multipagenum.js

java swing源码 欢迎下载 有问题请联系 我一定负责到底

	var docpage = 25;// 
	var curpage = 1;
	var maxdoc = 0;
	var maxpage = 0;
	var docs = document.getElementById("articleTbl").rows;
	var turnpage = document.getElementsByName("turnpage");
	

	function initshow() {
		maxdoc = docs.length;
		updatemaxpage();
		initturnpage();
		if (maxdoc>0)
			showpage(1);
	}
	
	function initselectpage() {
		var temphtml = "";
		for (var i=0; i<maxpage; i++){
			temphtml += "<option value=\"" + (i+1) + "\">" + (i+1) + "</option>";
		}
		selectpage.innerHTML = "第 <select id='_selectpage' onchange='showpage(this.options[this.selectedIndex].value)'>" + temphtml + "</select> 页 / 共 " + maxpage + " 页";
		selectpage = document.getElementById("_selectpage");
	}
	
	function updateselectpage() {
		if (curpage>0) {
			selectpage.options[curpage-1].selected = true;
		}
	}
	
	function initturnpage() {
		var firststr = "";
		var prevstr = "";
		var nextstr = "";
		var laststr = "";
		var morestr ="";
		firststr = "<span onclick=\"firstpage();\" class=\"firstlist\" onmouseover=this.className=\"firstlist_hover\" onmouseout=this.className=\"firstlist\"></span>";
		prevstr = "<span onclick=\"prevpage();\" class=\"previewlist\" onmouseover=this.className=\"previewlist_hover\" onmouseout=this.className=\"previewlist\"></span>";
		morestr=initNeedpage();
		nextstr = "<span onclick=\"nextpage();\" class=\"nextlist\" onmouseover=this.className=\"nextlist_hover\" onmouseout=this.className=\"nextlist\"></span>";
		laststr = "<span onclick=\"lastpage();\" class=\"lastlist\" onmouseover=this.className=\"lastlist_hover\" onmouseout=this.className=\"lastlist\"></span>";
		for(var eproi=0;eproi<turnpage.length;eproi++)
		{
		turnpage(eproi).innerHTML = firststr + " &nbsp; " + prevstr +morestr+ " &nbsp; " + nextstr + " &nbsp; " + laststr;
		}
	}
	function showNum(numIn)
	{var nowNum=numIn;
	 showpage(nowNum);
	 
	}
	 
	function initNeedpage()
	{var nowPage=curpage;
	 var moreNum="&nbsp;&nbsp;&nbsp;&nbsp;";
	 var beginPage,endPage; 
	 beginPage=nowPage-5;
	 endPage=nowPage+5;
	 if (beginPage<1)
		{beginPage=1;}
	 if(endPage>maxpage)
	 {endPage=maxpage;}
	// alert(beginPage+"--"+endPage);
	 for(var i=beginPage;i<endPage+1;i++)
	 {if(i==nowPage){
		 moreNum+="<span onclick=\"showNum("+i+");\" class=\"tonum\"><font color=red>"+i+"</span></font>&nbsp;";}
	  else{
	 			moreNum+="<span onclick=\"showNum("+i+");\" class=\"tonum\"><font color=navy>"+i+"</font></span>&nbsp;";
	 			}
	 }
	 return moreNum;
	}
	
	function updatemaxpage() {
		maxpage = Math.ceil(maxdoc/docpage);
	}
	
	function setcurpage(cp){	
		curpage = cp;		
		if (curpage<1) {
			curpage = 1;
		}
		if (curpage>maxpage) {
			curpage = maxpage;
		}
	}
	
	function hidepage() {
		for (var i=0; i<maxdoc; i++){
			docs[i].style.display = "none";
		}
	}
	
	function firstpage() {
		showpage(1);
	}
	
	function prevpage() {
		
		showpage(curpage-1);
	}
	
	function nextpage() {
		showpage(curpage+1);
	}
	
	function lastpage() {
		showpage(maxpage);
	}
	
	function showpage(pageno) {
		if (pageno<1) {
			pageno = 1;
		}
		if (pageno>maxpage) {
			pageno = maxpage;
		}
		
		hidepage();
		setcurpage(pageno);	
		if (pageno>0) {
			var startnum = docpage * (curpage - 1);
			for (var i=0; (i<docpage)&&((startnum + i)<maxdoc); i++){
				docs[startnum + i].style.display = "";
			}
		}
		
		initturnpage();
	}