新增和修改作业增加js验证

app/views/homework_attach/edit.html.erb

@@ -14,7 +14,24 @@
       }
       function submit_homework_form()
       {
-          $('#edit_homework_attach_<%= @homework.id%>').submit();
+          if(regexName()){$('#edit_homework_attach_<%= @homework.id%>').submit();}
+      }
+      function regexName()
+      {
+          var name = $("#homework_attach_name").val();
+
+          if(name=="")
+          {
+              $("#homework_attach_name_span").text("名称不能为空");
+              $("#homework_attach_name_span").css('color','#ff0000');
+              return false;
+          }
+          else
+          {
+              $("#homework_attach_name_span").text("填写正确");
+              $("#homework_attach_name_span").css('color','#008000');
+              return true;
+          }
       }
   </script>
 </head>
@@ -44,7 +61,8 @@
         <%= form_for(@homework) do |f|%>
           <p>
             <label><span class="c_red">*</span>&nbsp;&nbsp;作品名称&nbsp;&nbsp;&nbsp;&nbsp;：</label>
-            <%= f.text_field :name, :required => true, :name => "homework_name", :class => "w430 bo", :maxlength => 254, :placeholder => "作品名称"%>
+            <%= f.text_field :name, :required => true, :name => "homework_name", :class => "w430 bo", :maxlength => 254, :placeholder => "作品名称", :onblur => "regexName();"%>
+            <span id="homework_attach_name_span"></span>
           </p>
           <p>
             <label>&nbsp;&nbsp;&nbsp;提交项目

app/views/homework_attach/new.html.erb

@@ -1,9 +1,24 @@
 <%= stylesheet_link_tag  'css', :media => 'all' %>
-<script type="text/javascript" language="javascript">
+<script type="text/javascript" language="javascript" xmlns="http://www.w3.org/1999/html">
-    function submit_homework_form()
+    function regexName()
     {
-        $('#new_homework_attach').submit();
+        var name = $("#homework_attach_name").val();
+
+        if(name=="")
+        {
+            $("#homework_attach_name_span").text("名称不能为空");
+            $("#homework_attach_name_span").css('color','#ff0000');
+            return false;
         }
+        else
+        {
+            $("#homework_attach_name_span").text("填写正确");
+            $("#homework_attach_name_span").css('color','#008000');
+            return true;
+        }
+    }
+
+    function submit_homework_form(){if(regexName()){$('#new_homework_attach').submit();}}
 </script>
 <div class="container">
   <div class="Newwork">
@@ -36,7 +51,8 @@
                 </span>
                 &nbsp;&nbsp;作品名称&nbsp;&nbsp;&nbsp;&nbsp;：
               </label>
-              <%= f.text_field "name", :required => true, :size => 60, :class => "w430 bo", :maxlength => 254, :placeholder => "作品名称" %>
+              <%= f.text_field "name", :required => true, :size => 60, :class => "w430 bo", :maxlength => 254, :placeholder => "作品名称", :onblur => "regexName();" %>
+              <span id="homework_attach_name_span"></span>
             </p>
             <p>
               <label>&nbsp;&nbsp;&nbsp;提交项目