【需求记录】【Vue】【ElementUi】限制输入框输入九位整数四位小数

ps：日常工作中遇到的需求，随手记录之~

<el-input v-model="inputVal" placeholder="请输入内容" type="number"></el-input>export default {data() {return {inputVal: "",};},watch: {inputVal(newVal, oldVal) {let reg = /^(\d{0,9})(\.(\d{0,4}))?$/g;if (!reg.test(newVal)) {if (newVal == "") {this.inputVal = "";return;}this.inputVal = oldVal;} else {this.inputVal = newVal;}},},
}