var cnNums = new Array("零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖")
var cnIntRadice = new Array("", "拾", "佰", "仟")
var cnIntUnits = new Array("", "万", "亿", "兆")
var cnDecUnits = new Array("角", "分", "毫", "厘")
var cnInteger = "整"
var cnIntLast = "元"
var maxNum = 999999999999999.9999
var IntegerNum
var DecimalNum
var ChineseStr = ""
var parts
if (money == ""){
return ""
}
money = parseFloat(money)
if (money >= maxNum) {
alert('超出最大处理数字')
return ""
}
if (money == 0) {
ChineseStr = cnNums[0] + cnIntLast + cnInteger
return ChineseStr
}
money = money.toString()
if (money.indexOf(".") == -1) {
IntegerNum = money
DecimalNum = ''
} else {
parts = money.split(".")
IntegerNum = parts[0]
DecimalNum = parts[1].substr(0, 4)
}
if (parseInt(IntegerNum, 10) > 0) {
var zeroCount = 0
var IntLen = IntegerNum.length
for (var index = 0 index < IntLen index++) {
var n = IntegerNum.substr(index, 1)
var p = IntLen - index - 1
var q = p / 4
var m = p % 4
if (n == "0") {
zeroCount++
} else {
if (zeroCount > 0) {
ChineseStr += cnNums[0]
}
//归零
zeroCount = 0
ChineseStr += cnNums[parseInt(n)] + cnIntRadice[m]
}
if (m == 0 && zeroCount < 4) {
ChineseStr += cnIntUnits[q]
}
}
ChineseStr += cnIntLast
}
if (DecimalNum != '') {
var decLen = DecimalNum.length
for (var index = 0 index < decLen index++) {
var n = DecimalNum.substr(index, 1)
if (n != '0') {
ChineseStr += cnNums[Number(n)] + cnDecUnits[index]
}
}
}
if (ChineseStr == '') {
ChineseStr += cnNums[0] + cnIntLast + cnInteger
} else if (DecimalNum == '') {
ChineseStr += cnInteger
}
return ChineseStr
}
console.log(changeNumMoneyToChinese(125.6))
<!DOCTYPE html><html>
<head>
<meta charset="utf-8" />
<title>正则 只能输入数字</title>
<meta name="Keywords" content="" />
<meta name="Description" content="" />
<link rel="stylesheet" href="css/.css" />
</head>
<body>
<input type="text" id="txt" />
<button id="btn">确定</button>
<script>
var txt = document.getElementById('txt')
var btn = document.getElementById('btn')
var reg = /^\d*$/
btn.onclick = function(){
var val = txt.value
if( !reg.test(val)){
alert('只能输入数字！')
}
}
</script>
</body>
</html>
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