jQuery.ajaxForm的使用

var options = {
         //target:     ‘#divToUpdate‘,
         url:    ‘/visitor/registeuser/activateUser‘,
         type:‘POST‘,
         dataType:"json",
         success:function(data) {
             var txt_content = document.getElementById("error_tips_text");
             var div_tips = document.getElementById("error_tips");
             var username_text = document.getElementById("username");
             var mail_text = document.getElementById("email");
             var btn = document.getElementById("active");
             var login = document.getElementById("login");
             if(data.error == ‘-2‘){
                 //location.reload();
                 txt_content.value = ‘无效的帐号,请重新输入‘;
                 txt_content.style.display = "block";
                 username_text.value = ‘‘;
                 mail_text.value = ‘‘;
                 setTimeout(function(){txt_content.style.display = "none";}, 2000);
             }else if(data.error == ‘-1‘){
                 txt_content.value = ‘填写的邮箱与账号绑定的邮箱不匹配，请重新输入‘;
                 txt_content.style.display = "block";
                 mail_text.value = ‘‘;
                 setTimeout(function(){txt_content.style.display = "none";}, 2000);
             }else if(data.error == ‘-4‘){
                txt_content.value = ‘帐号已经是激活状态，无需再激活‘;
                txt_content.style.display = "block";
                mail_text.value = ‘‘;
                setTimeout(function(){txt_content.style.display = "none";}, 2000);
            }
             else if(data.error == ‘0‘){
                 login.style.height = "auto";
                 div_tips.style.width = "335px";
                 txt_content.innerHTML = ‘激活邮件已经发送到注册邮箱:‘;
                 txt_content.innerHTML += "\r\n"+mail_text.value+‘,请您接收并激活链接。‘;
                 txt_content.style.display = "block";
                 username_text.setAttribute("readonly", true);
                 mail_text.setAttribute("readonly", true);
                 btn.setAttribute("disabled", true);
                 btn.value="成功激活";

             }else{
                 txt_content.style.display = "block";
                 txt_content.value = ‘激活邮件发送失败，请稍后再试！‘;
                 setTimeout(function(){location.reload();}, 2000);
             }
         },
         error: function(data) {
             // error code
             alert(‘帐号激活不成功，请重新尝试‘);
             location.reload();
             //window.location.href=‘/math/jietindex‘;
         }
    };
      //pass options to ajaxForm
     $(‘#login_main_det‘).ajaxForm(options);

<?php 
$tittle = ‘激活账号-‘.SYS_NAME;
$css = ‘loginuser‘;
$js = ‘activeform,jquery.form,jquery.validate‘;
$keywords = SITE_KEYWORD;
$description = ‘登录‘.SYS_NAME.‘，在线快速搜题，答案就在这里，快来挖取吧‘;

include $this->gettpl(‘/zheader/header‘);
?>

<!-- login start -->
<div class="login_wrap" id="login">

    <div class="login_main">
        <div class="login_main_title">
            <a href="/visitor/loginuser.html" class="login_com" >激活账号</a>
        </div>

        <form class="login_main_det" id="login_main_det" action="/visitor/registeuser/activateUser" method="post">
            <div class="login_main_det_li">
                <div class="warning" id="error_tips">
                    <textarea class="warn_text" id="error_tips_text" style="width:100%;word-break:break-all;overflow:hidden;line-height:2.0"></textarea>
                </div>
                <input type="text"  class="m_d_l_input" name="username" id="username" placeholder="请输入用户名"/>
                <div class="error_alert"></div>            
            </div>
            <div class="login_main_det_li">
                <input type="text" class="m_d_l_input" name="email" id="email" placeholder="请输入注册的邮箱"/>
                <div class="error_alert"></div>            
            </div>    
                    
            <div class="login_main_det_li">
                <input type="hidden" name="formhash" value="<?php echo FORMHASH;?>" />
                <input type="hidden" name="resolution" class="resolution" value="" />
                <input type="submit" class="img_button" value="激活"/>
            </div>
        </form>
        
        <div class="login_main_link">

            <div class="login_main_link_de">没有帐号? 请先
                <a href="/visitor/registeuser.html" title="注册页面">注册</a>
            </div>
            <div class="login_main_link_de">已有帐号? 欢迎
                <a href="/visitor/loginuser.html" title="登录页面">登录</a>
            </div>
            <div class="login_main_link_de">忘记密码，请点击
                <a href="/visitor/forpswd.html" title="忘记密码">忘记密码</a>
            </div>
            
        </div>
    </div>    
</div>

.warn_text{
    margin-top: 8px;
    margin-bottom: 20px;
    display:none;
    font-size:16px;
    color:#007bc6;
    width:335px;
    padding: 10px 10px;
    border: 1px solid #ec6628;
}

/**
     * activateUser 激活账号
     * @author denghy 20150616
     * 
     * 
     */
    public function activateUser(){
        if($this->is_post() && $this->submitcheck()) {
            $username = strval(getgpc(‘username‘, ‘P‘));
            $email    = strval(getgpc(‘email‘,‘P‘));
            
            $model = $this->get_model("user/users");
            $site = $model->check_user($username);
            if($site == false) {
                //$this->show_msg(‘无效的帐号,请重新输入‘, 4, ‘‘, 2, 2);
                $res_error = ERROR_INVALID_NAME;
            }elseif($site[‘state‘] != 0){
                //$this->show_msg(‘帐号已是激活状态,请换一个账号‘, 4, ‘‘, 2, 2);
                $res_error = ERROR_NAME_EXISTED;
            }elseif($site[‘email‘] != $email){
                //$this->show_msg(‘填写的邮箱与账号绑定的邮箱不匹配，请重新输入‘, 4, ‘‘, 2, 2);
                $res_error = ERROR_INVALID_PARAM;
            }else{
                
                include ‘smtp/my_smtp.php‘;
                //                         $mailbody        =    Check_actnum();    //激活码
                $smtpemailto     =     $email;//用户注册的邮箱
                $EncodeStr        =    urlencode($username);
                $mailsubject     =     "a=".$EncodeStr."&p=".$site[‘password‘];
                $regdet = array($username,$email);
                
                if (my_sendmail($smtpemailto,$mailsubject,$regdet,‘‘,3)){
                    //$this->show_msg("激活邮件已经发送到注册邮箱: <br />$email<br /> 请您接收并激活链接。", 3, ‘/visitor/loginuser‘,5,1);
                    $res_error = ERROR_SUCCESS;
                }else{
                    $res_error = ERROR_OTHER;
                    //$this->show_msg(‘激活邮件发送失败，请稍后再试！‘, 4, ‘‘, 2, 2);
                }
            }
            $data = array(
                ‘error‘        =>    $res_error
            );
            echo json_encode($data);
            
        }else{
            $this->show_msg(‘非法操作！‘, 4, ‘‘, 1, 2);
        }
    }