page

!
function(t,s){
 s={};
 
 function pagesizeshow(startRow,endRow,counts){
   var pagesizeshow="";
   pagesizeshow+='<div class="row">'
   pagesizeshow+='<div class="col-xs-6">'
   pagesizeshow+='<div aria-live="polite" style="line-height: 75px;" role="status" id="datagrid_info" class="dataTables_info">'
   pagesizeshow+='显示第'+startRow+'到第'+endRow+'条记录，共'+counts+'条记录'
   pagesizeshow+='</div>'
   pagesizeshow+='</div>'
   return pagesizeshow;
 }
 
 
 /*
  * counts 总页数
  * linePages 每页多少条
  * currentPage 当前页
 */
 function page(s,$this){
  var pagesNum="";
  var currentPage=isnull(s.currentPage)==""?1:parseInt(s.currentPage);
  if(isnull(s.pages)==""){
    var counts=isnull(s.counts)!=""?parseInt(s.counts):0;
    var linePages=isnull(s.linePages)==""?20:parseInt(s.linePages);
    var showCounts=s.showCounts?true:false;
    pagesNum=counts%linePages==0?counts/linePages:parseInt(counts/linePages)+1; //共多少页
    //显示条数信息
   var startRow=(parseInt(currentPage)-1)* parseInt(linePages)+1;
   var endRow=currentPage*linePages>counts?counts:currentPage*linePages
  }else{
    pagesNum=parseInt(s.pages);
    var showCounts=false;
  }
   var pageList='';
   if(currentPage>pagesNum){
     currentPage=pagesNum;
   }
   //获取上一页 下一页 值
   //上一页
   var prepage;     //上一页
   if(pagesNum>1){
     if(currentPage==1){
       prepage='<li class="previous disabled"><a href="javascript:void(0);" data-page="'+(currentPage-1)+'">&lt;</a></li>';
     }else{
       prepage='<li class="paginate_button previous" aria-controls="datagrid" tabindex="0" id="datagrid_previous"><a href="javascript:void(0)" data-page="'+(currentPage-1)+'">&lt;</a></li>';
     }
   }
   //下一页
   var nextpage;
   if(pagesNum>1){
     if(currentPage==pagesNum){
       nextpage='<li class="paginate_button next disabled" aria-controls="datagrid" tabindex="0" id="datagrid_next"><a href="javascript:void(0)" data-page="'+(currentPage+1)+'">&gt;</a></li>';
     }else{
       nextpage='<li class="paginate_button next" aria-controls="datagrid" tabindex="0" id="datagrid_next"><a href="javascript:void(0)" data-page="'+(currentPage+1)+'">&gt;</a></li>';
     }
   }
   //设置分页
  if(pagesNum>1){
    var shenyuh='<li class="paginate_button disabled" aria-controls="datagrid" tabindex="0" id="datagrid_ellipsis"><a href="javascript:void(0)">…</a></li>';
    var firstpage='<li><a href="javascript:void(0)" data-page="1">1</a></li>';
    var lastpage='<li><a href="javascript:void(0)" data-page="'+pagesNum+'">'+pagesNum+'</a></li>';  //末页
    if(pagesNum<=11){
        var yepage='';
        for(var i=1; i<=pagesNum;i++){
          if(i==currentPage){
            yepage+='<li class="active"><a href="javascript:void(0)" data-page="'+i+'">'+i+'</a></li>';//"<span class='current'>"+i+"</span>"
          }else{
            yepage+='<li><a href="javascript:void(0)" data-page="'+i+'">'+i+'</a></li>';//"<a href='javascript:void(0)'>"+i+"</a>"
          }
        }//for结束
        pageList+=prepage+yepage+nextpage;
    }  //pagesNum<=11结束
    if(pagesNum>11){
      if(currentPage<=6){
        var yepage='';
        for(var i=1; i<=9;i++){   
          if(i==currentPage){
            yepage+='<li class="active"><a href="javascript:void(0)" data-page="'+i+'">'+i+'</a></li>'
          }else{
            yepage+='<li><a href="javascript:void(0)" data-page="'+i+'">'+i+'</a></li>';
          }
      }
       pageList+=prepage+yepage+shenyuh+lastpage+nextpage;
    }
    if(currentPage>=pagesNum-6){
      var yepage='';
      for(var i=pagesNum-8; i<=pagesNum;i++){
          if(i==currentPage){
            yepage+='<li class="active"><a href="javascript:void(0)" data-page="'+i+'">'+i+'</a></li>';
          }else{
            yepage+='<li><a href="javascript:void(0)" data-page="'+i+'">'+i+'</a></li>';
          }
       }
        pageList+=prepage+firstpage+shenyuh+yepage+nextpage;
    }
    if( currentPage>6 && currentPage<pagesNum-6){
      $(".main_page").append(prepage+firstpage+shenyuh);
      var yepage2='';
      for(var i=currentPage-3; i<=currentPage-1;i++){
        yepage2+='<li><a href="javascript:void(0)" data-page="'+i+'">'+i+'</a></li>'
      }//for i结束
      var currentpages='<li class="active"><a href="javascript:void(0)" data-page="'+currentPage+'">'+currentPage+'</a></li>'
      var yepage1='';
      for(var j=currentPage+1; j<=currentPage+3;j++){
       yepage1+='<li><a href="javascript:void(0)" data-page="'+j+'">'+j+'</a></li>';
      }//for i结束
      pageList+=prepage+firstpage+shenyuh+yepage2+currentpages+yepage1+shenyuh+lastpage+nextpage;
    }
  } //pagesNum>13结束
} //pagesNum>1结束
//设置分页结束
/* page列表 */
 
  var pageMain='';
  pageMain+='<div class="col-xs-6 fr">';
  pageMain+='<div id="page_num" class="dataTables_paginate paging_simple_numbers tr">';
  pageMain+='<ul class="pagination">';
  pageMain+=pageList;
  pageMain+='</ul>';
  pageMain+='</div>';
  pageMain+='</div>';
  showCounts && pagesNum>1?$this.html(pagesizeshow(startRow,endRow,counts)+pageMain):$this.html(pageMain)
  //$this.html(pagesizeshow(startRow,endRow,counts)+pageMain)
 }
/*去除""或undefind null*/
function isnull(str) {
    if (str == null || str == undefined || str == "undefined") {
        return "";
    }
    else {
        return str;
    }
}
t.fn.pages=function(s){
  var $this=$(this);
  page(s,$this);
}
 


/*  
 *isLoding  :是否正在加载
 *shadeClose：是否关闭遮罩层
 *shade：遮罩层颜色透明度
 *shadeColor: 遮罩层颜色
 *loadType:   加载类型 有1、2、3三种
 */

t.isloading=function(s){
    var isLoad=isnull(s.isLoad)==""?"false":s.isLoad;
    var loadType=isnull(s.loadType)==""?3:s.loadType;
    //var shadeClose=s.shadeClose?true:false;
    var shade=isnull(s.shade)==""?0.1:s.shade;
    var shadeColor=isnull(s.shadeColor)==""?"#333":s.shadeColor;
    console.log("加载："+loadType)
        if (isLoad=="true") {
          layer.load(loadType-1, {
            shadeClose: false,
            shade: [shade,shadeColor] //0.1透明度的白色背景
          }); //0代表加载的风格，支持0-2
        }
}
t.closeload=function(){
 //console.log("close--"+y);
 layer.closeAll('loading');
}
}(jQuery, window, document)

/* 点击分页 */
jQuery.fn.extend({
    pageclick:function(s) {
    var $this=$(this);
    $this.delegate('.pagination li', 'click', function(){
        if(!$(this).hasClass("disabled") &&!$(this).hasClass("active")){
        var currentPages=parseInt($(this).find("a").attr("data-page"));
        //$(this).addClass("active").siblings(".pagination li").removeClass("active");
        s.callback(currentPages,$(this))
        }
    });
    }
});