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morphTo支持多态类型字段别名定义

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thinkphp
2016-11-30 22:52:42 +08:00
parent 7983db9587
commit 099c977b0a
2 changed files with 17 additions and 8 deletions
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7
library/think/Model.php
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@@ -1388,10 +1388,11 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
/**
* MORPH TO 关联定义
* @access public
* @param string|array $morph 多态字段信息
* @param string|array $morph 多态字段信息
* @param array $alias 多态别名定义
* @return Relation
*/
public function morphTo($morph)
public function morphTo($morph, $alias = [])
{
// 记录当前关联信息
if (is_array($morph)) {
@@ -1400,7 +1401,7 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
$morphType = $morph . '_type';
$foreignKey = $morph . '_id';
}
return $this->relation()->morphTo($morphType, $foreignKey);
return $this->relation()->morphTo($morphType, $foreignKey, $alias);
}
public function __call($method, $args)

18
library/think/model/Relation.php
View File

@@ -129,10 +129,16 @@ class Relation
case self::MORPH_TO:
// 多态模型
$model = $this->parent->{$this->middle};
$path = explode('\\', get_class($this->parent));
array_pop($path);
array_push($path, Loader::parseName($model, 1));
$model = implode('\\', $path);
// 多态类型映射
if (isset($this->alias[$model])) {
$model = $this->alias[$model];
}
if (false === strpos($model, '\\')) {
$path = explode('\\', get_class($this->parent));
array_pop($path);
array_push($path, Loader::parseName($model, 1));
$model = implode('\\', $path);
}
// 主键数据
$pk = $this->parent->{$this->foreignKey};
$result = (new $model)->find($pk);
@@ -559,14 +565,16 @@ class Relation
* @access public
* @param string $morphType 多态字段名
* @param string $foreignKey 外键名
* @param array $alias 多态别名定义
* @return $this
*/
public function morphTo($morphType, $foreignKey)
public function morphTo($morphType, $foreignKey, $alias)
{
// 记录当前关联信息
$this->type = self::MORPH_TO;
$this->middle = $morphType;
$this->foreignKey = $foreignKey;
$this->alias = $alias;
// 返回关联的模型对象
return $this;
}