您可以在中使用此功能functions.php 在您当前的主题中，它将在登录表单上显示一个额外字段
###################Code starts here ###################
<?php
add_action(\'login_form\', \'add_login_field\');
function add_login_field()
{
?>
<p>
<label for="user_pass">My Input<br>
<input type="text" name="my_name" value=""/>
</p>
<?php
}
function do_anything($user) {
//do stuff
$userdata= $user = get_userdatabylogin($user);
$user_id = $userdata->ID;
$my_name = $_POST[\'my_name\'];
add_user_meta( $user_id, \'my_name\', $my_name);
}
add_action(\'wp_login\', \'do_anything\');
?>
############## CODE ENDS HERE ###################
上述代码将在登录表单上创建一个额外字段。此值将与可在中接收的其他值一起过帐“
do_anything($user)“函数。最后，此值可以另存为用户元。
Part 2=======================================================================
add_action(\'login_form\', \'add_login_field\');
function add_login_field()
{
?>
<p>
<label for="user_pass">My Input<br>
<input type="text" name="my_name" value=""/>
</p>
<?
}
function do_anything($user) {
//do stuff
$userdata= $user = get_userdatabylogin($user);
$user_id = $userdata->ID;
$my_name = $_POST[\'my_name\'];
add_user_meta( $user_id, \'my_name\', $my_name);
}
add_action(\'wp_login\', \'do_anything\');
add_filter(\'authenticate\', \'check_login\', 10, 3);
function check_login($user, $username, $password) {
global $wpdb;
if(isset($_POST[\'my_name\']) && trim($_POST[\'my_name\'])!="")
{
$customfield = $_POST[\'my_name\'];
$UsermetaData = $wpdb->get_results("SELECT *FROM wp_usermeta WHERE meta_value=\'$customfield\'");
$user = get_user_by(\'id\', $UsermetaData[0]->user_id );
// Redirect URL //
if ( !is_wp_error( $user ) )
{
wp_clear_auth_cookie();
wp_set_current_user ( $user->ID );
wp_set_auth_cookie ( $user->ID );
$redirect_to = user_admin_url();
wp_safe_redirect( $redirect_to );
exit();
}
return $user;
}
}
Please check this code snippet. Also you need to modify the code as per requirements. Make sure "my_name" field remain unique and it will not be updated every time on log in.
