feat: 完善城市管理功能

ruoyi-ui/src/views/oa/city/index.vue

@@ -29,6 +29,7 @@
       <el-table-column type="selection" width="55" align="center" />
       <el-table-column label="序号" type="index" width="50" align="center" />
       <el-table-column prop="cityCode" label="城市编码" align="center" width="150" />
+      <el-table-column prop="countryName" label="国家" align="center" width="120" />
       <el-table-column prop="cityName" label="城市名称" align="center" width="200" />
       <el-table-column prop="provinceName" label="所属省份" align="center" width="150" />
       <el-table-column label="操作" align="center" width="150">
@@ -47,8 +48,12 @@
       @pagination="getList"
     />
 
+    <!-- 弹窗表单：我加了国家输入框 -->
     <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
       <el-form ref="form" :model="form" :rules="rules" label-width="80px">
+        <el-form-item label="国家" prop="countryName">
+          <el-input v-model="form.countryName" placeholder="请输入国家（如：中国）" />
+        </el-form-item>
         <el-form-item label="城市编码" prop="cityCode">
           <el-input v-model="form.cityCode" placeholder="请输入城市编码" />
         </el-form-item>