问题

1) open C:\Program Files\PostgreSQL\12\data\pg_hba.conf

change: host all all ::1/128 md5

host all all ::1/128 trust

2)open pgAdmin & create a localhost server with username postgres and password will empty

/* For taking a backup or restore a dump of existing database name */

open cmd line and go to C:\Program Files\PostgreSQL\12\bin and press enter

and type below command as required

Take Backup : pg_dump.exe -U postgres -d dbname -f D:\Backup\

 or direct take backup using pgAdmin backup option and store in D:\Backup\<backup-file-name>  

hint: backup file should be tar or dump type

Restore Backup : pg_restore -U postgres -d dbname -1 D:\Backup\

3) In laravel code folder open .env file and add DB_SSLMODE=disable

4) in laravel code folder open config/database.php and for 'pgsql' array

 replace

     'sslmode'=> 'require', 

 to    
    'sslmode' => env('DB_SSLMODE','require'),

回答1:

How to Backup PostgreSql DB In Laravel

install laravel package using composer.

composer require spatie/laravel-backup
insert the following line to your backup controller.

use Spatie\DbDumper\Databases\PostgreSql;

write the following code in your backup controller.

date_default_timezone_set('EST');

try {
    $this->info('The backup has been started');
    $backup_name = 'backup-' . date('c')  . '.sql';
    $backup_path = 'app/backups/' . $backup_name;
    PostgreSql::create()
        ->setDbName(env('DB_DATABASE'))
        ->setUserName(env('DB_USERNAME'))
        ->setPassword(env('DB_PASSWORD'))
        ->dumpToFile($backup_path);
    $this->info('The backup has been proceed successfully.');
} catch (ProcessFailedException $exception) {
    logger()->error('Backup exception', compact('exception'));
    $this->error('The backup process has been failed.');
}

来源：https://stackoverflow.com/questions/61942125/backup-restore-postgresql-database-and-setup-localhost-environment-with-larave

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