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增加MorphOne关联

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thinkphp
2017-03-28 12:15:42 +08:00
parent 62aa6a0f14
commit 8d61c3b13e
2 changed files with 236 additions and 0 deletions
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27
library/think/Model.php
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@@ -22,6 +22,7 @@ use think\model\relation\HasMany;
use think\model\relation\HasManyThrough;
use think\model\relation\HasOne;
use think\model\relation\MorphMany;
use think\model\relation\MorphOne;
use think\model\relation\MorphTo;
/**
@@ -1740,6 +1741,32 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
return new MorphMany($this, $model, $foreignKey, $morphType, $type);
}
/**
* MORPH One 关联定义
* @access public
* @param string $model 模型名
* @param string|array $morph 多态字段信息
* @param string $type 多态类型
* @return MorphOne
*/
public function morphOne($model, $morph = null, $type = '')
{
// 记录当前关联信息
$model = $this->parseModel($model);
if (is_null($morph)) {
$trace = debug_backtrace(false, 2);
$morph = Loader::parseName($trace[1]['function']);
}
$type = $type ?: Loader::parseName($this->name);
if (is_array($morph)) {
list($morphType, $foreignKey) = $morph;
} else {
$morphType = $morph . '_type';
$foreignKey = $morph . '_id';
}
return new MorphOne($this, $model, $foreignKey, $morphType, $type);
}
/**
* MORPH TO 关联定义
* @access public