ruby-on-rails-创建一个博客项目

控制台创建一个博客项目rails new blogcd blograils g scaffold post title:string text:textrails g model comment post_id:integer text:textrake db:migraterails s测试:http:/localhost:3000/posts修改index.html.erbblog/app/views/posts/index.html.erb删除原有的内容，新的内容如下：1. 2. 3. 4. 5. 6. 7. |8. 9. |10. :delete,:confirm=Areyousure?%11. 来源：/pan_tian/article/details/8763627增加Comments项继续修改show.html.erbblog/app/views/posts/show.html.erb1. 2. 3. 4. 5. Comments6. 7. 8. 9. ago10. 11. 12. 13. 40x10%14. 15. 16. 17. 18. 19. |20. 21. |22. :delete,:confirm=Areyousure?%23. 1. 修改blog/app/models/post.rb2. 增加 has_many:comments修改blog/app/models/comment.rb增加belongs_to:post修改blog/config/routes.rb1. resources:postsdo2. resources:comments3. end这个时候Comment就出来了，但是如果提交comment，还会报错，因为我们还没写comment的controller打开一个新的命令行D:Rubyprojectscd blogD:Rubyprojectsblograils g controller comments create destroy打开新创建的blogappcontrollerscomments_controller.rb1. classCommentsControllerApplicationController2. defcreate3. post=Post.find(params:post_id)4. comment=ments.build(comment_params)5. comment.save6. 7. redirect_topost8. end9. defcomment_params params.require(:comment).permit(:id, :text)end10. defdestroy11. end12. 13. end14. 15. 增加删除comment功能修改blog/app/views/posts/show.html.erb(增加Delete Comment链接)1. 2. 3. 4. 5. Comments6. 7. 8. 9. ago10. :delete,:confirm=Areyousure?%11. 12. 13. 14. 40x10%15. 16. 17. 18. 19. 20. |21. 22. |23. :delete,:confirm=Areyousure?%24. 修改blogappcontrollerscomments_controller.rbclass CommentsController ApplicationController def create post = Post.find(params:post_id) comment = ments.build(comment_params) comment.save redirect_to post end def destroy comment = Comment.find(params:id) comment.destroy redirect_to comment.post end end def comment_params params.require(:comment).permit(:id, :text) end给你的blog添加ATOMfeed修改blogappcontrollersposts_controller.rb def index posts = Post.all respond_to do |format| format.html # index.html.erb format.json render json: po