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thinkphp
2016-05-25 21:55:57 +08:00
parent afa64cfd21
commit 0bffec6aaa
3 changed files with 36 additions and 35 deletions
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41
library/think/model/Relation.php
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@@ -19,12 +19,11 @@ use think\model\Pivot;
class Relation
{
const HAS_ONE = 1;
const HAS_MANY = 2;
const HAS_MANY_THROUGH= 5;
const BELONGS_TO = 3;
const BELONGS_TO_MANY = 4;
const HAS_ONE = 1;
const HAS_MANY = 2;
const HAS_MANY_THROUGH = 5;
const BELONGS_TO = 3;
const BELONGS_TO_MANY = 4;
// 父模型对象
protected $parent;
@@ -37,7 +36,7 @@ class Relation
// 关联表外键
protected $foreignKey;
// 中间关联表外键
protected $throughKey;
protected $throughKey;
// 关联表主键
protected $localKey;
// 数据表别名
@@ -469,7 +468,7 @@ class Relation
* @param array $alias 别名定义
* @return $this
*/
public function hasManyThrough($model, $through,$foreignKey,$throughKey, $localKey, $alias)
public function hasManyThrough($model, $through, $foreignKey, $throughKey, $localKey, $alias)
{
// 记录当前关联信息
$this->type = self::HAS_MANY_THROUGH;
@@ -654,25 +653,25 @@ class Relation
if ($this->model) {
$model = new $this->model;
$db = $model->db();
switch($this->type){
switch ($this->type) {
case self::HAS_MANY:
if (isset($this->parent->{$this->localKey})) {
// 关联查询带入关联条件
$db->where($this->foreignKey, $this->parent->{$this->localKey});
}
}
break;
case self::HAS_MANY_THROUGH:
$through = $this->middle;
$model = $this->model;
$alias = Loader::parseName(basename(str_replace('\\', '/', $model)));
$throughTable = $through::getTable();
$pk = (new $this->model)->getPk();
$throughKey = $this->throughKey;
$modelTable = $this->parent->getTable();
$result = $db->field($alias.'.*')->alias($alias)
->join($throughTable,$throughTable.'.'.$pk.'='.$alias.'.'.$throughKey)
->join($modelTable,$modelTable.'.'.$this->localKey.'='.$throughTable.'.'.$this->foreignKey)
->where($throughTable.'.'.$this->foreignKey, $this->parent->{$this->localKey});
$through = $this->middle;
$model = $this->model;
$alias = Loader::parseName(basename(str_replace('\\', '/', $model)));
$throughTable = $through::getTable();
$pk = (new $this->model)->getPk();
$throughKey = $this->throughKey;
$modelTable = $this->parent->getTable();
$result = $db->field($alias . '.*')->alias($alias)
->join($throughTable, $throughTable . '.' . $pk . '=' . $alias . '.' . $throughKey)
->join($modelTable, $modelTable . '.' . $this->localKey . '=' . $throughTable . '.' . $this->foreignKey)
->where($throughTable . '.' . $this->foreignKey, $this->parent->{$this->localKey});
break;
}
return call_user_func_array([$db, $method], $args);