1
|
|
|
<?php |
2
|
|
|
// +---------------------------------------------------------------------- |
3
|
|
|
// | ThinkPHP [ WE CAN DO IT JUST THINK ] |
4
|
|
|
// +---------------------------------------------------------------------- |
5
|
|
|
// | Copyright (c) 2006~2018 http://thinkphp.cn All rights reserved. |
6
|
|
|
// +---------------------------------------------------------------------- |
7
|
|
|
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 ) |
8
|
|
|
// +---------------------------------------------------------------------- |
9
|
|
|
// | Author: liu21st <[email protected]> |
10
|
|
|
// +---------------------------------------------------------------------- |
11
|
|
|
|
12
|
|
|
namespace think\model\relation; |
13
|
|
|
|
14
|
|
|
use think\db\Query; |
15
|
|
|
use think\Loader; |
16
|
|
|
use think\Model; |
17
|
|
|
use think\model\Relation; |
18
|
|
|
|
19
|
|
|
class HasMany extends Relation |
20
|
|
|
{ |
21
|
|
|
/** |
22
|
|
|
* 架构函数 |
23
|
|
|
* @access public |
24
|
|
|
* @param Model $parent 上级模型对象 |
25
|
|
|
* @param string $model 模型名 |
26
|
|
|
* @param string $foreignKey 关联外键 |
27
|
|
|
* @param string $localKey 当前模型主键 |
28
|
|
|
*/ |
29
|
|
|
public function __construct(Model $parent, $model, $foreignKey, $localKey) |
30
|
|
|
{ |
31
|
|
|
$this->parent = $parent; |
32
|
|
|
$this->model = $model; |
|
|
|
|
33
|
|
|
$this->foreignKey = $foreignKey; |
34
|
|
|
$this->localKey = $localKey; |
35
|
|
|
$this->query = (new $model)->db(); |
36
|
|
|
|
37
|
|
|
if (get_class($parent) == $model) { |
38
|
|
|
$this->selfRelation = true; |
39
|
|
|
} |
40
|
|
|
} |
41
|
|
|
|
42
|
|
|
/** |
43
|
|
|
* 延迟获取关联数据 |
44
|
|
|
* @access public |
45
|
|
|
* @param string $subRelation 子关联名 |
46
|
|
|
* @param \Closure $closure 闭包查询条件 |
47
|
|
|
* @return \think\Collection |
48
|
|
|
*/ |
49
|
|
|
public function getRelation($subRelation = '', $closure = null) |
50
|
|
|
{ |
51
|
|
|
if ($closure) { |
52
|
|
|
$closure($this->query); |
53
|
|
|
} |
54
|
|
|
|
55
|
|
|
$list = $this->query |
56
|
|
|
->where($this->foreignKey, $this->parent->{$this->localKey}) |
57
|
|
|
->relation($subRelation) |
58
|
|
|
->select(); |
59
|
|
|
|
60
|
|
|
$parent = clone $this->parent; |
61
|
|
|
|
62
|
|
|
foreach ($list as &$model) { |
63
|
|
|
$model->setParent($parent); |
64
|
|
|
} |
65
|
|
|
|
66
|
|
|
return $list; |
|
|
|
|
67
|
|
|
} |
68
|
|
|
|
69
|
|
|
/** |
70
|
|
|
* 预载入关联查询 |
71
|
|
|
* @access public |
72
|
|
|
* @param array $resultSet 数据集 |
73
|
|
|
* @param string $relation 当前关联名 |
74
|
|
|
* @param string $subRelation 子关联名 |
75
|
|
|
* @param \Closure $closure 闭包 |
76
|
|
|
* @return void |
77
|
|
|
*/ |
78
|
|
|
public function eagerlyResultSet(&$resultSet, $relation, $subRelation, $closure) |
79
|
|
|
{ |
80
|
|
|
$localKey = $this->localKey; |
81
|
|
|
$range = []; |
82
|
|
|
|
83
|
|
|
foreach ($resultSet as $result) { |
84
|
|
|
// 获取关联外键列表 |
85
|
|
|
if (isset($result->$localKey)) { |
86
|
|
|
$range[] = $result->$localKey; |
87
|
|
|
} |
88
|
|
|
} |
89
|
|
|
|
90
|
|
|
if (!empty($range)) { |
91
|
|
|
$where = [ |
92
|
|
|
[$this->foreignKey, 'in', $range], |
93
|
|
|
]; |
94
|
|
|
$data = $this->eagerlyOneToMany($where, $relation, $subRelation, $closure); |
95
|
|
|
|
96
|
|
|
// 关联属性名 |
97
|
|
|
$attr = Loader::parseName($relation); |
98
|
|
|
|
99
|
|
|
// 关联数据封装 |
100
|
|
|
foreach ($resultSet as $result) { |
101
|
|
|
$pk = $result->$localKey; |
102
|
|
|
if (!isset($data[$pk])) { |
103
|
|
|
$data[$pk] = []; |
104
|
|
|
} |
105
|
|
|
|
106
|
|
|
foreach ($data[$pk] as &$relationModel) { |
107
|
|
|
$relationModel->setParent(clone $result); |
108
|
|
|
} |
109
|
|
|
|
110
|
|
|
$result->setRelation($attr, $this->resultSetBuild($data[$pk])); |
111
|
|
|
} |
112
|
|
|
} |
113
|
|
|
} |
114
|
|
|
|
115
|
|
|
/** |
116
|
|
|
* 预载入关联查询 |
117
|
|
|
* @access public |
118
|
|
|
* @param Model $result 数据对象 |
119
|
|
|
* @param string $relation 当前关联名 |
120
|
|
|
* @param string $subRelation 子关联名 |
121
|
|
|
* @param \Closure $closure 闭包 |
122
|
|
|
* @return void |
123
|
|
|
*/ |
124
|
|
|
public function eagerlyResult(&$result, $relation, $subRelation, $closure) |
125
|
|
|
{ |
126
|
|
|
$localKey = $this->localKey; |
127
|
|
|
|
128
|
|
|
if (isset($result->$localKey)) { |
129
|
|
|
$pk = $result->$localKey; |
130
|
|
|
$where = [ |
131
|
|
|
[$this->foreignKey, '=', $pk], |
132
|
|
|
]; |
133
|
|
|
$data = $this->eagerlyOneToMany($where, $relation, $subRelation, $closure); |
134
|
|
|
|
135
|
|
|
// 关联数据封装 |
136
|
|
|
if (!isset($data[$pk])) { |
137
|
|
|
$data[$pk] = []; |
138
|
|
|
} |
139
|
|
|
|
140
|
|
|
foreach ($data[$pk] as &$relationModel) { |
141
|
|
|
$relationModel->setParent(clone $result); |
142
|
|
|
} |
143
|
|
|
|
144
|
|
|
$result->setRelation(Loader::parseName($relation), $this->resultSetBuild($data[$pk])); |
145
|
|
|
} |
146
|
|
|
} |
147
|
|
|
|
148
|
|
|
/** |
149
|
|
|
* 关联统计 |
150
|
|
|
* @access public |
151
|
|
|
* @param Model $result 数据对象 |
|
|
|
|
152
|
|
|
* @param \Closure $closure 闭包 |
|
|
|
|
153
|
|
|
* @param string $aggregate 聚合查询方法 |
154
|
|
|
* @param string $field 字段 |
|
|
|
|
155
|
|
|
* @param string $name 统计字段别名 |
|
|
|
|
156
|
|
|
* @return integer |
157
|
|
|
*/ |
158
|
|
|
public function relationCount($result, $closure, $aggregate = 'count', $field = '*', &$name = '') |
159
|
|
|
{ |
160
|
|
|
$localKey = $this->localKey; |
161
|
|
|
|
162
|
|
|
if (!isset($result->$localKey)) { |
163
|
|
|
return 0; |
164
|
|
|
} |
165
|
|
|
|
166
|
|
|
if ($closure) { |
|
|
|
|
167
|
|
|
$return = $closure($this->query); |
168
|
|
|
if ($return && is_string($return)) { |
169
|
|
|
$name = $return; |
170
|
|
|
} |
171
|
|
|
} |
172
|
|
|
|
173
|
|
|
return $this->query |
174
|
|
|
->where($this->foreignKey, '=', $result->$localKey) |
175
|
|
|
->$aggregate($field); |
176
|
|
|
} |
177
|
|
|
|
178
|
|
|
/** |
179
|
|
|
* 创建关联统计子查询 |
180
|
|
|
* @access public |
181
|
|
|
* @param \Closure $closure 闭包 |
|
|
|
|
182
|
|
|
* @param string $aggregate 聚合查询方法 |
|
|
|
|
183
|
|
|
* @param string $field 字段 |
|
|
|
|
184
|
|
|
* @param string $aggregateAlias 聚合字段别名 |
185
|
|
|
* @return string |
186
|
|
|
*/ |
187
|
|
|
public function getRelationCountQuery($closure, $aggregate = 'count', $field = '*', &$aggregateAlias = '') |
188
|
|
|
{ |
189
|
|
|
if ($closure) { |
|
|
|
|
190
|
|
|
$return = $closure($this->query); |
191
|
|
|
|
192
|
|
|
if ($return && is_string($return)) { |
193
|
|
|
$aggregateAlias = $return; |
194
|
|
|
} |
195
|
|
|
} |
196
|
|
|
|
197
|
|
|
return $this->query->alias($aggregate . '_table') |
198
|
|
|
->whereExp($aggregate . '_table.' . $this->foreignKey, '=' . $this->parent->getTable() . '.' . $this->localKey) |
199
|
|
|
->fetchSql() |
200
|
|
|
->$aggregate($field); |
201
|
|
|
} |
202
|
|
|
|
203
|
|
|
/** |
204
|
|
|
* 一对多 关联模型预查询 |
205
|
|
|
* @access public |
206
|
|
|
* @param array $where 关联预查询条件 |
207
|
|
|
* @param string $relation 关联名 |
208
|
|
|
* @param string $subRelation 子关联 |
209
|
|
|
* @param \Closure $closure |
|
|
|
|
210
|
|
|
* @return array |
211
|
|
|
*/ |
212
|
|
|
protected function eagerlyOneToMany($where, $relation, $subRelation = '', $closure = null) |
213
|
|
|
{ |
214
|
|
|
$foreignKey = $this->foreignKey; |
215
|
|
|
|
216
|
|
|
$this->query->removeWhereField($this->foreignKey); |
217
|
|
|
|
218
|
|
|
// 预载入关联查询 支持嵌套预载入 |
219
|
|
|
if ($closure) { |
220
|
|
|
$closure($this->query); |
221
|
|
|
} |
222
|
|
|
|
223
|
|
|
$list = $this->query->where($where)->with($subRelation)->select(); |
224
|
|
|
|
225
|
|
|
// 组装模型数据 |
226
|
|
|
$data = []; |
227
|
|
|
|
228
|
|
|
foreach ($list as $set) { |
229
|
|
|
$data[$set->$foreignKey][] = $set; |
230
|
|
|
} |
231
|
|
|
|
232
|
|
|
return $data; |
233
|
|
|
} |
234
|
|
|
|
235
|
|
|
/** |
236
|
|
|
* 保存(新增)当前关联数据对象 |
237
|
|
|
* @access public |
238
|
|
|
* @param mixed $data 数据 可以使用数组 关联模型对象 和 关联对象的主键 |
|
|
|
|
239
|
|
|
* @param boolean $replace 是否自动识别更新和写入 |
|
|
|
|
240
|
|
|
* @return Model|false |
241
|
|
|
*/ |
242
|
|
|
public function save($data, $replace = true) |
243
|
|
|
{ |
244
|
|
|
$model = $this->make(); |
245
|
|
|
|
246
|
|
|
return $model->replace($replace)->save($data) ? $model : false; |
247
|
|
|
} |
248
|
|
|
|
249
|
|
|
/** |
250
|
|
|
* 创建关联对象实例 |
251
|
|
|
* @param array $data |
|
|
|
|
252
|
|
|
* @return Model |
253
|
|
|
*/ |
254
|
|
|
public function make($data = []) |
255
|
|
|
{ |
256
|
|
|
if ($data instanceof Model) { |
|
|
|
|
257
|
|
|
$data = $data->getData(); |
258
|
|
|
} |
259
|
|
|
|
260
|
|
|
// 保存关联表数据 |
261
|
|
|
$data[$this->foreignKey] = $this->parent->{$this->localKey}; |
262
|
|
|
|
263
|
|
|
return new $this->model($data); |
264
|
|
|
} |
265
|
|
|
|
266
|
|
|
/** |
267
|
|
|
* 批量保存当前关联数据对象 |
268
|
|
|
* @access public |
269
|
|
|
* @param array|\think\Collection $dataSet 数据集 |
|
|
|
|
270
|
|
|
* @param boolean $replace 是否自动识别更新和写入 |
271
|
|
|
* @return array|false |
272
|
|
|
*/ |
273
|
|
|
public function saveAll($dataSet, $replace = true) |
274
|
|
|
{ |
275
|
|
|
$result = []; |
276
|
|
|
|
277
|
|
|
foreach ($dataSet as $key => $data) { |
278
|
|
|
$result[] = $this->save($data, $replace); |
279
|
|
|
} |
280
|
|
|
|
281
|
|
|
return empty($result) ? false : $result; |
282
|
|
|
} |
283
|
|
|
|
284
|
|
|
/** |
285
|
|
|
* 根据关联条件查询当前模型 |
286
|
|
|
* @access public |
287
|
|
|
* @param string $operator 比较操作符 |
288
|
|
|
* @param integer $count 个数 |
289
|
|
|
* @param string $id 关联表的统计字段 |
290
|
|
|
* @param string $joinType JOIN类型 |
291
|
|
|
* @return Query |
292
|
|
|
*/ |
293
|
|
|
public function has($operator = '>=', $count = 1, $id = '*', $joinType = 'INNER') |
294
|
|
|
{ |
295
|
|
|
$table = $this->query->getTable(); |
296
|
|
|
$model = basename(str_replace('\\', '/', get_class($this->parent))); |
297
|
|
|
$relation = basename(str_replace('\\', '/', $this->model)); |
298
|
|
|
$softDelete = $this->query->getOptions('soft_delete'); |
299
|
|
|
|
300
|
|
|
return $this->parent->db() |
301
|
|
|
->alias($model) |
302
|
|
|
->field($model . '.*') |
303
|
|
|
->join([$table => $relation], $model . '.' . $this->localKey . '=' . $relation . '.' . $this->foreignKey, $joinType) |
304
|
|
|
->when($softDelete, function ($query) use ($softDelete, $relation) { |
|
|
|
|
305
|
|
|
$query->where($relation . strstr($softDelete[0], '.'), '=' == $softDelete[1][0] ? $softDelete[1][1] : null); |
306
|
|
|
}) |
|
|
|
|
307
|
|
|
->group($relation . '.' . $this->foreignKey) |
308
|
|
|
->having('count(' . $id . ')' . $operator . $count); |
309
|
|
|
} |
310
|
|
|
|
311
|
|
|
/** |
312
|
|
|
* 根据关联条件查询当前模型 |
313
|
|
|
* @access public |
314
|
|
|
* @param mixed $where 查询条件(数组或者闭包) |
|
|
|
|
315
|
|
|
* @param mixed $fields 字段 |
316
|
|
|
* @return Query |
317
|
|
|
*/ |
318
|
|
|
public function hasWhere($where = [], $fields = null) |
319
|
|
|
{ |
320
|
|
|
$table = $this->query->getTable(); |
321
|
|
|
$model = basename(str_replace('\\', '/', get_class($this->parent))); |
322
|
|
|
$relation = basename(str_replace('\\', '/', $this->model)); |
323
|
|
|
|
324
|
|
|
if (is_array($where)) { |
325
|
|
|
$this->getQueryWhere($where, $relation); |
326
|
|
|
} |
327
|
|
|
|
328
|
|
|
$fields = $this->getRelationQueryFields($fields, $model); |
329
|
|
|
$softDelete = $this->query->getOptions('soft_delete'); |
330
|
|
|
|
331
|
|
|
return $this->parent->db() |
332
|
|
|
->alias($model) |
333
|
|
|
->group($model . '.' . $this->localKey) |
334
|
|
|
->field($fields) |
335
|
|
|
->join([$table => $relation], $model . '.' . $this->localKey . '=' . $relation . '.' . $this->foreignKey) |
336
|
|
|
->when($softDelete, function ($query) use ($softDelete, $relation) { |
|
|
|
|
337
|
|
|
$query->where($relation . strstr($softDelete[0], '.'), '=' == $softDelete[1][0] ? $softDelete[1][1] : null); |
338
|
|
|
}) |
|
|
|
|
339
|
|
|
->where($where); |
340
|
|
|
} |
341
|
|
|
|
342
|
|
|
/** |
343
|
|
|
* 执行基础查询(仅执行一次) |
344
|
|
|
* @access protected |
345
|
|
|
* @return void |
346
|
|
|
*/ |
347
|
|
|
protected function baseQuery() |
348
|
|
|
{ |
349
|
|
|
if (empty($this->baseQuery)) { |
350
|
|
|
if (isset($this->parent->{$this->localKey})) { |
351
|
|
|
// 关联查询带入关联条件 |
352
|
|
|
$this->query->where($this->foreignKey, '=', $this->parent->{$this->localKey}); |
353
|
|
|
} |
354
|
|
|
|
355
|
|
|
$this->baseQuery = true; |
356
|
|
|
} |
357
|
|
|
} |
358
|
|
|
|
359
|
|
|
} |
360
|
|
|
|
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..