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haw-utils

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一个基于业务场景的工具方法库

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(function (global, factory) { if (typeof define === "function" && define.amd) { define(["exports", "../utils/math.util", "../utils/type/isNaN"], factory); } else if (typeof exports !== "undefined") { factory(exports, require("../utils/math.util"), require("../utils/type/isNaN")); } else { var mod = { exports: {} }; factory(mod.exports, global.utilsMathUtil, global.utilsTypeIsNaN); global.formatMoney = mod.exports; } })(typeof globalThis !== "undefined" ? globalThis : typeof self !== "undefined" ? self : this, function (_exports, _math, _isNaN) { "use strict"; Object.defineProperty(_exports, "__esModule", { value: true }); _exports["default"] = void 0; _isNaN = _interopRequireDefault(_isNaN); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; } function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _unsupportedIterableToArray(arr, i) || _nonIterableRest(); } function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); } function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; } function _iterableToArrayLimit(arr, i) { var _i = null == arr ? null : "undefined" != typeof Symbol && arr[Symbol.iterator] || arr["@@iterator"]; if (null != _i) { var _s, _e, _x, _r, _arr = [], _n = !0, _d = !1; try { if (_x = (_i = _i.call(arr)).next, 0 === i) { if (Object(_i) !== _i) return; _n = !1; } else for (; !(_n = (_s = _x.call(_i)).done) && (_arr.push(_s.value), _arr.length !== i); _n = !0) { ; } } catch (err) { _d = !0, _e = err; } finally { try { if (!_n && null != _i["return"] && (_r = _i["return"](), Object(_r) !== _r)) return; } finally { if (_d) throw _e; } } return _arr; } } function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; } var reg = /^[+-]?\d*\.?\d*$/; // 检查数字或数字字符串 function checkNumber(num) { if (!(reg.test(num) || (0, _math.isScientificNumber)(num)) || (0, _isNaN["default"])(num) || typeof num !== 'number' && typeof num !== 'string' || num === '') { console.warn("".concat(num, " invalid parameter.")); return false; } // 数字超限如果不是是字符串,可能有异常 // 如 1111111111111111111111 // => 1.1111111111111111e+21 if (typeof num === 'number') { (0, _math.checkBoundary)(num); } return true; } // 格式化整数部分 function formatInt(intStr, thousand) { var txt = ''; intStr = intStr[0] === '+' ? intStr.substr(1) : intStr; // 去掉+符号 var negativeSymbol = Number(intStr) < 0 ? '-' : ''; var reArr = negativeSymbol ? intStr.substr(1).split('').reverse() : intStr.split('').reverse(); for (var i = 0; i < reArr.length; i++) { txt += reArr[i] + ((i + 1) % 3 === 0 && i + 1 !== reArr.length ? thousand : ''); } return negativeSymbol + txt.split('').reverse().join(''); } // 格式化小数部分,如果使用 toFixed,超大额数字会自动被截断 function formatDec(decStr, precision, decimal) { if (precision === 0) { return ''; } var zero = 0; var ret = ''; if (decStr && Number(decStr) > 0) { var tmpNum = parseFloat('0.' + decStr); ret = tmpNum.toFixed(precision).substr(2); } else { ret = zero.toFixed(precision).substr(2); } return decimal + ret; } /** * 格式化金额 * * @static * @alias module:Processor.formatMoney * @since 1.1.0 * @param {String | Number} num 需转换金额 (最大:9007199254740991 最小: -9007199254740991) * @param {Object} [options] - 金额格式化配置 * @param {String | Number} [options.precision=2] - 保留位数 (最高:10位) * @param {String} [options.symbol] - 货币符号 * @param {String} [options.thousand=,] - 千分位符号 * @param {String} [options.decimal=.] - 小数位符号 * @returns {String} 格式化的金额 * @example * * // 整数 * formatMoney('1000'); * // => 1,000.00 * * // 小数(默认保留2位小数) * formatMoney('3000.03'); * // => 3,000.03 * * // 保留4位小数 * formatMoney('3000.0300', { precision: 4 }); * // => 3,000.0300 * * // 保留10位小数 * formatMoney('1500.2', { precision: 10 }); * // => 1,500.2000000000 * * // 自定义单位符号 * formatMoney(1000.00, { symbol: '$' }); * // => $1,000.00 * * // 自定义千位分割符(默认',') * formatMoney(1000.00, { thousand: '|' }); * // => 1|000.00 * * // 自定义小数位分割符(默认'.') * formatMoney(1000.00, { thousand: '&' }); * // => 1,000&00 */ var formatMoney = function formatMoney(num) { var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}, _ref$precision = _ref.precision, precision = _ref$precision === void 0 ? 2 : _ref$precision, symbol = _ref.symbol, _ref$thousand = _ref.thousand, thousand = _ref$thousand === void 0 ? ',' : _ref$thousand, _ref$decimal = _ref.decimal, decimal = _ref$decimal === void 0 ? '.' : _ref$decimal; // 数字参数不正确,返回空字符串 if (!checkNumber(num)) { return ''; } // 参数规整化 if (typeof precision !== 'number' || (0, _isNaN["default"])(precision) || precision < 0) { precision = 2; } else if (precision > 10) { precision = 10; } symbol = typeof symbol === 'string' ? symbol : ''; thousand = typeof thousand === 'string' ? thousand : ','; decimal = typeof decimal === 'string' ? decimal : '.'; // 转换数字字符串,支持科学记数法 var numStr = (0, _math.scientificToNumber)(num) + ''; // 整数和小数部分 var _numStr$split = numStr.split('.'), _numStr$split2 = _slicedToArray(_numStr$split, 2), intStr = _numStr$split2[0], decStr = _numStr$split2[1]; return symbol + formatInt(intStr, thousand) + formatDec(decStr, precision, decimal); }; var _default = formatMoney; _exports["default"] = _default; });