商品评论：回复表单提取到单独的组件中

src/views/mall/product/comment/ReplyForm.vue

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+<template>
+  <Dialog title="回复" v-model="dialogVisible">
+    <el-form
+      ref="formRef"
+      :model="formData"
+      :rules="formRules"
+      label-width="100px"
+      v-loading="formLoading"
+    >
+      <el-form-item label="回复内容" prop="replyContent">
+        <el-input type="textarea" v-model="formData.replyContent" />
+      </el-form-item>
+    </el-form>
+    <template #footer>
+      <el-button @click="submitReplyForm" type="primary" :disabled="formLoading">确 定 </el-button>
+      <el-button @click="dialogVisible = false">取 消</el-button>
+    </template>
+  </Dialog>
+</template>
+
+<script setup lang="ts">
+import * as CommentApi from '@/api/mall/product/comment'
+import { ElInput } from 'element-plus'
+
+defineOptions({ name: 'ProductComment' })
+
+const message = useMessage() // 消息弹窗
+const { t } = useI18n() // 国际化
+
+const dialogVisible = ref(false) // 弹窗的是否展示
+const formLoading = ref(false) // 表单的加载中：1）修改时的数据加载；2）提交的按钮禁用
+const formData = ref({
+  id: undefined,
+  replyContent: undefined
+})
+const formRules = reactive({
+  replyContent: [{ required: true, message: '回复内容不能为空', trigger: 'blur' }]
+})
+const formRef = ref() // 表单 Ref
+
+/** 打开弹窗 */
+const open = async (id?: number) => {
+  resetForm()
+  formData.value.id = id
+  dialogVisible.value = true
+}
+defineExpose({ open }) // 提供 open 方法，用于打开弹窗
+
+/** 提交表单 */
+const emit = defineEmits(['success']) // 定义 success 事件，用于操作成功后的回调
+
+const submitReplyForm = async () => {
+  const valid = await formRef?.value?.validate()
+  if (!valid) return
+
+  formLoading.value = true
+  try {
+    await CommentApi.replyComment(formData.value)
+    message.success(t('common.createSuccess'))
+
+    dialogVisible.value = false
+    // 发送操作成功的事件
+    emit('success')
+  } finally {
+    formLoading.value = false
+  }
+}
+
+/** 重置表单 */
+const resetForm = () => {
+  formData.value = {
+    id: undefined,
+    replyContent: undefined
+  }
+  formRef.value?.resetFields()
+}
+</script>