动态表单获取某一项值

<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>