I'm using carrier wave and i get
我用的是载波
NameError: undefined local variable or method `params' for main:Object
when i do u.commentfile = params[:file]
当我做u.commentfile = params[:file]
in the console? help!
在控制台?的帮助!
1 个解决方案
#1
4
The error is telling you exactly what's wrong. In the console, you're not in the scope of a request, so the params variable isn't defined unless you've done so manually. What are you trying to do?
错误就是告诉你到底出了什么问题。在控制台中，您不在请求范围内，所以除非您手动定义params变量，否则不会定义params变量。你想做什么?
#1
4
The error is telling you exactly what's wrong. In the console, you're not in the scope of a request, so the params variable isn't defined unless you've done so manually. What are you trying to do?
错误就是告诉你到底出了什么问题。在控制台中，您不在请求范围内，所以除非您手动定义params变量，否则不会定义params变量。你想做什么?