|
@@ -0,0 +1,220 @@
|
|
|
+<template>
|
|
|
+ <view class="uni-numbox">
|
|
|
+ <view @click="_calcValue('minus')" class="uni-numbox__minus uni-numbox-btns" :style="{background}">
|
|
|
+ <text class="uni-numbox--text" :class="{ 'uni-numbox--disabled': inputValue <= min || disabled }" :style="{color}">-</text>
|
|
|
+ </view>
|
|
|
+ <input :disabled="disabled" @focus="_onFocus" @blur="_onBlur" class="uni-numbox__value" type="number"
|
|
|
+ v-model="inputValue" :style="{background, color}" />
|
|
|
+ <view @click="_calcValue('plus')" class="uni-numbox__plus uni-numbox-btns" :style="{background}">
|
|
|
+ <text class="uni-numbox--text" :class="{ 'uni-numbox--disabled': inputValue >= max || disabled }" :style="{color}">+</text>
|
|
|
+ </view>
|
|
|
+ </view>
|
|
|
+</template>
|
|
|
+<script>
|
|
|
+ /**
|
|
|
+ * NumberBox 数字输入框
|
|
|
+ * @description 带加减按钮的数字输入框
|
|
|
+ * @tutorial https://ext.dcloud.net.cn/plugin?id=31
|
|
|
+ * @property {Number} value 输入框当前值
|
|
|
+ * @property {Number} min 最小值
|
|
|
+ * @property {Number} max 最大值
|
|
|
+ * @property {Number} step 每次点击改变的间隔大小
|
|
|
+ * @property {String} background 背景色
|
|
|
+ * @property {String} color 字体颜色(前景色)
|
|
|
+ * @property {Boolean} disabled = [true|false] 是否为禁用状态
|
|
|
+ * @event {Function} change 输入框值改变时触发的事件,参数为输入框当前的 value
|
|
|
+ * @event {Function} focus 输入框聚焦时触发的事件,参数为 event 对象
|
|
|
+ * @event {Function} blur 输入框失焦时触发的事件,参数为 event 对象
|
|
|
+ */
|
|
|
+
|
|
|
+ export default {
|
|
|
+ name: "UniNumberBox",
|
|
|
+ emits: ['change', 'input', 'update:modelValue', 'blur', 'focus'],
|
|
|
+ props: {
|
|
|
+ value: {
|
|
|
+ type: [Number, String],
|
|
|
+ default: 1
|
|
|
+ },
|
|
|
+ modelValue: {
|
|
|
+ type: [Number, String],
|
|
|
+ default: 1
|
|
|
+ },
|
|
|
+ min: {
|
|
|
+ type: Number,
|
|
|
+ default: 0
|
|
|
+ },
|
|
|
+ max: {
|
|
|
+ type: Number,
|
|
|
+ default: 100
|
|
|
+ },
|
|
|
+ step: {
|
|
|
+ type: Number,
|
|
|
+ default: 1
|
|
|
+ },
|
|
|
+ background: {
|
|
|
+ type: String,
|
|
|
+ default: '#f5f5f5'
|
|
|
+ },
|
|
|
+ color: {
|
|
|
+ type: String,
|
|
|
+ default: '#333'
|
|
|
+ },
|
|
|
+ disabled: {
|
|
|
+ type: Boolean,
|
|
|
+ default: false
|
|
|
+ }
|
|
|
+ },
|
|
|
+ data() {
|
|
|
+ return {
|
|
|
+ inputValue: 0
|
|
|
+ };
|
|
|
+ },
|
|
|
+ watch: {
|
|
|
+ value(val) {
|
|
|
+ this.inputValue = +val;
|
|
|
+ },
|
|
|
+ modelValue(val) {
|
|
|
+ this.inputValue = +val;
|
|
|
+ }
|
|
|
+ },
|
|
|
+ created() {
|
|
|
+ if (this.value === 1) {
|
|
|
+ this.inputValue = +this.modelValue;
|
|
|
+ }
|
|
|
+ if (this.modelValue === 1) {
|
|
|
+ this.inputValue = +this.value;
|
|
|
+ }
|
|
|
+ },
|
|
|
+ methods: {
|
|
|
+ _calcValue(type) {
|
|
|
+ if (this.disabled) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ const scale = this._getDecimalScale();
|
|
|
+ let value = this.inputValue * scale;
|
|
|
+ let step = this.step * scale;
|
|
|
+ if (type === "minus") {
|
|
|
+ value -= step;
|
|
|
+ if (value < (this.min * scale)) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ if (value > (this.max * scale)) {
|
|
|
+ value = this.max * scale
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (type === "plus") {
|
|
|
+ value += step;
|
|
|
+ if (value > (this.max * scale)) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ if (value < (this.min * scale)) {
|
|
|
+ value = this.min * scale
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ this.inputValue = (value / scale).toFixed(String(scale).length - 1);
|
|
|
+ this.$emit("change", +this.inputValue);
|
|
|
+ // TODO vue2 兼容
|
|
|
+ this.$emit("input", +this.inputValue);
|
|
|
+ // TODO vue3 兼容
|
|
|
+ this.$emit("update:modelValue", +this.inputValue);
|
|
|
+ },
|
|
|
+ _getDecimalScale() {
|
|
|
+
|
|
|
+ let scale = 1;
|
|
|
+ // 浮点型
|
|
|
+ if (~~this.step !== this.step) {
|
|
|
+ scale = Math.pow(10, String(this.step).split(".")[1].length);
|
|
|
+ }
|
|
|
+ return scale;
|
|
|
+ },
|
|
|
+ _onBlur(event) {
|
|
|
+ this.$emit('blur', event)
|
|
|
+ let value = event.detail.value;
|
|
|
+ if (!value) {
|
|
|
+ // this.inputValue = 0;
|
|
|
+ return;
|
|
|
+ }
|
|
|
+ value = +value;
|
|
|
+ if (value > this.max) {
|
|
|
+ value = this.max;
|
|
|
+ } else if (value < this.min) {
|
|
|
+ value = this.min;
|
|
|
+ }
|
|
|
+ const scale = this._getDecimalScale();
|
|
|
+ this.inputValue = value.toFixed(String(scale).length - 1);
|
|
|
+ this.$emit("change", +this.inputValue);
|
|
|
+ this.$emit("input", +this.inputValue);
|
|
|
+ },
|
|
|
+ _onFocus(event) {
|
|
|
+ this.$emit('focus', event)
|
|
|
+ }
|
|
|
+ }
|
|
|
+ };
|
|
|
+</script>
|
|
|
+<style lang="scss" scoped>
|
|
|
+ $box-height: 26px;
|
|
|
+ $bg: #f5f5f5;
|
|
|
+ $br: 2px;
|
|
|
+ $color: #333;
|
|
|
+
|
|
|
+ .uni-numbox {
|
|
|
+ /* #ifndef APP-NVUE */
|
|
|
+ display: flex;
|
|
|
+ /* #endif */
|
|
|
+ flex-direction: row;
|
|
|
+ }
|
|
|
+
|
|
|
+ .uni-numbox-btns {
|
|
|
+ /* #ifndef APP-NVUE */
|
|
|
+ display: flex;
|
|
|
+ /* #endif */
|
|
|
+ flex-direction: row;
|
|
|
+ align-items: center;
|
|
|
+ justify-content: center;
|
|
|
+ padding: 0 8px;
|
|
|
+ background-color: $bg;
|
|
|
+ /* #ifdef H5 */
|
|
|
+ cursor: pointer;
|
|
|
+ /* #endif */
|
|
|
+ }
|
|
|
+
|
|
|
+ .uni-numbox__value {
|
|
|
+ margin: 0 2px;
|
|
|
+ background-color: $bg;
|
|
|
+ width: 40px;
|
|
|
+ height: $box-height;
|
|
|
+ text-align: center;
|
|
|
+ font-size: 14px;
|
|
|
+ border-left-width: 0;
|
|
|
+ border-right-width: 0;
|
|
|
+ color: $color;
|
|
|
+ }
|
|
|
+
|
|
|
+ .uni-numbox__minus {
|
|
|
+ border-top-left-radius: $br;
|
|
|
+ border-bottom-left-radius: $br;
|
|
|
+ }
|
|
|
+
|
|
|
+ .uni-numbox__plus {
|
|
|
+ border-top-right-radius: $br;
|
|
|
+ border-bottom-right-radius: $br;
|
|
|
+ }
|
|
|
+
|
|
|
+ .uni-numbox--text {
|
|
|
+ // fix nvue
|
|
|
+ line-height: 20px;
|
|
|
+
|
|
|
+ font-size: 20px;
|
|
|
+ font-weight: 300;
|
|
|
+ color: $color;
|
|
|
+ }
|
|
|
+
|
|
|
+ .uni-numbox .uni-numbox--disabled {
|
|
|
+ color: #c0c0c0 !important;
|
|
|
+ /* #ifdef H5 */
|
|
|
+ cursor: not-allowed;
|
|
|
+ /* #endif */
|
|
|
+ }
|
|
|
+</style>
|