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116 lines
3.3 KiB
Markdown
116 lines
3.3 KiB
Markdown
## Coupon
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### Install
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``` javascript
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import { CouponCell, CouponList } from 'vant';
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Vue.component(CouponCell.name, CouponCell);
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Vue.component(CouponList.name, CouponList);
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```
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### Usage
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#### Basic Usage
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```html
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<!-- 优惠券单元格 -->
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<van-coupon-cell
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:coupons="coupons"
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:chosenCoupon="chosenCoupon"
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@click="showList = true"
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/>
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<!-- 优惠券列表 -->
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<van-popup v-model="showList" position="bottom">
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<van-coupon-list
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:coupons="coupons"
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:chosenCoupon="chosenCoupon"
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:disabledCoupons="disabledCoupons"
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@change="onChange"
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@exchange="onExchange"
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/>
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</van-popup>
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```
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```javascript
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const coupon = {
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available: 1,
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discount: 0,
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denominations: 150,
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origin_condition: 0,
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reason: '',
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value: 150,
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condition: '下单立减 1.50 元',
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name: '新手专用优惠券',
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start_at: 1489104000,
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end_at: 1514592000
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};
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export default {
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data() {
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return {
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chosenCoupon: -1,
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coupons: [coupon],
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disabledCoupons: [coupon]
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}
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},
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methods: {
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onChange(index) {
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this.showList = false;
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this.chosenCoupon = index;
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},
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onExchange(code) {
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this.coupons.push(coupon);
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}
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}
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}
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```
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### CouponCell API
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| Attribute | Description | Type | Default | 必须 |
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|-----------|-----------|-----------|-------------|-------------|
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| title | 单元格标题 | `String` | `优惠` | - |
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| chosenCoupon | 当前选中优惠券的索引 | `Number` | `-1` | - |
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| coupons | 可用优惠券列表 | `Array` | `[]` | - |
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| editable | 能否切换优惠券 | `Boolean` | `true` | - |
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### CouponList API
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| Attribute | Description | Type | Default | 必须 |
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|-----------|-----------|-----------|-------------|-------------|
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| v-model | 是否展示优惠券列表 | `Boolean` | `false` | - |
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| chosenCoupon | 当前选中优惠券的索引 | `Number` | `-1` | - |
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| coupons | 可用优惠券列表 | `Array` | `[]` | - |
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| disabledCoupons | 不可用优惠券列表 | `Array` | `[]` | - |
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| exchangeButtonText | 兑换按钮文字 | `String` | `兑换` | - |
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| exchangeButtonDisabled | 是否禁用兑换按钮 | `Boolean` | `false` | - |
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| displayedCouponIndex | 滚动至特定优惠券位置 | `Number` | - | - |
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| closeButtonText | 列表底部按钮文字 | `String` | 不使用优惠 | - |
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| disabledListTitle | 不可用券列表标题 | `String` | 不可用优惠 | - |
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| inputPlaceholder | 输入框文字提示 | `String` | 请输入优惠码 | - |
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### CouponList Event
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| Event | Description | Attribute |
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|-----------|-----------|-----------|
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| change | 优惠券切换回调 | index, 选中优惠券的索引 |
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| exchange | 兑换优惠券回调 | code, 兑换码 |
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### Data Structure
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#### 优惠券字段说明
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| key | Description | Type |
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|-----------|-----------|-----------|
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| id | 优惠券 id | `String` |
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| name | 优惠券名称 | `String` |
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| available | 是否可用, 1:可用,0:不可用 | `Number` |
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| discount | 折扣（0为满减券）88=>8.8折 | `Number` |
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| denominations | 面值（0为折扣券）单位分 | `Number` |
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| origin_condition | 满减条件（0为无门槛，满XX元可用）单位分 | `Number` |
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| start_at | 卡有效开始时间 | `Number` |
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| end_at | 卡失效日期 | `Number` |
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| reason | 不可用原因 | `String` |
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| value | 订单优惠金额，单位分 | `Number` |
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| condition | 格式化输出 value | `String` |
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