cal.wmls

纯wml代码的汇率转换代码

function GetRate(urlstr){
var money=URL.loadString(urlstr,"text/html");
var a=String.find(money,"</th><td>");
var p=a+9;
var k=0;
while(String.charAt(money,p)!="<"){
p=p+1;
k=k+1;
}
   money = String.subString(money ,a+9,k); 
return money;
} 

extern function Convert(resVal,amount){
 var rate;
 var fromCurrency = WMLBrowser.getVar("fromCurrency"); 
 var toCurrency = WMLBrowser.getVar("toCurrency"); 
  if(fromCurrency=="USD"){
                      if (toCurrency == "USD")
                        rate= 1.0;
                 if (toCurrency == "EUR")
                        rate= GetRate("http://finance.yahoo.com/m5?a=1&s=USD&t=EUR");
                 if (toCurrency == "CNY")
                        rate= GetRate("http://finance.yahoo.com/m5?a=1&s=USD&t=CNY");
 
 }
   if(fromCurrency=="EUR"){
                      if (toCurrency == "EUR")
                        rate= 1.0;
                 if (toCurrency == "USD")
                        rate=GetRate("http://finance.yahoo.com/m5?a=1&s=EUR&t=USD");
                 if (toCurrency == "CNY")
                        rate= GetRate("http://finance.yahoo.com/m5?a=1&s=EUR&t=CNY");
 
 }
   if(fromCurrency=="CNY"){
                      if (toCurrency == "CNY")
                        rate= 1.0;
                 if (toCurrency == "USD")
                        rate=GetRate("http://finance.yahoo.com/m5?a=1&s=CNY&t=USD");
                 if (toCurrency == "EUR")
                        rate= GetRate("http://finance.yahoo.com/m5?a=1&s=CNY&t=EUR");
 
 }
 amount=amount*rate;
 	WMLBrowser.setVar(resVal,String.format("%.2f",amount));
		WMLBrowser.refresh();
}