¶Ô±ÈÐÂÎļþ |
| | |
| | | <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 æ°åè¾å
¥æ¡ |
| | | * @description 带å åæé®çæ°åè¾å
¥æ¡ |
| | | * @tutorial https://ext.dcloud.net.cn/plugin?id=31 |
| | | * @property {Number} value è¾å
¥æ¡å½åå¼ |
| | | * @property {Number} min æå°å¼ |
| | | * @property {Number} max æå¤§å¼ |
| | | * @property {Number} step æ¯æ¬¡ç¹å»æ¹åçé´éå¤§å° |
| | | * @property {String} background èæ¯è² |
| | | * @property {String} color åä½é¢è²ï¼åæ¯è²ï¼ |
| | | * @property {Boolean} disabled = [true|false] æ¯å¦ä¸ºç¦ç¨ç¶æ |
| | | * @event {Function} change è¾å
¥æ¡å¼æ¹åæ¶è§¦åçäºä»¶ï¼åæ°ä¸ºè¾å
¥æ¡å½åç value |
| | | * @event {Function} focus è¾å
¥æ¡èç¦æ¶è§¦åçäºä»¶ï¼åæ°ä¸º event 对象 |
| | | * @event {Function} blur è¾å
¥æ¡å¤±ç¦æ¶è§¦åçäºä»¶ï¼åæ°ä¸º 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.$emit("change", +this.inputValue); |
| | | // TODO vue2 å
¼å®¹ |
| | | this.$emit("input", +this.inputValue); |
| | | // TODO vue3 å
¼å®¹ |
| | | this.$emit("update:modelValue", +this.inputValue); |
| | | }, |
| | | _getDecimalScale() { |
| | | |
| | | let scale = 1; |
| | | // æµ®ç¹å |
| | | if (~~this.step !== this.step) { |
| | | scale = Math.pow(10, String(this.step).split(".")[1].length); |
| | | } |
| | | return scale; |
| | | }, |
| | | _onBlur(event) { |
| | | this.$emit('blur', event) |
| | | let value = event.detail.value; |
| | | if (isNaN(value)) { |
| | | this.inputValue = this.min; |
| | | 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); |
| | | this.$emit("update:modelValue", +this.inputValue); |
| | | }, |
| | | _onFocus(event) { |
| | | this.$emit('focus', event) |
| | | } |
| | | } |
| | | }; |
| | | </script> |
| | | <style lang="scss" > |
| | | $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> |