如何用动态变量表示prop

 <template>

    
 	<div>
    
 	<el-form ref="dataForm"  :model="member" label-position="right" label-width="100px">
    
 	     <el-form-item  
    
 		v-for="(item,key) in member.emailList" 
    
 		:key="key"
    
 		:prop="'emailList.'+key+'.memberEmail'"
    
 		:rules="rules.email"
    
 		>
    
 	      <el-input v-model="item.memberEmail" />
    
 		  <i class="el-icon-remove-outline"  @click="delMember(key)" v-if="key>0"/></el-form-item>
    
 	    </el-form-item>
    
 		<el-form-item > 
    
 		<i class="el-icon-circle-plus-outline"  @click="addMember()" />继续添加
    
 		</el-for