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Detailed explanation of how to implement imitation static paging in JavaScript

巴扎黑
巴扎黑Original
2017-09-06 10:37:001513browse

本文实例讲述了JavaScript仿静态分页实现方法。分享给大家供大家参考。具体如下：

这里基于JavaScript模仿网页不刷新静态分页的功能，实际用的时候估计要做些改动，因为目前需要分页的内容是作为一个字符串变量存在JS里，使用时这里的数据要变为数据库中读取的数据，不知道它的实用性有多高，需要的朋友慢慢调整一下。

运行效果如下图所示：

具体代码如下：

<HTML>
<HEAD>
<TITLE> 静态分页</TITLE>
<style>
* {
font-size:10.2pt;
font-family:tahoma;
line-height:150%;
}
.pContent
{
border:1px solid red;
background-color:#FFD2D3;
width:500px;
word-break:break-all;
margin:10px 0px 10px;
padding:10px;
}
</style>
</HEAD>
<BODY>
header
<p id="pPagenation"></p>
<p id="pContent"></p>
footer
<SCRIPT LANGUAGE="JavaScript">
<!--
s="<p>jquery SimpleModal Ajax弹出对话框插件，拥有简洁风格的网页弹出层插件，风格设计比较简约大方，可弹出图片、弹出含有HTML代码的p对话框等，类似的效果已有很多，请根据自己的需要采用吧。。jquery SimpleModal Ajax弹出对话框插件，拥有简洁风格的网页弹出层插件，风格设计比较简约大方，可弹出图片、弹出含有HTML代码的p对话框等，类似的效果已有很多，请根据自己的需要采用吧。</p>";
function DHTMLpagenation(content) { with (this)
{
this.content=content;
this.contentLength=content.length;
this.pageSizeCount;
this.perpageLength=100;
this.currentPage=1;
this.regularExp=/d+/;
this.pDisplayContent;
this.contentStyle=null;
this.strDisplayContent="";
this.pDisplayPagenation;
this.strDisplayPagenation="";
arguments.length==2?perpageLength=arguments[1]:"";
try {
pExecuteTime=document.createElement("p");
document.body.appendChild(pExecuteTime);
}
catch(e)
{
}
if(document.getElementById("pContent"))
{
pDisplayContent=document.getElementById("pContent");
}
else
{
try
{
pDisplayContent=document.createElement("p");
pDisplayContent.id="pContent";
document.body.appendChild(pDisplayContent);
}
catch(e)
{
return false;
}
}
if(document.getElementById("pPagenation"))
{
pDisplayPagenation=document.getElementById("pPagenation");
}
else
{
try
{
pDisplayPagenation=document.createElement("p");
pDisplayPagenation.id="pPagenation";
document.body.appendChild(pDisplayPagenation);
}
catch(e)
{
return false;
}
}
DHTMLpagenation.initialize();
return this;
}};
DHTMLpagenation.initialize=function() { with (this)
{
pDisplayContent.className=contentStyle!=null?contentStyle:"pContent";
if(contentLength<=perpageLength)
{
strDisplayContent=content;
pDisplayContent.innerHTML=strDisplayContent;
return null;
}
pageSizeCount=Math.ceil((contentLength/perpageLength));
DHTMLpagenation.goto(currentPage);
DHTMLpagenation.displayContent();
}};
DHTMLpagenation.displayPage=function() { with (this)
{
strDisplayPagenation="分页：";
if(currentPage&¤tPage!=1)
strDisplayPagenation+="<a href="javascript:void(0)" onclick="DHTMLpagenation.previous()">上一页</a>  ";
else
strDisplayPagenation+="上一页  ";
for(var i=1;i<=pageSizeCount;i++)
{
if(i!=currentPage)
strDisplayPagenation+="<a href="javascript:void(0)" onclick="DHTMLpagenation.goto("+i+");">"+i+"</a>  ";
else
strDisplayPagenation+=i+"  ";
}
if(currentPage&¤tPage!=pageSizeCount)
strDisplayPagenation+="<a href="javascript:void(0)" onclick="DHTMLpagenation.next()">下一页</a>  ";
else
strDisplayPagenation+="下一页  ";
strDisplayPagenation+="共 " + pageSizeCount + " 页，每页" + perpageLength + " 字符，调整字符数：<input type="text" value=""+perpageLength+"" id="ctlPerpageLength"><input type="button" value="确定" onclick="DHTMLpagenation.change(document.getElementById("ctlPerpageLength").value);">";
pDisplayPagenation.innerHTML=strDisplayPagenation;
}};
DHTMLpagenation.previous=function() { with(this)
{
DHTMLpagenation.goto(currentPage-1);
}};
DHTMLpagenation.next=function() { with(this)
{
DHTMLpagenation.goto(currentPage+1);
}};
DHTMLpagenation.goto=function(iCurrentPage) { with (this)
{
startime=new Date();
if(regularExp.test(iCurrentPage))
{
currentPage=iCurrentPage;
strDisplayContent=content.substr((currentPage-1)*perpageLength,perpageLength);
}
else
{
alert("page parameter error!");
}
DHTMLpagenation.displayPage();
DHTMLpagenation.displayContent();
}};
DHTMLpagenation.displayContent=function() { with (this)
{
pDisplayContent.innerHTML=strDisplayContent;
}};
DHTMLpagenation.change=function(iPerpageLength) { with(this)
{
if(regularExp.test(iPerpageLength))
{
DHTMLpagenation.perpageLength=iPerpageLength;
DHTMLpagenation.currentPage=1;
DHTMLpagenation.initialize();
}
else
{
alert("请输入数字");
}
}};
DHTMLpagenation(s,100);
//-->
</SCRIPT>
</BODY>
</HTML>

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