编辑footer.php在</body>
前添加如下代码:
<form id="login" action="login" method="post">
<h1>网站登陆</h1>
<p class="status"></p>
<label for="username">用户名</label>
<input id="username" type="text" name="username"><label for="password">密码</label>
<input id="password" type="password" name="password">
<a class="lost" href="<?php echo wp_lostpassword_url(); ?>">忘记密码?</a>
<input class="submit_button" type="submit" value="Login" name="submit">
<a class="close" href="">(关闭)</a>
<?php wp_nonce_field( 'ajax-login-nonce', 'security' ); ?>
</form>
在要显示登陆链接的地方,添加如下代码:
<?php if (is_user_logged_in()) { ?>
<a class="login_button" href="<?php echo wp_logout_url( home_url() ); ?>">退出</a>
<?php } else { ?>
<a class="login_button" id="show_login" href="">登陆</a>
<?php } ?>
CSS文件,添加至style.css
form#login{
display: none;background-color: #FFFFFF;position: fixed;top: 200px;padding: 40px 25px 25px 25px;width: 350px;z-index: 999;left: 50%;margin-left: -200px;
}
form#login p.status{
display: none;
}
.login_overlay{
height: 100%;width: 100%;background-color: #F6F6F6;opacity: 0.9;position: fixed;z-index: 998;
}
在funcitons.php添加如下代码:
function ajax_login_init(){
wp_register_script('ajax-login-script', get_template_directory_uri() . '/ajax-login-script.js', array('jquery') );
wp_enqueue_script('ajax-login-script');
wp_localize_script( 'ajax-login-script', 'ajax_login_object', array(
'ajaxurl' => admin_url( 'admin-ajax.php' ),'redirecturl' => home_url(),'loadingmessage' => __('正在登陆,请稍后...')));
add_action( 'wp_ajax_nopriv_ajaxlogin', 'ajax_login' );
}
if (!is_user_logged_in()) {
add_action('init', 'ajax_login_init');
}
function ajax_login(){
check_ajax_referer( 'ajax-login-nonce', 'security' );
$info = array();
$info['user_login'] = $_POST['username'];
$info['user_password'] = $_POST['password'];
$info['remember'] = true;
$user_signon = wp_signon( $info, false );if ( is_wp_error($user_signon) ){
echo json_encode(array('loggedin'=>false, 'message'=>__('Wrong username or password.')));
} else {
echo json_encode(array('loggedin'=>true, 'message'=>__('Login successful, redirecting...')));
}
die();
}
JS文件内容如下:
jQuery(document).ready(function($) {
$('a#show_login').on('click', function(e){
$('body').prepend('<div class="login_overlay"></div>');
$('form#login').fadeIn(500);
$('div.login_overlay, form#login a.close').on('click', function(){
$('div.login_overlay').remove();
$('form#login').hide();
});
e.preventDefault();
});
$('form#login').on('submit', function(e){
$('form#login p.status').show().text(ajax_login_object.loadingmessage);
$.ajax({
type: 'POST',
dataType: 'json',
url: ajax_login_object.ajaxurl,
data: {
'action': 'ajaxlogin',
'password': $('form#login #password').val(),
'security': $('form#login #security').val()
},
success: function(data){
$('form#login p.status').text(data.message);if (data.loggedin == true){
document.location.href = ajax_login_object.redirecturl;
}
}
});
e.preventDefault();
});
});