Membuat Navigasi Halaman Bernomor/Paging

Kali ini Om Kempul akan membahas tentang bagaimana Cara Membuat Navigasi Halaman Bernomor/Paging, tapi sebelumnya saya akan jelaskan dulu paging itu apa? Paging adalah salah satu teknik menampilkan data perhalaman dengan n jumlah data. Keuntungannya, biar komputernya gak hang kalau nampilin 200 data atau lebih dalam satu waktu ! kan berbeda tuh kalau nampilin 10 atau 20 data per halaman ketimbang 200 atau lebih perhalaman. Masih belum da gambaran? Lihat demonya berikut, Pagingnya terletak di paling bawah. Klik Preview

1. Login ke blog anda
   
   
2. Klik 'Layout/Tata Letak'
   
   
3. Klik 'Tambah Widget'
   
   
4. Pilih 'HTML/Java Script'
   
   
5. Masukkan kode HTML di bawah ini
   
   
   
   
   

   <style>
   .showpageArea {padding: 0 2px;margin-top:10px;margin-bottom:10px;
   }
   .showpageArea a {border: 1px solid #505050;
   color: #000000;font-weight:normal;
   padding: 3px 6px !important;
   padding: 1px 4px ;margin:0px 4px;
   text-decoration: none;
   }
   .showpageArea a:hover {
   font-size:11px;
   border: 1px solid #333;
   color: #000000;
   background-color: #FFFFFF;
   }
   
   .showpageNum a {border: 1px solid #505050;
   color: #000000;font-weight:normal;
   padding: 3px 6px !important;
   padding: 1px 4px ;margin:0px 4px;
   text-decoration: none;
   
   }
   .showpageNum a:hover {
   font-size:11px;
   border: 1px solid #333;
   color: #000000;
   background-color: #FFFFFF;
   
   }
   .showpagePoint {font-size:11px;
   padding: 2px 4px 2px 4px;
   margin: 2px;
   font-weight: bold;
   border: 1px solid #333;
   color: #fff;
   background-color: #000000;
   
   
   }
   
   .showpage a:hover {font-size:11px;
   border: 1px solid #333;
   color: #000000;
   background-color: #FFFFFF;
   
   }
   .showpageNum a:link,.showpage a:link {
   font-size:11px;
   padding: 2px 4px 2px 4px;
   margin: 2px;
   text-decoration: none;
   border: 1px solid #0066cc;
   color: #0066cc;
   background-color: #FFFFFF;}
   
   .showpageNum a:hover {font-size:11px;
   border: 1px solid #333;
   color: #000000;
   background-color: #FFFFFF;
   }
   </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=10;
   var displayPageNum=5;
   var firstPageWord = 'Home';
   var endPageWord = 'Last';
   var upPageWord ='Previous';
   var downPageWord ='Next';
   
   
   
   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 += ' <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 style="font-size:11px;padding: 2px 4px 2px 4px;margin: 2px 2px 2px 2px;color: #000000;border: 1px solid #333; background-color: #FFFFFF;" class="showpage">Page '+thisNum+' for '+(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>

6.  Klik Simpan dan lihat hasilnya.
   
   
7. Selamat mencoba, Good Luck . . . . . .