From 899c7476cfdcbf35f23c1e49e6582cdbc8cfdbeb Mon Sep 17 00:00:00 2001
From: chensiAb <chenchenco03@163.com>
Date: Mon, 13 Jan 2025 17:39:20 +0800
Subject: [PATCH] fix:千分位方法-表达式写法
---
common/Tools.js | 34 +++++++++++++++++++++++++++++++---
1 files changed, 31 insertions(+), 3 deletions(-)
diff --git a/common/Tools.js b/common/Tools.js
index 5625cfd..aa141f3 100644
--- a/common/Tools.js
+++ b/common/Tools.js
@@ -489,9 +489,9 @@
else if (num.indexOf('.') > -1) {
needThousand = num.split('.')[0].toString();
if (decimalFormat === 'keepTwo') {
- decimals = Number(num?.split('.')[1])?.toFixed(2)?.split('.')[1] || '';
+ decimals = Number(num).toFixed(2).split('.')[1] || '';
} else if (decimalFormat === 'keepThree') {
- decimals = Number(num?.split('.')[1])?.toFixed(3)?.split('.')[1] || '';
+ decimals = Number(num).toFixed(3).split('.')[1] || '';
}
}
// 计算整数位长度
@@ -506,7 +506,9 @@
let temp = '';
// 对整数取余
let remainder = len % 3;
- decimals ? (temp = '.' + decimals) : temp;
+ if (decimals) {
+ temp = '.' + decimals;
+ }
if (remainder > 0) {
// 不是3的整数倍
return (
@@ -652,6 +654,32 @@
}
};
}
+ /**
+ * 精确保留小数点几位数, 自动补零, 四舍五入
+ * 修复 toFixed 四舍六入五讨论的问题
+ * @param {Number|String} num 数值
+ * @param {Number} [digit=0] 小数点后位数
+ * @returns {String|NaN}
+ */
+ static accFixed(num, digit = 0) {
+ const number = parseFloat(num);
+ if (isNaN(number)) {
+ return NaN;
+ }
+ if (number >= 0) {
+ return (
+ Math.round((number + Number.EPSILON) * Math.pow(10, digit)) / Math.pow(10, digit)
+ ).toFixed(digit);
+ } else {
+ return (
+ '-' +
+ (
+ Math.round((Math.abs(number) + Number.EPSILON) * Math.pow(10, digit)) /
+ Math.pow(10, digit)
+ ).toFixed(digit)
+ );
+ }
+ }
}
// h5 中，实现 rem 转换 px
--
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