Param变量为string

Question

转换它的最佳方式是：id变量 @object = Object.find(params[:id])

成一个字符串？

render :json => {"status" => "404", "message" => "Object with id " + ":id" + " not found"}

也尝试过：

render :json => {"status" => "404", "message" => "Object with id #{:id} not found"}

但它给出了这个错误：

  

没有将符号隐式转换为字符串

Answer 1

只需将#{:id}替换为"#{params[:id]}"

即可