数字翻译成英语JavaScript计算转换特效

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数字翻译成英语JavaScript计算转换特效

2017-05-23 网页编程网 网页编程网

<html>
<head>
<title>数字转换成英文的JavaScript</title>
<script>
var arr1=new Array(""," thousand"," million"," billion")
var arr2=new Array("zero","ten","twenty","thirty","forty","fifty","sixty","seventy","eighty","ninety")
var arr3=new Array("zero","one","two","three","four","five","six","sever","eight","nine");
var arr4=new Array("ten","eleven","twelve","thirteen","fourteen","fifteen","sixteen","seventeen","eighteen","nineteen");

function Translate(num){
	var len=num.length,i,j=0,strRet="";
	var cols=Math.ceil(len/3);
	var first=len-cols*3
	var strRet=""
	for(i=first;i<len;i+=3){
		++j;
		if(i>=0)
			num3=num.substring(i,i+3)
		else
			num3=num.substring(0,first+3)
		strEng=English(num3)
		if(strEng!=""){
			if(strRet!="")	strRet+=","	
			strRet+=English(num3)+arr1[cols-j]
		}
	}
	return strRet
}
function English(num){
	strRet=""
	if((num.length==3) && (num.substr(0,3)!="000")){
		if((num.substr(0,1)!="0")){
			strRet+=arr3[num.substr(0,1)]+" hundred"
			if(num.substr(1,2)!="00")strRet+=" and "
		}
		num=num.substring(1);
	}
	if((num.length==2)){
		if((num.substr(0,1)=="0")){
			num=num.substring(1)
		}
		else if((num.substr(0,1)=="1")){
			strRet+=arr4[num.substr(1,2)]
		}
		else{
			strRet+=arr2[num.substr(0,1)]
			if(num.substr(1,1)!="0")strRet+="-"
			num=num.substring(1)
		}
	}
	if((num.length==1) && (num.substr(0,1)!="0")){
		strRet+=arr3[num.substr(0,1)]
	}
	return strRet;
}
</script>
</head>
<body>
<input id=number value=654321><input type=button value=翻译 onclick=alert(Translate(document.all.number.value))>
</body>
</html>

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