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js完美转换阿拉伯数字为数字大写（原创）

2016-06-13 10:43 671 查看

啥都不说，直接上代码：

//阿拉伯数字转换为简写汉字
function Arabia_To_SimplifiedChinese(Num) {
for (i = Num.length - 1; i >= 0; i--) {
Num = Num.replace(",", "")//替换Num中的“,”
Num = Num.replace(" ", "")//替换Num中的空格
}
if (isNaN(Num)) { //验证输入的字符是否为数字
//alert("请检查小写金额是否正确");
return;
}
//字符处理完毕后开始转换，采用前后两部分分别转换
part = String(Num).split(".");
newchar = "";
//小数点前进行转化
for (i = part[0].length - 1; i >= 0; i--) {
if (part[0].length > 10) {
//alert("位数过大，无法计算");
return "";
}//若数量超过拾亿单位，提示
tmpnewchar = ""
perchar = part[0].charAt(i);
switch (perchar) {
case "0":  tmpnewchar = "零" + tmpnewchar;break;
case "1": tmpnewchar = "一" + tmpnewchar; break;
case "2": tmpnewchar = "二" + tmpnewchar; break;
case "3": tmpnewchar = "三" + tmpnewchar; break;
case "4": tmpnewchar = "四" + tmpnewchar; break;
case "5": tmpnewchar = "五" + tmpnewchar; break;
case "6": tmpnewchar = "六" + tmpnewchar; break;
case "7": tmpnewchar = "七" + tmpnewchar; break;
case "8": tmpnewchar = "八" + tmpnewchar; break;
case "9": tmpnewchar = "九" + tmpnewchar; break;
}
switch (part[0].length - i - 1) {
case 0: tmpnewchar = tmpnewchar; break;
case 1: if (perchar != 0) tmpnewchar = tmpnewchar + "十"; break;
case 2: if (perchar != 0) tmpnewchar = tmpnewchar + "百"; break;
case 3: if (perchar != 0) tmpnewchar = tmpnewchar + "千"; break;
case 4: tmpnewchar = tmpnewchar + "万"; break;
case 5: if (perchar != 0) tmpnewchar = tmpnewchar + "十"; break;
case 6: if (perchar != 0) tmpnewchar = tmpnewchar + "百"; break;
case 7: if (perchar != 0) tmpnewchar = tmpnewchar + "千"; break;
case 8: tmpnewchar = tmpnewchar + "亿"; break;
case 9: tmpnewchar = tmpnewchar + "十"; break;
}
newchar = tmpnewchar + newchar;
}
//替换所有无用汉字，直到没有此类无用的数字为止
while (newchar.search("零零") != -1 || newchar.search("零亿") != -1 || newchar.search("亿万") != -1 || newchar.search("零万") != -1) {
newchar = newchar.replace("零亿", "亿");
newchar = newchar.replace("亿万", "亿");
newchar = newchar.replace("零万", "万");
newchar = newchar.replace("零零", "零");
}
//替换以“一十”开头的，为“十”
if (newchar.indexOf("一十") == 0) {
newchar = newchar.substr(1);
}
//替换以“零”结尾的，为“”
if (newchar.lastIndexOf("零") == newchar.length - 1) {
newchar = newchar.substr(0, newchar.length - 1);
}
return newchar;
}

将上面的代码保存为digital.js文件。引入到如下的html页面。

测试HTML代码：

<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width" />
<title>NumberConversion</title>
<script src="digital.js"></script>
</head>
<body>
<div>
<input type="text" id="sourcetxt" /><br />
<input type="button" onclick="NumConvert()" id="converbtn"  value="数字大写转换"/> <br />
<input type="text" id="targettxt" />
</div>
<script>
function NumConvert() {
try {
var numtxt = document.getElementById("sourcetxt").value;
var result = Arabia_To_SimplifiedChinese(numtxt);
document.getElementById("targettxt").value = result;

} catch (e) {
alert(e);
}
}
</script>
</body>
</html>

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