-
Notifications
You must be signed in to change notification settings - Fork 8
Expand file tree
/
Copy pathBuildHelper.php
More file actions
190 lines (182 loc) · 6.51 KB
/
Copy pathBuildHelper.php
File metadata and controls
190 lines (182 loc) · 6.51 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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
<?php
namespace Mix\Database\Query;
/**
* Class BuildHelper
* @package Mix\Database\Query
* @author liu,jian <[email protected]>
*/
class BuildHelper
{
/**
* 是否为多个条件
* @param $where
* @return bool
*/
public static function isMulti($where)
{
$multi = true;
foreach ($where as $item) {
if (!is_array($item)) {
$multi = false;
break;
}
}
return $multi;
}
/**
* 构建数据
* @param array $data
* @return array
*/
public static function buildData(array $data)
{
$sql = [];
$params = [];
foreach ($data as $key => $item) {
if (is_array($item)) {
list($operator, $value) = $item;
$sql[] = "`{$key}` = `{$key}` {$operator} :{$key}";
$params[$key] = $value;
continue;
}
$sql[] = "`{$key}` = :{$key}";
$params[$key] = $item;
}
return [implode(', ', $sql), $params];
}
/**
* 构建条件
* @param array $where
* @param int $id
* @return array
*/
public static function buildWhere(array $where, &$id = null)
{
$sql = '';
$params = [];
foreach ($where as $key => $item) {
$id++;
$prefix = "__{$id}_";
$length = count($item);
if ($length == 2) {
// 子条件
if (in_array($item[0], ['or', 'and']) && is_array($item[1])) {
list($symbol, $subWhere) = $item;
if (count($subWhere) == count($subWhere, 1)) {
$subWhere = [$subWhere];
}
list($subSql, $subParams) = static::buildWhere($subWhere, $id);
if (count($subWhere) > 1) {
$subSql = "({$subSql})";
}
$sql .= " " . strtoupper($symbol) . " {$subSql}";
$params = array_merge($params, $subParams);
}
// 无值条件
if (is_string($item[0]) && is_string($item[1])) {
list($field, $operator) = $item;
$operator = strtoupper($operator);
$subSql = "{$field} {$operator}";
$sql .= " AND {$subSql}";
if ($key == 0) {
$sql = $subSql;
}
}
}
if ($length == 3) {
// 标准条件 (包含In/NotIn/Between/NotBetween)
list($field, $operator, $condition) = $item;
$in = in_array(strtoupper($operator), ['IN', 'NOT IN']);
$between = in_array(strtoupper($operator), ['BETWEEN', 'NOT BETWEEN']);
if (
(is_string($field) && is_string($operator) && is_scalar($condition)) ||
(is_string($field) && ($in || $between) && is_array($condition))
) {
$name = $prefix . str_replace('.', '_', $field);
$operator = strtoupper($operator);
if (!is_array($condition)) {
$subSql = "{$field} {$operator} :{$name}";
$params[$name] = $condition;
} else {
if ($in) {
$subSql = "{$field} {$operator} (:{$name})";
$params[$name] = $condition;
}
if ($between) {
$name1 = $prefix . 's_' . str_replace('.', '_', $field);
$name2 = $prefix . 'e_' . str_replace('.', '_', $field);
$subSql = "{$field} {$operator} :{$name1} AND :{$name2}";
list($condition1, $condition2) = $condition;
$params[$name1] = $condition1;
$params[$name2] = $condition2;
}
}
$sql .= " AND {$subSql}";
if ($key == 0) {
$sql = $subSql;
}
}
}
if ($length == 4) { // 为了兼容旧版本，保留这项功能
// Between/NotBetween
list($field, $operator, $condition1, $condition2) = $item;
if (
is_string($field) &&
in_array(strtoupper($operator), ['BETWEEN', 'NOT BETWEEN']) &&
is_scalar($condition1) &&
is_scalar($condition2)
) {
$name1 = $prefix . '1_' . str_replace('.', '_', $field);
$name2 = $prefix . '2_' . str_replace('.', '_', $field);
$operator = strtoupper($operator);
$subSql = "{$field} {$operator} :{$name1} AND :{$name2}";
$sql .= " AND {$subSql}";
if ($key == 0) {
$sql = $subSql;
}
$params[$name1] = $condition1;
$params[$name2] = $condition2;
}
}
}
return [$sql, $params];
}
/**
* 构建Join条件
* @param array $on
* @return string
*/
public static function buildJoinOn(array $on)
{
$sql = '';
if (count($on) == count($on, 1)) {
$on = [$on];
}
foreach ($on as $key => $item) {
if (count($item) == 3) {
list($field, $operator, $condition) = $item;
$subSql = "{$field} {$operator} {$condition}";
$sql .= " AND {$subSql}";
if ($key == 0) {
$sql = $subSql;
}
continue;
}
if (count($item) == 2) {
list($symbol, $subOn) = $item;
if (!in_array($symbol, ['or', 'and'])) {
continue;
}
if (count($subOn) == count($subOn, 1)) {
$subOn = [$subOn];
}
$subSql = static::buildJoinOn($subOn);
if (count($subOn) > 1) {
$subSql = "({$subSql})";
}
$sql .= " " . strtoupper($symbol) . " {$subSql}";
}
}
return $sql;
}
}