需求:el-form裏面el-form-item的數據基本可以重複,可以遍歷生成,el-form-item裏面有下拉和input,選擇某個下拉出現input,某個下拉隱藏input,如下圖:
思路:動態生成el-form-item,並在el-form-item綁定校驗規則
<el-form ref="stockForm" :model="stockForm" class="zd-el-form" size="mini" inline label-width="160px" > <div v-for="(item, index) in formItemList" :key="index" class="el-form-item-box" > <el-form-item :label="item.label+':'" :prop="item.status" :rules="rulesItemStatus" > <el-select v-model="stockForm[item.status]" class="item-placeholder" placeholder="請選擇" clearable @change="val => setParamStatusListChange(val, index)" // 回調函數可以帶多些需要的參數 > <el-option v-for="ite in setParamStatusList" :key="ite.value" :label="ite.name" :value="ite.value" /> </el-select> </el-form-item> <el-form-item v-if="stockForm[item.status] ==='2' || stockForm[item.status] ==='1'" :prop="item.value" :rules="rulesItemValue" > <el-input v-model="stockForm[item.value]" type="text" min="0" maxlength="10" clearable onkeydown.native="return (/[\d]/.test(String.fromCharCode(event.keyCode)))" // 只能輸入數字正則校驗 /> </el-form-item> <el-tooltip class="item" effect="light" placement="top" > <div slot="content">{{ item.tooltip }}</div> <i style="color: #D9D9D9;padding-top: 18px;" class="el-icon-question" /> </el-tooltip> </div> </el-form>
校驗寫在data的return裏面:
formItemData是每個el-form-item信息的Object數組有label、name、status、value、tooltip
stockForm是綁定的表單
stockForm: { attr1Value: '', attr1Status: '', attr2Value: '', attr2Status: '', attr3Value: '', attr3Status: '', attr4Value: '', attr4Status: '', attr5Value: '', attr5Status: '', attr6Value: '', attr6Status: '', attr7Value: '', attr7Status: '' },
attrStatusArr: {
attr1Status: '',
attr2Status: '',
attr3Status: '',
attr4Status: '',
attr5Status: '',
attr6Status: '',
attr7Status: ''
}