Tổng hợp các kiểu Recent Comments cho blogger

Ai chơi blog thì cũng đều biết sự quan trọng của tiện ích Recent Commments (Nhận xét mới) bởi nó giúp tác giả / người đọc theo dõi một cách trực quan, tiếp diễn những thảo luận trên blog. Thời gian vừa rồi hệ thống blog của Opera bị trục trặc, 2ku blog có "gạ" blogger Thiếu Long Texas sang chơi Blogger nhưng Thiếu Long nói thích Opera hơn vì ở đó có tiện ích Recent Comment (lúc này anh ấy chưa biết Blogger cũng có tiện ích này và hàng hà sa số tiện ích khác so với Opera). Thời gian gần đây, 2ku sang nhà các blogger thân hữu chơi thì thấy tiện ích này trên các blog đó bị lỗi, không hiển thị nữa. Sau khi tìm hiểu thì 2ku thấy rằng tiện ích Recent Comment hỗ trợ trong blogger được cung cấp bởi Blogger Buster và đang bị lỗi gì đó.

Thật ra, tiện ích mặc định trên Blogger này cũng đã xưa hơn Diễm lâu rồi. Trong giới Blogger từ lâu đã và đang cho ra đời những tiện ích Nhận xét mới được "độ" và nâng cấp, tuyệt vời hơn cái phiên bản mặc định kia nhiều. Để giúp các bác blogger chưa có thời gian tìm hiểu kỹ về vấn đề này, 2ku blog xin tổng hợp 1 số kiểu tiện ích "Recent comments" như dưới đây.

Bước 1:
Trước hết, chúng ta xác định vị trí để chèn tiện ích này trên blog của mình (thường là các sidebar trái hoặc phải). Từ Blogger Dashboard → Layout → Xác định vị trí đặt tiện ích và "Add a Gadget" → chọn "HTML/JavaScript" trong danh sách Gadget hiện ra.

Bước 2:
Một cửa sổ nhập liệu hiện ra. Các bạn đặt tên cho nó và dán các đoạn mã của tiện ích vào rồi lưu lại (Save). Đoạn mã cho tiện ích thì các bạn có thể chọn 1 trong số 3 kiểu mà 2ku sẽ trình bày ngay sau đây.

Bước 3:
Như đã trình bày ở trên, hiện có khá nhiều kiểu "Recent comments". 2ku blog lựa chọn giới thiệu 3 đại diện của các "trường phái" phổ biến nhất để các bạn tùy nghi áp dụng vào blog mình sao cho phù hợp.

1. Kiểu đơn giản: không có avatar người bình luận.
Các bạn tham khảo hình ảnh dưới đây. Tiện ích sẽ thể hiện tên người nhận xét, tên bài viết có nhận xét và trích dẫn nhận xét.

Đoạn mã cho kiểu tiện ích này như sau:

<script style=text/javascript 
src="http://helplogger.googlecode.com/svn/trunk/recent comments 
widget.js"></script><script style=text/javascript >var 
a_rc=5;var m_rc=false;var n_rc=true;var 
o_rc=100;</script><script src=http://cuAnhcuEm.blogspot.com/feeds/comments/default?alt=json-in-script&callback=showrecentcomments
 ></script><style type=text/css> 
.rcw-comments a {text-transform: capitalize;} .rcw-comments 
{border-bottom: 1px dotted; padding-top: 7px!important; padding-bottom: 
7px!important;} #rcw-cr {font-family: 
Arial,Tahoma;font-size:9px;padding-top:7px;display:block;} 
</style>

Bạn chỉ cần thay đoạn http://cuAnhcuEm.blogspot.com bằng đường link của blog mình. Số 5 quy định số nhận xét được hiện thị.

2. Kiểu có avatar hình vuông, bo góc.
Đây là mẫu tiện ích được giới thiệu bởi Duy Phạm. Các bạn tham khảo hình ảnh dưới đây để biết "dung nhan" em nó.

Đoạn trích của nhận xét sẽ hiển thị khi di chuyển con trỏ lên trên đường link của bài viết. Đoạn mã của kiểu tiện ích này như sau:

<div id='recent-comments-avatar'>
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on='on';
profile='View the profile of';
admin_style='<span style="background:#F00;color:#FFF">Admin</span>';
home_page='';
admin_uri='';
admin_avatar='';
avatar_show='yes';
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f[a]}];b=function(){return dp[7]};a=1}for(;a--;)c[a]&&(d=d[dp[6]](RegExp(dp[8]+b(a)+dp[8],dp[9]),c[a]));return d}(dp[0],62,352,dp[3][dp[2]](dp[1]),0,{}));
</script>
<script type='text/javascript'>rc_avatar();</script>
</div>

Thay 5 bằng số nhận xét bạn muốn hiển thị, 30 là số ký tự tối đa tên người nhận xét được hiển thị, 150 là số ký tự tối đa trích đoạn nội dung của nhận xét. Nếu không muốn hiển thị avatar hãy thay yes thành ký tự bất kỳ khác.

Sau khi lưu đoạn mã, bạn vào Template → Edit HTML → Proceed. Cửa sổ mã của blog hiện ra. Các bạn nhấn tổ hợp Cltr+F để tìm đến đoạn mã ]]></b:skin> . Chép và dán toàn bộ đoạn mã dưới đây vào ngay phía trên thẻ ]]></b:skin> vừa tìm được:

.rc-avatar{float:left;margin-right:10px;border:1px solid #999;border-radius:5px;background:#FFF;width:36px;height:36px;padding:3px}

Nhấn Save Template là xong.

3. Kiểu có hình đại diện (avatar) hình tròn:
Bạn có thể tham khảo kiểu này ngay trên 2ku Blog, mục "Nhận xét mới" ở sidebar. Rất đẹp phải không nào? Nhưng lưu ý là hiệu ứng ảnh hình tròn này chỉ hiển thị trên trình duyệt FireFox và Chrome chứ vô hiệu trên Internet Explorer.
Đoạn mã của kiểu này như sau:

<style type="text/css">
    ul.w2b_recent_comments{list-style:none;margin:0;padding:0;}
    .w2b_recent_comments li{background:none !important;margin:0 0 6px !important;padding:0 0 6px 0 !important;display:block;clear:both;overflow:hidden;list-style:none;}
    .w2b_recent_comments li .avatarImage{padding:3px;background:#fefefe;-webkit-box-shadow:0 1px 1px #ccc;-moz-box-shadow:0 1px 1px #ccc;box-shadow:0 1px 1px #ccc;float:left;margin:0 6px 0 0;position:relative;overflow:hidden;}
    .avatarRound{-webkit-border-radius:100px;-moz-border-radius:100px;border-radius:100px;}
    .w2b_recent_comments li img{padding:0px;position:relative;overflow:hidden;display:block;}
    .w2b_recent_comments li span{margin-top:4px;color: #666;display: block;font-size: 12px;font-style: italic;line-height: 1.4;}
</style>
<script type="text/javascript">
//<![CDATA[
    // Recent Comments Settings
    var
 numComments  = 5,
 showAvatar  = true,
 avatarSize  = 60,
 roundAvatar = true,
 characters  = 110,
 showMorelink = false,
 moreLinktext = "Xem thêm »",
 defaultAvatar  = "http://www.gravatar.com/avatar/?d=mm",
 hideCredits = true;
//]]>
</script>
<script type="text/javascript" src="http://shareallworld.googlecode.com/files/w2b-recent-comments-gravatar.js"></script>
<script type="text/javascript" src="http://www.cuanhcuem.net/feeds/comments/default?alt=json&callback=w2b_recent_comments&max-results=5"></script>

Thay đoạn http://www.cuanhcuem.net bằng đường link trang blog của bạn. Lưu tiện ích lại là xong.

Chúc thành công!

=== Nhấn vào đây để tìm bài viết này trên google ===