整体添加判断

    <el-form
        ref="ruleFormRef"
        :model="formModel"
        class="demo-ruleForm"
        label-position="top"
        status-icon
        :rules="rules"
      >
        <el-form-item label="姓名" prop="applyUsers" class="form-title">
          <el-select-v2
            v-model="formModel.applyUsers"
            style="width: 100%"
            multiple
            filterable
            placeholder=" "
            clearable
            :options="applyUsers"
          />
        </el-form-item>
        <el-form-item label="调整积分" prop="applyNum" class="form-title">
          <el-input v-model.number="formModel.applyNum">
            <template #prepend>
              <el-select
                v-model="pointAbs"
                style="background: #fff; width: 100px"
              >
                <el-option label="加" value="+" />
                <el-option label="减" value="-" />
              </el-select>
            </template>
          </el-input>
        </el-form-item>
        <el-form-item label="申请原因" prop="applyReason" style="width: 100%">
          <el-input
            type="textarea"
            :rows="3"
            placeholder="请输入"
            v-model="formModel.applyReason"
          />
        </el-form-item>
        <el-form-item label="附件文件" prop="uploadFiles" class="form-title">
          <general-file v-model="formModel.uploadFiles" :max-count="5" />
        </el-form-item>
      </el-form>

import type { FormRules } from "element-plus";

const rules = ref<FormRules>({
  applyNum: [
    {
      required: true,
      message: "必填项",
      trigger: "change"
    },
    {
      message: "只能输入数字",
      trigger: "change",
      type: "number"
    },
    {
      message: "最小为1",
      trigger: "change",
      type: "number",
      min: 1
    }
  ]
});

interface Form {
  applyUsers: string;
  applyNum: Number;
  applyReason: string;
  uploadFiles: object;
}

const formModel = ref<Form>({} as Form);

对应组件添加判断