业务场景：

多选项必选一个，选了的输入框必填

    <el-row :gutter="20"><el-col :span="12"><el-form-item label="捆绑终端硬件标识" prop="terminalCodeList"><el-checkbox-groupv-model="form.terminalCodeList"style="display: flex; flex-direction: column"><el-row:gutter="20"style="margin-top: 20px"v-for="item in terminalList"><el-col :span="24"><el-checkbox :label="item.value" :key="item.value"><el-form-itemlabel-width="80px":label="item.label":prop="item.value"><el-inputstyle="width: 200px"v-model="form[item.value]":placeholder="`请输入` + item.label"/></el-form-item></el-checkbox></el-col></el-row></el-checkbox-group></el-form-item></el-col></el-row>

  let terminalList = $ref([{label: '机顶盒mac',value: 'mac',},{label: '机顶盒stbId',value: 'stbId',},{label: '电视账号',value: 'tVAccount',},{label: '手机号码',value: 'mobileNum',},{label: '网关mac',value: 'wMac',},{label: '授权码',value: 'liscense',},{label: '网关stbId',value: 'wStbId',},])let getMacValidator = (rule, value, callback) => {if (dialogOperateType == 'update' &&form.terminalCodeList.some((item) => item == 'mac') &&value == '') {callback(new Error('请输入机顶盒mac'))} else {callback()}}let getStbIdValidator = (rule, value, callback) => {if (dialogOperateType == 'update' &&form.terminalCodeList.some((item) => item == 'stbId') &&value == '') {callback(new Error('请输入机顶盒stbId'))} else {callback()}}let gettVAccountValidator = (rule, value, callback) => {if (dialogOperateType == 'update' &&form.terminalCodeList.some((item) => item == 'tVAccount') &&value == '') {callback(new Error('请输入电视账号'))} else {callback()}}let getMobileNumValidator = (rule, value, callback) => {if (dialogOperateType == 'update' &&form.terminalCodeList.some((item) => item == 'mobileNum') &&value == '') {callback(new Error('请输入手机号码'))} else {callback()}}let getwMacValidator = (rule, value, callback) => {if (dialogOperateType == 'update' &&form.terminalCodeList.some((item) => item == 'wMac') &&value == '') {callback(new Error('请输入网关mac'))} else {callback()}}let getwStbIdValidator = (rule, value, callback) => {if (dialogOperateType == 'update' &&form.terminalCodeList.some((item) => item == 'wStbId') &&value == '') {callback(new Error('请输入网关stbId'))} else {callback()}}let getLiscenseValidator = (rule, value, callback) => {if (dialogOperateType == 'update' &&form.terminalCodeList.some((item) => item == 'liscense') &&value == '') {callback(new Error('请输入授权码'))} else {callback()}}let getCodeListValidator = (rule, value, callback) => {if (value.length == 0) {callback(new Error('至少选择一个捆绑终端硬件标识'))} else {callback()}}let rules = $ref({terminalCodeList: [{required: true,validator: getCodeListValidator,trigger: 'blur',},],vendorCode: [{ required: true, validator: getValidator, trigger: 'blur' }],serviceCode: [{ required: true, validator: getValidator, trigger: 'blur' }],mac: [{ validator: getMacValidator, trigger: 'blur' }],stbId: [{ validator: getStbIdValidator, trigger: 'blur' }],tVAccount: [{ validator: gettVAccountValidator, trigger: 'blur' }],mobileNum: [{ validator: getMobileNumValidator, trigger: 'blur' }],wMac: [{ validator: getwMacValidator, trigger: 'blur' }],wStbId: [{ validator: getwStbIdValidator, trigger: 'blur' }],liscense: [{ validator: getLiscenseValidator, trigger: 'blur' }],})