Detailed introduction on how to use javascript+xml to implement paging-XML/RSS Tutorial-php.cn

Detailed introduction on how to use javascript+xml to implement paging

黄舟

Release： 2017-03-06 16:38:01

Original

2886 people have browsed it

In web-based technology, paging is an old problem, but it is a problem that everyone talks about. With the increasing application of xml technology, it is also possible to apply xml to paging. Of course, online There are a lot of tutorials, but I looked at them all in confusion, so I decided to write one myself and share and correct them with everyone.
There are two files tmh.htm & tt.xml
The source code is as follows:
tmh.htm
_____________________________________________________

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="KeyWords" CONTENT="">
<META NAME="Description" CONTENT="">
<link rel="stylesheet" href="../website.CSS" type="text/css">
</HEAD>
<BODY>

<script language="javascript"> 
//****************变量相关定义**************
//*             author:海仔               *
//*         Email:rautinee@21cn.com      *
//*本程序可自由传播使用，但请务必保留此信息    *
//****************************************
var pagenum=4; //每页显示几条信息 
var page=0 ;
var contpage ;
var BodyText="";
var xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
var mode="member";
var toolBar;
xmlDoc.async="false" 
xmlDoc.load("tt.xml")
//***************这个地方是你根据实际取得的字段名称来改了
header="<TABLE border=1><tr><td>姓名</td><td>图标</td><td>IP地址</td><td>email</td><td></td><td>日期</td><td></td><td></td></tr>";

//检索的记录数
maxNum = xmlDoc.getElementsByTagName(mode).length
    //每条记录的列数
    column=xmlDoc.getElementsByTagName(mode).item(0).childNodes
    //每条记录的列数
    colNum=column.length
    //页数
    pagesNumber=Math.ceil(maxNum/pagenum)-1; 
    pagesNumber2=Math.ceil(maxNum/pagenum); 
//上一个页面
function UpPage(page)
{
    thePage="前一页";
    if(page+1>1) thePage="<A HREF=&#39;#&#39; onclick=&#39;Javascript:return UpPageGo()&#39;>前一页</A>";
    return thePage;
}
function NextPage(page)
{
    thePage="后一页";
    if(page<pagesNumber) thePage="<A HREF=&#39;#&#39; onclick=&#39;Javascript:return NextPageGo()&#39;>后一页</A>";
    return thePage;
}

function UpPageGo(){ 

if(page>0) page--; 
    getContent(); 
    BodyText=""; 

} 
//当前的页数
function currentPage()
{
    var cp;
    cp="当前是第 "+(page+1)+" 页";
    return cp;
}
//总共的页数
function allPage()
{
    var ap;
    ap=&#39;总共 &#39;+(pagesNumber+1)+&#39; 页&#39;;
    return ap
}
function NextPageGo()
{ 
if (page<pagesNumber) page++;

    getContent(); 
    BodyText="";
} 

//显示分页状态栏
function pageBar(page)
{
    var pb;
    pb=UpPage(page)+"  "+NextPage(page)+"  "+currentPage()+"  "+allPage()+selectPage();
    return pb;
}
function changePage(tpage)
{    

    page=tpage
    if(page>=0) page--; 
    if (page<pagesNumber) page++;
    getContent(); 
    BodyText="";
}
function selectPage()
{
    var sp;
    sp="<select name=&#39;hehe&#39; onChange=&#39;javascript:changePage(this.options[this.selectedIndex].value)&#39;>";
    //sp="<select name=&#39;hehe&#39; onChange=&#39;alert(this.options[this.selectedIndex].value)&#39;>";
    sp=sp+"<option value=&#39;&#39;></option>";
    for (t=0;t<=pagesNumber;t++)
    {
        sp=sp+"<option value=&#39;"+t+"&#39;>"+(t+1)+"</option>";
    }
    sp=sp+"</select>"
    return sp;
}

function getContent()
{

        if (!page) page=0;
        n=page*pagenum;
        endNum=(page+1)*pagenum;
        if (endNum>maxNum) endNum=maxNum;
        BodyText=header+BodyText;
        for (;n<endNum;n++)
        {
            
            BodyText=BodyText+"<TR>";
                for (m=0;m<=colNum-1;m++)
                {    
                    mName=column.item(m).tagName;
                    BodyText=BodyText+("<TD>"+xmlDoc.getElementsByTagName(mName).item(n).text+"</TD>");
                }
            BodyText=BodyText+"</TR>"
            mm="";
            }
            showhtml.innerHTML=BodyText+"</table>"+pageBar(page); 

BodyText=""
}
</script> 

<div id="showhtml"></div>
<script>
if (maxNum==0)
        {
            document.write("没有检索到合适的人才信息")
        }
    else
        {
            getContent()
        }
</script>

</BODY>
</HTML>

//下面是tt.xml的代码




<?xml version="1.0" encoding="GB2312"?>
<rautinee>

<member id=&#39;1&#39;> 
<name>海仔</name>
<loginName>rautinee</loginName>
<email>rautinee@btamail.net.cn</email></member>

<member id=&#39;2&#39;>
<name>刚强</name>
<loginName>hehe</loginName>
<email>rautinee@chinamanagers.com</email></member>

<member id=&#39;3&#39;>
<name>金华刚</name>
<loginName>nature_it</loginName>
<email>rautinee_sea@hotmail.com</email></member>

<member id=&#39;4&#39;>
<name>的简强</name>
<loginName>tank</loginName>
<email>tank@163.com</email></member>

<member id=&#39;7&#39;>
<name>合资</name>
<loginName>kaka</loginName>
<email>kaka@eyou.com</email></member>

<member id=&#39;6&#39;>
<name>加个人</name>
<loginName>apple</loginName>
<email>apple@163.com</email></member>

<member id=&#39;8&#39;>
<name>null</name>
<loginName>sunny</loginName>
<email>rautinee@eyou.com</email></member>

<member id=&#39;10&#39;>
<name>宝贝</name>
<loginName>index</loginName>
<email>rautinee@21cn.com</email></member>

<member id=&#39;12&#39;>
<name>null</name>
<loginName>login</loginName>
<email>webmaster@chinamanagers.com</email></member>

<member id=&#39;13&#39;>
<name>jiang</name>
<loginName>123</loginName>
<email>japing@chianmanagers.com</email></member>

<member id=&#39;14&#39;>
<name>null</name>
<loginName>world</loginName>
<email>rautinee@21cn.com</email></member>

<member id=&#39;15&#39;>
<name>null</name>
<loginName>swallow</loginName>
<email>swallow@chinamanagers.com</email></member>

<member id=&#39;16&#39;>
<name>魏格</name>
<loginName>hotmail</loginName>
<email>rautinee_sea@hotmail.com</email></member>

<member id=&#39;17&#39;>
<name>null</name>
<loginName>wrong</loginName>
<email>wrong@chinamanagers.com</email></member>

<member id=&#39;18&#39;>
<name>null</name>
<loginName>leah</loginName>
<email>leah@chinamanagers.com</email></member>

<member id=&#39;19&#39;>
<name>null</name>
<loginName>ttth</loginName>
<email>rautinee@21cn.com</email></member>

</rautinee>

Copy after login

Currently it seems that it only supports>IE5.0

The above is a detailed introduction on how to use javascript+xml to implement paging. For more related content, please pay attention to the PHP Chinese website (www.php.cn)!