Rails -更好的流控制-循环
Rails -更好的流控制-循环
提问于 2012-07-10 06:50:11
我正在抓取值数据:name、uid、highschool_name、graduateschool_name，如下所示：
def add_friends
facebook.get_connections("me", "friends", :fields => "name, id, education").each do |hash|
self.friends.where(:name => hash['name'],
:uid => hash['id'],
:highschool_name => hash['education']['school']['name'] unless hash["education"].blank?,
:graduateschool_name => hash['education']['school']['name'] unless hash["education"].blank?).
first_or_create
end
end从哈希数组中：
"education": [
{
"school": {
"id": "110703012290674",
"name": "Kunskapsgymnasiet Malmö"
},
"year": {
"id": "136328419721520",
"name": "2009"
},
"type": "High School"
},
{
"school": {
"id": "112812485399398",
"name": "Malmö University"
},
"year": {
"id": "118118634930920",
"name": "2012"
},
"concentration": [
{
"id": "104076956295773",
"name": "Computer Science"
}
],
"type": "Graduate School",
"classes": [
{
"id": "165093923542525",
"name": "Programmering",
"description": "Kursen fokuserar på metoder och tekniker vid utveckling av webbapplikationer med hjälp av HTML5."
}
]
}
], 编辑:此代码不起作用。我想从这个哈希数组中挑选出每一个pick学校和研究生院并保存它。
回答 1
Stack Overflow用户
发布于 2012-07-10 06:57:10
high_schools = response['education'].collect{|ed| ed['school']['name'] if ed['type'] == "High School" }
grad_schools = response['education'].collect{|ed| ed['school']['name'] if ed['type'] == "Graduate School" } 页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/11404350
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