ruby-on-rails – 在Rails中从JSON文件导入种子数据时设置对象的
发布时间:2020-12-17 02:43:57 所属栏目:百科 来源:网络整理
导读:我正在从json文件中导入种子文件中的对象,如下所示: [{ "email":"jon@a.com","id":1,"league_id":1,"name":"Slim Jims are good for the heart...OH YEAH!","owner":"Jon"},{ "email":"robert@a.com","id":2,"name":"The Bucket List","owner":"Robert"}]
我正在从json文件中导入种子文件中的对象,如下所示:
[ { "email":"jon@a.com","id":1,"league_id":1,"name":"Slim Jims are good for the heart...OH YEAH!","owner":"Jon" },{ "email":"robert@a.com","id":2,"name":"The Bucket List","owner":"Robert" } ] 我的种子文件是: require 'json' Team.delete_all JSON.parse(open("#{Rails.root}/doc/teams.json").read).each do |stuff| Team.create(stuff) end 我的问题是它从json文件中分配了一些随机id而不是id. 解决方法
对于任何想知道的人,你可以使用这种语法而不是create来做到这一点:
JSON.parse(open("#{Rails.root}/doc/teams.json").read).each do |stuff| team = Team.new(stuff) team.id = stuff['id'] team.save! end (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |