<input id="typeNumber" type="number" v-model="numberByType"> <label for="directiveNumber">使用自定义指令:</label> <input id="directiveNumber" v-only-numeric v-model="numberByDirective"> <label for="eventNumber">使用事件监听器:</label> <input id="eventNumber" @input="filterNumeric" v...
onlyInputNumber (event) { if (event.target.value === '') return event.target.value = onlyNumber(event.target.value) if (this.max !== '' && !isNaN(Number(this.max)) && (+event.target.value > +this.max)) { event.target.value = this.max } if (this.min !== '' && !isNaN(...
在这个例子中,通过@input事件监听输入框的变化,并在handleInput方法中通过正则表达式[^0-9]将非数字字符替换为空字符串,从而实现只允许输入数字的效果。 二、使用v-model修饰符 Vue提供了v-model.number修饰符,可以自动将输入值转换为数字类型,来确保输入框中只能输入数字。 <template> <div> <input type="text"...
<el-input @keyup.native="onlyNumber()" placeholder="请输入(整数或者小数)金额" v-model="form.ysje"></el-input> 方法:onlyNumber() { this.form.ysje = this.onlyNumOnePoint(this.form.ysje); }, onlyNumOnePoint(number_only) { //先把非数字的都替换掉,除了数字和小数点 number_only = n...
<input type="number" v-only-number={max:999,min:0,precision:2,noZero:true}> 1. 2. 3. 4. 5. export default { inserted(el, binding, vNode) { el.vDir = binding // vDir.value 有指令的参数 let content // 设置输入框的值,触发input事件,改变v-model绑定的值 ...
el.value = el.value.replace(/\D+/, ''); }; el.addEventListener('input', el.handler); }, unbind(el) { el.removeEventListener('input', el.handler); } } }, 组件写法: <Input v-model="row.Weight"v-number-onlyplaceholder="请输入流量分配" />...
//<input v-model="num" v-number-only /> Vue.directive('numberOnly', { bind: function () { this.handler = function () { this.el.value = this.el.value.replace(/\D+/, '') }.bind(this) this.el.addEventListener('input', this.handler) }, unbind: function () { this.el.removeEve...
<el-input clearable @keyup.native="onlyNumber()" v-model="amount_of_money" placeholder="请输入22金额" ></el-input> import { onlyNumOnePoint} from "@/utils/index"; methods: { onlyNumOnePoint, onlyNumber() { this.amount_of_money ...
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InputNumber Enter a number within certain range with the mouse or keyboard. When To Use# When a numeric value needs to be provided. Examples 当前值:3 Basic usage Numeric-only input box. TS Sizes There are three sizes available to a numeric input box. By default, the size is32px. The ...