对table和ul实现js分页示例分享(2)

<script type="text/javascript">
$(document).ready( function() {
 var totalPage=$("ul li").length;
 var total = Math.ceil($("ul li").length / 5);
 var current = 1;
 //var index =4;
 if(totalPage>5){
  $("ul li:gt(4)").hide();
  $("#btnPrev").attr("class", "tabs-scroller-left-disabled").attr("disabled", "disabled").click( function() {
   debugger;
   $("#btnNext").attr("class", "tabs-scroller-right");
   $("#btnNext").removeAttr("disabled");
   current -= 1;
   var tt=current;
   $("ul li").show();
   var indexStart = (current - 1);
   var indexEnd = indexStart + 4;
   $("li:lt(" + indexStart + "), li:gt(" + indexEnd + ")", $("ul")).hide();
   if (current == 1){
    $(this).attr("class", "tabs-scroller-left-disabled");
    $(this).attr("disabled", "disabled");
   }
  });
  $("#btnNext").click( function() {
   debugger;
   $("#btnPrev").attr("class", "tabs-scroller-left");
   $("#btnPrev").removeAttr("disabled");
   current += 1;
   $("ul li").show();
   var indexStart = (current - 1);
   var indexEnd = current + 4  > $("ul li").length - 1 ? $("ul li").length - 1 : current +3;
   $("li:lt(" + indexStart + "), li:gt(" + indexEnd +")", $("ul")).hide();
   if (current+4 >= totalPage){
    $(this).attr("class", "tabs-scroller-right-disabled");
    $(this).attr("disabled", "disabled");
   }

  });
 }else{
  alert(1);
  $("#btnPrev").attr("class", "tabs-scroller-left-disabled");
  $("#btnNext").attr("class", "tabs-scroller-right-disabled");
 }
});
</script>

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