关于表单校验，:rules=“loginRules“

 在写好validator相关的方法后，rule测试没有生效

<el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form"

<el-form-item prop="username">

<el-input

          ref="username"

          v-model="loginForm.username"

          placeholder="Username"

          name="username"

<template><div class="login-container"><el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on" label-position="left"><div class="title-container"><h3 class="title">Login Form</h3></div><el-form-item prop="username"><span class="svg-container"><svg-icon icon-class="user" /></span><el-inputref="username"v-model="loginForm.username"placeholder="Username"name="username"type="text"tabindex="1"auto-complete="on"/></el-form-item><el-form-item prop="password"><span class="svg-container"><svg-icon icon-class="password" /></span><el-input:key="passwordType"ref="password"v-model="loginForm.password":type="passwordType"placeholder="Password"name="password"tabindex="2"auto-complete="on"@keyup.enter.native="handleLogin"/><span class="show-pwd" @click="showPwd"><svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" /></span></el-form-item><el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;" @click.native.prevent="handleLogin">Login</el-button><div class="tips"><span style="margin-right:20px;">username: admin</span><span> password: any</span></div></el-form></div>
</template><script>
import { validUsername } from '@/utils/validate'
import { v4 as uuidv4 } from 'uuid';
export default {name: 'Login',data() {const validateUsername = (rule, value, callback) => {if (!validUsername(value)) {callback(new Error('Please enter the correct user name'))} else {callback()}}const validatePassword = (rule, value, callback) => {if (value.length < 6) {callback(new Error('The password can not be less than 6 digits'))} else {callback()}}return {loginForm: {username: 'admin',password: '111111'},loginRules: {username: [{ required: true, trigger: 'blur', validator: validateUsername }],password: [{ required: true, trigger: 'blur', validator: validatePassword }]},loading: false,passwordType: 'password',redirect: undefined}},watch: {$route: {handler: function(route) {this.redirect = route.query && route.query.redirect},immediate: true}},methods: {showPwd() {if (this.passwordType === 'password') {this.passwordType = ''} else {this.passwordType = 'password'}this.$nextTick(() => {this.$refs.password.focus()})},handleLogin() {var a = uuidv4();this.$refs.loginForm.validate(valid => {if (valid) {this.loading = truethis.$store.dispatch('user/login', this.loginForm).then(() => {this.$router.push({ path: this.redirect || '/' })this.loading = false}).catch(() => {this.loading = false})} else {console.log('error submit!!')return false}})}}
}
</script><style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */$bg:#283443;
$light_gray:#fff;
$cursor: #fff;@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {.login-container .el-input input {color: $cursor;}
}/* reset element-ui css */
.login-container {.el-input {display: inline-block;height: 47px;width: 85%;input {background: transparent;border: 0px;-webkit-appearance: none;border-radius: 0px;padding: 12px 5px 12px 15px;color: $light_gray;height: 47px;caret-color: $cursor;&:-webkit-autofill {box-shadow: 0 0 0px 1000px $bg inset !important;-webkit-text-fill-color: $cursor !important;}}}.el-form-item {border: 1px solid rgba(255, 255, 255, 0.1);background: rgba(0, 0, 0, 0.1);border-radius: 5px;color: #454545;}
}
</style><style lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;.login-container {min-height: 100%;width: 100%;background-color: $bg;overflow: hidden;.login-form {position: relative;width: 520px;max-width: 100%;padding: 160px 35px 0;margin: 0 auto;overflow: hidden;}.tips {font-size: 14px;color: #fff;margin-bottom: 10px;span {&:first-of-type {margin-right: 16px;}}}.svg-container {padding: 6px 5px 6px 15px;color: $dark_gray;vertical-align: middle;width: 30px;display: inline-block;}.title-container {position: relative;.title {font-size: 26px;color: $light_gray;margin: 0px auto 40px auto;text-align: center;font-weight: bold;}}.show-pwd {position: absolute;right: 10px;top: 7px;font-size: 16px;color: $dark_gray;cursor: pointer;user-select: none;}
}
</style>