从命令行生成用户模型
To generate json user model with username, password_hash, email_id, created_at, updated_at, type
mix phoenix.gen.json User users username:string email_id:string password_hash:string timestamps()
To generate json user model with username, password_hash, email_id, created_at, updated_at, type
mix phoenix.gen.json User users username:string email_id:string password_hash:string timestamps()