  <tr>
      <th field="id" width="50">ID</th>
      <th field="name" width="50">姓名</th>
      <th field="age" width="50">年龄</th>
      <th field="address" width="50">地址</th>
      <th field="email" width="50">邮箱</th>
    </tr>
    </thead>
  </table>
  <div id="toolbar">
    <a class="easyui-linkbutton" href="javascript:void(0)" iconCls="icon-add" onclick="newUser()" plain="true">添加</a>
    <a class="easyui-linkbutton" href="javascript:void(0)" iconCls="icon-edit" onclick="editUser()" p