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188 lines
8.7 KiB
188 lines
8.7 KiB
<template>
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<uni-shadow-root class="vant-stepper-index"><view class="van-stepper custom-class">
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<view v-if="showMinus" data-type="minus" :style="buttonStyle" :class="'minus-class '+(utils.bem('stepper__minus', { disabled: disabled || disableMinus || value <= min }))" hover-class="van-stepper__minus--hover" hover-stay-time="70" @click="onTap" @touchstart="onTouchStart" @touchend="onTouchEnd"></view>
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<input :type="integer ? 'number' : 'digit'" :class="'input-class '+(utils.bem('stepper__input', { disabled: disabled || disableInput }))" :style="inputStyle" :value="value" :focus="focus" :disabled="disabled || disableInput" @input="onInput" @focus="onFocus" @blur="onBlur"></input>
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<view v-if="showPlus" data-type="plus" :style="buttonStyle" :class="'plus-class '+(utils.bem('stepper__plus', { disabled: disabled || disablePlus || value >= max }))" hover-class="van-stepper__plus--hover" hover-stay-time="70" @click="onTap" @touchstart="onTouchStart" @touchend="onTouchEnd"></view>
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</view></uni-shadow-root>
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</template>
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<wxs src="../wxs/utils.wxs" module="utils"></wxs>
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<script>
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global['__wxRoute'] = 'vant/stepper/index'
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import { VantComponent } from '../common/component';
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import { addUnit, isDef } from '../common/utils';
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const LONG_PRESS_START_TIME = 600;
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const LONG_PRESS_INTERVAL = 200;
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// add num and avoid float number
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function add(num1, num2) {
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const cardinal = Math.pow(10, 10);
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return Math.round((num1 + num2) * cardinal) / cardinal;
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}
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VantComponent({
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field: true,
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classes: ['input-class', 'plus-class', 'minus-class'],
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props: {
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value: null,
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integer: Boolean,
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disabled: Boolean,
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inputWidth: null,
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buttonSize: null,
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asyncChange: Boolean,
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disableInput: Boolean,
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decimalLength: {
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type: Number,
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value: null
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},
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min: {
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type: null,
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value: 1
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},
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max: {
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type: null,
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value: Number.MAX_SAFE_INTEGER
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},
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step: {
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type: null,
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value: 1
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},
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showPlus: {
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type: Boolean,
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value: true
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},
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showMinus: {
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type: Boolean,
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value: true
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},
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disablePlus: Boolean,
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disableMinus: Boolean
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},
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watch: {
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value(value) {
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if (value === '') {
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return;
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}
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const newValue = this.range(value);
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if (typeof newValue === 'number' && +this.data.value !== newValue) {
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this.setData({ value: newValue });
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}
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},
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inputWidth() {
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this.set({
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inputStyle: this.computeInputStyle()
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});
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},
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buttonSize() {
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this.set({
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inputStyle: this.computeInputStyle(),
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buttonStyle: this.computeButtonStyle()
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});
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}
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},
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data: {
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focus: false,
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inputStyle: '',
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buttonStyle: ''
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},
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created() {
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this.setData({
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value: this.range(this.data.value)
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});
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},
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methods: {
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isDisabled(type) {
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if (type === 'plus') {
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return this.data.disabled || this.data.disablePlus || this.data.value >= this.data.max;
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}
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return this.data.disabled || this.data.disableMinus || this.data.value <= this.data.min;
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},
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onFocus(event) {
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this.$emit('focus', event.detail);
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},
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onBlur(event) {
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const value = this.range(this.data.value);
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this.triggerInput(value);
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this.$emit('blur', event.detail);
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},
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// limit value range
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range(value) {
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value = String(value).replace(/[^0-9.-]/g, '');
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// format range
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value = value === '' ? 0 : +value;
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value = Math.max(Math.min(this.data.max, value), this.data.min);
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// format decimal
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if (isDef(this.data.decimalLength)) {
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value = value.toFixed(this.data.decimalLength);
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}
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return value;
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},
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onInput(event) {
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const { value = '' } = event.detail || {};
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this.triggerInput(value);
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},
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onChange() {
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const { type } = this;
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if (this.isDisabled(type)) {
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this.$emit('overlimit', type);
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return;
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}
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const diff = type === 'minus' ? -this.data.step : +this.data.step;
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const value = add(+this.data.value, diff);
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this.triggerInput(this.range(value));
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this.$emit(type);
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},
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longPressStep() {
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this.longPressTimer = setTimeout(() => {
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this.onChange();
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this.longPressStep();
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}, LONG_PRESS_INTERVAL);
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},
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onTap(event) {
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const { type } = event.currentTarget.dataset;
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this.type = type;
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this.onChange();
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},
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onTouchStart(event) {
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clearTimeout(this.longPressTimer);
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const { type } = event.currentTarget.dataset;
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this.type = type;
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this.isLongPress = false;
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this.longPressTimer = setTimeout(() => {
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this.isLongPress = true;
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this.onChange();
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this.longPressStep();
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}, LONG_PRESS_START_TIME);
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},
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onTouchEnd() {
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clearTimeout(this.longPressTimer);
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},
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triggerInput(value) {
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this.setData({
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value: this.data.asyncChange ? this.data.value : value
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});
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this.$emit('change', value);
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},
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computeInputStyle() {
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let style = '';
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if (this.data.inputWidth) {
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style = `width: ${addUnit(this.data.inputWidth)};`;
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}
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if (this.data.buttonSize) {
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style += `height: ${addUnit(this.data.buttonSize)};`;
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}
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return style;
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},
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computeButtonStyle() {
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let style = '';
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const size = addUnit(this.data.buttonSize);
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if (this.data.buttonSize) {
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style = `width: ${size};height: ${size};`;
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}
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return style;
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}
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}
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});
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export default global['__wxComponents']['vant/stepper/index']
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</script>
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<style platform="mp-weixin">
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@import '../common/index.css';.van-stepper{font-size:0}.van-stepper__minus,.van-stepper__plus{position:relative;display:inline-block;box-sizing:border-box;margin:1px;vertical-align:middle;border:0;background-color:#f2f3f5;background-color:var(--stepper-background-color,#f2f3f5);color:#323233;color:var(--stepper-button-icon-color,#323233);width:28px;width:var(--stepper-input-height,28px);height:28px;height:var(--stepper-input-height,28px);padding:4px;padding:var(--padding-base,4px)}.van-stepper__minus:before,.van-stepper__plus:before{width:9px;height:1px}.van-stepper__minus:after,.van-stepper__plus:after{width:1px;height:9px}.van-stepper__minus:after,.van-stepper__minus:before,.van-stepper__plus:after,.van-stepper__plus:before{position:absolute;top:0;right:0;bottom:0;left:0;margin:auto;background-color:currentColor;content:""}.van-stepper__minus--hover,.van-stepper__plus--hover{background-color:#e8e8e8;background-color:var(--stepper-active-color,#e8e8e8)}.van-stepper__minus--disabled,.van-stepper__plus--disabled{color:#c8c9cc;color:var(--stepper-button-disabled-icon-color,#c8c9cc)}.van-stepper__minus--disabled,.van-stepper__minus--disabled.van-stepper__minus--hover,.van-stepper__minus--disabled.van-stepper__plus--hover,.van-stepper__plus--disabled,.van-stepper__plus--disabled.van-stepper__minus--hover,.van-stepper__plus--disabled.van-stepper__plus--hover{background-color:#f7f8fa;background-color:var(--stepper-button-disabled-color,#f7f8fa)}.van-stepper__minus{border-radius:4px 0 0 4px;border-radius:var(--stepper-border-radius,4px) 0 0 var(--stepper-border-radius,4px)}.van-stepper__minus:after{display:none}.van-stepper__plus{border-radius:0 4px 4px 0;border-radius:0 var(--stepper-border-radius,4px) var(--stepper-border-radius,4px) 0}.van-stepper__input{display:inline-block;box-sizing:border-box;min-height:0;margin:1px;padding:1px;text-align:center;vertical-align:middle;border:0;border-width:1px 0;border-radius:0;-webkit-appearance:none;font-size:14px;font-size:var(--stepper-input-font-size,14px);color:#323233;color:var(--stepper-input-text-color,#323233);background-color:#f2f3f5;background-color:var(--stepper-background-color,#f2f3f5);width:32px;width:var(--stepper-input-width,32px);height:28px;height:var(--stepper-input-height,28px)}.van-stepper__input--disabled{color:#c8c9cc;color:var(--stepper-input-disabled-text-color,#c8c9cc);background-color:#f2f3f5;background-color:var(--stepper-input-disabled-background-color,#f2f3f5)}
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</style>
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