ecshop ajax无刷新登陆

<!--{if $user_info}-->


<div class="lef_tit_bj">会员登陆</div>

 <div class="left_conn_bj">

    <table width="100%" border="0" cellspacing="0" cellpadding="0">

                       <tr>

                    <td height="50" align="center" valign="middle"><label><strong>Hello {$user_info.username}</strong></label></td>

                     </tr>

                      <tr>

                      <td height="30" align="center" valign="middle"><strong>欢迎光临本店</strong></td>

                      </tr>

                      <tr>

                      <td height="40" align="center" valign="bottom"><label>

                     <a href="user.php?act=logout"> <img src="../images/tuichu.gif"></a>

                        &nbsp; 

                      <a href="user.php"> <img src="../images/jinrultan.gif"></a>

                      </label></td>

                      </tr>

                      </table>

 </div>

   </div>


<!--{else}-->



<div class="lef_tit_bj">会员登录</div>

 <div class="left_conn_bj">

 

<form id="ECS_LOGINFORM" name="ECS_LOGINFORM" method="post" action="javascript:signIn()">

    <table width="100%" border="0" cellspacing="0" cellpadding="0">

                       <tr>

                    <td height="50" align="right" valign="middle">用户名:</td>

                     <td height="50" align="left" valign="middle"><label>

                       <input type="text" name="username" class="yonhu_input"  style="height:15px;"/>

                     </label></td>

                      </tr>

                      <tr>

                      <td height="30" align="right" valign="middle"> 密&nbsp; 码:</td>

                      <td height="30" align="left" valign="middle"><input type="password" name="password" class="yonhu_input" style="height:15px;" /></td>

                      </tr>

                      <tr>

                      <td height="40" colspan="2" align="center" valign="bottom"><label>

                        <input type="image" name="imageField" src="images/denglu_bann.jpg" />

                        &nbsp; 

                        <a href="user.php?act=register"><img src="images/zhuce_bann.jpg" border="0" /></a>

                      </label></td>

                      </tr>

    </table>

  </form>

 </div>

   </div>

<!--{/if}-->

{literal}

<script type="text/javascript">

function signIn()

{

  var frm = document.forms['ECS_LOGINFORM'];


  if (frm)

  {

    var username = frm.elements['username'].value;

    var password = frm.elements['password'].value;

    var captcha = '';

    if (frm.elements['captcha'])

    {

      captcha = frm.elements['captcha'].value;

    }


    if (username.length == 0 || password.length == 0)

    {

{/literal}

       alert("{$lang.empty_username_password}");

{literal}

        return;

    }

    else

    {

       Ajax.call('user.php?act=signin', 'username=' + username + '&password=' + encodeURIComponent(password) + '&captcha=' + captcha, signinResponse, "POST", "TEXT");

    }

  }

  else

  {

    alert('Template error!');

  }

}


function signinResponse(result)

{

  var userName = document.forms['ECS_LOGINFORM'].elements['username'].value;

  var mzone = document.getElementByIdx_x("ECS_MEMBERZONE");

  var res   = result.parseJSON();


  if (res.error > 0)

  {

    alert(res.content);

    if(res.html)

    {

      mzone.innerHTML = res.html;

      document.forms['ECS_LOGINFORM'].elements['username'].value = userName;

    }

  }

  else

  {

   if (mzone)

    {

      mzone.innerHTML = res.content;

   evalscript(res.ucdata);

      //alert(res.ucdata);

    }

    else

    {

      window.location.reload()

    }

  }

}

</script>


{/literal}


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