<el-form ref="form" :model="form" :rules="rules" label-width="0px"  class="demo-ruleForm">
<el-form-item prop="username">
<el-input v-model="form.username" placeholder="username">
<el-button slot="prepend" icon="el-icon-user"></el-button>
</el-input>
</el-form-item>
<el-form-item prop="password">
<el-input type="password" v-model="form.password" placeholder="password">
<el-button slot="prepend" icon="el-icon-goods"></el-button>
</el-input>
</el-form-item>
<el-button type="primary" @click="submitForm()" class="login-btn">登录</el-button>
</el-form>
this.$refs.form.validate((valid) => {
if (valid) {


this.$message.success('登录成功')
this.$router.push('/')
} else {
this.$message.error('请输入账号和密码')
console.log('error submit!')
return false
}
})