VUE rules 多層嵌套
0x00 概述
本文主要記錄VUE頁面Element-UI表單校驗中的多層嵌套處理。
0x01 Element-UI表單校驗中多層嵌套
<el-row :gutter=20 class="with-bg" v-for="(product, idx) in productList" :key="product.id">
<el-col :span="10">
<el-form-item label="産品分類1" :prop="'productList.'+idx+'.productType'" :rules="[{required:true, message: '分類1不能為空', trigger: 'change' }]">
<el-select clearable v-model="product.productType" placeholder="請選擇産品分類1">
<el-option v-for="param in getContent('PRODUCT_TYPE')"
:key="param.id"
:label="param.name"
:value="param.code"
>
</el-option>
</el-select>
</el-form-item>
</el-col>
<el-col :span="12">
<el-form-item label="産品分類2" :prop="'productList.'+idx+'.subproductType'" :rules="[{required:true, message: '分類2不能為空', trigger: 'change' }]">
<el-select clearable v-model="product.subproductType" placeholder="請先選産品分類2"
@change="value => effectMonthsHandler(value, idx)"
>
<el-option
v-for="(item, index) in getContent('PRODUCT_SUB_TYPE').filter(r => r.parentParamId === (getContent('PRODUCT_TYPE').find(p => p.code === product.productType)||{}).id)"
:key="index"
:label="item.name"
:value="item.code"
/>
</el-select>
</el-form-item>
</el-col>
<el-col :span="2">
<a v-if="editable && productList.length > 1" class="delete-item" @click="deleteproductItem(idx)"><i class="el-icon-delete"></i></a>
</el-col>
</el-row>
以上productList清單内的每個product對象有兩個屬性,分别為productType和subproductType;
在form-item内綁定prop,按照
:prop="'productList.'+index+'.product'"方法,代碼備援切沒法綁定productType和subProductType的關系
data () {
return {
...省略...
punishList: [],
...省略...
rules: {
"productList.0.productType'": [{ required: true, message: '産品分類1不能為空', trigger: 'change' }],
"productList.1.productType'": [{ required: true, message: '産品分類1不能為空', trigger: 'change' }],
"productList.2.productType'": [{ required: true, message: '産品分類1不能為空', trigger: 'change' }],
"productList.3.productType'": [{ required: true, message: '産品分類1不能為空', trigger: 'change' }],
"productList.4.productType'": [{ required: true, message: '産品分類1不能為空', trigger: 'change' }],
...省略...
"productList.0.subProductType'": [{ required: true, message: '産品分類2不能為空', trigger: 'change' }],
"productList.1.subProductType'": [{ required: true, message: '産品分類2不能為空', trigger: 'change' }],
"productList.2.subProductType'": [{ required: true, message: '産品分類2不能為空', trigger: 'change' }],
"productList.3.subProductType'": [{ required: true, message: '産品分類2不能為空', trigger: 'change' }],
"productList.4.subProductType'": [{ required: true, message: '産品分類2不能為空', trigger: 'change' }],
...省略...
},
}
},
0x02 将:rules放到template内,實作動态綁定
将:rules放到template内,rules内不用在寫針對productList的驗證規則。
<el-form-item label="産品分類1" :prop="'productList.'+idx+'.productType'" :rules="[{required:true, message: '分類1不能為空', trigger: 'change' }]">
0x03 參考
Vue 篇 解決ELement UI 中表單驗證(多層Object嵌套)
vue elementUI 表單校驗(多層嵌套)//終極版