局部刷新

app/views/layouts/_join_exit_project.html.erb

@@ -1,12 +1,8 @@
 <div class="pr_info_join fl">
    <!--关注:非项目成员-->
-  <% if !User.current.member_of?(@project) && User.current.login? && !User.current.admin %>
+  <div id="join_in_project_applied">
-      <span><%= watcher_link_for_project(@project, User.current) %></span>
+    <%= render :partial => "projects/applied_status" %>
-  <!--加入项目 -->
+  </div>
-      <span id="join_in_project">
-        <%= join_in_project_link(@project, User.current) %>
-      </span>
-  <% end %>
   <!--配置项目-->
   <% if User.current.admin? || User.current.allowed_to?({:controller => 'projects', :action => 'settings'}, @project)  %>
       <%= link_to "<span class='pr_setting'></span>#{l(:button_configure)}".html_safe, settings_project_path(@project), :class => "pr_join_a" %>

app/views/projects/_applied_status.html.erb

@@ -0,0 +1,9 @@
+<% if !User.current.member_of?(@project) && User.current.login? && !User.current.admin %>
+    <span><%= watcher_link_for_project(@project, User.current) %></span>
+    <!--加入项目 -->
+    <% if AppliedProject.where(:user_id => User.current, :project_id => @project_id).first.nil? %>
+        <%= join_in_project_link(@project, User.current) %>
+    <% else %>
+        等待审批
+    <% end %>
+<% end %>