質問編集履歴
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文法の修正
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はじめまして!!
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現在、クローラを用いてヤフーファイナンスから全銘柄の基本情報(株価、PER,PBRなど)を取得しようと考えています。
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どう展開していけばよいでしょうか??
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ご教授のほど、よろしくお願いしますm(_ _)m
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ご教授のほど、よろしくお願いしますm(_ _)m
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# -*- coding: utf-8 -*-
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require 'nokogiri'
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require 'open-uri'
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class CompanyInfo
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def initialize(ticker_code)
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@baseUrl = "http://stocks.finance.yahoo.co.jp/stocks"
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@tickerCode = ticker_code
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scrape
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end
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attr_reader :name, :tickerCode, :category,
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:unit, :recentHighPrice, :recentLowPrice,
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:highPrice, :lowPrice, :price, :PER, :PBR
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private
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def scrape_stock_info(html, index)
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get_content(html, "dd", "ymuiEditLink mar0", index, "/strong").delete(",")
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end
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def get_company_info()
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url = "#{@baseUrl}/profile/?code=#{@tickerCode}"
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doc = get_nokogiri_doc(url)
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@name = doc.xpath("//th[@class='symbol']/h1").text
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@category = doc.xpath("//table[@class='boardFinCom marB6']/tr[6]/td").text
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@unit = doc.xpath("//table[@class='boardFinCom marB6']/tr[13]/td").text
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end
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def get_stock_info()
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url = "#{@baseUrl}/detail/?code=#{@tickerCode}"
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doc = get_nokogiri_doc(url)
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@PER = doc.xpath("//div[@class='chartFinance']/div[5]/dl/dd[@class='ymuiEditLink mar0']/strong").text
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@PBR = doc.xpath("//div[@class='chartFinance']/div[6]/dl/dd[@class='ymuiEditLink mar0']/strong").text
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@recentHighPrice = doc.xpath("//div[11]/dl/dd[@class='ymuiEditLink mar0']/strong").text
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@recentLowPrice = doc.xpath("//div[12]/dl/dd[@class='ymuiEditLink mar0']/strong").text
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@highPrice = doc.xpath("//div[@class='innerDate']/div[3]/dl/dd[@class='ymuiEditLink mar0']/strong").text
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@lowPrice = doc.xpath("//div[@class='innerDate']/div[4]/dl/dd[@class='ymuiEditLink mar0']/strong").text
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@price = doc.xpath("//td[@class='stoksPrice']").text
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end
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def get_nokogiri_doc(url)
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begin
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html = open(url)
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rescue OpenURI::HTTPError
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return
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end
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Nokogiri::HTML(html.read, nil, 'utf-8')
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end
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def scrape
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get_company_info
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get_stock_info
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end
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end
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company = CompanyInfo.new("4689")
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puts company.name
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puts company.category
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puts company.unit
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puts "PER："+company.PER
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puts "PBR："+company.PBR
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puts "年初来高値："+company.recentHighPrice
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puts "年初来安値："+company.recentLowPrice
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puts "高値："+company.highPrice
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puts "安値："+company.lowPrice
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puts "株価："+company.price
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