el-form遍历对象下的数组。验证数据_el-form数组验证

     <el-form
        ref="form"
        label-position="top"
        :model="productList"
      >
       	  <div
            v-for="(v,i) in productList.data"
            :key="i"
          >
          	   <el-form-item
                :prop="'data.'+ i + '.en_name'"
                label="产品英文名称"
                class="compile"
                :rules="rules.en_name"
              >
                <el-input
                  placeholder="请输入"
                  v-model="v.en_name"
                >
                </el-input>
              </el-form-item>
          </div>
      </el-form>
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绑定的验证规格需要在el-form-item上，否则无效，绑定验证为：数组变量名.下标.变量名