自己闲来无事，用mechanize做了一个可以下载校内相册照片的代码。
写的有些简陋。。。。主要是根据相册的地址来分析用户ID和相册ID，然后模拟请求相册页面，并提取所有照片，然后下载到本地的一个文件夹中。
ruby版本：ruby1.8.7 or ruby1.9.2
操作系统：windows 7
Linux下没有试过~不过应该也可以的：
#encoding: utf-8
require 'rubygems'
require 'mechanize'
class Renren
def initialize(e,p)
@agent = Mechanize.new
@page = @agent.get('http://3g.renren.com/')
@page = @page.form_with(:method => 'POST') do |r|
r.email = e
r.password = p
end.submit
end
def fetch_other_photo(album_link,foldername)
photo_urls = []
puts Iconv.conv("gb2312", "utf-8", "开始分析相册地址.....")
begin
user_id,album_id = parse_album_uri(album_link)
rescue
puts Iconv.conv("gb2312", "utf-8", "您的相册地址不正确，请重新输入！")
return
end
page = @agent.get("http://3g.renren.com/album/wgetalbum.do?id=#{user_id}&owner=#{album_id}")
puts Iconv.conv("gb2312", "utf-8", "正在获取所有照片地址.....")
loop do
page.links_with(:href => /http:\/\/3g\.renren\.com\/album\/wgetphoto\.do?/).each do |link|
photo = link.click
photo_urls << photo.link_with(:text => "下载该图").href
end
break if page.link_with(:text => "下一页").nil?
page = page.link_with(:text => "下一页").click
end
if photo_urls.length > 0
puts Iconv.conv("gb2312", "utf-8", "开始下载相册.....")
unless File.directory?("#{foldername}")
Dir.mkdir("#{foldername}")
end
Dir.chdir("#{foldername}") do |path|
photo_urls.each do |photo_url|
@agent.get(photo_url) do |photo|
puts Iconv.conv("gb2312","utf-8","正在保存文件#{photo.filename}……已经下载#{((photo_urls.index(photo_url)+1).to_f/photo_urls.length*100).to_i}%")
photo.save
end
end
end
puts Iconv.conv("gb2312","utf-8","相册下载完毕.....")
else
puts Iconv.conv("gb2312","utf-8","相册内没有照片哟~")
end
end
private
def parse_album_uri(uri)
uri = uri.chomp("#thumb")
uri = uri.split("?")
if uri.length > 1 and uri[1].include?("owner")
uri = uri[1].split("&")
user_id = uri[0].split("=")[1]
album_id = uri[1].split("=")[1]
else
uri = uri[0].split("/")
album_id = uri[4]
user_id = uri[5].split("-")[1]
end
return user_id,album_id
end
end
print Iconv.conv("gb2312","utf-8","用户名：")
username = gets.chomp()
print Iconv.conv("gb2312","utf-8","密码：")
password = gets.chomp()
renren = Renren.new(username,password)
loop do
print Iconv.conv("gb2312","utf-8","粘贴相册地址：")
uri = gets.chomp()
renren.fetch_other_photo(uri, username)
print Iconv.conv("gb2312","utf-8","按0退出程序，按其它键继续下载其它相册：")
break if gets.chomp() == "0"
end
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