我使用相同的函数向我的block和post中添加一些HTML。在我编辑帖子或重新加载编辑器之前，一切都正常：块验证：“simpletoc/toc”的块验证失败。

Content generated by `save` function:

<p class="wp-block-simpletoc-toc"><h2 class="simpletoc-title">Table of Contents</h2><ul class="simpletoc"></ul></p>

Content retrieved from post body:

<p class="wp-block-simpletoc-toc"><h2 class="simpletoc-title">Table of Contents</h2><ul class="simpletoc"><li><a href="#sdfsfsdf">sdfsfsdf</a></li><li><a href="#sdfsdfsdfsdfdsf">sdfsdfsdfsdfdsf</a></li></ul></p>

所以我试着调试这个。似乎在重新加载时，save函数不允许我检索任何块。常量块=数据。getBlocks（）；在保存功能中为空。为什么会发生这种情况？这一切似乎都很容易，最终似乎奏效了。。。。

 registerBlockType( \'simpletoc/toc\', {
        title: __( \'SimpleTOC\', \'simpletoc\' ),
        icon: listulicon,
        category: \'layout\',
        edit: function ( props ) {
            return buildTOC( props );
        },
        save: function ( props ) {
            return buildTOC( props );
        },
    } );

function buildTOC(props){

    const data = wp.data.select( \'core/block-editor\' );
    const blocks = data.getBlocks();
    const headings = blocks.map( ( item, index ) => {
        if ( item.name === \'core/heading\' ) {
            var slug = \'\';
            var hashslug = \'\';
            var blockId = ( item.clientId );

            slug = item.attributes.content;
            hashslug = \'#\' + slug;

            return <li><a href={hashslug}>{item.attributes.content}</a></li>;
        }
    } );

    return <p className={ props.className }>
            <h2 class="simpletoc-title">{ __( \'Table of Contents\', \'simpletoc\' ) }</h2>
            <ul class="simpletoc">
                    {headings}
            </ul>
            </p>;
}

function buildTOC(props){

    const data = wp.data.select( \'core/block-editor\' );
    const blocks = data.getBlocks();
    const headings = blocks.map( ( item, index ) => {
        if ( item.name === \'core/heading\' ) {
            var slug = \'\';
            var hashslug = \'\';
            var blockId = ( item.clientId );

            slug = item.attributes.content;
            hashslug = \'#\' + slug;

            return <li><a href={hashslug}>{item.attributes.content}</a></li>;
        }
    } );

        edit: function ( props ) {
            const headings = find_headings( props );
            props.setAttributes( { headings: headings } );
            return <toc {...props} />;
        },
        save: function ( props ) {
            return <Toc  {...props} />;
        },

function Toc( props ) {
    return ....
}