<template>
  <div>
    <el-form :model="form" :rules="rules" ref="form">
      <el-row v-for="(item,index) in form.list" :key="index">
        <el-col :span="6">
          <el-form-item label="用户名称1" :prop=" 'list.'+ index +'.aaa'" :rules="rules.aaa">
            <el-input v-model="item.aaa" class="w-200" @blur="btn(item,index)"></el-input>
          </el-form-item>
        </el-col>
        <el-col :span="6">
          <i class="el-icon-circle-plus-outline" @click="add()"></i>
        </el-col>
      </el-row>
    </el-form>

  </div>
</template>

<script>
export default {
  data () {
    return {
      form: {
        list: [
          { aaa: '' }
        ]
      },
      rules: {
        aaa: [
          { required: true, message: '请输入', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    // 失去焦点时获取某一项值
    btn (item, index) {
      this.$refs.form.validateField(`list.${index}.aaa`, (err) => {
        if (err) {
          return;
        }
        console.log(item.aaa);
      }
      )
    },
    add () {
      this.form.list.push({
        aaa: ''
      })
    }
  }
}
</script>

<style lang="less" scoped>
.w-200 {
  width: 200px;
}
</style>