2 changed files with 1878 additions and 0 deletions
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1404src/components/vk-data-goods-sku-popup/vk-data-goods-sku-popup.vue
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474src/components/vk-data-input-number-box/vk-data-input-number-box.vue
1404
src/components/vk-data-goods-sku-popup/vk-data-goods-sku-popup.vue
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<!-- 步进器 --> |
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<template> |
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<view class="vk-data-input-number-box"> |
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<view |
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class="u-icon-minus" |
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:class="{ 'u-icon-disabled': disabled || inputVal <= min }" |
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:style="{ |
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background: bgColor, |
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height: inputHeight + 'rpx', |
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color: color, |
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fontSize: size + 'rpx', |
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minHeight: '1.4em', |
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}" |
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@click="emptyClick" |
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@touchstart.prevent="btnTouchStart('minus')" |
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@touchend.stop.prevent="clearTimer" |
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> |
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<view :style="'font-size:' + (Number(size) + 10) + 'rpx'" class="num-btn">-</view> |
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</view> |
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<input |
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v-model="inputVal" |
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:disabled="disabledInput || disabled" |
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:cursor-spacing="getCursorSpacing" |
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:class="{ 'u-input-disabled': disabled }" |
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class="u-number-input" |
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type="number" |
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:style="{ |
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color: color, |
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fontSize: size + 'rpx', |
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background: bgColor, |
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height: inputHeight + 'rpx', |
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width: inputWidth + 'rpx', |
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}" |
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@blur="onBlur" |
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@click="showInput = true" |
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/> |
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<view |
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class="u-icon-plus" |
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:class="{ 'u-icon-disabled': disabled || inputVal >= max }" |
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:style="{ |
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background: bgColor, |
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height: inputHeight + 'rpx', |
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color: color, |
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fontSize: size + 'rpx', |
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minHeight: '1.4em', |
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}" |
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@click="emptyClick" |
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@touchstart.prevent="btnTouchStart('plus')" |
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@touchend.stop.prevent="clearTimer" |
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> |
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<view :style="'font-size:' + (Number(size) + 10) + 'rpx'" class="num-btn">+</view> |
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</view> |
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</view> |
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</template> |
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<script> |
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/* eslint-disable */ |
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/** |
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* numberBox 步进器(此为uview组件改造) |
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* @description 该组件一般用于商城购物选择物品数量的场景。注意:该输入框只能输入大于或等于0的整数,不支持小数输入 |
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* @tutorial https://www.uviewui.com/components/numberBox.html |
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* @property {Number} value 输入框初始值(默认1) |
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* @property {String} bg-color 输入框和按钮的背景颜色(默认#F2F3F5) |
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* @property {Number} min 用户可输入的最小值(默认0) |
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* @property {Number} max 用户可输入的最大值(默认99999) |
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* @property {Number} step 步长,每次加或减的值(默认1) |
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* @property {Number} stepFirst 步进值,首次增加或最后减的值(默认step值和一致) |
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* @property {Boolean} disabled 是否禁用操作,禁用后无法加减或手动修改输入框的值(默认false) |
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* @property {Boolean} disabled-input 是否禁止输入框手动输入值(默认false) |
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* @property {Boolean} positive-integer 是否只能输入正整数(默认true) |
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* @property {String | Number} size 输入框文字和按钮字体大小,单位rpx(默认26) |
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* @property {String} color 输入框文字和加减按钮图标的颜色(默认#323233) |
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* @property {String | Number} input-width 输入框宽度,单位rpx(默认80) |
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* @property {String | Number} input-height 输入框和按钮的高度,单位rpx(默认50) |
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* @property {String | Number} index 事件回调时用以区分当前发生变化的是哪个输入框 |
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* @property {Boolean} long-press 是否开启长按连续递增或递减(默认true) |
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* @property {String | Number} press-time 开启长按触发后,每触发一次需要多久,单位ms(默认250) |
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* @property {String | Number} cursor-spacing 指定光标于键盘的距离,避免键盘遮挡输入框,单位rpx(默认200) |
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* @event {Function} change 输入框内容发生变化时触发,对象形式 |
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* @event {Function} blur 输入框失去焦点时触发,对象形式 |
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* @event {Function} minus 点击减少按钮时触发(按钮可点击情况下),对象形式 |
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* @event {Function} plus 点击增加按钮时触发(按钮可点击情况下),对象形式 |
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* @example <vk-data-input-number-box :min="1" :max="100"></vk-data-input-number-box> |
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*/ |
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export default { |
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name: 'vk-data-input-number-box', |
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emits: ['update:modelValue', 'input', 'change', 'blur', 'plus', 'minus'], |
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props: { |
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// 预显示的数字 |
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value: { |
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type: Number, |
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default: 1 |
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}, |
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modelValue: { |
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type: Number, |
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default: 1 |
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}, |
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// 背景颜色 |
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bgColor: { |
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type: String, |
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default: '#FFFFFF' |
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}, |
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// 最小值 |
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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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// 最大值 |
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max: { |
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type: Number, |
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default: 99999 |
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}, |
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// 步进值,每次加或减的值 |
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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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// 步进值,首次增加或最后减的值 |
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stepFirst: { |
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type: Number, |
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default: 0 |
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}, |
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// 是否只能输入 step 的倍数 |
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stepStrictly: { |
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type: Boolean, |
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default: false |
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}, |
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// 是否禁用加减操作 |
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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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// input的字体大小,单位rpx |
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size: { |
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type: [Number, String], |
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default: 26 |
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}, |
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// 加减图标的颜色 |
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color: { |
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type: String, |
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default: '#323233' |
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}, |
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// input宽度,单位rpx |
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inputWidth: { |
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type: [Number, String], |
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default: 80 |
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}, |
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// input高度,单位rpx |
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inputHeight: { |
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type: [Number, String], |
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default: 50 |
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}, |
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// index索引,用于列表中使用,让用户知道是哪个numberbox发生了变化,一般使用for循环出来的index值即可 |
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index: { |
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type: [Number, String], |
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default: '' |
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}, |
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// 是否禁用输入框,与disabled作用于输入框时,为OR的关系,即想要禁用输入框,又可以加减的话 |
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// 设置disabled为false,disabledInput为true即可 |
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disabledInput: { |
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type: Boolean, |
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default: false |
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}, |
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// 输入框于键盘之间的距离 |
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cursorSpacing: { |
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type: [Number, String], |
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default: 100 |
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}, |
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// 是否开启长按连续递增或递减 |
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longPress: { |
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type: Boolean, |
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default: true |
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}, |
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// 开启长按触发后,每触发一次需要多久 |
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pressTime: { |
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type: [Number, String], |
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default: 250 |
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}, |
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// 是否只能输入大于或等于0的整数(正整数) |
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positiveInteger: { |
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type: Boolean, |
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default: true |
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} |
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}, |
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watch: { |
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valueCom(v1, v2) { |
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// 只有value的改变是来自外部的时候,才去同步inputVal的值,否则会造成循环错误 |
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if (!this.changeFromInner) { |
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this.inputVal = v1; |
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// 因为inputVal变化后,会触发this.handleChange(),在其中changeFromInner会再次被设置为true, |
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// 造成外面修改值,也导致被认为是内部修改的混乱,这里进行this.$nextTick延时,保证在运行周期的最后处 |
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// 将changeFromInner设置为false |
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this.$nextTick(function() { |
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this.changeFromInner = false; |
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}); |
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} |
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}, |
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inputVal(v1, v2) { |
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// 为了让用户能够删除所有输入值,重新输入内容,删除所有值后,内容为空字符串 |
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if (v1 == '') return; |
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let value = 0; |
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// 首先判断是否数值,并且在min和max之间,如果不是,使用原来值 |
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let tmp = this.isNumber(v1); |
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if (tmp && v1 >= this.min && v1 <= this.max) value = v1; |
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else value = v2; |
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// 判断是否只能输入大于等于0的整数 |
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if (this.positiveInteger) { |
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// 小于0,或者带有小数点, |
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if (v1 < 0 || String(v1).indexOf('.') !== -1) { |
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value = v2; |
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// 双向绑定input的值,必须要使用$nextTick修改显示的值 |
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this.$nextTick(() => { |
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this.inputVal = v2; |
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}); |
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} |
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} |
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// 发出change事件 |
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this.handleChange(value, 'change'); |
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}, |
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min(v1) { |
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if (v1 !== undefined && v1 != '' && this.valueCom < v1) { |
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this.$emit('input', v1); |
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this.$emit('update:modelValue', v1); |
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} |
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}, |
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max(v1) { |
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if (v1 !== undefined && v1 != '' && this.valueCom > v1) { |
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this.$emit('input', v1); |
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this.$emit('update:modelValue', v1); |
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} |
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} |
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}, |
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data() { |
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return { |
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inputVal: 1, // 输入框中的值,不能直接使用props中的value,因为应该改变props的状态 |
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timer: null, // 用作长按的定时器 |
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changeFromInner: false, // 值发生变化,是来自内部还是外部 |
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innerChangeTimer: null ,// 内部定时器 |
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showInput:false, |
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}; |
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}, |
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created() { |
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this.inputVal = Number(this.valueCom); |
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}, |
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computed: { |
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valueCom() { |
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// #ifndef VUE3 |
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return this.value; |
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// #endif |
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|
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// #ifdef VUE3 |
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return this.modelValue; |
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// #endif |
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}, |
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getCursorSpacing() { |
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// 先将值转为px单位,再转为数值 |
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return Number(uni.upx2px(this.cursorSpacing)); |
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} |
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}, |
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methods: { |
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// 空点击事件,主要用于解决PC端H5由于无click事件导致触摸位置不准确的问题 |
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emptyClick(){ |
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}, |
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// 触摸事件开始 |
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btnTouchStart(callback) { |
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// 先执行一遍方法,否则会造成松开手时,就执行了clearTimer,导致无法实现功能 |
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this[callback](); |
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// 如果没开启长按功能,直接返回 |
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if (!this.longPress) return; |
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clearInterval(this.timer); //再次清空定时器,防止重复注册定时器 |
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this.timer = null; |
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this.timer = setInterval(() => { |
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// 执行加或减函数 |
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this[callback](); |
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}, this.pressTime); |
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}, |
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// 清除定时器 |
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clearTimer() { |
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this.$nextTick(() => { |
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clearInterval(this.timer); |
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this.timer = null; |
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}); |
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}, |
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// 减 |
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minus() { |
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this.computeVal('minus'); |
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}, |
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// 加 |
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plus() { |
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this.computeVal('plus'); |
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}, |
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// 为了保证小数相加减出现精度溢出的问题 |
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calcPlus(num1, num2) { |
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let baseNum, baseNum1, baseNum2; |
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try { |
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baseNum1 = num1.toString().split('.')[1].length; |
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} catch (e) { |
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baseNum1 = 0; |
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} |
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try { |
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baseNum2 = num2.toString().split('.')[1].length; |
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} catch (e) { |
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baseNum2 = 0; |
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} |
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baseNum = Math.pow(10, Math.max(baseNum1, baseNum2)); |
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let precision = baseNum1 >= baseNum2 ? baseNum1 : baseNum2; //精度 |
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return ((num1 * baseNum + num2 * baseNum) / baseNum).toFixed(precision); |
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}, |
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// 为了保证小数相加减出现精度溢出的问题 |
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calcMinus(num1, num2) { |
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let baseNum, baseNum1, baseNum2; |
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try { |
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baseNum1 = num1.toString().split('.')[1].length; |
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} catch (e) { |
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baseNum1 = 0; |
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} |
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try { |
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baseNum2 = num2.toString().split('.')[1].length; |
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} catch (e) { |
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baseNum2 = 0; |
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} |
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baseNum = Math.pow(10, Math.max(baseNum1, baseNum2)); |
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let precision = baseNum1 >= baseNum2 ? baseNum1 : baseNum2; |
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return ((num1 * baseNum - num2 * baseNum) / baseNum).toFixed(precision); |
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}, |
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computeVal(type) { |
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uni.hideKeyboard(); |
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if (this.disabled) return; |
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let value = 0; |
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// 新增stepFirst开始 |
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// 减 |
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if (type === 'minus') { |
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if (this.stepFirst > 0 && this.inputVal == this.stepFirst) { |
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value = this.min; |
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} else { |
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value = this.calcMinus(this.inputVal, this.step); |
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} |
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} else if (type === 'plus') { |
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if (this.stepFirst > 0 && this.inputVal < this.stepFirst) { |
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value = this.stepFirst; |
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} else { |
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value = this.calcPlus(this.inputVal, this.step); |
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} |
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} |
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if (this.stepStrictly) { |
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let strictly = value % this.step; |
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if (strictly > 0) { |
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value -= strictly; |
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} |
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} |
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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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// 新增stepFirst结束 |
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this.inputVal = value; |
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this.handleChange(value, type); |
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}, |
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// 处理用户手动输入的情况 |
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onBlur(event) { |
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let val = 0; |
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let value = event.detail.value; |
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// 如果为非0-9数字组成,或者其第一位数值为0,直接让其等于min值 |
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// 这里不直接判断是否正整数,是因为用户传递的props min值可能为0 |
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if (!/(^\d+$)/.test(value) || value[0] == 0) val = this.min; |
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val = +value; |
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|
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// 新增stepFirst开始 |
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if (this.stepFirst > 0 && this.inputVal < this.stepFirst && this.inputVal > 0) { |
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val = this.stepFirst; |
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} |
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// 新增stepFirst结束 |
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if (this.stepStrictly) { |
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let strictly = val % this.step; |
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if (strictly > 0) { |
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val -= strictly; |
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} |
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} |
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if (val > this.max) { |
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val = this.max; |
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} else if (val < this.min) { |
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val = this.min; |
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} |
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this.$nextTick(() => { |
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this.inputVal = val; |
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}); |
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this.handleChange(val, 'blur'); |
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}, |
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handleChange(value, type) { |
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if (this.disabled) return; |
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// 清除定时器,避免造成混乱 |
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if (this.innerChangeTimer) { |
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clearTimeout(this.innerChangeTimer); |
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this.innerChangeTimer = null; |
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} |
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// 发出input事件,修改通过v-model绑定的值,达到双向绑定的效果 |
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this.changeFromInner = true; |
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|
// 一定时间内,清除changeFromInner标记,否则内部值改变后 |
||||
|
// 外部通过程序修改value值,将会无效 |
||||
|
this.innerChangeTimer = setTimeout(() => { |
||||
|
this.changeFromInner = false; |
||||
|
}, 150); |
||||
|
this.$emit('input', Number(value)); |
||||
|
this.$emit('update:modelValue', Number(value)); |
||||
|
this.$emit(type, { |
||||
|
// 转为Number类型 |
||||
|
value: Number(value), |
||||
|
index: this.index |
||||
|
}); |
||||
|
}, |
||||
|
/** |
||||
|
* 验证十进制数字 |
||||
|
*/ |
||||
|
isNumber(value) { |
||||
|
return /^(?:-?\d+|-?\d{1,3}(?:,\d{3})+)?(?:\.\d+)?$/.test(value); |
||||
|
} |
||||
|
} |
||||
|
}; |
||||
|
</script> |
||||
|
|
||||
|
<style lang="scss" scoped> |
||||
|
.vk-data-input-number-box { |
||||
|
display: inline-flex; |
||||
|
align-items: center; |
||||
|
box-sizing: border-box; |
||||
|
} |
||||
|
|
||||
|
.u-number-input { |
||||
|
position: relative; |
||||
|
text-align: center; |
||||
|
padding: 0; |
||||
|
margin: 0rpx; |
||||
|
display: flex; |
||||
|
align-items: center; |
||||
|
justify-content: center; |
||||
|
border: 2rpx solid #f4f4f4; |
||||
|
border-left: 0; |
||||
|
border-right: 0; |
||||
|
box-sizing: border-box; |
||||
|
} |
||||
|
|
||||
|
.u-icon-plus, |
||||
|
.u-icon-minus { |
||||
|
width: 60rpx; |
||||
|
display: flex; |
||||
|
justify-content: center; |
||||
|
align-items: center; |
||||
|
border: 2rpx solid #f4f4f4; |
||||
|
box-sizing: border-box; |
||||
|
} |
||||
|
|
||||
|
.u-icon-plus { |
||||
|
border-radius: 0 8rpx 8rpx 0; |
||||
|
} |
||||
|
|
||||
|
.u-icon-minus { |
||||
|
border-radius: 8rpx 0 0 8rpx; |
||||
|
} |
||||
|
|
||||
|
.u-icon-disabled { |
||||
|
color: #c8c9cc !important; |
||||
|
background-color: #f2f3f5 !important; |
||||
|
} |
||||
|
|
||||
|
.u-input-disabled { |
||||
|
color: #c8c9cc !important; |
||||
|
background-color: #f2f3f5 !important; |
||||
|
} |
||||
|
.num-btn { |
||||
|
font-weight: 550; |
||||
|
line-height: 50rpx; |
||||
|
} |
||||
|
</style> |
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