请看以下内容。。

函数my\\u parse\\u request允许模板重写。

函数my\\u query\\u vars将自定义参数添加到WordPress白名单参数

函数my\\u init注册重写。

函数find\\u custom\\u template在父主题或子主题中查找模板。

remember 您需要刷新（）永久链接以进行重写。只需从Admin>settings>permalink>save或flush-through-code-on-plugin-activation（而不是在init-hook上）执行此操作即可

// redirect to the signup template file
add_action( \'parse_request\', \'my_parse_request\' ); 

function my_parse_request( &$wp ) {
    if ( array_key_exists( \'custom-travel-advice\', $wp->query_vars ) ) {  
        /* Allow themes to override the signup template with the file \'page-signup.php\'
        * in either the parent or child theme.
        */                
        if ( $template_found = find_custom_template( \'page-signup.php\' ) ) {               
                include( $template_found );
                exit();
        }
    }
}



add_action( \'query_vars\', \'my_query_vars\' );        

/**
 * whitelist plugin defined query variable within WordPress
 *
 * @access public    
 * @param $query_vars
 * @return $query_vars
 */
function my_query_vars( $query_vars ) {
        $query_vars[] = \'custom-travel-advice\';
        return $query_vars;
}


add_action( \'init\', \'my_init\' );

/**
 * Registers all required code
 *
 * @access public    
 * @return void
 */
function my_init() {
        // add rewrite on the frontend and amdmin side for any furture flush of the rewrites
        // the query variable \'custom-travel-advice\' is used
        add_rewrite_rule( \'travel-advice/?$\', \'index.php?custom-travel-advice=true\', \'top\' );


}



/**
 * Finds a custom template is available, if present allows the child or 
 * parent theme to override the plugin templates.
 *
 * @return   False if not found otherwise the template file location given within the site
 */
function find_custom_template( $template_wanted = \'\' ) {

        $plugin_template_file = false;                       
        if ( locate_template( $template_wanted ) != \'\' ) {

                // locate_template() returns path to file
                // if either the child theme or the parent theme have overridden the template
                $plugin_template_file = locate_template( $template_wanted );
        }

        return $plugin_template_file;
}