一个弹框表单复用create，edit表单操作

<el-dialog
      ref="assetRef"
      :abc="abc"
      :title="$t(`asset.${title}`)"
      :visible.sync="assetDialogVisible"
      width="40%"
      @close="handleClose"
      :close-on-click-modal="false"
    >

<el-form-item class="button_group">
          <el-button size="mini" class="cancel" @click="cancelForm">{{
            $t('location.cancel')
          }}</el-button>
          <el-button
            class="create"
            :loading="isLoadingBtn"
            size="mini"
            @click="isCreate ? onCreate() : onUpdate()"
          >
            {{
              title === 'create'
                ? $t('asset.create_asset')
                : $t('asset.update_asset')
            }}
          </el-button>
        </el-form-item>