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Xml_javascript分页

程序员文章站 2022-03-19 21:11:55
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Xml_javascript分页
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>龙的传人--Xml_javascript分页</title>
    
</head>
<body onload="getxmlDoc()">
<script language="Javascript" type="text/javascript">
var xmlDoc;
var nodeIndex;
var pageIndex;
var pageSize=13;
var lastPage;   //最后一页
var overSize    //最后一页的记录数
function getxmlDoc()
{
  xmlDoc=new ActiveXObject("Microsoft.XMLDOM");
    var currNode;
    xmlDoc.async=false;
    xmlDoc.load("myTest.xml");
    if(xmlDoc.parseError.errorCode!=0)
    {
        var myErr=xmlDoc.parseError;
        alert("出错!"+myErr.reason);
    }
    getRecordCount();
    onFirst();
    
}
function getRecordCount()
{
    var personNode= xmlDoc.selectNodes("/Root")[0];
    var recordCount=personNode.childNodes.length;
    var pageCount=Math.ceil(recordCount/pageSize);
    document.getElementById("txtPageCount").value=pageCount;
    document.getElementById("txtRecordCount").value=recordCount;
    overSize=recordCount%pageSize;
    if(overSize>0)
    {
        lastPage=recordCount-overSize;
    }
    else
    {
        lastPage=recordCount-pageSize;
    }
    
}
function getPageRecord(pageIndex,pageSize)
{
     clearRow("myTable");    
    var personNode= xmlDoc.selectNodes("/Root")[0];
    var currNode=personNode.childNodes[pageIndex];
    for(var i=pageIndex;i<pageIndex+pageSize;i++)
    {
        var arr=new Array();
        var nNode= xmlDoc.selectSingleNode("Root/Person["+i+"]") ;
        arr[0]=nNode.getAttribute("Id");    //序号
        arr[1]=nNode.childNodes[0].text;    //工号
        arr[2]=nNode.childNodes[1].text;    //姓名
        arr[3]=nNode.childNodes[2].text;    //性别
        arr[4]=nNode.childNodes[3].text;    //部门
        arr[5]=nNode.childNodes[4].text;    //职位
        arr[6]=nNode.childNodes[5].text;    //地址
        
//        arr[0]=personNode.childNodes[i].getAttribute("Id");    //序号
//        arr[1]=personNode.childNodes[i].childNodes[0].text;    //工号
//        arr[2]=personNode.childNodes[i].childNodes[1].text;    //姓名
//        arr[3]=personNode.childNodes[i].childNodes[2].text;    //性别
//        arr[4]=personNode.childNodes[i].childNodes[3].text;    //部门
//        arr[5]=personNode.childNodes[i].childNodes[4].text;    //职位
//        arr[6]=personNode.childNodes[i].childNodes[5].text;    //地址
        addRow(i+1,"myTable",arr);
    }    
}
function onFirst()
{
    pageIndex=0;
    var currIndex=pageIndex;
    getPageRecord(currIndex,pageSize) 
    pageIndex=currIndex ;
    document.getElementById("txtCurrPage").value=(pageIndex / pageSize) + 1;
    document.getElementById("txtCurrPageRecord").value=pageSize;
}
function onPRev()
{
    var currIndex=pageIndex;
    currIndex-=pageSize;
    getPageRecord(currIndex,pageSize)
    pageIndex=currIndex;
    document.getElementById("txtCurrPage").value=(pageIndex / pageSize) + 1;
    document.getElementById("txtCurrPageRecord").value=pageSize;
   
}
function onNext()
{    
    var currIndex=pageIndex;
    currIndex+=pageSize;
    getPageRecord(currIndex,pageSize)
    pageIndex=currIndex;
    document.getElementById("txtCurrPage").value=(pageIndex / pageSize) + 1;
    document.getElementById("txtCurrPageRecord").value=pageSize;
    
}
function onLast()
{
    if(overSize>0)
    {
        getPageRecord(lastPage,overSize)
        document.getElementById("txtCurrPageRecord").value=overSize;
    }
    else
    {
        getPageRecord(lastPage,pageSize)
        document.getElementById("txtCurrPageRecord").value=pageSize;
    }    
    pageIndex=lastPage;
    document.getElementById("txtCurrPage").value=(pageIndex / pageSize) + 1;
}
function toPage()
{    
    var index=document.getElementById("txtCurrPage").value
    var currIndex=(index-1)*pageSize;      
    if(event.keyCode==13)
    {
         getPageRecord(currIndex,pageSize);
    }
    pageIndex=currIndex;
}
function addRow(i,dataGridId,arr)
{
 var row=document.createElement("tr");
 var cell=createCellWidthText(i);  
  row.appendChild(cell);
 for(var j=0;j<arr.length;j++)
 {
  cell=createCellWidthText(arr[j]);
  row.appendChild(cell);
 } 
 document.getElementById(dataGridId).firstChild.appendChild(row);
}
function createCellWidthText(text)
{
 var cell = document.createElement("td");
 var textNode = document.createTextNode(text);
 cell.appendChild(textNode);
 return cell; 
}
function clearRow(obj)
{
 var table=document.getElementById(obj);
 var nodeTbody=table.firstChild
 var length=nodeTbody.childNodes.length;  
 for(var i=length-1;i>0;i--)
 {
  nodeTbody.removeChild(nodeTbody.childNodes[i]);   
 }
}
</script>
    <form id="form1" runat="server">
    <div>
        <table align="center" style="border-right: #0033ff thin solid; border-top: #0033ff thin solid;
            border-left: #0033ff thin solid; width: 650px; border-bottom: #0033ff thin solid">
            <tr>
                <td>
                    共<input id="txtPageCount" name="txtPageCount" style="width: 33px; 
                    color: #0000ff; border-top-style: none; border-right-style: none; 
                    border-left-style: none; background-color: transparent; border-bottom-style: none;" type="text"   onkeydown="toPage()"/>页/
                    <input id="txtRecordCount" name="txtRecordCount" style="width: 46px; 
                    color: #3300ff; border-top-style: none; border-right-style: none; 
                    border-left-style: none; background-color: transparent; border-bottom-style: none;" type="text"   onkeydown="toPage()"/>条记录
                    <input id="btnFirst" type="button" value="首页"  onclick="onFirst()"/>
                    <input id="btnPrev" type="button" value="上一页"  onclick="onPrev()"/>
                    <input id="btnNext" type="button" value="下一页"  onclick="onNext()"/>
                    <input id="btnLast" type="button" value="尾页"  onclick="onLast()"/>
                    第<input id="txtCurrPage" name="txtCurrPage" style="width: 46px; color: #ff3333;" type="text"   onkeydown="toPage()"/>
                    页(当前页<input id="txtCurrPageRecord" name="txtCurrPageRecord" style="width: 22px; 
                    color: #ff3333; border-top-style: none; border-right-style: none;
                     border-left-style: none; background-color: white; border-bottom-style: none;" type="text"   onkeydown="toPage()"/>条记录)</td>
            </tr>
            <tr>
                <td>
                    &nbsp;<table width="100%" id="myTable">
                        <tr style="background-color:Yellow">
                            <td style="width: 34px; height: 21px;">
                                Id</td>
                            <td style="width: 34px; height: 21px;">
                                序号</td>
                            <td style="width: 42px; height: 21px;">
                                工号</td>
                            <td style="width: 36px; height: 21px;">
                                姓名</td>
                            <td style="width: 39px; height: 21px;">
                                性别</td>
                            <td style="width: 43px; height: 21px;">
                                部门</td>
                            <td style="width: 50px; height: 21px;">
                                职位</td>
                            <td style="width: 100px; height: 21px;">
                                地址</td>
                        </tr>
                    </table>
                </td>
            </tr>
        </table>
    
    </div>
    </form>
</body>
</html>

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