vue element el-form 多级嵌套验证的实现示例
目录
- 方法一:el-form里面再嵌套一个el-form
- 方法二:直接把验证规则写在html中
最近在做项目时遇到这样一个需求,一个form表单里面有两个字段数量不固定,可以动态的增删,在提交的时候不管数量有多少都需要验证,页面效果如下:
form表单对应的数据结构如下:
voucherInfo: { cash: [ { cashNum: '', // 押金流水号 cashPayType: null, // 押金支付类型 } ], cashPayTime: '', // 押金支付时间 cashPayVoucher: [], // 押金支付凭证 commissionNum: '', // 佣金流水号 commissionPayType: null, // 佣金支付方式 commissionPayTime: '', // 佣金支付时间 commissionPayVoucher: [], // 佣金支付凭证 remark: '' // 备注 }
在这里主要考虑的就是如何验证voucherInfo的第一个字段,它是一个数组,数组里面又是一个对象,我们要验证这个对象的每个属性,简而言之,就是验证对象里面的数组里面的对象属性。
方法一:el-form里面再嵌套一个el-form
<el-form ref="voucherForm" :rules="voucherRule" :model="voucherInfo" label-width="140px" > <div v-for="(item, index) in voucherInfo.cash" :key="index" > <!-- 嵌套的el-form model绑定的是voucherInfo.cash里面的对象 --> <!-- 又定义了一个rules :rules="subVoucherRule"--> <el-form ref="subVoucherForm" :model="item" :rules="subVoucherRule" label-width="140px" > <el-row> <el-col :span="6"> <el-form-item prop="cashNum" :label="'押金流水号' + (index + 1)" > <el-input v-model="item.cashNum" palceholder="请输入" > </el-input> </el-form-item> </el-col> <el-col :span="12"> <el-form-item :label="'押金支付方式' + (index + 1)" prop="cashPayType" > <el-select v-model="item.cashPayType" placeholder="请选择" > <el-option v-for="i in cashPayTypeOptions" :label="i.label" :value="i.value" :key="i.value" > </el-option> </el-select> </el-form-item> </el-col> <el-col :span="4"> <el-button type="primary" icon="el-icon-minus" circle @click="handleMinusClick(index)" > </el-button> <el-button type="primary" icon="el-icon-plus" circle @click="handleAddClick()" > </el-button> </el-col> </el-row> </el-form> </div> <el-row> <el-col :span="6"> <el-form-item label="押金支付时间" prop="cashPayTime"> <el-date-picker v-model="voucherInfo.cashPayTime" placeholder="请选择" ></el-date-picker> </el-form-item> </el-col> <el-col :span="12"> <el-form-item label="上传支付凭证" prop="cashPayVoucher"> <el-upload class="avatar-upload" action="" > <img v-if="voucherInfo.cashPayVoucher.length" src="" alt="" class="avatar"> <i v-else class="el-icon-plus avatar-uploader-icon"></i> </el-upload> </el-form-item> </el-col> </el-row> <el-row> <el-col :span="6"> <el-form-item label="佣金流水号" prop="commissionNum"> <el-input v-model="voucherInfo.commissionNum" placeholder="请输入" > </el-input> </el-form-item> </el-col> <el-col :span="12"> <el-form-item label="佣金支付方式" prop="commissionPayType"> <el-select v-model="voucherInfo.commissionPayType" placeholder="请选择" > <el-option v-for="item in commissionPayTypeOptions" :label="item.label" :value="item.value" :key="item.value" ></el-option> </el-select> </el-form-item> </el-col> </el-row> <el-row> <el-col :span="6"> <el-form-item label="佣金支付时间" prop="commissionPayTime"> <el-date-picker v-model="voucherInfo.commissionPayTime" placeholder="请选择" ></el-date-picker> </el-form-item> </el-col> <el-col :span="12"> <el-form-item label="佣金支付凭证" prop="commissionPayVoucher"> <el-upload class="avatar-upload" action="" > <img v-if="voucherInfo.commissionPayVoucher.length" src="" alt="" class="avatar"> <i v-else class="el-icon-plus avatar-uploader-icon"></i> </el-upload> </el-form-item> </el-col> </el-row> <el-row> <el-col :span="12"> <el-form-item label="备注"> <el-input type="textarea" placeholder="请输入" v-model="voucherInfo.remark" > </el-input> </el-form-item> </el-col> </el-row> </el-form>
验证规则:
voucherRule: { cashPayTime: [{ required: true, message: '请选择押金支付时间', trigger: 'change'}], cashPayVoucher: [{ required: true, message: '请上传押金支付凭证', trigger: 'change'}], commissionNum: [{ required: true, message: '请输入佣金流水号', trigger: 'blur'}], commissionPayType: [{ required: true, message: '请选择佣金支付方式', trigger: 'change'}], commissionPayTime: [{ required: true, message: '请选择佣金支付时间', trigger: 'change'}], commissionPayVoucher: [{ required: true, message: '请上传佣金支付凭证', trigger: 'change'}], }, subVoucherRule: { cashNum: [{ required: true, message: '请输入押金流水号', trigger: 'blur'}], cashPayType: [{ required: true, message: '请选择押金支付方式', trigger: 'change'}], }
提交时验证代码:因为有两个form,所以两个都需要验证
<el-form ref="voucherForm" :rules="voucherRule" :model="voucherInfo" label-width="140px" > <el-row v-for="(item, index) in voucherInfo.cash" :key="index" > <el-col :span="6"> <!--注意有改动的是这里 prop动态绑定cashNum rules写在了这里 --> <el-form-item :prop="'cash['+index+'].cashNum'" :label="'押金流水号' + (index + 1)" :rules="{ required: true, message: '请输入押金流水号', trigger: 'blur' }" > <el-input v-model="item.cashNum" palceholder="请输入" > </el-input> </el-form-item> </el-col> <el-col :span="12"> <!--注意有改动的是这里 prop动态绑定cashPayType rules写在了这里 --> <el-form-item :label="'押金支付方式' + (index + 1)" :prop="'cash['+ index +'].cashPayType'" :rules="{ required: true, message: '请选择押金支付方式', trigger: 'change' }" > <el-select v-model="item.cashPayType" placeholder="请选择" > <el-option v-for="i in cashPayTypeOptions" :label="i.label" :value="i.value" :key="i.value" > </el-option> </el-select> </el-form-item> </el-col> <el-col :span="4"> <el-button type="primary" icon="el-icon-minus" circle @click="handleMinusClick(index)" > </el-button> <el-button type="primary" icon="el-icon-plus" circle @click="handleAddClick()" > </el-button> </el-col> </el-row> <el-row> <el-col :span="6"> <el-form-item label="押金支付时间" prop="cashPayTime"> <el-date-picker v-model="voucherInfo.cashPayTime" placeholder="请选择" ></el-date-picker> </el-form-item> </el-col> <el-col :span="12"> <el-form-item label="上传支付凭证" prop="cashPayVoucher"> <el-upload class="avatar-upload" action="" > <img v-if="voucherInfo.cashPayVoucher.length" src="" alt="" class="avatar"> <i v-else class="el-icon-plus avatar-uploader-icon"></i> </el-upload> </el-form-item> </el-col> </el-row> <el-row> <el-col :span="6"> <el-form-item label="佣金流水号" prop="commissionNum"> <el-input v-model="voucherInfo.commissionNum" placeholder="请输入" > </el-input> </el-form-item> </el-col> <el-col :span="12"> <el-form-item label="佣金支付方式" prop="commissionPayType"> <el-select v-model="voucherInfo.commissionPayType" placeholder="请选择" > <el-option v-for="item in commissionPayTypeOptions" :label="item.label" :value="item.value" :key="item.value" ></el-option> </el-select> </el-form-item> </el-col> </el-row> <el-row> <el-col :span="6"> <el-form-item label="佣金支付时间" prop="commissionPayTime"> <el-date-picker v-model="voucherInfo.commissionPayTime" placeholder="请选择" ></el-date-picker> </el-form-item> </el-col> <el-col :span="12"> <el-form-item label="佣金支付凭证" prop="commissionPayVoucher"> <el-upload class="avatar-upload" action="" > <img v-if="voucherInfo.commissionPayVoucher.length" src="" alt="" class="avatar"> <i v-else class="el-icon-plus avatar-uploader-icon"></i> </el-upload> </el-form-item> </el-col> </el-row> <el-row> <el-col :span="12"> <el-form-item label="备注"> <el-input type="textarea" placeholder="请输入" v-model="voucherInfo.remark" > </el-input> </el-form-item> </el-col> </el-row> </el-form>
方法二:直接把验证规则写在html中
<el-form ref="voucherForm" :rules="voucherRule" :model="voucherInfo" label-width="140px" > <el-row v-for="(item, index) in voucherInfo.cash" :key="index" > <el-col :span="6"> <!--注意有改动的是这里 prop动态绑定cashNum rules写在了这里 --> <el-form-item :prop="'cash['+index+'].cashNum'" :label="'押金流水号' + (index + 1)" :rules="{ required: true, message: '请输入押金流水号', trigger: 'blur' }" > <el-input v-model="item.cashNum" palceholder="请输入" > </el-input> </el-form-item> </el-col> <el-col :span="12"> <!--注意有改动的是这里 prop动态绑定cashPayType rules写在了这里 --> <el-form-item :label="'押金支付方式' + (index + 1)" :prop="'cash['+ index +'].cashPayType'" :rules="{ required: true, message: '请选择押金支付方式', trigger: 'change' }" > <el-select v-model="item.cashPayType" placeholder="请选择" > <el-option v-for="i in cashPayTypeOptions" :label="i.label" :value="i.value" :key="i.value" > </el-option> </el-select> </el-form-item> </el-col> <el-col :span="4"> <el-button type="primary" icon="el-icon-minus" circle @click="handleMinusClick(index)" > </el-button> <el-button type="primary" icon="el-icon-plus" circle @click="handleAddClick()" > </el-button> </el-col> </el-row> <el-row> <el-col :span="6"> <el-form-item label="押金支付时间" prop="cashPayTime"> <el-date-picker v-model="voucherInfo.cashPayTime" placeholder="请选择" ></el-date-picker> </el-form-item> </el-col> <el-col :span="12"> <el-form-item label="上传支付凭证" prop="cashPayVoucher"> <el-upload class="avatar-upload" action="" > <img v-if="voucherInfo.cashPayVoucher.length" src="" alt="" class="avatar"> <i v-else class="el-icon-plus avatar-uploader-icon"></i> </el-upload> </el-form-item> </el-col> </el-row> <el-row> <el-col :span="6"> <el-form-item label="佣金流水号" prop="commissionNum"> <el-input v-model="voucherInfo.commissionNum" placeholder="请输入" > </el-input> </el-form-item> </el-col> <el-col :span="12"> <el-form-item label="佣金支付方式" prop="commissionPayType"> <el-select v-model="voucherInfo.commissionPayType" placeholder="请选择" > <el-option v-for="item in commissionPayTypeOptions" :label="item.label" :value="item.value" :key="item.value" ></el-option> </el-select> </el-form-item> </el-col> </el-row> <el-row> <el-col :span="6"> <el-form-item label="佣金支付时间" prop="commissionPayTime"> <el-date-picker v-model="voucherInfo.commissionPayTime" placeholder="请选择" ></el-date-picker> </el-form-item> </el-col> <el-col :span="12"> <el-form-item label="佣金支付凭证" prop="commissionPayVoucher"> <el-upload class="avatar-upload" action="" > <img v-if="voucherInfo.commissionPayVoucher.length" src="" alt="" class="avatar"> <i v-else class="el-icon-plus avatar-uploader-icon"></i> </el-upload> </el-form-item> </el-col> </el-row> <el-row> <el-col :span="12"> <el-form-item label="备注"> <el-input type="textarea" placeholder="请输入" v-model="voucherInfo.remark" > </el-input> </el-form-item> </el-col> </el-row> </el-form>
这样验证的时候只需要验证一个表单就行了。
最终的实现效果:
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