feat: 入库页面改为先选种类->商品->弹窗填数量，支持多商品批量入库

src/pages/stock/in.vue

@@ -1,45 +1,121 @@
 <template>
-  <view class="stock-in">
-    <view class="form">
-      <view class="form-item">
-        <text class="label">商品</text>
-        <picker 
-          mode="selector" 
-          :range="productList" 
-          range-key="name" 
-          @change="onProductChange"
+  <view class="page">
+    <!-- 分类 + 商品列表 -->
+    <view class="content-wrapper">
+      <!-- 左侧分类 -->
+      <scroll-view scroll-y class="category-sidebar">
+        <view 
+          class="category-item" 
+          :class="{ active: !categoryId }" 
+          @click="selectCategory('')"
         >
-          <view class="picker">
-            {{ selectedProduct ? selectedProduct.name : '请选择商品' }}
+          全部
+        </view>
+        <view 
+          v-for="cat in categories" 
+          :key="cat.categoryId" 
+          class="category-item" 
+          :class="{ active: categoryId === cat.categoryId }" 
+          @click="selectCategory(cat.categoryId)"
+        >
+          {{ cat.name }}
+        </view>
+      </scroll-view>
+
+      <!-- 右侧商品列表 -->
+      <scroll-view scroll-y class="product-scroll">
+        <view class="product-list">
+          <view 
+            v-for="item in productList" 
+            :key="item.productId" 
+            class="product-item" 
+            @click="openQuantityPopup(item)"
+          >
+            <view class="product-info">
+              <text class="product-name">{{ item.name }}</text>
+              <text class="product-spec">{{ item.spec || '-' }}</text>
+            </view>
+            <view class="product-add">
+              <text class="add-icon">+</text>
+            </view>
           </view>
-        </picker>
-      </view>
           
-      <view class="form-item">
-        <text class="label">入库数量</text>
-        <input 
-          class="input" 
-          v-model="quantity" 
-          type="number" 
-          placeholder="请输入数量" 
-        />
-      </view>
-
-      <view class="form-item">
-        <text class="label">备注</text>
-        <input 
-          class="input" 
-          v-model="remark" 
-          placeholder="可选填写" 
-        />
-      </view>
+          <view v-if="productList.length === 0" class="empty">
+            <text class="empty-icon">📭</text>
+            <text class="empty-text">暂无商品</text>
+          </view>
+        </view>
+      </scroll-view>
     </view>
 
-    <view class="btn-area">
+    <!-- 已添加商品列表 -->
+    <view class="selected-section" v-if="selectedItems.length > 0">
+      <view class="selected-header">
+        <text class="selected-title">已选择商品</text>
+        <text class="selected-count">{{ selectedItems.length }} 项</text>
+      </view>
+      <scroll-view scroll-x class="selected-list">
+        <view 
+          v-for="(item, index) in selectedItems" 
+          :key="index" 
+          class="selected-item"
+        >
+          <view class="selected-info">
+            <text class="selected-name">{{ item.productName }}</text>
+            <text class="selected-qty">× {{ item.quantity }}</text>
+          </view>
+          <text class="selected-delete" @click="removeItem(index)">×</text>
+        </view>
+      </scroll-view>
+    </view>
+
+    <!-- 底部提交按钮 -->
+    <view class="submit-bar" v-if="selectedItems.length > 0">
+      <view class="submit-info">
+        <text class="submit-label">共 {{ totalQuantity }} 件</text>
+      </view>
       <button class="submit-btn" @click="submit" :disabled="submitting">
         {{ submitting ? '提交中...' : '确认入库' }}
       </button>
     </view>
+
+    <!-- 数量填写弹窗 -->
+    <view class="popup-mask" v-if="showPopup" @click="closePopup"></view>
+    <view class="popup-content" v-if="showPopup">
+      <view class="popup-header">
+        <text class="popup-title">{{ currentProduct.name }}</text>
+        <text class="popup-close" @click="closePopup">×</text>
+      </view>
+      <view class="popup-body">
+        <view class="popup-spec" v-if="currentProduct.spec">
+          规格: {{ currentProduct.spec }}
+        </view>
+        <view class="popup-qty">
+          <text class="qty-label">入库数量</text>
+          <view class="qty-input-wrapper">
+            <text class="qty-minus" @click="qtyMinus">-</text>
+            <input 
+              class="qty-input" 
+              type="number" 
+              v-model="inputQuantity" 
+            />
+            <text class="qty-plus" @click="qtyPlus">+</text>
+          </view>
+        </view>
+        <view class="popup-remark">
+          <text class="remark-label">备注（可选）</text>
+          <input 
+            class="remark-input" 
+            v-model="inputRemark" 
+            placeholder="填写备注" 
+          />
+        </view>
+      </view>
+      <view class="popup-footer">
+        <button class="popup-btn cancel" @click="closePopup">取消</button>
+        <button class="popup-btn confirm" @click="confirmAdd">确定</button>
+      </view>
+    </view>
   </view>
 </template>
 
@@ -50,55 +126,131 @@ import productApi from '@/api/product'
 export default {
   data() {
     return {
+      categoryId: '',
+      categories: [],
       productList: [],
-      selectedProduct: null,
-      quantity: '',
-      remark: '',
+      page: 1,
+      pageSize: 50,
+      loading: false,
+      
+      // 已选择的商品
+      selectedItems: [],
+      
+      // 弹窗相关
+      showPopup: false,
+      currentProduct: {},
+      inputQuantity: 1,
+      inputRemark: '',
+      
+      // 提交状态
       submitting: false
     }
   },
+  computed: {
+    totalQuantity() {
+      return this.selectedItems.reduce((sum, item) => sum + item.quantity, 0)
+    }
+  },
   onLoad() {
+    this.loadCategories()
     this.getProducts()
   },
   methods: {
-    async getProducts() {
+    async loadCategories() {
       try {
-        const res = await productApi.getProducts({ page: 1, pageSize: 100 })
-        if (res.code === 0) {
-          this.productList = res.data.records || []
-        }
+        const categories = await productApi.getCategories()
+        this.categories = categories || []
       } catch (e) {
-        uni.showToast({ title: '加载商品失败', icon: 'none' })
+        console.error(e)
       }
     },
-    onProductChange(e) {
-      this.selectedProduct = this.productList[e.detail.value]
+    async getProducts() {
+      this.loading = true
+      try {
+        const res = await productApi.getProducts({
+          categoryId: this.categoryId,
+          page: this.page,
+          pageSize: this.pageSize
+        })
+        this.productList = res.records || []
+      } catch (e) {
+        uni.showToast({ title: '加载失败', icon: 'none' })
+      } finally {
+        this.loading = false
+      }
     },
-    async submit() {
-      if (!this.selectedProduct) {
-        uni.showToast({ title: '请选择商品', icon: 'none' })
+    selectCategory(id) {
+      this.categoryId = id
+      this.page = 1
+      this.getProducts()
+    },
+    openQuantityPopup(product) {
+      this.currentProduct = product
+      this.inputQuantity = 1
+      this.inputRemark = ''
+      this.showPopup = true
+    },
+    closePopup() {
+      this.showPopup = false
+    },
+    qtyMinus() {
+      if (this.inputQuantity > 1) {
+        this.inputQuantity--
+      }
+    },
+    qtyPlus() {
+      this.inputQuantity++
+    },
+    confirmAdd() {
+      if (this.inputQuantity <= 0) {
+        uni.showToast({ title: '请输入有效数量', icon: 'none' })
         return
       }
-      if (!this.quantity || this.quantity <= 0) {
-        uni.showToast({ title: '请输入有效数量', icon: 'none' })
+      
+      // 检查是否已存在，存在则累加
+      const existsIndex = this.selectedItems.findIndex(
+        item => item.productId === this.currentProduct.productId
+      )
+      
+      if (existsIndex > -1) {
+        this.selectedItems[existsIndex].quantity += parseInt(this.inputQuantity)
+        this.selectedItems[existsIndex].remark = this.inputRemark || this.selectedItems[existsIndex].remark
+      } else {
+        this.selectedItems.push({
+          productId: this.currentProduct.productId,
+          productName: this.currentProduct.name,
+          quantity: parseInt(this.inputQuantity),
+          remark: this.inputRemark
+        })
+      }
+      
+      this.closePopup()
+      uni.showToast({ title: '已添加', icon: 'success' })
+    },
+    removeItem(index) {
+      this.selectedItems.splice(index, 1)
+    },
+    async submit() {
+      if (this.selectedItems.length === 0) {
+        uni.showToast({ title: '请先添加商品', icon: 'none' })
         return
       }
 
       this.submitting = true
       try {
-        const res = await stockApi.stockIn({
-          productId: this.selectedProduct.productId,
-          quantity: parseInt(this.quantity),
-          remark: this.remark
-        })
-        if (res.code === 0) {
-          uni.showToast({ title: '入库成功', icon: 'success' })
-          setTimeout(() => {
-            uni.navigateBack()
-          }, 1500)
-        } else {
-          uni.showToast({ title: res.message || '入库失败', icon: 'none' })
+        // 逐个入库
+        for (const item of this.selectedItems) {
+          await stockApi.stockIn({
+            productId: item.productId,
+            quantity: item.quantity,
+            remark: item.remark || ''
+          })
         }
+        
+        uni.showToast({ title: '入库成功', icon: 'success' })
+        setTimeout(() => {
+          uni.navigateBack()
+        }, 1500)
       } catch (e) {
         uni.showToast({ title: '入库失败', icon: 'none' })
       } finally {
@@ -109,54 +261,346 @@ export default {
 }
 </script>
 
-<style scoped>
-.stock-in {
+<style>
+.page {
   min-height: 100vh;
-  background: #f5f5f5;
+  background: #f8f9fa;
+  padding-bottom: 180rpx;
 }
 
-.form {
+.content-wrapper {
+  display: flex;
+  height: calc(100vh - 200rpx);
+}
+
+/* 左侧分类 */
+.category-sidebar {
+  width: 180rpx;
   background: #fff;
-  margin: 20rpx;
-  border-radius: 12rpx;
-  padding: 0 30rpx;
+  flex-shrink: 0;
 }
 
-.form-item {
+.category-item {
+  padding: 28rpx 20rpx;
+  font-size: 26rpx;
+  color: #666;
+  text-align: center;
+  border-left: 6rpx solid transparent;
+}
+
+.category-item.active {
+  background: #f8f9fa;
+  color: #667eea;
+  font-weight: bold;
+  border-left-color: #667eea;
+}
+
+/* 右侧商品 */
+.product-scroll {
+  flex: 1;
+  background: #f8f9fa;
+}
+
+.product-list {
+  padding: 20rpx;
+}
+
+.product-item {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 20rpx;
+  padding: 30rpx;
+  background: #fff;
+  border-radius: 16rpx;
+  box-shadow: 0 4rpx 12rpx rgba(0, 0, 0, 0.06);
+}
+
+.product-info {
+  flex: 1;
+}
+
+.product-name {
+  display: block;
+  font-size: 30rpx;
+  font-weight: 500;
+  color: #333;
+  margin-bottom: 8rpx;
+}
+
+.product-spec {
+  font-size: 24rpx;
+  color: #999;
+}
+
+.product-add {
+  width: 60rpx;
+  height: 60rpx;
+  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+  border-radius: 30rpx;
   display: flex;
   align-items: center;
-  padding: 30rpx 0;
-  border-bottom: 1rpx solid #eee;
+  justify-content: center;
 }
 
-.form-item:last-child {
-  border-bottom: none;
+.add-icon {
+  font-size: 36rpx;
+  color: #fff;
+  font-weight: bold;
 }
 
-.label {
-  width: 160rpx;
-  font-size: 30rpx;
+.empty {
+  padding: 100rpx;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
 }
 
-.picker, .input {
+.empty-icon {
+  font-size: 80rpx;
+  margin-bottom: 20rpx;
+}
+
+.empty-text {
+  font-size: 28rpx;
+  color: #999;
+}
+
+/* 已选择商品 */
+.selected-section {
+  position: fixed;
+  bottom: 120rpx;
+  left: 0;
+  right: 0;
+  background: #fff;
+  padding: 20rpx 30rpx;
+  box-shadow: 0 -4rpx 20rpx rgba(0, 0, 0, 0.1);
+}
+
+.selected-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 16rpx;
+}
+
+.selected-title {
+  font-size: 28rpx;
+  font-weight: bold;
+  color: #333;
+}
+
+.selected-count {
+  font-size: 24rpx;
+  color: #667eea;
+}
+
+.selected-list {
+  white-space: nowrap;
+  width: 100%;
+}
+
+.selected-item {
+  display: inline-flex;
+  align-items: center;
+  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+  border-radius: 12rpx;
+  padding: 16rpx 24rpx;
+  margin-right: 16rpx;
+}
+
+.selected-info {
+  display: flex;
+  flex-direction: column;
+}
+
+.selected-name {
+  font-size: 24rpx;
+  color: #fff;
+  max-width: 200rpx;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
+.selected-qty {
+  font-size: 22rpx;
+  color: rgba(255, 255, 255, 0.8);
+  margin-top: 4rpx;
+}
+
+.selected-delete {
+  margin-left: 16rpx;
+  font-size: 32rpx;
+  color: rgba(255, 255, 255, 0.8);
+  padding: 8rpx;
+}
+
+/* 底部提交 */
+.submit-bar {
+  position: fixed;
+  bottom: 0;
+  left: 0;
+  right: 0;
+  display: flex;
+  align-items: center;
+  padding: 20rpx 30rpx;
+  background: #fff;
+  box-shadow: 0 -4rpx 20rpx rgba(0, 0, 0, 0.1);
+}
+
+.submit-info {
   flex: 1;
-  font-size: 30rpx;
 }
 
-.btn-area {
-  padding: 40rpx 30rpx;
+.submit-label {
+  font-size: 28rpx;
+  color: #666;
 }
 
 .submit-btn {
+  width: 240rpx;
   height: 88rpx;
   line-height: 88rpx;
-  background: #3cc51f;
+  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
   color: #fff;
-  font-size: 32rpx;
-  border-radius: 8rpx;
+  border: none;
+  border-radius: 44rpx;
+  font-size: 30rpx;
+  font-weight: bold;
+  box-shadow: 0 8rpx 30rpx rgba(102, 126, 234, 0.4);
 }
 
-.submit-btn[disabled] {
-  background: #ccc;
+/* 弹窗 */
+.popup-mask {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: rgba(0, 0, 0, 0.5);
+  z-index: 100;
+}
+
+.popup-content {
+  position: fixed;
+  bottom: 0;
+  left: 0;
+  right: 0;
+  background: #fff;
+  border-radius: 32rpx 32rpx 0 0;
+  padding: 40rpx 30rpx;
+  padding-bottom: calc(40rpx + env(safe-area-inset-bottom));
+  z-index: 101;
+}
+
+.popup-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  margin-bottom: 30rpx;
+}
+
+.popup-title {
+  font-size: 32rpx;
+  font-weight: bold;
+  color: #333;
+}
+
+.popup-close {
+  font-size: 48rpx;
+  color: #999;
+  padding: 10rpx;
+}
+
+.popup-spec {
+  font-size: 26rpx;
+  color: #666;
+  margin-bottom: 30rpx;
+}
+
+.popup-qty {
+  display: flex;
+  align-items: center;
+  margin-bottom: 30rpx;
+}
+
+.qty-label {
+  font-size: 28rpx;
+  color: #333;
+  width: 160rpx;
+}
+
+.qty-input-wrapper {
+  display: flex;
+  align-items: center;
+  background: #f5f5f5;
+  border-radius: 12rpx;
+}
+
+.qty-minus, .qty-plus {
+  width: 80rpx;
+  height: 80rpx;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-size: 40rpx;
+  color: #667eea;
+}
+
+.qty-input {
+  width: 120rpx;
+  height: 80rpx;
+  text-align: center;
+  font-size: 32rpx;
+  background: transparent;
+  border-left: 1rpx solid #eee;
+  border-right: 1rpx solid #eee;
+}
+
+.popup-remark {
+  margin-bottom: 30rpx;
+}
+
+.remark-label {
+  font-size: 28rpx;
+  color: #333;
+  display: block;
+  margin-bottom: 16rpx;
+}
+
+.remark-input {
+  width: 100%;
+  height: 80rpx;
+  background: #f5f5f5;
+  border-radius: 12rpx;
+  padding: 0 20rpx;
+  font-size: 28rpx;
+  box-sizing: border-box;
+}
+
+.popup-footer {
+  display: flex;
+  gap: 20rpx;
+}
+
+.popup-btn {
+  flex: 1;
+  height: 88rpx;
+  line-height: 88rpx;
+  border-radius: 44rpx;
+  font-size: 30rpx;
+  font-weight: bold;
+}
+
+.popup-btn.cancel {
+  background: #f5f5f5;
+  color: #666;
+}
+
+.popup-btn.confirm {
+  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+  color: #fff;
+  box-shadow: 0 8rpx 30rpx rgba(102, 126, 234, 0.4);
 }
 </style>