章节： 9.2 页 405
问题：没有显示用户名或头像。
用户/索引
<% provide(:title, 'All users') %>
<h1>All users</h1>
<ul class="users">
<% @users.each do |user| %>
<li>
<% gravatar_for user, size: 52 %>
<% link_to user.name, user %>
</li>
<% end %>
</ul>
用户控制器
class UsersController < ApplicationController
before_filter :signed_in_user, only: [:index, :edit, :update]
before_filter :correct_user, only: [:edit, :update]
def show
@user = User.find(params[:id])
end
def new
@user = User.new
end
def create
@user = User.new(params[:user])
if @user.save
# Handle a successful save
flash[:success] = "Welcome to the Sample App!"
redirect_to @user
else
render 'new'
end
end
def index
@users = User.all
end
def edit
@user = User.find(params[:id])
end
def update
if @user.user_attributes(params[:users])
flash[:success] = "Profile updated"
sign_in @user
redirect_to @user
else
render 'edit'
end
end
private
def signed_in_user
redirect_to signin_path, notice: "Please sign in." unless signed_in?
end
def correct_user
@user = User.find(params[:id])
redirect_to(root_path) unless current_user?(@user)
end
end
sample_data.rake
namespace :db do
desc "Fill database with sample data"
task populate: :environment do
User.create!(name: "Example User",
email: "example@railstutorial.org",
password: "foobar",
password_confirmation: "foobar")
99.times do |n|
name = Faker::Name.name
email = "example-#{n+1}@railstutorial.org"
password = "password"
User.create!(name: name,
email: email,
password: password,
password_confirmation: password)
end
end
end
如果我遗漏了您需要查看的任何代码，以及我的问题是否有任何误解，请告诉我。感谢您的帮助和时间。