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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">
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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" @blur="_onBlur" class="uni-numbox__value" type="number" v-model="inputValue" />
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+ <view @click="_calcValue('plus')" class="uni-numbox__plus">
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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>
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+ export default {
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+ name: "UniNumberBox",
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+ props: {
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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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+ 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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+ data() {
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+ return {
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+ inputValue: 0
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+ };
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+ },
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+ watch: {
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+ value(val) {
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+ this.inputValue = +val;
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+ },
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+ inputValue(newVal, oldVal) {
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+ if (+newVal !== +oldVal) {
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+ this.$emit("change", newVal);
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+ }
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+ }
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+ },
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+ created() {
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+ this.inputValue = +this.value;
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+ },
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+ methods: {
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+ _calcValue(type) {
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+ if (this.disabled) {
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+ return;
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+ }
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+ const scale = this._getDecimalScale();
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+ let value = this.inputValue * scale;
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+ let step = this.step * scale;
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+ if (type === "minus") {
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+ value -= step;
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+ if (value < this.min) {
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+ return;
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+ }
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+ if(value > this.max){
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+ value = this.max
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+ }
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+ } else if (type === "plus") {
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+ value += step;
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+ if (value > this.max) {
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+ return;
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+ }
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+ if(value < this.min){
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+ value = this.min
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+ }
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+ }
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+
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+ this.inputValue = String(value / scale);
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+ this.$emit('input',this.inputValue)
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+ },
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+ _getDecimalScale() {
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+ let 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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+ _onBlur(event) {
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+ let value = event.detail.value;
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+ if (!value) {
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+ // this.inputValue = 0;
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+ return;
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+ }
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+ value = +value;
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+ if (value > this.max) {
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+ value = this.max;
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+ } else if (value < this.min) {
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+ value = this.min;
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+ }
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+ this.inputValue = value;
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+ this.$emit('input',this.inputValue)
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+ }
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+ }
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+ };
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+</script>
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+<style lang="scss" scoped>
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+ $box-height: 34px;
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+ /* #ifdef APP-NVUE */
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+ $box-line-height: 34px;
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+ /* #endif */
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+ $box-line-height: 26px;
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+ $box-width: 35px;
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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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+ height: $box-height;
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+ line-height: $box-height;
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+ width: 120px;
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+ }
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+
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+ .uni-numbox__value {
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+ background-color: $uni-bg-color;
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+ width: 40px;
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+ height: 33px;
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+ text-align: center;
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+ font-size: $uni-font-size-lg;
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+ border-width: 1rpx;
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+ border-style: solid;
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+ border-color: $uni-border-color;
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+ border-left-width: 0;
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+ border-right-width: 0;
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+ }
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+
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+ .uni-numbox__minus {
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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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+ width: $box-width;
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+ height: $box-height;
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+ // line-height: $box-line-height;
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+ // text-align: center;
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+ font-size: 20px;
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+ color: $uni-text-color;
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+ background-color: $uni-bg-color-grey;
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+ border-width: 1rpx;
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+ border-style: solid;
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+ border-color: $uni-border-color;
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+ border-top-left-radius: $uni-border-radius-base;
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+ border-bottom-left-radius: $uni-border-radius-base;
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+ border-right-width: 0;
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+ }
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+
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+ .uni-numbox__plus {
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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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+ width: $box-width;
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+ height: $box-height;
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+ border-width: 1rpx;
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+ border-style: solid;
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+ border-color: $uni-border-color;
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+ border-top-right-radius: $uni-border-radius-base;
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+ border-bottom-right-radius: $uni-border-radius-base;
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+ background-color: $uni-bg-color-grey;
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+ border-left-width: 0;
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+ }
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+
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+ .uni-numbox--text {
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+ font-size: 40rpx;
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+ color: $uni-text-color;
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+ }
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+
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+ .uni-numbox--disabled {
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+ color: $uni-text-color-disable;
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+ }
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+</style>
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