Tạo phân trang cho blog cách đơn giãn nhất




Để Blog của bạn "Pro" hơn, bạn nên phân trang cho blog theo các bước sau đây.
Đầu tiên, bạn đăng nhập vào blog, chọn thiết kế > Thêm tiện ích > thêm HTML/Javacript, sau đó dán toàn bộ các code này vào
<style>
.showpageArea {font-size: 16px; width:300px;background: url(http://thantoc.xm.com/hinh-anh/Pagenavbar-1.jpg) no-repeat left top; padding: 10px; color:#003366;text-align:center;
}
.showpageArea a {
color:#0F0;
text-decoration:underline;
}
.showpageNum a {

text-decoration:none;
color:#0F0; border:1px solid #FFF;
margin:0 10px;
padding:0 5px 0 8px;
}
.showpageNum a:hover {
color:#ffff00; border:1px solid #00ff00;
background-color:#FFF;
}
.showpagePoint {
color:#ffff00;
margin:0 8px 0 4px;
}
.showpage a {
text-decoration:none;
color:#FFF;
padding:0 2px 0 4px;
}
.showpage a:hover {
color:#ffff00;
text-decoration:underline;
} .showpageNum a:link,.showpage a:link {
text-decoration:none;
color:#00ff00;
}
</style>

<script type="text/javascript">

function showpageCount(json) {
var thisUrl = location.href;
var htmlMap = new Array();
var isFirstPage = thisUrl.substring(thisUrl.length-14,thisUrl.length)==".blogspot.com/";
var isLablePage = thisUrl.indexOf("/search/label/")!=-1;
var isPage = thisUrl.indexOf("/search?updated")!=-1;
var thisLable = isLablePage ? thisUrl.substr(thisUrl.indexOf("/search/label/")+14,thisUrl.length) : "";   
    thisLable = thisLable.indexOf("?")!=-1 ? thisLable.substr(0,thisLable.indexOf("?")) : thisLable;
var thisNum = 1;
var postNum=1;
var itemCount = 0;
var fFlag = 0;
var eFlag = 0;
var html= '';
var upPageHtml ='';
var downPageHtml ='';


var pageCount=5;
var displayPageNum=5;
var firstPageWord = 'Đầu';
var endPageWord = 'Cuối';
var upPageWord ='&#9668;';
var downPageWord ='&#9658;';



var labelHtml = '<span class="showpageNum"><a href="/search/label/'+thisLable+'?&max-results='+pageCount+'">';

for(var i=0, post; post = json.feed.entry[i]; i++) {
  var timestamp = post.published.$t.substr(0,10);
  var title = post.title.$t;
  if(isLablePage){
    if(title!=''){
        if(post.category){
      for(var c=0, post_category; post_category = post.category[c]; c++) {
        if(encodeURIComponent(post_category.term)==thisLable){                     
          if(itemCount==0 || (itemCount % pageCount ==(pageCount-1))){
            if(thisUrl.indexOf(timestamp)!=-1 ){
              thisNum = postNum;             
            }

            postNum++;
            htmlMap[htmlMap.length] = '/search/label/'+thisLable+'?updated-max='+timestamp+'T00%3A00%3A00%2B08%3A00&max-results='+pageCount;
          }                
        }     
      }
    }//end if(post.category){

     itemCount++;
   }

  }else{
    if(title!=''){
      if(itemCount==0 || (itemCount % pageCount ==(pageCount-1))){
        if(thisUrl.indexOf(timestamp)!=-1 ){
          thisNum = postNum;
        }

        if(title!='') postNum++;
        htmlMap[htmlMap.length] = '/search?updated-max='+timestamp+'T00%3A00%3A00%2B08%3A00&max-results='+pageCount;
      }     
    }
    itemCount++;
  }
}

for(var p =0;p< htmlMap.length;p++){
  if(p>=(thisNum-displayPageNum-1) && p<(thisNum+displayPageNum)){
    if(fFlag ==0 && p == thisNum-2){
      if(thisNum==2){
        if(isLablePage){
          upPageHtml = labelHtml + upPageWord +'</a></span>';         
        }else{
          upPageHtml = '<span class="showpage"><a href="/">'+ upPageWord +'</a></span>';
        }
      }else{
        upPageHtml = '<span class="showpage"><a href="'+htmlMap[p]+'">'+ upPageWord +'</a></span>';
      }

      fFlag++;
    }

    if(p==(thisNum-1)){
      html += '&nbsp;<span class="showpagePoint"><u>'+thisNum+'</u></span>';
    }else{
      if(p==0){
        if(isLablePage){
          html = labelHtml+'1</a></span>';
        }else{
          html += '<span class="showpageNum"><a href="/">1</a></span>';         
        }
      }else{
        html += '<span class="showpageNum"><a href="'+htmlMap[p]+'">'+ (p+1) +' </a></span>';
      }
    }

    if(eFlag ==0 && p == thisNum){
      downPageHtml = '<span class="showpage"> <a href="'+htmlMap[p]+'">'+ downPageWord +'</a></span>';
      eFlag++;
    }
  }//end  if(p>=(thisNum-displayPageNum-1) && p<(thisNum+displayPageNum)){
}//end for(var p =0;p< htmlMap.length;p++){

if(thisNum>1){
  if(!isLablePage){
      html = '<span class="showpage"><a href="/">'+ firstPageWord +' </a></span>'+upPageHtml+' '+html +' ';
  }else{
      html = ''+labelHtml + firstPageWord +' </a></span>'+upPageHtml+' '+html +' ';
  }
}

  html = '<div class="showpageArea"><span >Trang '+thisNum+' / '+(postNum-1)+': </span>'+html;

if(thisNum<(postNum-1)){
  html += downPageHtml;
  html += '<span class="showpage"><a href="'+htmlMap[htmlMap.length-1]+'"> '+endPageWord+'</a></span>';
}

if(postNum==1) postNum++;
  html += '</div>';

  if(isPage || isFirstPage || isLablePage){
    var pageArea = document.getElementsByName("pageArea");
    var blogPager = document.getElementById("blog-pager");

    if(postNum <= 2){
        html ='';
    }

    for(var p =0;p< pageArea.length;p++){
      pageArea[p].innerHTML = html;
    }

    if(pageArea&&pageArea.length>0){
      html ='';
    }

    if(blogPager){
      blogPager.innerHTML = html;
    }
  }

}
</script>

<script src="/feeds/posts/summary?alt=json-in-script&callback=showpageCount&max-results=99999" type="text/javascript"></script>


<style type=”text/css”>
.showpageArea {padding: 10px; color:#003366;text-align:left;width:530px;
}
.showpageArea a {
float:left;
text-align:center;
display:block;
margin:0 5px;
color:#333;
}
.showpageArea a:hover {
color:#333;
margin:0 5px;
}
.showpageNum a { background: url(‘http://i410.photobucket.com/albums/pp181/JohnSmithamazon/Blogger-Templates-Free-Designs-XML-Tutorial/page_num.gif’) no-repeat 0 0;
width:37px;
height:42px;
display:block;
text-align:center;
float:left;
margin:0 5px;
padding-top:6px;
text-decoration:none;
color:#333;
}
.showpageNum a:hover { background:url(‘http://i410.photobucket.com/albums/pp181/JohnSmithamazon/Blogger-Templates-Free-Designs-XML-Tutorial/page_num.gif‘) no-repeat 0 100%;
color:#FFF;
}
.showpagePoint {background:url(‘http://i410.photobucket.com/albums/pp181/JohnSmithamazon/Blogger-Templates-Free-Designs-XML-Tutorial/page_num.gif‘) no-repeat 0 100%;
width:37px;
height:42px;
display:block;
float:left;
text-align:center;
margin:0 5px;
padding-top:6px;
font-weight:bold;
color:#FFF;
}
.showpageNum a:link, .showpage a:link {
text-decoration:none;
color:#cc0000;
}
.showpageupPageWord a { float:left;
background:url(‘http://i410.photobucket.com/albums/pp181/JohnSmithamazon/Blogger-Templates-Free-Designs-XML-Tutorial/nextbutton.gif‘) no-repeat 0 0;
width:127px;
height:42px;
text-align:center;
font: bold 1.0em Arial,Helvetica,sans-serif;
display:block;
margin:0 5px;
padding-top:6px;
color:#333;
}
.showpageupPageWord a:hover { float:left;
background:url(‘http://i410.photobucket.com/albums/pp181/JohnSmithamazon/Blogger-Templates-Free-Designs-XML-Tutorial/provup.png‘) no-repeat 0 0;
width:127px;
height:42px;
text-align:center;
font: bold 1.0em Arial,Helvetica,sans-serif;
display:block;
margin:0 5px;
padding-top:6px;
color:#FFF;
}
.showpagedownPageWord a { float:left;
background:url(‘http://i410.photobucket.com/albums/pp181/JohnSmithamazon/Blogger-Templates-Free-Designs-XML-Tutorial/backbutton.gif‘) no-repeat 0 0;
width:127px;
height:42px;
text-align:center;
font: bold 1.0em Arial,Helvetica,sans-serif;
display:block;
margin:0 5px;
padding-top:6px;
color:#333;
}
.showpagedownPageWord a:hover { float:left;
background:url(‘http://i410.photobucket.com/albums/pp181/JohnSmithamazon/Blogger-Templates-Free-Designs-XML-Tutorial/nextup.png‘) no-repeat 0 0;
width:127px;
height:42px;
text-align:center;
font: bold 1.0em Arial,Helvetica,sans-serif;
display:block;
margin:0 5px;
padding-top:6px;
color:#FFF;
}
.pagenextprov {
text-align: center;
}
</style>
<div class='pagenextprov'>
<script type="text/javascript">
function showpageCount(json) {
var thisUrl = location.href;
var htmlMap = new Array();
var isFirstPage = thisUrl.substring(thisUrl.length-14,thisUrl.length)==".blogspot.com/";
var isLablePage = thisUrl.indexOf("/search/label/")!=-1;
var isPage = thisUrl.indexOf("/search?updated")!=-1;
var thisLable = isLablePage ? thisUrl.substr(thisUrl.indexOf("/search/label/")+14,thisUrl.length) : "";
thisLable = thisLable.indexOf("?")!=-1 ? thisLable.substr(0,thisLable.indexOf("?")) : thisLable;
var thisNum = 1;
var postNum=1;
var itemCount = 0;
var fFlag = 0;
var eFlag = 0;
var html= '';
var upPageHtml ='';
var downPageHtml ='';
var pageCount=5;
var displayPageNum=2;
var firstPageWord = 'First';
var endPageWord = 'last';
var upPageWord ='Back';
var downPageWord ='Next';

var labelHtml = '<span class="showpageNum"><a href="/search/label/'+thisLable+'?&amp;max-results='+pageCount+'">';
for(var i=0, post; post = json.feed.entry[i]; i++) {
var timestamp = post.published.$t.substr(0,10);
var title = post.title.$t;
if(isLablePage){
if(title!=''){
if(post.category){
for(var c=0, post_category; post_category = post.category[c]; c++) {
if(encodeURIComponent(post_category.term)==thisLable){
if(itemCount==0 || (itemCount % pageCount ==(pageCount-1))){
if(thisUrl.indexOf(timestamp)!=-1 ){
thisNum = postNum;
}
postNum++;
htmlMap[htmlMap.length] = '/search/label/'+thisLable+'?updated-max='+timestamp+'T00%3A00%3A00%2B08%3A00&amp;max-results='+pageCount;
}
}
}
}//end if(post.category){

itemCount++;
}
}else{
if(title!=''){
if(itemCount==0 || (itemCount % pageCount ==(pageCount-1))){
if(thisUrl.indexOf(timestamp)!=-1 ){
thisNum = postNum;
}
if(title!='') postNum++;
htmlMap[htmlMap.length] = '/search?updated-max='+timestamp+'T00%3A00%3A00%2B08%3A00&amp;max-results='+pageCount;
}
}
itemCount++;
}
}
for(var p =0;p< htmlMap.length;p++){
if(p>=(thisNum-displayPageNum-1) &amp;&amp; p<(thisNum+displayPageNum)){
if(fFlag ==0 &amp;&amp; p == thisNum-2){
if(thisNum==2){
if(isLablePage){
upPageHtml = labelHtml + upPageWord +'</a></span>';
}else{
upPageHtml = '<span class="showpageupPageWord"><a href="/">'+ upPageWord +'</a></span>';
}
}else{
upPageHtml = '<span class="showpageupPageWord"><a href="'+htmlMap[p]+'">'+ upPageWord +'</a></span>';
}
fFlag++;
}
if(p==(thisNum-1)){
html += ' <span class="showpagePoint"><u>'+thisNum+'</u></span>';
}else{
if(p==0){
if(isLablePage){
html = labelHtml+'1</a></span>';
}else{
html += '<span class="showpageNum"><a href="/">1</a></span>';
}
}else{
html += '<span class="showpageNum"><a href="'+htmlMap[p]+'">'+ (p+1) +' </a></span>';
}
}
if(eFlag ==0 &amp;&amp; p == thisNum){
downPageHtml = '<span class="showpagedownPageWord"> <a href="'+htmlMap[p]+'">'+ downPageWord +'</a></span>';
eFlag++;
}
}//end  if(p>=(thisNum-displayPageNum-1) &amp;&amp; p<(thisNum+displayPageNum)){
}//end for(var p =0;p< htmlMap.length;p++){
if(thisNum>1){
if(!isLablePage){
html = '<span class="showpage"></span>'+upPageHtml+' '+html +' ';
}
}
html = '<div class="showpageArea"><span  class="showpage"> Total '+(postNum-1)+': </span>'+html;

if(thisNum<(postNum-1)){
html += downPageHtml;

}
if(postNum==1) postNum++;
html += '</div>';
if(isPage || isFirstPage || isLablePage){
var pageArea = document.getElementsByName("pageArea");
var blogPager = document.getElementById("blog-pager");

if(postNum <= 2){
html ='';
}

for(var p =0;p< pageArea.length;p++){
pageArea[p].innerHTML = html;
}
if(pageArea&amp;&amp;pageArea.length>0){
html ='';
}
if(blogPager){
blogPager.innerHTML = html;
}
}
}
</script>
<script src="/feeds/posts/summary?alt=json-in-script&amp;callback=showpageCount&amp;max-results=99999" type="text/javascript"></script>
</div>
 Sau khi dán xong bạn lưu lại vào kéo tiện ích này nằm phía dưới cùng của các bài đăng thì mới có hiệu lực.
Ngoài ra còn các mẫu khác mời bạn xem thêm TẠI ĐÂY

 Nguồn: http://dunghennessy.blogspot.com.au/2011/04/cac-mau-phan-trang-cho-blog.html

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