https://ruby-china.org/hyy044101331 en-us <p>aastring = "public/images/"+Time.now.strftime("%y-%m-%d")+(file.original_filename) File.open(aastring,"wb+") do |f| f.write(file.read) render(:text=&gt;"afterupload :"+aastring+"上传成功！！！") end </p> hyy044101331 Sat, 19 May 2012 17:47:00 +0800 https://ruby-china.org/topics/3375 https://ruby-china.org/topics/3375 <p>请教啊，新建一个项目，然后 ruby server 启动，报这个错误：</p> <p>!!! Path to log file not valid: log/mongrel.log mongrel::start reported an error. Use mongrel_rails mongrel::start -h to get hel p. Exiting</p> <p>这个是什么原因的 </p> hyy044101331 Tue, 15 May 2012 02:03:58 +0800 https://ruby-china.org/topics/3280 https://ruby-china.org/topics/3280