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改进Model类的has和hasWhere方法

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thinkphp
2017-02-09 14:26:36 +08:00
parent 2639db4f9e
commit a01c43472d
8 changed files with 172 additions and 25 deletions
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1
lang/zh-cn.php
View File

@@ -64,4 +64,5 @@ return [
'invalid request' => '非法请求',
'bind attr has exists' => '模型的属性已经存在',
'relation data not exists' => '关联数据不存在',
'relation not support' => '关联不支持',
];

21
library/think/Model.php
View File

@@ -1426,16 +1426,11 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
*/
public static function has($relation, $operator = '>=', $count = 1, $id = '*')
{
$model = new static();
$relation = $model->$relation();
if ($relation instanceof HasMany) {
if (is_array($operator) || $operator instanceof \Closure) {
return $relation->hasWhere($operator);
}
return $relation->has($operator, $count, $id);
} else {
return $relation;
$relation = (new static())->$relation();
if (is_array($operator) || $operator instanceof \Closure) {
return $relation->hasWhere($operator);
}
return $relation->has($operator, $count, $id);
}
/**
@@ -1447,13 +1442,7 @@ abstract class Model implements \JsonSerializable, \ArrayAccess
*/
public static function hasWhere($relation, $where = [])
{
$model = new static();
$relation = $model->$relation();
if ($relation instanceof HasMany) {
return $relation->hasWhere($where);
} else {
return $relation;
}
return (new static())->$relation()->hasWhere($where);
}
/**

39
library/think/model/relation/BelongsTo.php
View File

@@ -51,6 +51,45 @@ class BelongsTo extends OneToOne
return $this->query->where($this->localKey, $this->parent->$foreignKey)->relation($subRelation)->find();
}
/**
* 根据关联条件查询当前模型
* @access public
* @param string $operator 比较操作符
* @param integer $count 个数
* @param string $id 关联表的统计字段
* @param string $joinType JOIN类型
* @return Query
*/
public function has($operator = '>=', $count = 1, $id = '*')
{
return $this->parent;
}
/**
* 根据关联条件查询当前模型
* @access public
* @param mixed $where 查询条件（数组或者闭包）
* @return Query
*/
public function hasWhere($where = [])
{
$table = $this->query->getTable();
$model = basename(str_replace('\\', '/', get_class($this->parent)));
$relation = basename(str_replace('\\', '/', $this->model));
if (is_array($where)) {
foreach ($where as $key => $val) {
if (false === strpos($key, '.')) {
$where[$relation . '.' . $key] = $val;
unset($where[$key]);
}
}
}
return $this->parent->db()->alias($model)
->field($model . '.*')
->join($table . ' ' . $relation, $model . '.' . $this->foreignKey . '=' . $relation . '.' . $this->localKey, $this->joinType)
->where($where);
}
/**
* 预载入关联查询（数据集）
* @access public

25
library/think/model/relation/BelongsToMany.php
View File

@@ -76,6 +76,31 @@ class BelongsToMany extends Relation
return $result;
}
/**
* 根据关联条件查询当前模型
* @access public
* @param string $operator 比较操作符
* @param integer $count 个数
* @param string $id 关联表的统计字段
* @param string $joinType JOIN类型
* @return Query
*/
public function has($operator = '>=', $count = 1, $id = '*', $joinType = 'INNER')
{
return $this->parent;
}
/**
* 根据关联条件查询当前模型
* @access public
* @param mixed $where 查询条件（数组或者闭包）
* @return Query
*/
public function hasWhere($where = [])
{
throw new Exception('relation not support: hasWhere');
}
/**
* 预载入关联查询（数据集）
* @access public

28
library/think/model/relation/HasManyThrough.php
View File

@@ -13,6 +13,7 @@ namespace think\model\relation;
use think\Db;
use think\db\Query;
use think\Exception;
use think\Loader;
use think\Model;
use think\model\Relation;
@@ -54,11 +55,36 @@ class HasManyThrough extends Relation
public function getRelation($subRelation = '', $closure = null)
{
if ($closure) {
call_user_func_array($closure, [& $this->query]);
call_user_func_array($closure, [ & $this->query]);
}
return $this->relation($subRelation)->select();
}
/**
* 根据关联条件查询当前模型
* @access public
* @param string $operator 比较操作符
* @param integer $count 个数
* @param string $id 关联表的统计字段
* @param string $joinType JOIN类型
* @return Query
*/
public function has($operator = '>=', $count = 1, $id = '*', $joinType = 'INNER')
{
return $this->parent;
}
/**
* 根据关联条件查询当前模型
* @access public
* @param mixed $where 查询条件（数组或者闭包）
* @return Query
*/
public function hasWhere($where = [])
{
throw new Exception('relation not support: hasWhere');
}
/**
* 预载入关联查询
* @access public

18
library/think/model/relation/HasOne.php
View File

@@ -47,12 +47,28 @@ class HasOne extends OneToOne
// 执行关联定义方法
$localKey = $this->localKey;
if ($closure) {
call_user_func_array($closure, [& $this->query]);
call_user_func_array($closure, [ & $this->query]);
}
// 判断关联类型执行查询
return $this->query->where($this->foreignKey, $this->parent->$localKey)->relation($subRelation)->find();
}
/**
* 根据关联条件查询当前模型
* @access public
* @return Query
*/
public function has()
{
$table = $this->query->getTable();
$localKey = $this->localKey;
$foreignKey = $this->foreignKey;
return $this->parent->db()->alias('a')
->whereExists(function ($query) use ($table, $localKey, $foreignKey) {
$query->table([$table => 'b'])->whereExp('a.' . $localKey, '=b.' . $foreignKey);
});
}
/**
* 根据关联条件查询当前模型
* @access public

40
library/think/model/relation/MorphMany.php
View File

@@ -13,6 +13,7 @@ namespace think\model\relation;
use think\Db;
use think\db\Query;
use think\Exception;
use think\Loader;
use think\Model;
use think\model\Relation;
@@ -53,11 +54,36 @@ class MorphMany extends Relation
public function getRelation($subRelation = '', $closure = null)
{
if ($closure) {
call_user_func_array($closure, [& $this->query]);
call_user_func_array($closure, [ & $this->query]);
}
return $this->relation($subRelation)->select();
}
/**
* 根据关联条件查询当前模型
* @access public
* @param string $operator 比较操作符
* @param integer $count 个数
* @param string $id 关联表的统计字段
* @param string $joinType JOIN类型
* @return Query
*/
public function has($operator = '>=', $count = 1, $id = '*', $joinType = 'INNER')
{
throw new Exception('relation not support: has');
}
/**
* 根据关联条件查询当前模型
* @access public
* @param mixed $where 查询条件（数组或者闭包）
* @return Query
*/
public function hasWhere($where = [])
{
throw new Exception('relation not support: hasWhere');
}
/**
* 预载入关联查询
* @access public
@@ -113,7 +139,7 @@ class MorphMany extends Relation
if (isset($result->$pk)) {
$data = $this->eagerlyMorphToMany([
$this->morphKey => $result->$pk,
$this->morphType => $this->type
$this->morphType => $this->type,
], $relation, $subRelation, $closure);
$result->setAttr(Loader::parseName($relation), $this->resultSetBuild($data[$result->$pk]));
}
@@ -132,7 +158,7 @@ class MorphMany extends Relation
$count = 0;
if (isset($result->$pk)) {
if ($closure) {
call_user_func_array($closure, [& $this->query]);
call_user_func_array($closure, [ & $this->query]);
}
$count = $this->query->where([$this->morphKey => $result->$pk, $this->morphType => $this->type])->count();
}
@@ -148,15 +174,15 @@ class MorphMany extends Relation
public function getRelationCountQuery($closure)
{
if ($closure) {
call_user_func_array($closure, [& $this->query]);
call_user_func_array($closure, [ & $this->query]);
}
return $this->query->where([
$this->morphKey => [
'exp',
'=' . $this->parent->getTable() . '.' . $this->parent->getPk()
'=' . $this->parent->getTable() . '.' . $this->parent->getPk(),
],
$this->morphType => $this->type
$this->morphType => $this->type,
])->fetchSql()->count();
}
@@ -173,7 +199,7 @@ class MorphMany extends Relation
{
// 预载入关联查询 支持嵌套预载入
if ($closure) {
call_user_func_array($closure, [& $this]);
call_user_func_array($closure, [ & $this]);
}
$list = $this->query->where($where)->with($subRelation)->select();
$morphKey = $this->morphKey;

25
library/think/model/relation/MorphTo.php
View File

@@ -57,6 +57,31 @@ class MorphTo extends Relation
return (new $model)->relation($subRelation)->find($pk);
}
/**
* 根据关联条件查询当前模型
* @access public
* @param string $operator 比较操作符
* @param integer $count 个数
* @param string $id 关联表的统计字段
* @param string $joinType JOIN类型
* @return Query
*/
public function has($operator = '>=', $count = 1, $id = '*', $joinType = 'INNER')
{
return $this->parent;
}
/**
* 根据关联条件查询当前模型
* @access public
* @param mixed $where 查询条件（数组或者闭包）
* @return Query
*/
public function hasWhere($where = [])
{
throw new Exception('relation not support: hasWhere');
}
/**
* 解析模型的完整命名空间
* @access public