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优化 input 数字输入框的精度问题

pull/1307/head
贤心 2023-07-11 16:09:59 +08:00
parent b50f360c7e
commit 1ac8bba068
1 changed files with 10 additions and 5 deletions
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15
src/modules/form.js
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@ -277,10 +277,11 @@ layui.define(['lay', 'layer', 'util'], function(exports){
value: ['up', 'down'], value: ['up', 'down'],
split: true, split: true,
className: 'layui-input-number', className: 'layui-input-number',
disabled: disabled, // 跟随输入框禁用状态 disabled: othis.is('[disabled]'), // 跟随输入框禁用状态
click: function(elem){ click: function(elem){
var index = $(this).index(); var index = $(this).index();
var value = elem.val(); var value = elem.val();
var rawValue = value;
var step = Number(elem.attr('step')) || 1; // 加减的数字间隔 var step = Number(elem.attr('step')) || 1; // 加减的数字间隔
var min = Number(elem.attr('min')); var min = Number(elem.attr('min'));
var max = Number(elem.attr('max')); var max = Number(elem.attr('max'));
@ -294,11 +295,15 @@ layui.define(['lay', 'layer', 'util'], function(exports){
if(value < min) value = min; if(value < min) value = min;
if(value > max) value = max; if(value > max) value = max;
// 小数点后保留位数 // 获取小数点后位数
var fixed = function(step){ var decimals = function(step){
var decimals = (step.match(/\.(\d+$)/) || [])[1] || ''; var decimals = (step.toString().match(/\.(\d+$)/) || [])[1] || '';
return decimals.length; return decimals.length;
}(step.toString()); };
// 位数比较
var fixed = Math.max(decimals(step), decimals(rawValue));
if(fixed) value = value.toFixed(fixed); if(fixed) value = value.toFixed(fixed);
elem.val(value); elem.val(value);