在我的 Rails 应用程序中，JSON 格式的结果出现在 HTML 视图响应中
在 Rails 3.1 应用程序中，我有一个控制器使用以下代码在索引视图中返回一组对象（子级）：
def index
@children = Child.all
@base_class = "children-index"
@title = "Your Children"
respond_to do |format|
format.html # children/index.html.erb
format.json { render :json => @children }
end
end
index.html.erb 视图的编写方式如下：
<h1><%= title %></h1>
<ul>
<%= @children.each do |child| %>
<li><%= link_to child.fullname, child_path(child) %></li>
<% end %>
</ul>
出于某种原因，JSON 响应被扔进HTML 响应，我无法确定原因。我的其他索引视图都没有遇到此问题，并且它们的代码非常接近相同。
John Jake Smith Jr
Jane Ann Doe
[#<Child id: 1, firstname: "John", middlename: "Jake", lastname: "Smith", suffix: "Jr", gender: "Male", dob_actual: "2011-01-05", dob_expected: "2011-01-01", height: 30, weight: 40, created_at: "2011-10-28 21:32:54", updated_at: "2011-10-28 21:32:54">, #<Child id: 2, firstname: "Jane", middlename: "Ann", lastname: "Doe", suffix: "", gender: "Female", dob_actual: "2011-05-05", dob_expected: "2011-05-01", height: 30, weight: 12, created_at: "2011-11-07 18:08:54", updated_at: "2011-11-07 18:08:54">]
In a Rails 3.1 app, I have a controller returning a set of objects (children) in an index view using this code:
def index
@children = Child.all
@base_class = "children-index"
@title = "Your Children"
respond_to do |format|
format.html # children/index.html.erb
format.json { render :json => @children }
end
end
The index.html.erb view is written like so:
<h1><%= title %></h1>
<ul>
<%= @children.each do |child| %>
<li><%= link_to child.fullname, child_path(child) %></li>
<% end %>
</ul>
For some reason, the JSON response is getting thrown into the HTML response and I cannot determine the reason. None of my other index views are having this issue and their code is very close to the same.
John Jake Smith Jr
Jane Ann Doe
[#<Child id: 1, firstname: "John", middlename: "Jake", lastname: "Smith", suffix: "Jr", gender: "Male", dob_actual: "2011-01-05", dob_expected: "2011-01-01", height: 30, weight: 40, created_at: "2011-10-28 21:32:54", updated_at: "2011-10-28 21:32:54">, #<Child id: 2, firstname: "Jane", middlename: "Ann", lastname: "Doe", suffix: "", gender: "Female", dob_actual: "2011-05-05", dob_expected: "2011-05-01", height: 30, weight: 12, created_at: "2011-11-07 18:08:54", updated_at: "2011-11-07 18:08:54">]
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评论（2）
这不是 JSON，而是
inspect输出。您之所以得到这个，是因为each返回@children并且您在此处使用<%=：您只需要这样：
That's not JSON, that's
inspectoutput. You're getting that becauseeachreturns@childrenand you're using<%=here:You want just this:
您是否忘记在控制器中执行
@children.to_json操作？Did you forget to do
@children.to_jsonin your controller?