var num = parseFloat(str)
var strOutput = "",
strUnit = '仟佰拾亿仟佰拾万仟佰拾元角分'
num += "00"
var intPos = num.indexOf('.')
if (intPos >= 0){
num = num.substring(0, intPos) + num.substr(intPos + 1, 2)
}
strUnit = strUnit.substr(strUnit.length - num.length)
for (var i=0i <num.lengthi++){
strOutput += '零壹贰叁肆伍陆柒捌玖'.substr(num.substr(i,1),1) + strUnit.substr(i,1)
}
return strOutput.replace(/零角零分$/, '整').replace(/零[仟佰拾]/g, '零').replace(/零{2,}/g, '零').replace(/零([亿|万])/g, '$1').replace(/零+元/, '元').replace(/亿零{0,3}万/, '亿').replace(/^元/, "零元")
}
function _convert(str){
var arr = ["一","二","三","四","五","六","七","八","九","十"]
for (var i = 0 i < arr.length i++) {
str = str.replace(new RegExp(arr[i], "g"), (i+1))
}
return str
}
// 使用
var str = "一二三三九一"
var result = _convert(str)
result // 123391