js无刷新操作table的行和列_javascript技巧

//查询数据库符合条件的数据
function SelectAlterNativeVenues(field)
{
var xmlhttp;
var pid = document.getElementById("nameandaddress").value;
var url = "${RetrieveURL}?accessorType=${AccessorType}";
url = url "&method=RetrieveSelectResult&NameAndAddress=" escape(pid);
if (window.XMLHttpRequest)
{
xmlhttp = new XMLHttpRequest();
}
else if (window.ActiveXObject)
{
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); //IE
}
if (xmlhttp != null)
{
xmlhttp.open("GET", url, true);
xmlhttp.setRequestHeader("If-Modified-Since", "0");
xmlhttp.send(null);
xmlhttp.onreadystatechange = function processRefreshUsers() //注册方法
{
if (xmlhttp.readyState == 4)
{
if (xmlhttp.status == 200)
{
//responseXML获取执行RetrieveCitiesByProvinceId方法的返回值
var datas = xmlhttp.responseXML.documentElement.getElementsByTagName("AlterNativeVenues");
var nname = document.getElementById("table1");
var pchildren = nname.childNodes;//清空表中的行和列
for(var a=0; a{
nname.removeChild(pchildren[a]);
}
//添加查询行
var aaRow=nname.insertRow(0);
var aaCell=aaRow.insertCell(0);
aaCell.innerHTML="";
aaRow.insertCell(1).innerHTML="查询";
//添加标题行
var aRow=nname.insertRow(1);
aRow.insertCell(0).innerHTML="";
aRow.insertCell(1).innerHTML="名称";
aRow.insertCell(2).innerHTML="地址";
aRow.insertCell(3).innerHTML="电话";
//循环添加数据行
for (i = 0; i < datas.length; i )
{
var Id = datas[i].getElementsByTagName("Id")[0].firstChild.nodeValue;
var Name = datas[i].getElementsByTagName("Name")[0].firstChild.nodeValue;
var Address=datas[i].getElementsByTagName("Address")[0].firstChild.nodeValue;
var Phone=datas[i].getElementsByTagName("Phone")[0].firstChild.nodeValue;

var aNewRow=nname.insertRow(i 2);
aNewRow.insertCell(0).innerHTML="";
aNewRow.insertCell(1).innerHTML=Name;
aNewRow.insertCell(2).innerHTML=Address;
aNewRow.insertCell(3).innerHTML=Phone;
}
}
}
}
}
}


//添加已选中的数据
function AddRowSelectAfter(id,field)
{
//把隐藏域里面的所有id划分开 然后把对应的checked绑定
var state=false; //判断下面列表是否存在
var _hiddenId=document.getElementById(field).value.substr(0,document.getElementById(field).value.length-1).split(',');
for(j=0;j<_hiddenId.length;j )
{
if(_hiddenId[j]==id.split('_')[1])
{
state=true;
}

}
if(state==false)
{
//只要点击checkbox就出发一次更改隐藏域的值
//非选中状态需要把id从隐藏控件里面移除
var arrs=document.getElementById(field).value.substr(0,document.getElementById(field).value.length-1).split(',');
//定义一个字段重新获取id
var newids="";
for(var arr=0;arr{
if(arrs[arr]!=id.split('_')[1])
newids =arrs[arr] ",";
}
//重新给隐藏控件赋值
//最后一个字符可能是,
var fh=newids.substr(newids.length-1,newids.length);
if(fh==",")
document.getElementById(field).value=newids.substr(0,newids.length-1);
else
document.getElementById(field).value=newids;


if(document.getElementById(id).checked==false)
{
//选中状态点击改为非点中状态 移除已选的场馆
document.getElementById(id).checked=false;
//给tr设置id用来删除tr
document.getElementById("table2").deleteRow(document.getElementById("NewRow_" id.split('_')[1]).rowIndex);

}
else
{
document.getElementById(id).checked=true;
var input =document.getElementById(field);
var xmlhttp;
var url = "${RetrieveURL}?accessorType=${AccessorType}";
url = url "&method=SelectResult&id=" id;
if (window.XMLHttpRequest)
{
xmlhttp = new XMLHttpRequest();
}
else if (window.ActiveXObject)
{
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); //IE
}
if (xmlhttp != null)
{
xmlhttp.open("GET", url, true);
xmlhttp.setRequestHeader("If-Modified-Since", "0");
xmlhttp.send(null);
xmlhttp.onreadystatechange = function processRefreshUsers() //注册方法
{
if (xmlhttp.readyState == 4)
{
if (xmlhttp.status == 200)
{
//responseXML获取执行RetrieveCitiesByProvinceId方法的返回值
var datas = xmlhttp.responseXML.documentElement.getElementsByTagName("AlterNativeVenues");
var nname = document.getElementById("table2");
nname.style.width="560px";
if(nname.rows.length==0&&datas.length>0)
{
//第一行
var firstRow=nname.insertRow(0);
firstRow.id="NewRow_0";
firstRow.insertCell(0).innerHTML="名称";
firstRow.insertCell(1).innerHTML="地址";
firstRow.insertCell(2).innerHTML="电话";
firstRow.insertCell(3).innerHTML="操作";
}
for (i = 0; i < datas.length; i )
{
var Id = datas[i].getElementsByTagName("Id")[0].firstChild.nodeValue;
var Name = datas[i].getElementsByTagName("Name")[0].firstChild.nodeValue;
var Address=datas[i].getElementsByTagName("Address")[0].firstChild.nodeValue;
var Phone=datas[i].getElementsByTagName("Phone")[0].firstChild.nodeValue;

var aNewRow=nname.insertRow(nname.rows.length);
aNewRow.id="NewRow_" Id;
var oneCell=aNewRow.insertCell(0);
oneCell.innerHTML=Name;
oneCell.width=140;
var twoCell=aNewRow.insertCell(1);
twoCell.innerHTML=Address;
twoCell.width=280;
var threeCell=aNewRow.insertCell(2);
threeCell.innerHTML=Phone;
threeCell.width=100;
var fourCell=aNewRow.insertCell(3);
fourCell.innerHTML="删除";
fourCell.width=40;
if(input.value!="")
input.value =",";
input.value =Id;
}
}
}
}
}
}
}
}

function DeleteRow(id,obj,field)
{
obj.parentNode.parentNode.parentNode.removeChild(obj.parentNode.parentNode)
var nname = document.getElementById("table2");
if(nname.rows.length==1)
{
nname.deleteRow(0);
}
//已经存储到数据库的 查询之后上面列表没有的情况
if(document.getElementById("AlterNativeVenues_" id)!=null||document.getElementById("AlterNativeVenues_" id)!=undefined)
{
if(document.getElementById("AlterNativeVenues_" id).checked==true)
{
document.getElementById("AlterNativeVenues_" id).checked=false;
}
}
//非选中状态需要把id从隐藏控件里面移除
var arrs=document.getElementById(field).value.substr(0,document.getElementById(field).value.length-1).split(',');
//定义一个字段重新获取id
var newids="";
for(var arr=0;arr{
if(arrs[arr]!=id)
newids =arrs[arr] ",";
}
//重新给隐藏控件赋值
//重新给隐藏控件赋值
//最后一个字符可能是,
var fh=newids.substr(newids.length-1,newids.length);
if(fh==",")
{
document.getElementById(field).value=newids.substr(0,newids.length-1);
}
else
document.getElementById(field).value=newids;
}