60 lines
2.5 KiB
JavaScript
60 lines
2.5 KiB
JavaScript
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<!--
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var ETNGpager = function( srcName, dstName, cntPP, cntPS )
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{
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this.srcName = srcName;
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this.dstName = dstName;
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this.curP = 1;//默认当前页为第一页
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this.cntPP = cntPP || 2;//默认每页两条纪录
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this.cntPS = cntPS || 3;//默认每页显示5个分页上下文
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this.items = [];
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this.showPNP = true;/*显示上下页链接*/
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this.showType = true;/*滑动分页*/
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this.result = {pagedata:[],pagebar:'',limit:[0,0],report:''};
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this.parse();/*总纪录数*/
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}
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ETNGpager.prototype.page = function (){
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this.cntP = Math.ceil(this.cntR/this.cntPP);/*总页数*/
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this.cntS = Math.ceil(this.cntP/this.cntPS);/*总段数*/
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this.curS = Math.ceil(this.curP/this.cntPS);/*当前段*/
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this.preP = this.curP -1;/*上一页*/
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this.nextP = this.curP +1;/*下一页*/
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this.preS = this.curS -1;/*上一段*/
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this.nextS = this.curS +1;/*下一段*/
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this.startR = (this.curP -1)*this.cntPP + 1;/*起始纪录*/
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this.endR = (this.curP*this.cntPP >this.cntR)?this.cntR:this.curP*this.cntPP;/*结束纪录*/
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this.result['pagedata']=[];
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if(this.showType){
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this.perSide = Math.floor(this.cntPS/2);
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this.startP = (this.curP > this.perSide)?(this.curP - this.perSide):1;
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this.endP = (this.startP + this.cntPS)>this.cntP?this.cntP:(this.startP + this.cntPS);
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}else{
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this.startP = (this.curS-1)*this.cntPS+1;
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this.endP = (this.curS*this.cntPS>this.cntP)?this.cntP:(this.curS*this.cntPS);
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}
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for(var i = this.startP;i<=this.endP;i++){
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this.result['pagedata'].push((i==this.curP)?'<a href="#" class="curPage">'+i+'</a>':'<a href="#" onclick="page('+i+')">'+i+'</a>');
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}
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if(this.showPNP){
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if(this.curP>1)this.result['pagedata'].unshift('<a href="#" onclick="page('+(this.curP-1)+')">上一页</a>');
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if(this.curP<this.cntP)this.result['pagedata'].push('<a href="#" onclick="page('+(this.curP+1)+')">下一页</a>');
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}
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this.result['pagebar'] = this.result['pagedata'].join(' ');
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this.result['limit'] = [this.startR,this.endR];
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this.result['report'] ='<a class="allpage"><b>'+this.cntR+'</b></a> ' ;
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}
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ETNGpager.prototype.parse = function (){
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var obj = document.getElementById(this.srcName);
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for(var i = 0;i<obj.childNodes.length;i++){
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if(obj.childNodes[i].nodeType!=3)this.items[this.items.length]=obj.childNodes[i].innerHTML;
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}
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this.cntR = this.items.length;
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return this.items.length;
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}
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ETNGpager.prototype.create=function(){
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this.page();
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document.getElementById(this.dstName).innerHTML='<li>'+this.items.slice(this.startR-1,this.endR).join('</li><li>')+'</li>';
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document.getElementById(this.dstName).innerHTML+='<div class="pagelist">'+this.result['report']+this.result['pagebar']+'</div>';
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}
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//-->
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