如何从 Rails 控制台向数据库添加数据 [英] how to add data to database from rails console
本文介绍了如何从 Rails 控制台向数据库添加数据的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有一个 User
模型.
>> @u = User.new
=> #<User id: nil, userid: nil, password: nil, created_at: nil, updated_at: nil, user_first_name: nil, user_last_name: nil, user_status: nil, user_type: nil>
我无法从控制台向 Users
表添加数据.我正在执行以下操作:
I am not able to add data to the Users
table from the console. I am doing the following:
>> @u.userid="test1"
=> "test1"
>> @u.password="test2"
=> "test2"
>> @u.user_first_name="test3"
=> "test3"
>> @u.user_last_name="test4"
=> "test4"
>> @u.user_status="test5"
=> "test5"
>> @u.user_type="test6"
=> "test6"
>> @u.save
NoMethodError: undefined method `userid' for nil:NilClass
我做错了什么?我只是想向应用程序添加一行数据.
what am i doing wrong? I just simply want to add one row of data to the app.
推荐答案
>> u = User.create :userid => "myuserid", :password => "mypasswd", :user_first_name => "test", :user_last_name => "testovich", :user_status => "mystatus", :user_type => "mytype"
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