var Paging=(function(){function Paging(elementName,options){this.elementName=elementName;this.options=options;options.nowPage=options.nowPage>=1?options.nowPage:1;options.pageNum=options.pageNum>0?options.pageNum:0;options.canJump=options.canJump||0;options.showOne=options.showOne||0;options.buttonNum=(options.buttonNum>=5?options.buttonNum:5)||7;this.nowPage=options.nowPage>options.pageNum?options.pageNum:options.nowPage;this.pageNum=options.pageNum<0?0:options.pageNum;this.canJump=options.canJump;this.showOne=options.showOne;this.buttonNum=options.buttonNum;this.callback=options.callback;this.element=document.getElementById(elementName);this.init();}
    Paging.prototype.init=function(){this.createHtml();};Paging.prototype.createHtml=function(){var _this=this;var content=[];if(this.pageNum<=0){return '';}
        if(!this.showOne&&this.pageNum===1){this.element.innerHTML='';return '';}
        content.push("<ul>");content.push("<li class='xl-prevPage'>上一页</li>");if(this.pageNum<=this.buttonNum){for(var i=1;i<=this.pageNum;i++){if(this.nowPage!==i){content.push("<li>"+i+"</li>");}
        else{content.push("<li class='xl-active'>"+i+"</li>");}}}
        else if(this.nowPage<=Math.floor(this.buttonNum/2)){for(var i=1;i<=this.buttonNum-2;i++){if(this.nowPage!==i){content.push("<li>"+i+"</li>");}
        else{content.push("<li class='xl-active'>"+i+"</li>");}}
            content.push("<li class='xl-disabled'>...</li>");content.push("<li>"+this.pageNum+"</li>");}
        else if(this.pageNum-this.nowPage<=Math.floor(this.buttonNum/2)){content.push("<li>"+1+"</li>");content.push("<li class='xl-disabled'>...</li>");for(var i=this.pageNum-this.buttonNum+3;i<=this.pageNum;i++){if(this.nowPage!==i){content.push("<li>"+i+"</li>");}
        else{content.push("<li class='xl-active'>"+i+"</li>");}}}
        else{if(this.nowPage-Math.floor(this.buttonNum/2)<=0){for(var i=1;i<=Math.floor(this.buttonNum/2);i++){if(this.nowPage!==i){content.push("<li>"+i+"</li>");}
        else{content.push("<li class='xl-active'>"+i+"</li>");}}}
        else{content.push("<li>"+1+"</li>");content.push("<li class='xl-disabled'>...</li>");for(var i=this.nowPage-Math.floor(this.buttonNum/2)+(this.buttonNum%2==0?3:2);i<=this.nowPage;i++){if(this.nowPage!==i){content.push("<li>"+i+"</li>");}
        else{content.push("<li class='xl-active'>"+i+"</li>");}}}
            if(this.pageNum-this.nowPage<=0){for(var i=this.nowPage+1;i<=this.pageNum;i++){content.push("<li>"+i+"</li>");}}
            else{for(var i=this.nowPage+1;i<=this.nowPage+Math.floor(this.buttonNum/2)-2;i++){content.push("<li>"+i+"</li>");}
                content.push("<li class='xl-disabled'>...</li>");content.push("<li>"+this.pageNum+"</li>");}}
        content.push("<li class='xl-nextPage'>下一页</li>");if(this.canJump){content.push("<li class='xl-jumpText xl-disabled'>跳转到<input type='number' id='xlJumpNum'>页</li>");content.push("<li class='xl-jumpButton'>确定</li>");}
        content.push("</ul>");this.element.innerHTML=content.join('');setTimeout(function(){_this.disabled();_this.bindClickEvent();},20);};Paging.prototype.bindClickEvent=function(){var _this=this;var liList=this.element.children[0].children;var _loop_1=function(i){liList[i].removeEventListener('click',function(){_this.clickEvent(liList[i]);});};for(var i=0;i<liList.length;i++){_loop_1(i);}
        var _loop_2=function(i){liList[i].addEventListener('click',function(){_this.clickEvent(liList[i]);});};for(var i=0;i<liList.length;i++){_loop_2(i);}};Paging.prototype.clickEvent=function(li){var cla=li.className;var num=parseInt(li.innerHTML);var nowPage=this.nowPage;if(li.className.indexOf('xl-disabled')!==-1||cla==='xl-jumpText'){return '';}
        if(cla==='xl-prevPage'){if(nowPage>=1){this.nowPage-=1;}}
        else if(cla==='xl-nextPage'){if(nowPage<this.pageNum){this.nowPage+=1;}}
        else if(cla==='xl-jumpButton'){var el=document.getElementById('xlJumpNum');if(Number(el.value)>this.pageNum){this.nowPage=this.pageNum;}
        else if(Number(el.value)<=0){this.nowPage=1;}
        else{this.nowPage=Number(el.value);}}
        else{this.nowPage=num;}
        this.createHtml();if(this.callback){this.callback(this.nowPage);}};Paging.prototype.disabled=function(){var nowPage=this.nowPage;var pageNum=this.pageNum;var liList=this.element.children[0].children;if(nowPage===1){for(var i=0;i<liList.length;i++){if(liList[i].className.indexOf('xl-prevPage')!==-1){liList[i].setAttribute('class',liList[i].getAttribute('class').concat(' xl-disabled'));}}}
    else if(nowPage===pageNum){for(var i=0;i<liList.length;i++){if(liList[i].className.indexOf('xl-nextPage')!==-1){liList[i].setAttribute('class',liList[i].getAttribute('class').concat(' xl-disabled'));}}}};return Paging;}());