日期:2014-05-16  浏览次数:20386 次

我的JavaScript经典参考例子
1.全国公交IC卡网上充值平台https://application.dodopal.com:9998/fapayf/chargeCard.action
<script type="text/javascript">
var xmlHttp;
function createXMLHttpRequest()
{
if(window.XMLHttpRequest) //非IE浏览器及IE7(7.0及以上版本),用xmlhttprequest对象创建
{
xmlHttp=new XMLHttpRequest();
}
else if(window.ActiveXObject) //IE(6.0及以下版本)浏览器用activexobject对象创建,如果用户浏览器禁用了ActiveX,可能会失败.
{
xmlHttp=new ActiveXObject("Microsoft.XMLHttp");
}
}
//取城市
function getCity(){
document.getElementById("citySpan").innerHTML="<img src='https://application.dodopal.com:9998/fapayf/images/ajax-loader.gif'/>正在加载城市信息,请稍后...";
//document.all.chargeItem.focus();
if(!xmlHttp)
{
createXMLHttpRequest();
}
xmlHttp.open("POST", "https://application.dodopal.com:9998/fapayf/chargeCardCity.action",true);
xmlHttp.onreadystatechange = setCity;
xmlHttp.setRequestHeader('Content-type','application/x-www-form-urlencoded;charset=UTF-8');
xmlHttp.send(null);
}
//城市取到后反显
function setCity(){
if(xmlHttp.readyState == 4 && xmlHttp.status == 200){
document.getElementById("citySpan").innerHTML=xmlHttp.responseText;
changeCity();
}
}
//选择城市
function changeCity(){
//var yktid = document.getElementById("yktid").value;
var radios=document.getElementsByName("yktid");
var theRadioValue = 0;
for(var i=0;i<radios.length;i++)
{
if(radios[i].checked==true)
{
theRadioValue = radios[i].value;
break;
}
}
getJinE(theRadioValue);//加载银行费率
}
//加载OCX
function getOCX(yktid){
document.getElementById("displayframe").src="https://application.dodopal.com:9998/fapayf/getOCX.action?yktid="+yktid;
}
//取银行费率
function getJinE(yktid){
if(!xmlHttp)
{
createXMLHttpRequest();
}
xmlHttp.open("POST", "https://application.dodopal.com:9998/fapayf/getJinE.action?yktid="+yktid,true);
xmlHttp.onreadystatechange = setFeiLv;
xmlHttp.setRequestHeader('Content-type','application/x-www-form-urlencoded;charset=UTF-8');
xmlHttp.send(null);
}
function setFeiLv(){
if(xmlHttp.readyState == 4 && xmlHttp.status == 200){
document.getElementById("feilv").innerHTML = xmlHttp.responseText;
setBank();
}
}
//根据支付方式设置银行
function setBank(){
var radios=document.getElementsByName("payType");
var theRadioValue = 0;
for(var i=0;i<radios.length;i++)
{
if(radios[i].checked==true)
{
theRadioValue = radios[i].value;
if(theRadioValue!="72" && theRadioValue!="71" && theRadioValue!="2"){
theRadioValue="73";
}
break;
}
}
if(theRadioValue==0){
alert("请选择支付方式!!");
}else{
var s = document.getElementById("blankid"); //获取select标记
if(s==null || s=='undefined'){
alert("请先选择您的公交卡所在的城市!!!");
}else{
var ops= s.options; //获取对select标记options的引用
for(var i=0; i<s.length; i++){
var opValue = ops[i].value;
var b22 = opValue.split("-");
if(b22[0]==theRadioValue){
s.options[i].selected=true;
break;
}
}
}
}
}
//输入充值金额后触发的事件
function setChargeItem(chargeValue){
if(chargeValue==""){
return;
}
if(parseInt(chargeValue)%10!=0){ //校验是否为10的整倍数
alert( '必须输入10的倍数 ') ;
document.all.chargeItem.value='';
}else{
//计算手续费及总金额
if(Number(chargeValue)>1000){
alert("充值最大金额不能超过1000!!!");
document.all.chargeItem.value='';
}else{
fee();
}
}
}
//计算费率
function fee(){
var radios=document.getElementById("chargeItem").value;
var x1 = radios;
var x2= document.getElementById("blankid").value;
var x22=x2.split("-");
var x222=x22[1];
var zongjinezej=x1*x222+Number(x1);
//手续费
document.all.shouxufei.innerText=x1*x222+"元";
//总金额
document.all.zongjineid.innerText=zongjinezej+"元";
}
//变换支付方式
function changeBank(){
var s = document.getElementById("blankid"); //获取select标记
if(s==null || s=='undefined'){
alert("请先选择您的公交卡所在的城市!!!");
}else{
setBank();
fee();
}
}
//充值校验
function checkCharge(ev){
var objPos = mousePosition(ev);
var chargeValue = document.all.chargeItem.value;
if(chargeValue=='' || chargeValue==' '){
alert("请输入充值金额!!");
document.all.chargeItem.focus();
}else{
var yktid = document.all.yktid.value;
var radios=document.getElementsByName("yktid");
var theRadioValue = 0;
for(var i=0;i<radios.length;i++)
{
if(ra