<template><el-form :model="ruleForm2" :rules="rules2" ref="ruleForm2" label-position="left" label-width="0px"         class="demo-ruleForm login-container" >    <h3 class="title">系統(tǒng)登錄</h3>    <el-form-item prop="account">        <el-input type="text" v-model="ruleForm2.account" auto-complete="off" placeholder="賬號"></el-input>    </el-form-item>    <el-form-item prop="password">        <el-input type="password" v-model="ruleForm2.password" auto-complete="off" placeholder="密碼" @keyup.enter.native="handleSubmit2"></el-input>    </el-form-item>    <el-form-item style="width:100%;">        <el-button type="primary" style="width:100%;"  @click.native.prevent="handleSubmit2" :loading="logining" >登錄        </el-button>    </el-form-item></el-form></template>@keyup.enter這里必須加上 .native 才能生效.