<el-select v-model="ruleForm.region" placeholder="请选择活动区域">

      <el-option label="区域一" value="shanghai"></el-option>

      <el-option label="区域二" value="beijing"></el-option>

 </el-select>

  ruleForm: {

          name: '',

          region: '',

          date1: '',

          date2: '',

          delivery: false,

          type: [],

          resource: '',

          desc: ''

        },

        rules: {

          name: [

            { required: true, message: '请输入活动名称', trigger: 'blur' },

            { min: 3, max: 5, message: '长度在 3 到 5 个字符', trigger: 'blur' }

          ],

          region: [

            { required: true, message: '请选择活动区域', trigger: 'change' }

          ],