初始化

src/views/system/area/AreaForm.vue

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+<template>
+  <Dialog v-model="dialogVisible" title="IP 查询">
+    <el-form
+      ref="formRef"
+      v-loading="formLoading"
+      :model="formData"
+      :rules="formRules"
+      label-width="80px"
+    >
+      <el-form-item label="IP" prop="ip">
+        <el-input v-model="formData.ip" placeholder="请输入 IP 地址" />
+      </el-form-item>
+      <el-form-item label="地址" prop="result">
+        <el-input v-model="formData.result" placeholder="展示查询 IP 结果" readonly />
+      </el-form-item>
+    </el-form>
+    <template #footer>
+      <el-button :disabled="formLoading" type="primary" @click="submitForm">确 定</el-button>
+      <el-button @click="dialogVisible = false">取 消</el-button>
+    </template>
+  </Dialog>
+</template>
+<script lang="ts" setup>
+import * as AreaApi from '@/api/system/area'
+
+defineOptions({ name: 'SystemAreaForm' })
+
+const message = useMessage() // 消息弹窗
+
+const dialogVisible = ref(false) // 弹窗的是否展示
+const formLoading = ref(false) // 表单的加载中：提交的按钮禁用
+const formData = ref({
+  ip: '',
+  result: undefined
+})
+const formRules = reactive({
+  ip: [{ required: true, message: 'IP 地址不能为空', trigger: 'blur' }]
+})
+const formRef = ref() // 表单 Ref
+
+/** 打开弹窗 */
+const open = async () => {
+  dialogVisible.value = true
+  resetForm()
+}
+defineExpose({ open }) // 提供 open 方法，用于打开弹窗
+
+/** 提交表单 */
+const submitForm = async () => {
+  // 校验表单
+  if (!formRef) return
+  const valid = await formRef.value.validate()
+  if (!valid) return
+  // 提交请求
+  formLoading.value = true
+  try {
+    formData.value.result = await AreaApi.getAreaByIp(formData.value.ip!.trim())
+    message.success('查询成功')
+  } finally {
+    formLoading.value = false
+  }
+}
+
+/** 重置表单 */
+const resetForm = () => {
+  formData.value = {
+    ip: '',
+    result: undefined
+  }
+  formRef.value?.resetFields()
+}
+</script>

src/views/system/area/index.vue

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+<template>
+  <doc-alert title="地区 & IP" url="https://doc.iocoder.cn/area-and-ip/" />
+
+  <!-- 操作栏 -->
+  <ContentWrap>
+    <el-button type="primary" plain @click="openForm()">
+      <Icon icon="ep:plus" class="mr-5px" /> IP 查询
+    </el-button>
+  </ContentWrap>
+
+  <!-- 列表 -->
+  <ContentWrap>
+    <div style="width: 100%; height: 700px">
+      <!-- AutoResizer 自动调节大小 -->
+      <el-auto-resizer>
+        <template #default="{ height, width }">
+          <!-- Virtualized Table 虚拟化表格：高性能，解决表格在大数据量下的卡顿问题 -->
+          <el-table-v2
+            v-loading="loading"
+            :columns="columns"
+            :data="list"
+            :width="width"
+            :height="height"
+            expand-column-key="id"
+          />
+        </template>
+      </el-auto-resizer>
+    </div>
+  </ContentWrap>
+
+  <!-- 表单弹窗：添加/修改 -->
+  <AreaForm ref="formRef" />
+</template>
+<script setup lang="tsx">
+import { Column } from 'element-plus'
+import AreaForm from './AreaForm.vue'
+import * as AreaApi from '@/api/system/area'
+
+defineOptions({ name: 'SystemArea' })
+
+// 表格的 column 字段
+const columns: Column[] = [
+  {
+    dataKey: 'id', // 需要渲染当前列的数据字段
+    title: '编号', // 显示在单元格表头的文本
+    width: 400, // 当前列的宽度，必须设置
+    fixed: true, // 是否固定列
+    key: 'id' // 树形展开对应的 key
+  },
+  {
+    dataKey: 'name',
+    title: '地名',
+    width: 200
+  }
+]
+const loading = ref(true) // 列表的加载中
+const list = ref([]) // 表格的数据
+
+/** 获得数据列表 */
+const getList = async () => {
+  loading.value = true
+  try {
+    list.value = await AreaApi.getAreaTree()
+  } finally {
+    loading.value = false
+  }
+}
+
+/** 添加/修改操作 */
+const formRef = ref()
+const openForm = () => {
+  formRef.value.open()
+}
+
+/** 初始化 **/
+onMounted(() => {
+  getList()
+})
+</script>