7 changed files with 340 additions and 90 deletions
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<template> |
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<view class="uni-numbox"> |
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<view @click="_calcValue('minus')" class="uni-numbox__minus uni-numbox-btns" :style="{ background }"> |
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<text class="uni-numbox--text" :class="{ 'uni-numbox--disabled': inputValue <= min || disabled }">-</text> |
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</view> |
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<input :disabled="disabled" @input="onKeyInput" @blur="_onBlur" class="uni-numbox__value" type="number" v-model="inputValue" /> |
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<view @click="_calcValue('plus')" class="uni-numbox__plus uni-numbox-btns" :style="{ background }"> |
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<text class="uni-numbox--text" :class="{ 'uni-numbox--disabled': inputValue >= max || disabled }">+</text> |
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</view> |
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</view> |
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</template> |
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<script setup lang="ts"> |
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import { onMounted, nextTick, watch } from 'vue' |
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|
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// name: "UniNumberBox" |
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|
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const props = defineProps({ |
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value: { |
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type: [Number, String], |
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default: 1 |
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}, |
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min: { |
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type: Number, |
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default: 0 |
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}, |
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max: { |
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type: Number, |
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default: 100 |
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}, |
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step: { |
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type: Number, |
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default: 1 |
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}, |
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background: { |
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type: String, |
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default: '#f5f5f5' |
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}, |
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disabled: { |
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type: Boolean, |
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default: false |
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} |
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}) |
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const inputValue = ref(0) |
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watch( |
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() => inputValue.value, |
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(newVal, oldVa) => { |
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if (+newVal !== +oldVal) { |
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emit('change', newVal) |
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} |
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}, |
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{ |
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immediate: true, |
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deep: true |
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} |
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) |
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onMounted(() => { |
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inputValue.value = +props.value |
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}) |
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|
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const setValue = (val) => { |
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inputValue.value = val |
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} |
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// 输入框实时获取输入内容 |
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const onKeyInput = (event) => { |
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// console.log( event.detail.value) |
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const hint = event.detail.value |
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if (!Number.isInteger(hint)) { |
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// 如果不是整数，则设置为上一个有效值 |
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const temp = hint.toString().match(/^\d+/) |
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if (Array.isArray(temp)) { |
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inputValue.value = temp[0] |
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} else { |
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inputValue.value = temp |
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} |
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|
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// this.inputValue = hint.toString().match(/^\d+/) || 0; |
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} else { |
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// 如果是整数，则更新数据 |
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inputValue.value = hint |
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} |
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} |
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// 加、减操作(minus:减;plus:加) |
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const _calcValue = (type) => { |
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if (this.disabled) { |
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return |
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} |
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const scale = _getDecimalScale() |
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let value = inputValue.value * scale |
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const step = props.step * scale |
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if (type === 'minus') { |
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value -= step |
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if (value < props.min * scale) { |
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return |
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} |
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if (value > props.max * scale) { |
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value = props.max * scale |
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} |
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} else if (type === 'plus') { |
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value += step |
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if (value > props.max * scale) { |
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return |
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} |
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if (value < props.min * scale) { |
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value = props.min * scale |
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} |
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} |
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if (`${value}`.length > 5) { |
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value = value.toFixed(0) // toFixed保留小数点位数方法 |
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} |
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inputValue.value = String(value / scale) |
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} |
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const _getDecimalScale = () => { |
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const scale = 1 |
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// 浮点型 |
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// if (~~this.step !== this.step) { |
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// scale = Math.pow(10, (this.step + "").split(".")[1].length); |
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// } |
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return scale |
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} |
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const onBlur = (event) => { |
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let { value } = event.detail |
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if (!value) { |
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return |
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} |
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value = +value |
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if (value > props.max) { |
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value = props.max |
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} else if (value < props.min) { |
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value = props.min |
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} |
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inputValue.value = value |
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/* 小数点后保留四位 */ |
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// if (value > 0) { |
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|
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// event.detail.value =parseFloat(event.detail.value).toFixed(0) |
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// } else { |
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// event.detail.value =-parseFloat(event.detail.value).toFixed(0) |
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// } |
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// 重新赋值给input |
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nextTick(() => { |
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inputValue.value = event.detail.value |
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}) |
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} |
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// 传递给父类 |
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const emit = defineEmits(['change', 'confirm']) |
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</script> |
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<style lang="scss" scoped> |
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$box-height: 26px; |
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$bg: #f5f5f5; |
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$br: 2px; |
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$color: #333; |
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|
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.uni-numbox { |
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/* #ifndef APP-NVUE */ |
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display: flex; |
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/* #endif */ |
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flex-direction: row; |
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} |
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|
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.uni-numbox-btns { |
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/* #ifndef APP-NVUE */ |
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display: flex; |
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/* #endif */ |
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flex-direction: row; |
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align-items: center; |
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justify-content: center; |
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padding: 0 8px; |
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background-color: $bg; |
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/* #ifdef H5 */ |
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cursor: pointer; |
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/* #endif */ |
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} |
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|
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.uni-numbox__value { |
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margin: 0 2px; |
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background-color: $bg; |
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width: 100px; |
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height: $box-height; |
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text-align: center; |
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font-size: 14px; |
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border-left-width: 0; |
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border-right-width: 0; |
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color: $color; |
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} |
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|
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.uni-numbox__minus { |
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border-top-left-radius: $br; |
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border-bottom-left-radius: $br; |
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width: 64rpx; |
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} |
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|
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.uni-numbox__plus { |
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border-top-right-radius: $br; |
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border-bottom-right-radius: $br; |
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width: 64rpx; |
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} |
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|
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.uni-numbox--text { |
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// fix nvue |
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line-height: 20px; |
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|
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font-size: 20px; |
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font-weight: 300; |
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color: $color; |
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} |
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|
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.uni-numbox .uni-numbox--disabled { |
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color: #c0c0c0 !important; |
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/* #ifdef H5 */ |
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cursor: not-allowed; |
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/* #endif */ |
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} |
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</style> |
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