1、更换编辑器
2、内核升级
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108
core/library/think/model/relation/HasManyThrough.php
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108
core/library/think/model/relation/HasManyThrough.php
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<?php
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// +----------------------------------------------------------------------
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// | ThinkPHP [ WE CAN DO IT JUST THINK ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2006~2016 http://thinkphp.cn All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
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// +----------------------------------------------------------------------
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// | Author: liu21st <liu21st@gmail.com>
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// +----------------------------------------------------------------------
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namespace think\model\relation;
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use think\Db;
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use think\db\Query;
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use think\Loader;
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use think\Model;
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use think\model\Relation;
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class HasManyThrough extends Relation
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{
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// 中间关联表外键
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protected $throughKey;
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/**
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* 架构函数
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* @access public
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* @param Model $parent 上级模型对象
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* @param string $model 模型名
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* @param string $through 中间模型名
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* @param string $firstkey 关联外键
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* @param string $secondKey 关联外键
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* @param string $localKey 关联主键
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* @param array $alias 别名定义
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*/
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public function __construct(Model $parent, $model, $through, $foreignKey, $throughKey, $localKey, $alias = [])
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{
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$this->parent = $parent;
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$this->model = $model;
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$this->middle = $through;
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$this->foreignKey = $foreignKey;
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$this->throughKey = $throughKey;
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$this->localKey = $localKey;
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$this->alias = $alias;
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$this->query = (new $model)->db();
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}
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/**
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* 延迟获取关联数据
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* @access public
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*/
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public function getRelation()
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{
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return $this->select();
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}
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/**
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* 预载入关联查询
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* @access public
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* @param array $resultSet 数据集
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* @param string $relation 当前关联名
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* @param string $subRelation 子关联名
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* @param \Closure $closure 闭包
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* @param string $class 数据集对象名 为空表示数组
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* @return void
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*/
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public function eagerlyResultSet(&$resultSet, $relation, $subRelation, $closure, $class)
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{
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}
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/**
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* 预载入关联查询 返回模型对象
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* @access public
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* @param Model $result 数据对象
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* @param string $relation 当前关联名
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* @param string $subRelation 子关联名
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* @param \Closure $closure 闭包
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* @param string $class 数据集对象名 为空表示数组
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* @return void
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*/
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public function eagerlyResult(&$result, $relation, $subRelation, $closure, $class)
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{
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}
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/**
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* 执行基础查询(进执行一次)
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* @access protected
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* @return void
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*/
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protected function baseQuery()
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{
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if (empty($this->baseQuery)) {
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$through = $this->middle;
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$model = $this->model;
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$alias = Loader::parseName(basename(str_replace('\\', '/', $model)));
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$throughTable = $through::getTable();
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$pk = (new $this->model)->getPk();
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$throughKey = $this->throughKey;
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$modelTable = $this->parent->getTable();
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$this->query->field($alias . '.*')->alias($alias)
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->join($throughTable, $throughTable . '.' . $pk . '=' . $alias . '.' . $throughKey)
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->join($modelTable, $modelTable . '.' . $this->localKey . '=' . $throughTable . '.' . $this->foreignKey)
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->where($throughTable . '.' . $this->foreignKey, $this->parent->{$this->localKey});
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$this->baseQuery = true;
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}
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}
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}
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