rails undefined method `render_text'

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#rails #action #caching #session #cache #each

作者在尝试创建一个Rails的Hello World程序时遇到了错误，发现旧版本中使用的render_text方法已被新版本废弃，正确的做法是使用render :text => '内容'的方式。

照着文档rubyonrails.pdf，第一次搞个rails的hello程序就报错了

 

 

 

NoMethodError in My testController#index 

undefined method `render_text






' for #<MyTestController:0x3d067b0>

RAILS_ROOT: ....rails_apps/myapp

Application Trace | Framework Trace | Full Trace 
app/controllers/my_test_controller.rb:3:in `index'

Request

Parameters : 

None

 

Show session dump

Response

Headers : 

{"cookie"=>[],







 "Cache-Control"=>"no-cache"}

上网查了资料，居然是rails的新版本不用render_text 了，改为render:text=>"hello world"就可以了，

新版本应该还有很多改变的地方，照着书学问题很多。

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rails的新版本不用render_text 了，改为render:text=&gt;"hello world"就可以了
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module KanbansHelper def kanban_contextual_menu(&block) menu = KanbanContextualMenu.new( kanban: @kanban, user: @user, view_context: self # 传递当前 Helper 实例作为视图上下文 ) concat(menu.display(capture(menu, &block))) end def name_to_css(name) name.gsub(' ','-').downcase end def jquery_dialog_div(title=:field_issue) "<div id='dialog-window' title='#{ l(title) }'></div>" end def render_pane_to_js(pane, user=nil) if Kanban.valid_panes.include?(pane) return render_to_string(:partial => pane, :locals => {:user => user }) else '' end end # Returns the CSS class for jQuery to hook into. Current users are # allowed to Drag and Drop items into their own list, but not other # people's lists def allowed_to_assign_staffed_issue_to(user) if allowed_to_manage? || User.current == user 'allowed' else '' end end def over_pane_limit?(limit, counter) if !counter.nil? && !limit.nil? && counter.to_i >= limit.to_i # 0 based counter return 'over-limit' else return '' end end # Was the last journal with a note created by someone other than the # assigned to user? def updated_note_on_issue?(issue) if issue && issue.journals.present? last_journal_with_note = issue.journals.select {|journal| journal.notes.present?}.last if last_journal_with_note && issue.assigned_to_id != last_journal_with_note.user_id last_journal_with_note else return false end end end def issue_updated_note_icon(issue) if last_journal = updated_note_on_issue?(issue) image_tag('comment.png', :class => "updated-note issue-show-popup issue-id-#{h(issue.id)}", :id => "issue-#{h(issue.id)}", :alt => l(:kanban_text_updated_issue), :title => h(last_journal.notes)) end end def kanban_issue_css_classes(issue) css = 'kanban-issue ' + issue.css_classes if User.current.logged? && !issue.assigned_to_id.nil? && issue.assigned_to_id != User.current.id css << ' assigned-to-other' end css << ' issue-behind-schedule' if issue.behind_schedule? css << ' issue-overdue' if issue.overdue? css << ' parent-issue' if issue.root? && issue.children.count > 0 css end def issue_icon_link(issue) if Setting.gravatar_enabled? && issue.assigned_to img = avatar(issue.assigned_to, { :class => 'gravatar icon-gravatar', :size => 10, :title => l(:field_assigned_to) + ": " + issue.assigned_to.name }) link_to(img, :controller => 'issues', :action => 'show', :id => issue) else link_to(image_tag('ticket.png', :style => 'float:left;'), :controller => 'issues', :action => 'show', :id => issue) end end def column_configured?(column) case column when :incoming KanbanPane::IncomingPane.configured? when :backlog KanbanPane::BacklogPane.configured? when :selected KanbanPane::QuickPane.configured? || KanbanPane::SelectedPane.configured? when :staffed true # always end end # Calculates the width of the column. Max of 96 since they need # some extra for the borders. def column_width(column) # weights of the columns column_ratios = { :incoming => 1, :backlog => 1, :selected => 1, :staffed => 4 } return 0.0 if column == :incoming && !column_configured?(:incoming) return 0.0 if column == :backlog && !column_configured?(:backlog) return 0.0 if column == :selected && !column_configured?(:selected) visible = 0 visible += column_ratios[:incoming] if column_configured?(:incoming) visible += column_ratios[:backlog] if column_configured?(:backlog) visible += column_ratios[:selected] if column_configured?(:selected) visible += column_ratios[:staffed] if column_configured?(:staffed) return ((column_ratios[column].to_f / visible) * 96).round(2) end def my_kanban_column_width(column) column_ratios = { :project => 1, :testing => 1, :active => 1, :selected => 1, :backlog => 1 } # Vertical column if column == :incoming return (KanbanPane::IncomingPane.configured? ? 100.0 : 0.0) end # Inside of Project, max width if column == :finished || column == :canceled return 100.0 end return 0.0 if column == :active && !KanbanPane::ActivePane.configured? return 0.0 if column == :testing && !KanbanPane::TestingPane.configured? return 0.0 if column == :selected && !KanbanPane::SelectedPane.configured? return 0.0 if column == :backlog && !KanbanPane::BacklogPane.configured? visible = 0 visible += column_ratios[:project] visible += column_ratios[:active] if KanbanPane::ActivePane.configured? visible += column_ratios[:testing] if KanbanPane::TestingPane.configured? visible += column_ratios[:selected] if KanbanPane::SelectedPane.configured? visible += column_ratios[:backlog] if KanbanPane::BacklogPane.configured? return ((column_ratios[column].to_f / visible) * 96).round(2) end # Calculates the width of the column. Max of 96 since they need # some extra for the borders. def staffed_column_width(column) # weights of the columns column_ratios = { :user => 1, :active => 2, :testing => 2, :finished => 2, :canceled => 2 } return 0.0 if column == :active && !KanbanPane::ActivePane.configured? return 0.0 if column == :testing && !KanbanPane::TestingPane.configured? return 0.0 if column == :finished && !KanbanPane::FinishedPane.configured? return 0.0 if column == :canceled && !KanbanPane::CanceledPane.configured? visible = 0 visible += column_ratios[:user] visible += column_ratios[:active] if KanbanPane::ActivePane.configured? visible += column_ratios[:testing] if KanbanPane::TestingPane.configured? visible += column_ratios[:finished] if KanbanPane::FinishedPane.configured? visible += column_ratios[:canceled] if KanbanPane::CanceledPane.configured? return ((column_ratios[column].to_f / visible) * 96).round(2) end def issue_url(issue) url_for(:controller => 'issues', :action => 'show', :id => issue) end def showing_current_user_kanban? @user == User.current end # Renders the title for the "Incoming" project. It can be linked as: # * New Issue jQuery dialog (user has permission to add issues) # * Link to the url configured in the plugin (plugin is configured with a url) # * No link at all def incoming_title if Setting.plugin_redmine_kanban['panes'].present? && Setting.plugin_redmine_kanban['panes']['incoming'].present? && Setting.plugin_redmine_kanban['panes']['incoming']['url'].present? href_url = Setting.plugin_redmine_kanban['panes']['incoming']['url'] incoming_project = extract_project_from_url(href_url) link_name = incoming_project.present? ? incoming_project.name : l(:kanban_text_incoming) else href_url = '' link_name = l(:kanban_text_incoming) end if User.current.allowed_to?(:add_issues, nil, :global => true) link_to(link_name, href_url, :class => 'new-issue-dialog') elsif href_url.present? link_to(link_name, href_url) else link_name end end # Given a url, extract the project record from it. # Will return nil if the url isn't a link to a project or the url can't be # recognized def extract_project_from_url(url) project = nil link_path = url. sub(request.host, ''). # Remove host sub(/https?:\/\//,''). # Protocol sub(/\?.*/,'') # Query string begin route = ActionController::Routing::Routes.recognize_path(link_path, :method => :get) if route[:controller] == 'projects' && route[:id] project = Project.find(route[:id]) end rescue ActionController::RoutingError # Parse failed, not a route end end def export_i18n_for_javascript strings = { 'kanban_text_error_saving_issue' => l(:kanban_text_error_saving_issue), 'kanban_text_issue_created_reload_to_see' => l(:kanban_text_issue_created_reload_to_see), 'kanban_text_issue_updated_reload_to_see' => l(:kanban_text_issue_updated_reload_to_see), 'kanban_text_notice_reload' => l(:kanban_text_notice_reload), 'kanban_text_watch_and_cancel_hint' => l(:kanban_text_watch_and_cancel_hint), 'kanban_text_issue_watched_reload_to_see' => l(:kanban_text_issue_watched_reload_to_see) } javascript_tag("var i18n = #{strings.to_json}") end def viewed_user return @user if @user.present? return User.current end def use_simple_issue_popup_form? # TODO: Hate how Settings is stored... @settings['simple_issue_popup_form'] && ( @settings['simple_issue_popup_form'] == '1' || @settings['simple_issue_popup_form'] == 1 || @settings['simple_issue_popup_form'] == true ) end # Load remote RJS/HTML data from url into dom_id def kanban_remote_data(url, dom_id) javascript_tag("Kanban.remoteData('#{url}', '#{dom_id}');") + content_tag(:span, l(:label_loading), :class => 'loading') end # Returns a list of pane names in the configured order. # # @param hash options Method options # @option options Array :only Filter the panes to only include these ones def ordered_panes(options={}) only = options[:only] || [] if only.present? KanbanPane.pane_order.select {|pane| only.include?(pane) } else KanbanPane.pane_order end end class UserKanbanDivHelper < BlockHelpers::Base include ERB::Util def self.parent superclass end def initialize(options={}) @column = options[:column] @user = options[:user] @project_id = options[:project_id] end def issues(issues) if issues.compact.empty? || issues.flatten.compact.empty? render :partial => 'kanbans/empty_issue' else render(:partial => 'kanbans/issue', :collection => issues.flatten, :locals => { :limit => Setting['plugin_redmine_kanban']["panes"][@column.to_s]["limit"].to_i }) end end def display(body) content_tag(:div, content_tag(:ol, body, :id => "#{@column}-issues-user-#{h(@user.id)}-project-#{h(@project_id)}", :class => "#{@column}-issues"), :id => "#{@column}-#{h(@user.id)}-project-#{h(@project_id)}", :class => "pane equal-column #{@column} user-#{h(@user.id)}", :style => "width: #{ helper.my_kanban_column_width(@column)}%") end end class KanbanContextualMenu < BlockHelpers::Base include ActionView::Helpers # 引入 Rails 视图方法 delegate :link_to, :content_tag, to: :@view_context def initialize(options={}) @view_context = options.delete(:view_context) || ActionController::Base.helpers super(options) @kanban = options[:kanban] @user = options[:user] end def color_help link_to_function(l(:kanban_text_color_help), "$('color-help').toggle();", :class => 'icon icon-info') end def kanban_board if User.current.allowed_to?(:view_kanban, nil, :global => true) link_to(l(:text_kanban_board), kanban_url, :class => 'icon icon-stats') end end def my_kanban_requests link_to(l(:text_my_kanban_requests_title), kanban_user_kanban_path(:id => User.current.id), :class => 'icon icon-user') end def assigned_requests link_to(l(:text_assigned_kanban_title), kanban_assigned_kanban_path(:id => User.current.id), :class => 'icon icon-user') end def new_issue if User.current.allowed_to?(:add_issues, nil, :global => true) if Setting.plugin_redmine_kanban['panes'].present? && Setting.plugin_redmine_kanban['panes']['incoming'].present? && Setting.plugin_redmine_kanban['panes']['incoming']['url'].present? incoming_url = Setting.plugin_redmine_kanban['panes']['incoming']['url'] incoming_project = extract_project_from_url(incoming_url) link_name = incoming_project.present? ? incoming_project.name : l(:label_issue_new) else link_name = l(:label_issue_new) end link_to_function(link_name, "void(0)", :class => 'new-issue-dialog icon icon-issue') end end def sync_kanban if User.current.allowed_to?(:edit_kanban, nil, :global => true) link_to(l(:kanban_text_sync), sync_kanban_url, :method => :put, :class => 'icon icon-reload') end end # @param [Hash] options # @option options [String] :url URL that the user switch form should post to # @option options [String] :label Text to use for the Switch User label (i18n'd already) # @option options [String] :users Users to allow switching to. Defaults to all active Users def user_switch(options={}) url = options[:url] label = options[:label] || l(:label_user_switch) users = options[:users] || User.active if kanban_settings["management_group"] && User.current.group_ids.include?(kanban_settings["management_group"].to_i) render :partial => 'kanbans/user_switch', :locals => {:url => url, :label => label, :users => users.sort} end end def display(body) content = call_hook(:view_user_kanbans_show_contextual_top, :user => @user, :kanban => @kanban).to_s content += body content += call_hook(:view_user_kanbans_show_contextual_bottom, :user => @user, :kanban => @kanban).to_s content_tag(:div, content, :class => "contextual") end end end 报错如下 ActionView::Template::Error (undefined method `kanban_contextual_menu' for #<ActionView::Base:0x0002346c0cc248>):
09-11
我们遇到了一个错误：ActionView::Template::Error (undefined method `kanban_contextual_menu' for #) 这个错误表明在某个视图模板中，尝试调用了 `kanban_contextual_menu` 方法，但是当前视图对象（ActionView:...
module KanbansHelper def name_to_css(name) name.gsub(' ','-').downcase end def jquery_dialog_div(title=:field_issue) "<div id='dialog-window' title='#{ l(title) }'></div>" end def render_pane_to_js(pane, user=nil) if Kanban.valid_panes.include?(pane) return render_to_string(:partial => pane, :locals => {:user => user }) else '' end end # Returns the CSS class for jQuery to hook into. Current users are # allowed to Drag and Drop items into their own list, but not other # people's lists def allowed_to_assign_staffed_issue_to(user) if allowed_to_manage? || User.current == user 'allowed' else '' end end def over_pane_limit?(limit, counter) if !counter.nil? && !limit.nil? && counter.to_i >= limit.to_i # 0 based counter return 'over-limit' else return '' end end # Was the last journal with a note created by someone other than the # assigned to user? def updated_note_on_issue?(issue) if issue && issue.journals.present? last_journal_with_note = issue.journals.select {|journal| journal.notes.present?}.last if last_journal_with_note && issue.assigned_to_id != last_journal_with_note.user_id last_journal_with_note else return false end end end def issue_updated_note_icon(issue) if last_journal = updated_note_on_issue?(issue) image_tag('comment.png', :class => "updated-note issue-show-popup issue-id-#{h(issue.id)}", :id => "issue-#{h(issue.id)}", :alt => l(:kanban_text_updated_issue), :title => h(last_journal.notes)) end end def kanban_issue_css_classes(issue) css = 'kanban-issue ' + issue.css_classes if User.current.logged? && !issue.assigned_to_id.nil? && issue.assigned_to_id != User.current.id css << ' assigned-to-other' end css << ' issue-behind-schedule' if issue.behind_schedule? css << ' issue-overdue' if issue.overdue? css << ' parent-issue' if issue.root? && issue.children.count > 0 css end def issue_icon_link(issue) if Setting.gravatar_enabled? && issue.assigned_to img = avatar(issue.assigned_to, { :class => 'gravatar icon-gravatar', :size => 10, :title => l(:field_assigned_to) + ": " + issue.assigned_to.name }) link_to(img, :controller => 'issues', :action => 'show', :id => issue) else link_to(image_tag('ticket.png', :style => 'float:left;'), :controller => 'issues', :action => 'show', :id => issue) end end def column_configured?(column) case column when :incoming KanbanPane::IncomingPane.configured? when :backlog KanbanPane::BacklogPane.configured? when :selected KanbanPane::QuickPane.configured? || KanbanPane::SelectedPane.configured? when :staffed true # always end end # Calculates the width of the column. Max of 96 since they need # some extra for the borders. def column_width(column) # weights of the columns column_ratios = { :incoming => 1, :backlog => 1, :selected => 1, :staffed => 4 } return 0.0 if column == :incoming && !column_configured?(:incoming) return 0.0 if column == :backlog && !column_configured?(:backlog) return 0.0 if column == :selected && !column_configured?(:selected) visible = 0 visible += column_ratios[:incoming] if column_configured?(:incoming) visible += column_ratios[:backlog] if column_configured?(:backlog) visible += column_ratios[:selected] if column_configured?(:selected) visible += column_ratios[:staffed] if column_configured?(:staffed) return ((column_ratios[column].to_f / visible) * 96).round(2) end def my_kanban_column_width(column) column_ratios = { :project => 1, :testing => 1, :active => 1, :selected => 1, :backlog => 1 } # Vertical column if column == :incoming return (KanbanPane::IncomingPane.configured? ? 100.0 : 0.0) end # Inside of Project, max width if column == :finished || column == :canceled return 100.0 end return 0.0 if column == :active && !KanbanPane::ActivePane.configured? return 0.0 if column == :testing && !KanbanPane::TestingPane.configured? return 0.0 if column == :selected && !KanbanPane::SelectedPane.configured? return 0.0 if column == :backlog && !KanbanPane::BacklogPane.configured? visible = 0 visible += column_ratios[:project] visible += column_ratios[:active] if KanbanPane::ActivePane.configured? visible += column_ratios[:testing] if KanbanPane::TestingPane.configured? visible += column_ratios[:selected] if KanbanPane::SelectedPane.configured? visible += column_ratios[:backlog] if KanbanPane::BacklogPane.configured? return ((column_ratios[column].to_f / visible) * 96).round(2) end # Calculates the width of the column. Max of 96 since they need # some extra for the borders. def staffed_column_width(column) # weights of the columns column_ratios = { :user => 1, :active => 2, :testing => 2, :finished => 2, :canceled => 2 } return 0.0 if column == :active && !KanbanPane::ActivePane.configured? return 0.0 if column == :testing && !KanbanPane::TestingPane.configured? return 0.0 if column == :finished && !KanbanPane::FinishedPane.configured? return 0.0 if column == :canceled && !KanbanPane::CanceledPane.configured? visible = 0 visible += column_ratios[:user] visible += column_ratios[:active] if KanbanPane::ActivePane.configured? visible += column_ratios[:testing] if KanbanPane::TestingPane.configured? visible += column_ratios[:finished] if KanbanPane::FinishedPane.configured? visible += column_ratios[:canceled] if KanbanPane::CanceledPane.configured? return ((column_ratios[column].to_f / visible) * 96).round(2) end def issue_url(issue) url_for(:controller => 'issues', :action => 'show', :id => issue) end def showing_current_user_kanban? @user == User.current end # Renders the title for the "Incoming" project. It can be linked as: # * New Issue jQuery dialog (user has permission to add issues) # * Link to the url configured in the plugin (plugin is configured with a url) # * No link at all def incoming_title if Setting.plugin_redmine_kanban['panes'].present? && Setting.plugin_redmine_kanban['panes']['incoming'].present? && Setting.plugin_redmine_kanban['panes']['incoming']['url'].present? href_url = Setting.plugin_redmine_kanban['panes']['incoming']['url'] incoming_project = extract_project_from_url(href_url) link_name = incoming_project.present? ? incoming_project.name : l(:kanban_text_incoming) else href_url = '' link_name = l(:kanban_text_incoming) end if User.current.allowed_to?(:add_issues, nil, :global => true) link_to(link_name, href_url, :class => 'new-issue-dialog') elsif href_url.present? link_to(link_name, href_url) else link_name end end # Given a url, extract the project record from it. # Will return nil if the url isn't a link to a project or the url can't be # recognized def extract_project_from_url(url) project = nil link_path = url. sub(request.host, ''). # Remove host sub(/https?:\/\//,''). # Protocol sub(/\?.*/,'') # Query string begin route = ActionController::Routing::Routes.recognize_path(link_path, :method => :get) if route[:controller] == 'projects' && route[:id] project = Project.find(route[:id]) end rescue ActionController::RoutingError # Parse failed, not a route end end def export_i18n_for_javascript strings = { 'kanban_text_error_saving_issue' => l(:kanban_text_error_saving_issue), 'kanban_text_issue_created_reload_to_see' => l(:kanban_text_issue_created_reload_to_see), 'kanban_text_issue_updated_reload_to_see' => l(:kanban_text_issue_updated_reload_to_see), 'kanban_text_notice_reload' => l(:kanban_text_notice_reload), 'kanban_text_watch_and_cancel_hint' => l(:kanban_text_watch_and_cancel_hint), 'kanban_text_issue_watched_reload_to_see' => l(:kanban_text_issue_watched_reload_to_see) } javascript_tag("var i18n = #{strings.to_json}") end def viewed_user return @user if @user.present? return User.current end def use_simple_issue_popup_form? # TODO: Hate how Settings is stored... @settings['simple_issue_popup_form'] && ( @settings['simple_issue_popup_form'] == '1' || @settings['simple_issue_popup_form'] == 1 || @settings['simple_issue_popup_form'] == true ) end # Load remote RJS/HTML data from url into dom_id def kanban_remote_data(url, dom_id) javascript_tag("Kanban.remoteData('#{url}', '#{dom_id}');") + content_tag(:span, l(:label_loading), :class => 'loading') end # Returns a list of pane names in the configured order. # # @param hash options Method options # @option options Array :only Filter the panes to only include these ones def ordered_panes(options={}) only = options[:only] || [] if only.present? KanbanPane.pane_order.select {|pane| only.include?(pane) } else KanbanPane.pane_order end end class UserKanbanDivHelper < BlockHelpers::Base include ERB::Util def initialize(options={}) @column = options[:column] @user = options[:user] @project_id = options[:project_id] end def issues(issues) if issues.compact.empty? || issues.flatten.compact.empty? render :partial => 'kanbans/empty_issue' else render(:partial => 'kanbans/issue', :collection => issues.flatten, :locals => { :limit => Setting['plugin_redmine_kanban']["panes"][@column.to_s]["limit"].to_i }) end end def display(body) content_tag(:div, content_tag(:ol, body, :id => "#{@column}-issues-user-#{h(@user.id)}-project-#{h(@project_id)}", :class => "#{@column}-issues"), :id => "#{@column}-#{h(@user.id)}-project-#{h(@project_id)}", :class => "pane equal-column #{@column} user-#{h(@user.id)}", :style => "width: #{ helper.my_kanban_column_width(@column)}%") end end class KanbanContextualMenu < BlockHelpers::Base def initialize(options={}) @kanban = options[:kanban] @user = options[:user] end def color_help link_to_function(l(:kanban_text_color_help), "$('color-help').toggle();", :class => 'icon icon-info') end def kanban_board if User.current.allowed_to?(:view_kanban, nil, :global => true) link_to(l(:text_kanban_board), kanban_url, :class => 'icon icon-stats') end end def my_kanban_requests link_to(l(:text_my_kanban_requests_title), kanban_user_kanban_path(:id => User.current.id), :class => 'icon icon-user') end def assigned_requests link_to(l(:text_assigned_kanban_title), kanban_assigned_kanban_path(:id => User.current.id), :class => 'icon icon-user') end def new_issue if User.current.allowed_to?(:add_issues, nil, :global => true) if Setting.plugin_redmine_kanban['panes'].present? && Setting.plugin_redmine_kanban['panes']['incoming'].present? && Setting.plugin_redmine_kanban['panes']['incoming']['url'].present? incoming_url = Setting.plugin_redmine_kanban['panes']['incoming']['url'] incoming_project = extract_project_from_url(incoming_url) link_name = incoming_project.present? ? incoming_project.name : l(:label_issue_new) else link_name = l(:label_issue_new) end link_to_function(link_name, "void(0)", :class => 'new-issue-dialog icon icon-issue') end end def sync_kanban if User.current.allowed_to?(:edit_kanban, nil, :global => true) link_to(l(:kanban_text_sync), sync_kanban_url, :method => :put, :class => 'icon icon-reload') end end # @param [Hash] options # @option options [String] :url URL that the user switch form should post to # @option options [String] :label Text to use for the Switch User label (i18n'd already) # @option options [String] :users Users to allow switching to. 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09-11
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