修改重复加入项目提示语

app/controllers/applied_project_controller.rb

@@ -10,8 +10,10 @@ class AppliedProjectController < ApplicationController
         if  @applieds.count == 0
           appliedproject = AppliedProject.create(:user_id => params[:user_id], :project_id => params[:project_id])
           Mailer.applied_project(appliedproject).deliver
+          @status = 2
+        else
+          @status = 1
         end
-        @status = 1
       else
         @status = 0
       end

app/views/applied_project/applied_join_project.js.erb

@@ -1,6 +1,8 @@
 <% if @status == 0%>
     alert("您申请的项目不存在");
 <% elsif @status == 1%>
+    alert("请勿重复申请加入该项目");
+<% elsif @status == 2%>
     alert("申请成功");
 <%else%>
     alert("申请失败");