【问题标题】:How to add laravel query function lists in updateOrCreate eloquent如何在 updateOrCreate eloquent 中添加 laravel 查询函数列表
【发布时间】:2019-01-08 08:43:02
【问题描述】:

我正在尝试将 updateOrCreate 与多个条件一起使用,如果有相应的数据可用,则可以偶尔应用此条件。我目前正在做的事情是首先找到 id 如果存在,如果 id 存在更新,则手动创建,但现在我想使用 laravel 给定的 updateOrCreate 函数。

$existing = Student::where('name_last', $student['name_last'])
->where('name_first', $student['name_first'])
->where(function($query) use ($student) {
    if (array_key_exists('phone_preferred', $student) && !empty($student['phone_preferred'])) {
        $query->where('phone_preferred', $student['phone_preferred']);
    }

    if (array_key_exists('email_preferred', $student) && !empty($student['email_preferred'])) {
        $query->where('email_preferred', $student['email_preferred']);
    }

    if (array_key_exists('home_street_address_1', $student) && !empty($student['home_street_address_1'])) {
        $query->where('home_street_address_1', $student['home_street_address_1']);
    }

    if (array_key_exists('mailing_street_address_1', $student) && !empty($student['mailing_street_address_1'])) {
        $query->where('mailing_street_address_1', $student['mailing_street_address_1']);
    }

    if (array_key_exists('mailing_address_city', $student) && !empty($student['mailing_address_city'])) {
        $query->where('mailing_address_city', $student['mailing_address_city']);
    }

})->first();

 if($existing){
    try{
        Student::where('id', $existing->id)
        ->update($student);
        } catch (\Exception $e) {
         $error_encountered = true;
         $error_arr[] = $e->getMessage();
         $error_row_numbers[] = $row_no; 
        }
}

我想用类似的东西来实现:

try{
        Student::updateOrCreate(
                     ['name_first' => $student['name_first], 'name_last' => $student['name_last]], 
                    $student
           ); //I could not get how to implement other occasional where condition

        } catch (\Exception $e) {
         $error_encountered = true;
         $error_arr[] = $e->getMessage();
         $error_row_numbers[] = $row_no; 
        }

我想将那些偶尔的 where 函数查询加入到 updateOrCreate 方法中,该方法目前在手动方法中实现

【问题讨论】:

    标签: php laravel eloquent


    【解决方案1】:

    您可以在传递给updateOrCreate的数组中添加所有要检查的属性

    // these are your required conditions
    $conditions = [
        'name_first' => $student['name_first'],
        'name_last' => $student['name_last'],
    ];
    
    // these are optional
    $attributes = [
        'phone_preferred', 
        'email_preferred', 
        'home_street_address_1', 
        'mailing_street_address_1', 
        'mailing_address_city'
    ];
    
    foreach($attributes as $attr){
        // check to see if the attribute exists on the student
        // and is not empty
        if(isset($student[$attr]) && !empty($student[$attr])){
            $conditions[$attr] = $student[$attr];
        }
    }
    
    Student::updateOrCreate($conditions);
    

    【讨论】:

    • 谢谢。这正是我所期待的。
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