['child'] = [];
}
}
$return[] = $class;
}
}
return $return;
}
}