feat: 规格变更单-新增&编辑-产品-发货日期 控制选择范围 得大于 订货日期

@@ -44,7 +44,7 @@
 
         <!-- 产品 -->
         <view class="section2">
-          <Product mode="add" :list="initPurchaseOrderLineList" @change="purchaseOrderLineListChange" />
+          <Product mode="add" :list="initPurchaseOrderLineList" @change="purchaseOrderLineListChange" :orderDate="form.orderDate" />
         </view>
 
         <view class="section">

@@ -43,7 +43,7 @@
 
         <!-- 产品 -->
         <view class="section2">
-          <Product mode="add" :list="initPurchaseOrderLineList" @change="purchaseOrderLineListChange" />
+          <Product mode="add" :list="initPurchaseOrderLineList" @change="purchaseOrderLineListChange" :orderDate="form.orderDate" />
         </view>
 
         <view class="section">

@@ -127,7 +127,7 @@
                         </uni-list-item>
                         <uni-list-item title="发货日期">
                             <template v-slot:footer>
-                                <uni-datetime-picker type="date" v-model="item.deliveryDate" />
+                                <uni-datetime-picker type="date" v-model="item.deliveryDate" :start="minDeliveryDate" @change="onDeliveryChange($event, item, idx)" />
                             </template>
                         </uni-list-item>
                         <uni-list-item title="考核超协">
@@ -211,7 +211,8 @@ export default {
         mode: { type: String, default: 'add' },
         list: { type: Array, default: () => [] },
         max: { type: Number, default: 8 },
-        totalQuantity: { type: Number, default: 0 }
+        totalQuantity: { type: Number, default: 0 },
+        orderDate: { type: String, default: '' }
     },
     data() {
         return {
@@ -219,7 +220,22 @@ export default {
             collapsedView: false,
         }
     },
-    computed: {
+     computed: {
+        minDeliveryDate() {
+            const s = this.orderDate
+            if (!s) return ''
+            const parts = String(s).split('-')
+            const y = Number(parts[0])
+            const m = Number(parts[1])
+            const d = Number(parts[2])
+            if (!y || !m || !d) return ''
+            const dt = new Date(y, m - 1, d)
+            dt.setDate(dt.getDate() + 1)
+            const yy = dt.getFullYear()
+            const mm = String(dt.getMonth() + 1).padStart(2, '0')
+            const dd = String(dt.getDate()).padStart(2, '0')
+            return `${yy}/${mm}/${dd}`
+        }
     },
     watch: {
         items: {
@@ -327,6 +343,29 @@ export default {
         },
         toggleViewCollapse() {
             this.collapsedView = !this.collapsedView
+        },
+        onDeliveryChange(e, item, idx) {
+            const getStr = (x) => {
+                if (x && x.detail && x.detail.value !== undefined) return x.detail.value
+                if (typeof x === 'string') return x
+                return item && item.deliveryDate ? item.deliveryDate : ''
+            }
+            const val = getStr(e)
+            if (!val || !this.orderDate) return
+            const parse = (s) => {
+                const p = String(s).replace(/\//g, '-').split('-')
+                const y = Number(p[0])
+                const m = Number(p[1])
+                const d = Number(p[2])
+                return new Date(y, m - 1, d)
+            }
+            const sel = parse(val)
+            const ord = parse(this.orderDate)
+            if (!(sel > ord)) {
+                item.deliveryDate = ''
+                this.$set(this.items, idx, { ...item })
+                uni.showToast({ title: '发货日期必须大于订货日期', icon: 'none' })
+            }
         }
     }
 }