在Vue中,要限制<input>类型为number的元素只能输入一位小数,你可以按照以下步骤进行操作: 在Vue模板中定义一个类型为number的input元素: 你可以直接在Vue模板中定义一个<input>,并设置其type属性为number。同时,可以给它一个v-model来绑定数据模型中的值。 html <input type="number" v-mode...
sizeheight of input boxstring- statusSet validation status'error' | 'warning'-3.3.0 stepThe number to which the current value is increased or decreased. It can be an integer or decimal.number|string1 stringModeSet value as string to support high precision decimals. Will return string value ...
computed: { formattedNumber() { if (this.number !== null) { return this.number.toLocaleString('en-CA', { style: 'decimal', minimumFractionDigits:
<input v-model.number="number" @input="limitDecimal($event)" placeholder="请输入数字"> <p>输入的数字:{{ number }}</p> </div> </template> <script> export default { data() { return { number: '' }; }, methods: { limitDecimal(event) { const value = event.target.value; if (!
this.inputNumberValue = Number(val).toString() }, formatDecimal (num, decimal) { num = num.toString() let index = num.indexOf('.') if (index !== -1) { num = num.substring(0, decimal + index + 1) } else { num = num.substring(0) ...
const numberInput= { bind(el, binding, vnode) { const ele = el.tagName === 'INPUT' ? el : el.querySelector('input') ele.addEventListener('input', onInput(el, ele, binding, vnode), false) }, } vue.directive('number-input', numberInput) ...
// 7 56, // 8 57, // 9 37, // left 39 // right ] } }, methods: { blur (e) { let val = this.inputNumberValue.toString() this.inputNumberValue = Number(val).toString() }, formatDecimal (num, decimal) { num = num.toString() let index = num.indexOf('.') if (index ...
oninput="value=value.replace(/[^0-9.]/g,'').replace(/^(\-)*(\d+)\.(\d\d).*$/,'$1$2.$3')" 代码语言:javascript 代码运行次数:0 运行 AI代码解释 html<input type="text"v-model="money"@input="inputNum">js<script>exportdefault{data(){return{money:''}},methods:{inputNum(ev...
function App() { const [value, setValue] = useState("0.0"); return ( <TextField type="number" value={value} variant="outlined" inputProps={{ maxLength: 13, step: "1" }} onChange={(e) => setValue(parseFloat(e.target.value).toFixed(1))} /> );} ...
v-input:type 这是一个扩展性指令,主要是方便用来限制一些输入框的输入要求。比如:只允许输入数字、只能输入数字和小数等等。 app.directive('input', { mounted(el, binding) { const _type = binding.arg ; const types = ['number', 'decimal', 'decimal_2', 'customize']; if(!_type || !types....