code review 商品管理的实现

src/views/mall/product/spu/components/ProductAttributes.vue

@@ -0,0 +1,102 @@
+<template>
+  <el-col v-for="(item, index) in attributeList" :key="index">
+    <div>
+      <el-text class="mx-1">属性名：</el-text>
+      <el-text class="mx-1">{{ item.name }}</el-text>
+    </div>
+    <div>
+      <el-text class="mx-1">属性值：</el-text>
+      <el-tag
+        v-for="(value, valueIndex) in item.values"
+        :key="value.id"
+        :disable-transitions="false"
+        class="mx-1"
+        closable
+        @close="handleClose(index, valueIndex)"
+      >
+        {{ value.name }}
+      </el-tag>
+      <el-input
+        v-show="inputVisible(index)"
+        ref="InputRef"
+        v-model="inputValue"
+        class="!w-20"
+        size="small"
+        @blur="handleInputConfirm(index, item.id)"
+        @keyup.enter="handleInputConfirm(index, item.id)"
+      />
+      <el-button
+        v-show="!inputVisible(index)"
+        class="button-new-tag ml-1"
+        size="small"
+        @click="showInput(index)"
+      >
+        + 添加
+      </el-button>
+    </div>
+    <el-divider class="my-10px" />
+  </el-col>
+</template>
+
+<script lang="ts" name="ProductAttributes" setup>
+import { ElInput } from 'element-plus'
+import * as PropertyApi from '@/api/mall/product/property'
+
+const { t } = useI18n() // 国际化
+const message = useMessage() // 消息弹窗
+const inputValue = ref('') // 输入框值
+const attributeIndex = ref<number | null>(null) // 获取焦点时记录当前属性项的index
+// 输入框显隐控制
+const inputVisible = computed(() => (index) => {
+  if (attributeIndex.value === null) return false
+  if (attributeIndex.value === index) return true
+})
+const InputRef = ref() //标签输入框Ref
+const attributeList = ref([]) // 商品属性列表
+const props = defineProps({
+  attributeData: {
+    type: Array,
+    default: () => {}
+  }
+})
+
+watch(
+  () => props.attributeData,
+  (data) => {
+    if (!data) return
+    attributeList.value = data
+  },
+  {
+    deep: true,
+    immediate: true
+  }
+)
+
+/** 删除标签 tagValue 标签值*/
+const handleClose = (index, valueIndex) => {
+  attributeList.value[index].values?.splice(valueIndex, 1)
+}
+
+/** 显示输入框并获取焦点 */
+const showInput = async (index) => {
+  attributeIndex.value = index
+  // 因为组件在ref中所以需要用索引获取对应的Ref
+  InputRef.value[index]!.input!.focus()
+}
+
+/** 输入框失去焦点或点击回车时触发 */
+const handleInputConfirm = async (index, propertyId) => {
+  if (inputValue.value) {
+    // 保存属性值
+    try {
+      const id = await PropertyApi.createPropertyValue({ propertyId, name: inputValue.value })
+      attributeList.value[index].values.push({ id, name: inputValue.value })
+      message.success(t('common.createSuccess'))
+    } catch {
+      message.error('添加失败，请重试') // TODO 缺少国际化
+    }
+  }
+  attributeIndex.value = null
+  inputValue.value = ''
+}
+</script>