1, bloginfo(‘template_url’)
http://localhost/wordpress/wp-content/themes/mytheme

2, bloginfo(‘template_directory’)
http://localhost/wordpress/wp-content/themes/mytheme

3, get_template_directory_uri()
http://localhost/wordpress/wp-content/themes/mytheme

4, get_stylesheet_directory_uri()
http://localhost/wordpress/wp-content/themes/mytheme

5, get_template_directory()
/www/test_com/wordpress/wp-content/themes/mytheme

6, home_url();
http://localhost/wordpress

7, site_url()
http://localhost/wordpress