第一时间获取苹果官网IPad2供货信息
因为IPad2在官网 停止销售有一段时间。有可能恢复供货也被抢购掉。（IPhone4 在今年2月份时 在官网抢购一台4999转手能卖到5700以上）
下面ruby代码 每半小时访问一次 苹果在线商店，如果货源信息变动，发邮件给指定联系人。
代码量很少，在这种小程序上ruby真的很方便~~
#主要流程#!/usr/bin/ruby -w#coding:UTF-8require 'socket'require 'net/http'require "./send_email"host,port,path='store.apple.com','80','/cn/browse/home/shop_ipad/family/ipad/select?mco=MjE2MjYyNzA'http = Net::HTTP.new(host)SLEEP_TIME=30 # in miniteseval File.read("smtp_tls2.rb")Net::SMTP.enable_tls()while truebeginheaders,body=http.get(path)if headers.code=='200' str=bodystr=str.force_encoding("UTF-8")p str.encoding if /\(?.*?)\<\/span\>/mu=~str if sell_time.strip !='暂无供应' send_email('Apple Ipad2 供应信息有变化','供应信息有变化，估计发货时间为：'+sell_time.strip) p 'Apple Ipad2 information has change.sell time is：'+sell_time.strip+"\n"; else p "IPAD2 still are not available！\n" #send_email('IPAD2 还是没有！！唉！','IPAD2 还是没有！！唉！'+sell_time.strip) end else send_email('apple订购页面有变化','apple订购页面有变化，无法匹配供应信息，请更改程序正则表达式') p "apple has change its web page,can not grap the information,please change your regex\n" endelse send_email('apple网站返回了错误信息',"苹果网站返回的错误信息: #{headers.code} #{headers.message}") p "apple website has returned error message: #{headers.code} #{headers.message}\n"endrescue begin send_email('苹果网站访问异常','无法连接到苹果网站，这可能是由于dabaiblog.com网络异常，或者苹果官网不可访问造成') rescue p "network error,and send error email failed.\n" ensure p "can not reach the apple website, this maybe due to network error of dabaiblog.com，or apple webserver crashed\n"; endensure p 'last check time:'+Time.new.to_s+"\n" sleep SLEEP_TIME*60endend#发送email部分 这里针对GMAIL配置#!/usr/bin/ruby -wrequire 'net/smtp'FROM_EMAIL = "你的邮箱用户名"PASSWORD = "你的邮箱密码"TO_EMAIL = FROM_EMAILdef send_email(title,message)msgstr = <<#{FROM_EMAIL} Name Your From:>To: my phone <#{TO_EMAIL}>Subject: #{title}Date: #{Time.new.to_s}#{message}END_OF_MESSAGENet::SMTP.start('smtp.gmail.com', 587, 'gmail.com',FROM_EMAIL , PASSWORD, :plain) do |smtp| smtp.send_message msgstr, FROM_EMAIL, TO_EMAILendend#增加对邮件的 SSL/TLS支持 摘自stack over flow# Include hook code hererequire 'net/smtp'require 'timeout'beginrequire 'openssl'rescue LoadErrorendNet::SMTP.class_eval doalias_method :old_initialize, :initializedef initialize(hostname,port) @usetls = @@usetls old_initialize hostname,portend@@usetls = falsedef self.enable_tls() @@usetls = trueenddef self.disable_tls() @@usetls = falseenddef self.use_tls?() @@usetlsenddef use_tls?() @usetlsenddef enable_tls() print "tls enabled\n" @usetls = trueenddef disable_tls() @usetls = falseenddef use_tls?() @usetlsendprivatedef do_start(helodomain, user, secret, authtype) raise IOError 'SMTP session already started' if @started check_auth_args user, secret, authtype if user or secret sock = timeout(@open_timeout) {TCPSocket.open(@address, @port) } @socket = Net::InternetMessageIO.new(sock) @socket.read_timeout = @read_timeout @socket.debug_output = STDERR check_response(critical {recv_response() } ) do_helo(helodomain) if @usetls raise 'openssl is not installed' unless defined?(OpenSSL) ssl = OpenSSL::SSL::SSLSocket.new(sock) starttls ssl.sync_close = true ssl.connect @socket = Net::InternetMessageIO.new(ssl) @socket.read_timeout = @read_timeout @socket.debug_output = STDERR do_helo(helodomain) end authenticate user, secret, authtype if user @started = trueensure @socket.close if not @started and @socket and not @socket.closed?enddef do_helo(helodomain) begin if @esmtp ehlo helodomain else helo helodomain end rescue Net::ProtocolError if @esmtp @esmtp = false @error_occured = false retry end raise endenddef starttls getok('STARTTLS')enddef quit begin getok('QUIT') rescue EOFError # gmail sucks endendend以上代码在 ruby 1.9.2 ubuntu 10.04 环境下测试通过,运行很稳定~~
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