From 9ab4955166b7b1370fc2a49b152353241ca9e64a Mon Sep 17 00:00:00 2001
From: jiangping <jp@doumee.com>
Date: 星期一, 16 十月 2023 09:22:23 +0800
Subject: [PATCH] 小程序
---
minipro_standard/uni_modules/uview-ui/libs/function/digit.js | 167 -------------------------------------------------------
1 files changed, 0 insertions(+), 167 deletions(-)
diff --git a/minipro_standard/uni_modules/uview-ui/libs/function/digit.js b/minipro_standard/uni_modules/uview-ui/libs/function/digit.js
index c8260a0..e69de29 100644
--- a/minipro_standard/uni_modules/uview-ui/libs/function/digit.js
+++ b/minipro_standard/uni_modules/uview-ui/libs/function/digit.js
@@ -1,167 +0,0 @@
-let _boundaryCheckingState = true; // 鏄惁杩涜瓒婄晫妫�鏌ョ殑鍏ㄥ眬寮�鍏�
-
-/**
- * 鎶婇敊璇殑鏁版嵁杞
- * @private
- * @example strip(0.09999999999999998)=0.1
- */
-function strip(num, precision = 15) {
- return +parseFloat(Number(num).toPrecision(precision));
-}
-
-/**
- * Return digits length of a number
- * @private
- * @param {*number} num Input number
- */
-function digitLength(num) {
- // Get digit length of e
- const eSplit = num.toString().split(/[eE]/);
- const len = (eSplit[0].split('.')[1] || '').length - +(eSplit[1] || 0);
- return len > 0 ? len : 0;
-}
-
-/**
- * 鎶婂皬鏁拌浆鎴愭暣鏁�,濡傛灉鏄皬鏁板垯鏀惧ぇ鎴愭暣鏁�
- * @private
- * @param {*number} num 杈撳叆鏁�
- */
-function float2Fixed(num) {
- if (num.toString().indexOf('e') === -1) {
- return Number(num.toString().replace('.', ''));
- }
- const dLen = digitLength(num);
- return dLen > 0 ? strip(Number(num) * Math.pow(10, dLen)) : Number(num);
-}
-
-/**
- * 妫�娴嬫暟瀛楁槸鍚﹁秺鐣岋紝濡傛灉瓒婄晫缁欏嚭鎻愮ず
- * @private
- * @param {*number} num 杈撳叆鏁�
- */
-function checkBoundary(num) {
- if (_boundaryCheckingState) {
- if (num > Number.MAX_SAFE_INTEGER || num < Number.MIN_SAFE_INTEGER) {
- console.warn(`${num} 瓒呭嚭浜嗙簿搴﹂檺鍒讹紝缁撴灉鍙兘涓嶆纭甡);
- }
- }
-}
-
-/**
- * 鎶婇�掑綊鎿嶄綔鎵佸钩杩唬鍖�
- * @param {number[]} arr 瑕佹搷浣滅殑鏁板瓧鏁扮粍
- * @param {function} operation 杩唬鎿嶄綔
- * @private
- */
-function iteratorOperation(arr, operation) {
- const [num1, num2, ...others] = arr;
- let res = operation(num1, num2);
-
- others.forEach((num) => {
- res = operation(res, num);
- });
-
- return res;
-}
-
-/**
- * 楂樼簿搴︿箻娉�
- * @export
- */
-export function times(...nums) {
- if (nums.length > 2) {
- return iteratorOperation(nums, times);
- }
-
- const [num1, num2] = nums;
- const num1Changed = float2Fixed(num1);
- const num2Changed = float2Fixed(num2);
- const baseNum = digitLength(num1) + digitLength(num2);
- const leftValue = num1Changed * num2Changed;
-
- checkBoundary(leftValue);
-
- return leftValue / Math.pow(10, baseNum);
-}
-
-/**
- * 楂樼簿搴﹀姞娉�
- * @export
- */
-export function plus(...nums) {
- if (nums.length > 2) {
- return iteratorOperation(nums, plus);
- }
-
- const [num1, num2] = nums;
- // 鍙栨渶澶х殑灏忔暟浣�
- const baseNum = Math.pow(10, Math.max(digitLength(num1), digitLength(num2)));
- // 鎶婂皬鏁伴兘杞负鏁存暟鐒跺悗鍐嶈绠�
- return (times(num1, baseNum) + times(num2, baseNum)) / baseNum;
-}
-
-/**
- * 楂樼簿搴﹀噺娉�
- * @export
- */
-export function minus(...nums) {
- if (nums.length > 2) {
- return iteratorOperation(nums, minus);
- }
-
- const [num1, num2] = nums;
- const baseNum = Math.pow(10, Math.max(digitLength(num1), digitLength(num2)));
- return (times(num1, baseNum) - times(num2, baseNum)) / baseNum;
-}
-
-/**
- * 楂樼簿搴﹂櫎娉�
- * @export
- */
-export function divide(...nums) {
- if (nums.length > 2) {
- return iteratorOperation(nums, divide);
- }
-
- const [num1, num2] = nums;
- const num1Changed = float2Fixed(num1);
- const num2Changed = float2Fixed(num2);
- checkBoundary(num1Changed);
- checkBoundary(num2Changed);
- // 閲嶈锛岃繖閲屽繀椤荤敤strip杩涜淇
- return times(num1Changed / num2Changed, strip(Math.pow(10, digitLength(num2) - digitLength(num1))));
-}
-
-/**
- * 鍥涜垗浜斿叆
- * @export
- */
-export function round(num, ratio) {
- const base = Math.pow(10, ratio);
- let result = divide(Math.round(Math.abs(times(num, base))), base);
- if (num < 0 && result !== 0) {
- result = times(result, -1);
- }
- // 浣嶆暟涓嶈冻鍒欒ˉ0
- return result;
-}
-
-/**
- * 鏄惁杩涜杈圭晫妫�鏌ワ紝榛樿寮�鍚�
- * @param flag 鏍囪寮�鍏筹紝true 涓哄紑鍚紝false 涓哄叧闂紝榛樿涓� true
- * @export
- */
-export function enableBoundaryChecking(flag = true) {
- _boundaryCheckingState = flag;
-}
-
-
-export default {
- times,
- plus,
- minus,
- divide,
- round,
- enableBoundaryChecking,
-};
-
--
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