博客园美化阅读模式

<!--阅读模式-->
<style>
    .read_book {
        background: url(https://images.cnblogs.com/cnblogs_com/pythonywy/1516412/o_greedread.png)
    }

    .not_read_book {
        background: url(https://images.cnblogs.com/cnblogs_com/pythonywy/1516412/o_notread.png)
    }

    .read_book_button {
        height: 38px;
        width: 38px;
        border-radius: 50%;
        border: none;
        position: fixed;
        bottom: 22px;
        left: 20px;
        outline: none;
    }

    .read_goend_button {
        background: url(https://images.cnblogs.com/cnblogs_com/pythonywy/1516412/o_goend2.png);
        height: 38px;
        width: 38px;
        border-radius: 50%;
        border: none;
        position: fixed;
        bottom: 67px;
        left: 20px;
        outline: none;
    }

    .read_gotop_button {
        background: url(https://images.cnblogs.com/cnblogs_com/pythonywy/1516412/o_gotop.png);
        height: 38px;
        width: 38px;
        border-radius: 50%;
        border: none;
        position: fixed;
        bottom: 112px;
        left: 20px;
        outline: none;
    }

    .read_auto_button {
        height: 38px;
        width: 38px;
        border-radius: 50%;
        border: none;
        position: fixed;
        bottom: 156px;
        left: 20px;
        outline: none;
    }
    .start_auto{
        background: url(https://images.cnblogs.com/cnblogs_com/pythonywy/1516412/o_auto_start.png);
    }
    .stop_auto{
        background: url(https://images.cnblogs.com/cnblogs_com/pythonywy/1516412/o_auto_stop.png);
    }
</style>


<button class="read_auto_button start_auto" style="display: none"></button>
<button class="read_gotop_button" style="display: none"></button>
<button class="read_goend_button" style="display: none"></button>
<button class="read_book_button not_read_book" style="display: none"></button>


<script>
    //自动滚动事件
    var read_auto_button = document.querySelector('.read_auto_button');
    read_auto_button.onclick = function () {
        var start_or_stop = this.classList[1];
        if (start_or_stop == 'start_auto') {
            this.className = 'read_auto_button stop_auto';
            var gotoend = function () {
                var scroll_y = window.scrollY;
                scrollTo(scroll_y, scroll_y + 2);
            }
            Window.start = setInterval(gotoend, 100)
        } else {
            this.className = 'read_auto_button start_auto';
            clearInterval(Window.start)
        }

    };


    //判断是否出现正文出现正文的时候出现read按钮
    var topics = document.querySelector('#topics');
    var read_book_button = document.querySelector('.read_book_button');
    if (topics) {
        read_book_button.style.display = 'block'

    }

    //向上按钮点击事件
    var read_gotop_button = document.querySelector('.read_gotop_button');
    read_gotop_button.onclick = function () {
        window.scrollTo(0, 0);
    };

    //向下按钮点击事件
    var read_goend_button = document.querySelector('.read_goend_button');
    read_goend_button.onclick = function () {
        window.scrollTo(0, 9999);
    };

    read_book_button.onclick = function () {
        //点击事情跟换类名
        var class_name = this.classList[1];
        class_name == 'read_book' ? this.className = 'read_book_button not_read_book' : this.className = 'read_book_button read_book'

        //更换样式
        //头
        var head = document.querySelector('#header');
        //右侧
        var sideBar = document.querySelector('#sideBar');
        //评价栏
        var comment_form = document.querySelector('#comment_form');

        //正文无关的内容
        var blog_post_info_block = document.querySelector('#blog_post_info_block');
        var postDesc = document.querySelector('.postDesc');
        var footer = document.querySelector('#footer');
        var blog_comments_placeholder = document.querySelector('#blog-comments-placeholder');
        var waifu = document.querySelector('#waifu');

        //自动滚动按钮
        var read_auto_button = document.querySelector('.read_auto_button');
        //向上的按钮
        var read_gotop_button = document.querySelector('.read_gotop_button');
        //向下的按钮
        var read_goend_button = document.querySelector('.read_goend_button');
        //文章
        var mainContent = document.querySelector('#mainContent');

        if (class_name == 'read_book') {
            head.style.display = 'block';
            sideBar.style.display = 'block';
            comment_form.style.display = 'block';
            blog_post_info_block.style.display = 'block';
            postDesc.style.display = 'block';
            footer.style.display = 'block';
            blog_comments_placeholder.style.display = 'block';
            waifu.style.display = 'block';
            read_gotop_button.style.display = 'none';
            read_goend_button.style.display = 'none';
            read_auto_button.style.display = 'none';
            mainContent.style.width = '94%'
        } else {
            head.style.display = 'none';
            sideBar.style.display = 'none';
            comment_form.style.display = 'none';
            blog_post_info_block.style.display = 'none';
            postDesc.style.display = 'none';
            footer.style.display = 'none';
            blog_comments_placeholder.style.display = 'none';
            waifu.style.display = 'none';
            read_gotop_button.style.display = 'block';
            read_goend_button.style.display = 'block';
            read_auto_button.style.display = 'block';
            mainContent.style.width = '124%'
        }
    }
</script>

@keyframes pulse {
    25% {
        transform: scale(1.05);
    }

    75% {
        transform: scale(.99);
    }
}
.read_goend_button:hover,.read_gotop_button:hover,.read_book_button:hover {
    animation-name: pulse;
    animation-duration: 1s;
    animation-timing-function: linear;
    animation-iteration-count: infinite;
    box-shadow: none;
}