rails 自己定时间，抛出时间异常

1.抛出时间异常

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begin          resp, body=3Dh.get('/index.html')          puts body     rescue Timeout::Error => e        puts "Timed Out"     end   

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2.自己定时间，抛出时间异常

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require 'timeout'.........begin       timeout(60) do          resp, body=3Dh.get('/index.html')          puts body       end     rescue TimeoutError            puts "Timed Out"     end   

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3.http请求时，抛出时间异常

require 'net/http'require 'net/https'#Usage: username pass urlStr time_out#    urlStr = 'http://localhost:3000/cron/cron'    username = "badname"    pass = "badpass"    time_out = 60    if ARGV[3] != nil     time_out = ARGV[3].to_i    end    if ARGV[2] != nil     urlStr = ARGV[2]    end        if ARGV[1] != nil and ARGV[0] != nil     username = ARGV[0]     pass = ARGV[1]    end    puts urlStr + " user: "+username        url = URI.parse(urlStr)    use_ssl = url.scheme == 'https'    req = Net::HTTP::Get.new url.path    req.basic_auth username, pass     http = Net::HTTP.new(url.host, url.port)    http.read_timeout=time_out    if use_ssl      http.use_ssl = true    end    res = http.start { |web|       web.request(req)     }        puts res.body

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