vue-element-ui 表单结构

<template>
    <div class="login_container">
        <div class="login_box">
            <!-- 头像区域 -->
            <div class="avatar_box">
                <img src="../assets/logo.png" >
            </div>
            <!-- 登录表单区域 -->
            <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" label-width="0px" class="login_form">
                <!-- 用户名 -->
                <el-form-item prop="username">
                    <el-input v-model="loginForm.username" prefix-icon ="iconfont icon-user"></el-input>
                </el-form-item>
                <!-- 密码 -->
                <el-form-item prop="password">
                    <el-input v-model="loginForm.password" prefix-icon ="iconfont icon-3702mima"></el-input>
                </el-form-item>
                <!-- 按钮区域 -->
                <el-form-item class="btns">
                      <el-button type="primary" @click="login">登录</el-button>
                      <el-button type="info" @click="resetLoginForm">重置</el-button>
                </el-form-item>
            </el-form>
        </div>
    </div>
</template>

<script>
export default {
    data(){
        return {
            // 这是登录表单的数据绑定对象
            loginForm: {
                username: ‘admin‘,
                password: ‘123456‘
            },
            loginFormRules: {
                // 验证用户名是否合法
                username: [
                    {required: true, message: "请输入登录名称", trigger: ‘blur‘},
                    { min: 3, max: 10, message: ‘长度在 3 到 10 个字符‘, trigger: ‘blur‘ }
                ],
                // 验证密码是否合法
                password: [
                    {required: true, message: "请输入登录密码", trigger: ‘blur‘},
                    { min: 3, max: 15, message: ‘长度在 3 到 15 个字符‘, trigger: ‘blur‘ }
                ]
            }
        }
    },
    methods: {
        // 点击重置按钮，重置登录表单 , 重置到双向绑定初始数据
        resetLoginForm(){
            console.log(this)
            this.$refs.loginFormRef.resetFields();
        },
        login(){
            this.$refs.loginFormRef.validate(async (valid) => {  // 表单登录之前进行预验证, 返回值validate为true/false, 可传回调函数
                console.log(valid)
                if ( !valid ) return;
                const {data: res} = await this.$http.post(‘login‘, this.loginForm)
                console.log(res)

                if (res.meta.status !== 200) return this.$message.error(‘登录失败‘)
                this.$message.success(‘登录成功‘)
                //   1.1 项目中出了登录之外的其他API接口，必须在登录之后才能访问
                //   1.2 token 只应在当前网站打开期间生效，所以将 token 保存在 sessionStorage 中
                window.sessionStorage.setItem(‘token‘, res.data.token)
                // 2. 通过编程式导航跳转到后台主页，路由地址是 /home
                this.$router.push(‘/home‘)
            })
        }
    }
}
</script>

<style  lang="less" scoped>
.login_container{
    background-color: #2b4b6b;
    height: 100%;
}
.login_box{
    width: 450px;
    height: 300px;
    background: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);

    .avatar_box{
        height: 130px;
        width: 130px;
        border: 1px solid #eeeeee;
        border-radius: 50%;
        padding: 10px;
        position: absolute;
        left: 50%;
        box-shadow: 0 0 10px #dddddd;
        transform: translate(-50%, -50%);
        background-color: #fff;
        img{
            width: 100%;
            height: 100%;
            border-radius: 50%;
            background-color: #eeeeee;
        }
    }
}
.login_form{
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 0 20px;
    box-sizing: border-box;
}
.btns{
    display: flex;
    justify-content: center;
}

</style>