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改进关联模型

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thinkphp
2016-12-05 11:55:04 +08:00
parent 1d2b44adc8
commit 5037c64f53
9 changed files with 306 additions and 428 deletions
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68
library/think/model/relation/HasManyThrough.php
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@@ -45,7 +45,10 @@ class HasManyThrough extends Relation
$this->query = (new $model)->db();
}
// 动态获取关联数据
/**
* 延迟获取关联数据
* @access public
*/
public function getRelation()
{
return $this->select();
@@ -65,12 +68,14 @@ class HasManyThrough extends Relation
}
/**
* 预载入关联查询 返回数据集
* 预载入关联查询
* @access public
* @param array $resultSet 数据集
* @param string $relation 关联名
* @param string $relation 当前关联名
* @param string $subRelation 子关联名
* @param \Closure $closure 闭包
* @param string $class 数据集对象名 为空表示数组
* @return array
* @return void
*/
public function eagerlyResultSet(&$resultSet, $relation, $subRelation, $closure, $class)
{
@@ -81,45 +86,38 @@ class HasManyThrough extends Relation
* 预载入关联查询 返回模型对象
* @access public
* @param Model $result 数据对象
* @param string $relation 关联名
* @param string $relation 当前关联名
* @param string $subRelation 子关联名
* @param \Closure $closure 闭包
* @param string $class 数据集对象名 为空表示数组
* @return Model
* @return void
*/
public function eagerlyResult(&$result, $relation, $subRelation, $closure, $class)
{
}
public function __call($method, $args)
/**
* 执行基础查询（进执行一次）
* @access protected
* @return void
*/
protected function baseQuery()
{
static $baseQuery = false;
if ($this->query) {
if (empty($baseQuery)) {
$baseQuery = true;
$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();
$this->query->field($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});
}
$result = call_user_func_array([$this->query, $method], $args);
if ($result instanceof \think\db\Query) {
$this->option = $result->getOptions();
return $this;
} else {
$this->option = [];
$baseQuery = false;
return $result;
}
} else {
throw new Exception('method not exists:' . __CLASS__ . '->' . $method);
if (empty($this->baseQuery)) {
$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();
$this->query->field($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});
$this->baseQuery = true;
}
}
}