89 lines
2.7 KiB
TypeScript
89 lines
2.7 KiB
TypeScript
const smallToBig = function (money) {
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// 将数字金额转换为大写金额
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var cnNums = new Array(
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'零',
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'壹',
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'贰',
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'叁',
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'肆',
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'伍',
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'陆',
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'柒',
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'捌',
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'玖'
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); //汉字的数字
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var cnIntRadice = new Array('', '拾', '佰', '仟'); //基本单位
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var cnIntUnits = new Array('', '万', '亿', '兆'); //对应整数部分扩展单位
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var cnDecUnits = new Array('角', '分', '毫', '厘'); //对应小数部分单位
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var cnInteger = '整'; //整数金额时后面跟的字符
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var cnIntLast = '元'; //整数完以后的单位
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//最大处理的数字
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var maxNum = 999999999999999.9999;
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var integerNum; //金额整数部分
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var decimalNum; //金额小数部分
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//输出的中文金额字符串
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var chineseStr = '';
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var parts; //分离金额后用的数组，预定义
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if (money == '') {
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return '';
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}
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money = parseFloat(money);
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if (money >= maxNum) {
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//超出最大处理数字
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return '超出最大处理数字';
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}
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if (money == 0) {
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chineseStr = cnNums[0] + cnIntLast + cnInteger;
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return chineseStr;
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}
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//四舍五入保留两位小数,转换为字符串
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money = Math.round(money * 100).toString();
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integerNum = money.substr(0, money.length - 2);
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decimalNum = money.substr(money.length - 2);
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//获取整型部分转换
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if (parseInt(integerNum, 10) > 0) {
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var zeroCount = 0;
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var IntLen = integerNum.length;
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for (var i = 0; i < IntLen; i++) {
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var n = integerNum.substr(i, 1);
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var p = IntLen - i - 1;
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var q = p / 4;
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var m = p % 4;
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if (n == '0') {
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zeroCount++;
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} else {
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if (zeroCount > 0) {
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chineseStr += cnNums[0];
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}
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//归零
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zeroCount = 0;
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chineseStr += cnNums[parseInt(n)] + cnIntRadice[m];
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}
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if (m == 0 && zeroCount < 4) {
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chineseStr += cnIntUnits[q];
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}
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}
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chineseStr += cnIntLast;
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}
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//小数部分
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if (decimalNum != '') {
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var decLen = decimalNum.length;
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for (var i = 0; i < decLen; i++) {
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var n = decimalNum.substr(i, 1);
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if (n != '0') {
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chineseStr += cnNums[Number(n)] + cnDecUnits[i];
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}
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}
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}
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if (chineseStr == '') {
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chineseStr += cnNums[0] + cnIntLast + cnInteger;
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} else if (decimalNum == '' || /^0*$/.test(decimalNum)) {
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chineseStr += cnInteger;
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}
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return chineseStr;
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};
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export default smallToBig;
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