帖子创建不成功 给出原因

帖子发布时长度检查

app/controllers/forums_controller.rb

@@ -7,7 +7,7 @@ class ForumsController < ApplicationController
   before_filter :find_forum_if_available
   before_filter :authenticate_user_edit, :only => [:edit, :update]
   before_filter :authenticate_user_destroy, :only => [:destroy]
-  before_filter :require_login, :only => [:new, :create,:show,:destroy,:update,:edit]
+  before_filter :require_login, :only => [:new, :create,:destroy,:update,:edit]
 
   helper :sort
   include SortHelper
@@ -164,14 +164,7 @@ class ForumsController < ApplicationController
     @memos
     @my_topic_count =   Memo.where("forum_id = #{@forum.id} and author_id = #{User.current.id} and parent_id is null").count
     @my_replies_count =  Memo.where("forum_id = #{@forum.id} and author_id = #{User.current.id} and parent_id is not null").count
-    # @offset, @limit = api_offset_and_limit({:limit => 10})
-    # @forum = Forum.find(params[:id])
-    # @memos_all = @forum.topics
-    # @topic_count = @memos_all.count
-    # @topic_pages = Paginator.new @topic_count, @limit, params['page']
-
-    # @offset ||= @topic_pages.offset
-    # @memos = @memos_all.offset(@offset).limit(@limit).all
+    @errors = params[:errors]
     respond_to do |format|
       format.js
       format.html {

app/controllers/memos_controller.rb

@@ -73,41 +73,14 @@ class MemosController < ApplicationController
           end
         end
         #end
-        format.html { redirect_to back_memo_url, notice: "#{l :label_memo_create_succ}" }
-        format.json { render json: @memo, status: :created, location: @memo }
+          format.html { redirect_to back_memo_url, notice: "#{l :label_memo_create_succ}" }
+          format.json { render json: @memo, status: :created, location: @memo }
       else
         flash.now[:error] = "#{l :label_memo_create_fail}: #{@memo.errors.full_messages[0]}"
-        # back_error_page = @memo.parent_id.nil? ? forum_path(@forum) : forum_memo_path(@forum, @memo.parent_id)
-        pre_count = REPLIES_PER_PAGE
-
-        @memo_new = @memo.dup
-        @memo = @memo.root # 取出楼主，防止输入帖子id让回复作为主贴显示
-        unless @memo.new_record?
-          @memo.update_column(:viewed_count, (@memo.viewed_count.to_i + 1))
-        end
-
-
-        page = params[:page]
-        if params[:r] && page.nil?
-          offset = @memo.children.where("#{Memo.table_name}.id < ?", params[:r].to_i).count
-          page = 1 + offset / pre_count
-        else
-          
-        end
-        @reply_count = @memo.children.count
-        @reply_pages = Paginator.new @reply_count, pre_count, page
-        @replies = @memo.children.
-                    includes(:author, :attachments).
-                    reorder("#{Memo.table_name}.created_at DESC").
-                    limit(@reply_pages.per_page).
-                    offset(@reply_pages.offset).
-                    all
-        if @memo.new_record?
-          format.html { render :new,:layout=>'base_forums'}
-        else
-          format.html { render action: :show }
+          format.js
+          format.html { redirect_to( forum_path(Forum.find(params[:forum_id]),:errors=>@memo.errors.full_messages[0])) }
           format.json { render json: @memo.errors, status: :unprocessable_entity }
-        end
+        #end
 
       end
     end

app/views/forums/show.html.erb

@@ -1,3 +1,4 @@
+<%= javascript_include_tag 'new_user' %>
 <script>
     function add_class(id){
         if($("#"+id).hasClass("sortArrowActiveD")){
@@ -47,25 +48,49 @@
             $("#reorder_popu").removeClass("sortArrowActiveD");
             add_class("reorder_time");
         });
+        <% if @errors %>
+            $('#create_memo_div').slideToggle();$('#create_memo_btn').slideToggle();
+            $("#error").html('<%= @errors.html_safe %>').show();
+        <% end %>
     });
 
     function check_and_submit(){
-        if($("input[name='memo[subject]']").val().trim() != "" && $("input[name='memo[content]']").val().trim() != ""){
+        if($("textarea[name='memo[subject]']").val().trim() != "" && $("textarea[name='memo[content]']").val().trim() != "" && check_memo_name()){
             $("#new_memo").submit();
         }else{
             $("#error").html("主题和内容不能为空").show();
         }
     }
+
+    function check_memo_name(){
+        if($("#memo_subject").val().trim().length > 50){
+            $("#error").html("主题 过长（最长为 50 个字符）").show();
+            return false;
+        }
+        if($("#memo_content").val().trim().length > 5000){
+            $("#error").html("内容 过长（最长为 5000 个字符）").show();
+            return false;
+        }
+        return true;
+    }
 </script>
 <div class="postRightContainer">
   <div id="create_memo_div" style="display: none">
     <div id="error" class="red fl mb10" style="display: none">error</div>
     <%= labelled_form_for(@memo, :url => forum_memos_path(@forum)) do |f|  %>
     <div>
-      <input type="text" name="memo[subject]" onfocus="$('#error').hide();" onmouseover="this.style.borderColor='#d9d9d9'" class="postDetailInput" placeholder="输入帖子标题"  />
+      <textarea type="text" name="memo[subject]" id="memo_subject" onblur="check_memo_name();" onfocus="$('#error').hide();" onmouseover="this.style.borderColor='#d9d9d9'" class="postDetailInput" placeholder="输入帖子标题"  ></textarea>
+      <script>
+          var textarea1 = document.getElementById('memo_subject');
+          autoTextarea(textarea1);
+      </script>
     </div>
     <div class="mt15">
-      <input type="text" name="memo[content]"  onfocus="$('#error').hide();" onmouseover="this.style.borderColor='#d9d9d9'" class="postDetailInput" placeholder="输入贴子内容" />
+      <textarea type="text" name="memo[content]" id="memo_content"  onfocus="$('#error').hide();" onmouseover="this.style.borderColor='#d9d9d9'" class="postDetailInput" placeholder="输入贴子内容" /></textarea>
+      <script>
+          var textarea = document.getElementById('memo_content');
+          autoTextarea(textarea);
+      </script>
     </div>
     <div class="mt10">
       <!--<a href="javascript:void(0);" class="AnnexBtn fl mt3">上传附件</a>-->