WordPress主题开发中如果添加小工具

//开启侧边栏小工具
register_sidebar( array(
    'name' => __( '首页侧边栏', 'Bing' ),
    'id' => 'index_widget',
    'description' => __( '侧边栏的描述', 'Bing' ),
    'before_widget' => '<div class="widget %2$s">',
    'after_widget' => '</div>',
    'before_title' => '<div class="listtop"><h2>',
    'after_title' => '</h2></div>'
) );
register_sidebar( array(
    'name' => __( '文章侧边栏', 'Bing' ),
    'id' => 'post_widget',
    'description' => __( '侧边栏的描述', 'Bing' ),
    'before_widget' => '<div class="widget %2$s">',
    'after_widget' => '</div>',
    'before_title' => '<div class="listtop"><h2>',
    'after_title' => '</h2></div>'
) );