javascript操作xml(增删改查)例子代码hta版（javascriptfor循环例题）怎么可以错过

#findPanel

{

position:absolute;

width:220px;

border:1px solid #666666;

}

#findPanelTitle

{

height:10px;

background-color:#336699;

cursor:move;

}

#findPanelContent

{

padding:5px 5px 5px 5px;

background-color:#6699CC;

}

var xmlDoc=new ActiveXObject(“Msxml2.DOMDocument”);

xmlDoc.async=false;

xmlDoc.resolveExternals=false;

xmlDoc.load(“stu.xml”);

//alert(xmlDoc.xml);

//显示数据

function show(){

var vbo=document.getElementById(“s”).value;

if(vbo==”显示学生信息”){

document.getElementById(‘info’).style.visibility=’visible’;

document.getElementById(“s”).value=”隐藏学生信息”;

}else{

document.getElementById(‘info’).style.visibility=’hidden’;

document.getElementById(“s”).value=”显示学生信息”;

}

}

//查找

function que(){

document.getElementById(“ad”).style.visibility=”visible”;

document.getElementById(“qmd”).style.visibility=”visible”;

}

function getXMLProperty(xmlDoc, name) {

var keys=name.split(‘.’);

var node=xmlDoc.documentElement;

for(var i=0; i

var childs=node.childNodes;

var key=keys[i];

for(var k=0; k

var child=childs[k];

if(child.nodeName==key) {

if(child.childNodes.length==1) {

return child.text;

} else {

node=child;

break;

}

}

}

}

return “”;

}

//返回父节点(通过节点名字和节点值)

function getNod(nam,val){

var node=xmlDoc.documentElement;

var childs=node.childNodes;

for (var i=0;i

{

var child=childs[i];

var childms=child.childNodes;

for(var k=0;k

var childm=childms[k];

if(childm.nodeName==nam && (childm.text).substring(0,6)==val){

//alert(val);

return child;

}

}

}

return ”;

}

//通过父节点和子节点名返回子节点值

function getNodVal(nods,nam){

var childms=nods.childNodes;

for(var k=0;k

var childm=childms[k];

if(childm.nodeName==nam){

//alert(childm.text);

return childm.text;

}

}

return ”;

}

//通过父节点和子节点名返回子节点

function getCurNod(nods,nam){

var childms=nods.childNodes;

for(var k=0;k

var childm=childms[k];

if(childm.nodeName==nam){

//alert(childm.text);

return childm;

}

}

return ”;

}

//开始查找

function query(){

var renum=/^\d{5}$/;

if(renum.exec(xh.value)){

if(xmlDoc.selectSingleNode(“/学生管理[学生/学号=”+xh.value+”]”)){

var nod=getNod(‘学号’,xh.value);

//getNodVal(nod,’姓名’);

//getNodVal(nod,’性别’);

//getNodVal(nod,’籍贯’);

document.getElementById(“xm”).value=getNodVal(nod,’姓名’);

document.getElementById(“xb”).value=getNodVal(nod,’性别’);

document.getElementById(“jg”).value=getNodVal(nod,’籍贯’);

}else{

alert(“该学号还没有被占用!”);

}

}else{

alert(“学号非法!学号5位数字!”);

return false;

}

}

//修改

function mod(){

if(info_check()){

if(xmlDoc.selectSingleNode(“/学生管理[学生/学号=”+xh.value+”]”)){

if(confirm(“确认修改？”)){

var nod=getNod(‘学号’,xh.value);

getCurNod(nod,’姓名’).text=xm.value;

getCurNod(nod,’性别’).text=xb.value;

getCurNod(nod,’籍贯’).text=jg.value;

saveXML();

//document.getElementById(“xh”).disabled=”false”;

document.getElementById(“xh”).value=””;

document.getElementById(“xm”).value=””;

document.getElementById(“xb”).value=””;

document.getElementById(“jg”).value=””;

document.getElementById(“ad”).style.visibility=”hidden”;

document.getElementById(“qmd”).style.visibility=”hidden”;

alert(“修改成功!”);

location.reload();

}

}else{

alert(“该学号还没有被占用!请按学号查询再进行修改!”);

return false;

}

}

}

//新增学生

function add(){

var vadd=document.getElementById(“add”).value;

if(vadd==”新增”){

document.getElementById(“xh”).value=””;

document.getElementById(“xm”).value=””;

document.getElementById(“xb”).value=””;

document.getElementById(“jg”).value=””;

document.getElementById(“qmd”).style.visibility=”hidden”;

document.getElementById(‘info’).style.visibility=’hidden’;

document.getElementById(“s”).value=”显示学生信息”;

document.getElementById(“ad”).style.visibility=”visible”;

document.getElementById(“add”).value=”保存”;

document.getElementById(“can”).style.visibility=”visible”;

}else{

if(info_check()){

add_node();

saveXML();

document.getElementById(“xh”).value=””;

document.getElementById(“xm”).value=””;

document.getElementById(“xb”).value=””;

document.getElementById(“jg”).value=””;

document.getElementById(“ad”).style.visibility=”hidden”;

document.getElementById(“qmd”).style.visibility=”hidden”;

document.getElementById(“add”).value=”新增”;

alert(“新增成功!”);

location.reload();

}

}

}

//删除学生

function del(){

var renum=/^\d{5}$/;

if(renum.exec(document.getElementById(“xh”).value)){

if(xmlDoc.selectSingleNode(“/学生管理[学生/学号=”+xh.value+”]”)){

if(confirm(“确认删除？”)){

var nod=getNod(‘学号’,xh.value);

nod.parentNode.removeChild(nod);

saveXML();

can();

alert(“删除成功!”);

location.reload();

}

}else{

alert(“该学号还没有被占用!请按学号查询再进行修改!”);

return false;

}

}else{

alert(“学号非法!为5位数字!”);

return false;

}

}

//取消新增

function can(){

document.getElementById(“xh”).value=””;

document.getElementById(“xm”).value=””;

document.getElementById(“xb”).value=””;

document.getElementById(“jg”).value=””;

document.getElementById(“ad”).style.visibility=”hidden”;

document.getElementById(“can”).style.visibility=”hidden”;

document.getElementById(“qmd”).style.visibility=”hidden”;

document.getElementById(“add”).value=”新增”;

}

//增加结点

function add_node(){

var oxh=xmlDoc.createElement(“学号”);

oxh.appendChild(xmlDoc.createTextNode(xh.value));

var oxm=xmlDoc.createElement(“姓名”);

oxm.appendChild(xmlDoc.createTextNode(xm.value));

var oxb=xmlDoc.createElement(“性别”);

oxb.appendChild(xmlDoc.createTextNode(xb.value));

var ojg=xmlDoc.createElement(“籍贯”);

ojg.appendChild(xmlDoc.createTextNode(jg.value));

var oxs=xmlDoc.createElement(“学生”);

oxs.appendChild(oxh);

oxs.appendChild(oxm);

oxs.appendChild(oxb);

oxs.appendChild(ojg);

var parent=xmlDoc.selectSingleNode(“/学生管理”);

if(parent.hasChildNodes()) {

parent.insertBefore(oxs,parent.firstChild);

}else{

parent.appendChild(oxs);

}

}

//保存XML

function saveXML(){

xmlDoc.save(“stu.xml”);

}

//验证新增数据

function info_check(){

var renum=/^\d{5}$/;

var rec=/^[一-龥]{2,5}$/;

if(!renum.exec(document.getElementById(“xh”).value)){

alert(“学号非法!为5位数字!”);

return false;

}

if(!rec.exec(xm.value)){

alert(“姓名非法!只能是中文最少两个字,最多不得超过5个字!”);

return false;

}

//alert(xb.value!=”男”);

switch(xb.value){

case “男”:break;

case “女”:break;

default:alert(“性别只能是”男”或”女”!”); return false;

}

if(!rec.exec(jg.value)){

alert(“籍贯非法!只能是中文最少两个字,最多不得超过5个字!！”);

return false;

}

return true;

}

//–>

学号:

姓名:

性别:

籍贯:

var findPanel=document.getElementById(“findPanel”);

var findPanelTitle=document.getElementById(“findPanelTitle”);

var findPanelContent=document.getElementById(“findPanelContent”);

var findPanel_orgnX=50;

var findPanel_orgnY=50;

//设置物件位置

findPanel.style.pixelLeft=document.body.scrollLeft + findPanel_orgnX;

findPanel.style.pixelTop=document.body.scrollTop + findPanel_orgnY;

//================================================================================

var foundCnt=0; //已经找到了的结果的数量

//查找入口函数

function Find(key)

{

if (key==””)

{

return;

}

if (document.all)

{

IEFind(key);

}

else

{

NSFind(key);

}

}

//浏览器为 IE 系列

function IEFind(key)

{

var rng=document.body.createTextRange();

var found=false;

for (var i=0; i<=foundCnt && (found=rng.findText(key)); i++)

{

rng.moveStart(“character”, 1); //找到，后移一位以查找下一个

}

if (found)

{

rng.moveStart(“character”, -1);

rng.findText(key);

rng.select();

rng.scrollIntoView();

foundCnt++;

}

else

{

if (foundCnt > 0)

{

//已经查找一遍，找到有符合条件的结果，重新开始查找

foundCnt=0;

IEFind(key);

}

else

{

//已经查找一遍，没有找到符合条件的结果

alert(“文档搜索完毕。”);

}

}

}

//浏览器为 NS 系列

function NSFind(key)

{

if (window.find(key))

{

foundCnt++;

}

else

{

var found=false;

while (window.find(key, false, true))

{

found=true;

}

if (found)

{

//已经查找一遍，找到有符合条件的结果，重新查找也已经开始

foundCnt=1;

}

else

{

//已经查找一遍，没有找到符合条件的结果

alert(“文档搜索完毕。”);

}

}

}

function OnKeySubmit()

{

var key=document.getElementById(“key”);

Find(key.value);

}

function ChckSubmit(e)

{

if (e.keyCode==13)

{

OnKeySubmit();

}

}

//================================================================================

function RePosFindPanel()

{

findPanel.style.pixelLeft=document.body.scrollLeft + findPanel_orgnX;

findPanel.style.pixelTop=document.body.scrollTop + findPanel_orgnY;

}

document.body.onscroll=RePosFindPanel;

document.body.onresize=RePosFindPanel;

//================================================================================

//拖拽过程中相关变量

var draging=false; //是否处于拖拽中

var offsetX=0; //X方向左右偏移量

var offsetY=0; //Y方向上下偏移量

//准备拖拽

function BeforeDrag()

{

if (event.button !=1)

{

return;

}

offsetX=document.body.scrollLeft + event.clientX-findPanel.style.pixelLeft;

offsetY=document.body.scrollTop + event.clientY-findPanel.style.pixelTop;

draging=true;

}

//拖拽中

function OnDrag()

{

if(!draging)

{

return;

}

//更新位置

findPanel_orgnX=event.clientX-offsetX;

findPanel_orgnY=event.clientY-offsetY;

event.returnValue=false;

findPanel.style.pixelLeft=document.body.scrollLeft + event.clientX-offsetX;

findPanel.style.pixelTop=document.body.scrollTop + event.clientY-offsetY;

}

//结束拖拽

function EndDrag()

{

if (event.button !=1)

{

return;

}

draging=false;

}

findPanelTitle.onmousedown=BeforeDrag;

document.onmousemove=OnDrag;

findPanelTitle.onmouseup=EndDrag;

//–>

:red;” >

学生信息管理

学号

姓名　　

性别　　

籍贯