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20220330_Vote/Ewide.Web.Entry/wwwroot/lib/xe-utils/commafy.js

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+var setupDefaults = require('./setupDefaults')
+
+var round = require('./round')
+var ceil = require('./ceil')
+var floor = require('./floor')
+
+var isNumber = require('./isNumber')
+var toValueString = require('./toValueString')
+var toFixed = require('./toFixed')
+
+var toNumberString = require('./toNumberString')
+var assign = require('./assign')
+
+/**
+  * 千分位分隔符、小数点
+  *
+  * @param {String/Number} num 数值
+  * @param {CommafyOptions} options 参数
+  * @return {String}
+ */
+function commafy(num, options) {
+  var opts = assign({}, setupDefaults.commafyOptions, options)
+  var optDigits = opts.digits
+  var isNum = isNumber(num)
+  var rest, result, isNegative, intStr, floatStr
+  if (isNum) {
+    rest = (opts.ceil ? ceil : (opts.floor ? floor : round))(num, optDigits)
+    result = toNumberString(optDigits ? toFixed(rest, optDigits) : rest).split('.')
+    intStr = result[0]
+    floatStr = result[1]
+    isNegative = intStr && rest < 0
+    if (isNegative) {
+      intStr = intStr.substring(1, intStr.length)
+    }
+  } else {
+    rest = toValueString(num).replace(/,/g, '')
+    result = rest ? [rest] : []
+    intStr = result[0]
+  }
+  if (result.length) {
+    return (isNegative ? '-' : '') + intStr.replace(new RegExp('(?=(?!(\\b))(.{' + (opts.spaceNumber || 3) + '})+$)', 'g'), (opts.separator || ',')) + (floatStr ? ('.' + floatStr) : '')
+  }
+  return rest
+}
+
+module.exports = commafy