哪里错误在此,我不能看到它:Rails的语法错误
news = News.find(:all, :conditions => [":simulation_id => session[:sim_id] AND :created_at > session[:last_login]"])
哪里错误在此,我不能看到它:Rails的语法错误
news = News.find(:all, :conditions => [":simulation_id => session[:sim_id] AND :created_at > session[:last_login]"])
试试这个:
news = News.find(:all, :conditions => ["simulation_id = ? AND created_at > ?", session[:sim_id], session[:last_login]])
你的条件字符串不会被评估为你想到:
[":simulation_id => session[:sim_id] AND :created_at > session[:last_login]"]
变化,要
["simulation_id = ? AND created_at > ?", session[:sim_id], session[:last_login]]
您也可以拨打Model.all
代替Model.find(:all)
这将是这个样子:
news = News.all(:conditions => ["simulation_id = ? AND created_at > ?", session[:sim_id], session[:last_login]])
simulation_id应该是 '=',而不是 '=>' – 2009-05-20 14:36:10