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 <>在util.js中定义方法
包含金额添加过滤千分位,验证金额格式等
const MoneyTest = /((^[1-9]\d*)|^0)(\.\d{0,2}){0,1}$/; // 金额添加千分位 const 
comdify = function (n) { if(!n) return n; let str = n.split('.'); let re = 
/\d{1,3}(?=(\d{3})+$)/g; let n1 = str[0].replace(re, "$&,"); return str.length 
> 1 && str[1] ? `${n1}.${str[1]}` : `${n1}.00`; }; //去除千分位中的‘,’ const 
delcommafy = function (num){ if(!num) return num; num = num.toString(); num = 
num.replace(/,/gi, ''); return num; }; const valdateFn = function (rule,val,cb) 
{ setTimeout(() => { if(val) { let inputVal = delcommafy(val); if 
(rule.test(inputVal)) { cb() } else { cb('只能是数字金额,最多两位小数') } } cb() }) } // 
验证金额数字可以为负数 const moneyValid = function (rule,val,cb) { 
valdateFn(/((^-?[1-9]\d*)|^-?0)(\.\d{0,2}){0,1}$/,val,cb); }; // 验证金额数字不可以为负数 
const moneyNValid = function (rule,val,cb) { valdateFn(MoneyTest,val,cb); }; // 
获取输入框的值 const getInputValue = function (el) { let inputVal = el.target.value || 
''; return comdify(delcommafy(inputVal)); }; 
 <>在组件中使用
在template中
<el-input v-model.trim="form.pastAdjustFee" 
@blur="inputMoney($event,'pastAdjustFee')"></el-input> 
在methods中定义
data(){ return { form:{ pastAdjustFee:'' } } } methods:{ inputMoney(el,name) { 
this.form[name] = getInputValue(el); } }