html:
<el-input v-model="inputTable.amount" @input="formatNum(form.amount, 'amount')" ></el-input>
js:
formatNum(val, key) { let temp = val.toString(); temp = temp.replace(/。/g, "."); temp = temp.replace(/[^\d.]/g, ""); //清除"数字"和"."以外的字符 temp = temp.replace(/^\./g, ""); //验证第一个字符是数字 temp = temp.replace(/\.{2,}/g, ""); //只保留第一个, 清除多余的 temp = temp.replace(".", "$#$").replace(/\./g, "").replace("$#$", "."); temp = temp.replace(/^(\-)*(\d+)\.(\d\d).*$/, "$1$2.$3"); //只能输入两个小数 this.form[key] = temp; },
InputNumber 计数器
组件 | Element
precision配精度为两位小数
<el-input-number v-model="num" :precision="2"></el-input-number>