Python 网站开发(10) -- 用户注册和登录页面

用户注册和登录页面

有了父模板,有了用户注册和登录验证的API,构建注册和登录页面就十分容易了。首先我们来构建用户注册页面register.html(在路径www/templates下):

<!-- 继承父模板 '__base__.html' -->
{% extends '__base__.html' %}
<!--jinja2 title 块内容替换-->
{% block title %}Register/注册{% endblock %}
<!--jinja2 beforehead 块内容替换-->
{% block beforehead %}
<!--script中构建vue,向后端API提交合格的注册信息数据-->
<script>

function validateEmail(email) {
    var re = /^[a-z0-9\.\-\_]+\@[a-z0-9\-\_]+(\.[a-z0-9\-\_]+){1,4}$/;
    return re.test(email.toLowerCase());
}

$(function () {
    var vm = new Vue({
        el: '#vm',
        data: {
            name: '',
            email: '',
            password1: '',
            password2: ''
        },
        methods: {
            submit: function (event) {
                event.preventDefault();
                var $form = $('#vm');
                if (! this.name.trim()) {
                    return $form.showFormError('NAME/请输入名字');
                }
                if (! validateEmail(this.email.trim().toLowerCase())) {
                    return $form.showFormError('CORRECT EMAIL/请输入正确的Email地址');
                }
                if (this.password1.length < 6) {
                    return $form.showFormError('PASSWORD AT LEAST 6 CHAR/口令长度至少为6个字符');
                }
                if (this.password1 !== this.password2) {
                    return $form.showFormError('PASSWORD INCONSIST/两次输入的口令不一致');
                }
                var email = this.email.trim().toLowerCase();
                $form.postJSON('/api/users', {
                    name: this.name.trim(),
                    email: email,
                    passwd: CryptoJS.SHA1(email + ':' + this.password1).toString()
                }, function (err, r) {
                    if (err) {
                        return $form.showFormError(err);
                    }
                    return location.assign('/');
                });
            }
        }
    });
    $('#vm').show();
});

</script>

{% endblock %}

<!--jinja2 content 块内容替换,构建注册页面UI主要内容-->
{% block content %}
    <div class="uk-grid">
    <div class="uk-width-1-1">
        <h4>REGISTER/欢迎注册!</h4>
        <form id="vm" v-on="submit: submit" class="uk-form-stacked">
            <div class="uk-alert uk-alert-danger uk-hidden"></div>
            <div class="uk-margin-top">
                <label class="uk-form-label">NAME/名字:</label>
                <div class="uk-form-controls">
                    <input class="uk-input uk-form-width-medium" v-model="name" type="text" maxlength="50" placeholder="名字">
                </div>
            </div>
            <div class="uk-margin-top">
                <label class="uk-form-label">EMAIL/电子邮件:</label>
                <div class="uk-form-controls">
                    <input class="uk-input uk-form-width-medium" v-model="email" type="text" maxlength="50" placeholder="your-name@example.com">
                </div>
            </div>
            <div class="uk-margin-top">
                <label class="uk-form-label">PASSWORD/输入口令:</label>
                <div class="uk-form-controls">
                    <input class="uk-input uk-form-width-medium" v-model="password1" type="password" maxlength="50" placeholder="输入口令">
                </div>
            </div>
            <div class="uk-margin">
                <label class="uk-form-label">REPEAT PASSWORD/重复口令:</label>
                <div class="uk-form-controls">
                    <input class="uk-input uk-form-width-medium" v-model="password2" type="password" maxlength="50" placeholder="重复口令">
                </div>
            </div>
            <div class="uk-margin-large">
                <button type="submit" class="uk-button uk-button-primary"><i class="uk-icon-user"></i>REGISTER/注册</button>
            </div>
        </form>
    </div>
    </div>

{% endblock %}

登录页面更为简单,在www/templates下编写signin.html:

<!-- 继承父模板 '__base__.html' -->
{% extends '__base__.html' %}
<!--jinja2 title 块内容替换-->
{% block title %}Signin/登陆{% endblock %}
<!--jinja2 beforehead 块内容替换-->
{% block beforehead %}
<!--script中构建vue,向后端API提交登录验证信息数据-->
<script>

$(function() {
    var vmAuth = new Vue({
        el: '#vm',
        data: {
            email: '',
            passwd: ''
        },
        methods: {
            submit: function(event) {
                event.preventDefault();
                var $form = $('#vm');
                var email = this.email.trim().toLowerCase();
                var data = {
                        email: email,
                        passwd: this.passwd==='' ? '' : CryptoJS.SHA1(email + ':' + this.passwd).toString()
                    };
                $form.postJSON('/api/authenticate', data, function(err, result) {
                    if (! err) {
                        location.assign('/');
                    }
                });
            }
        }
    });
    $('#vm').show();
});

</script>

{% endblock %}

<!--jinja2 content 块内容替换,构建登录页面UI主要内容-->
{% block content %}
    <div class="uk-grid">
    <div class="uk-width-1-1">
        <h4>SIGNIN/欢迎登陆!</h4>
        <form id="vm" v-on="submit: submit" class="uk-form-stacked">
            <div class="uk-alert uk-alert-danger uk-hidden"></div>
            <div class="uk-margin-top">
                <label class="uk-form-label">EMAIL/电子邮箱:</label>
                <div class="uk-inline">
                    <span class="uk-form-icon" uk-icon="user"></span>
                    <input class="uk-input uk-form-width-medium" v-model="email" type="text" maxlength="50" placeholder="Email">
                </div>
            </div>
            <div class="uk-margin-top">
                <label class="uk-form-label">PASSWORD/输入口令:</label>
                <div class="uk-inline">
                    <span class="uk-form-icon uk-form-icon-flip" uk-icon="lock"></span>
                    <input class="uk-input uk-form-width-medium" v-model="passwd" type="password" maxlength="50" placeholder="口令">
                </div>
            </div>
            <div class="uk-margin-top">
                <button type="submit" class="uk-button uk-button-primary">SIGNIN/登陆</button>
            </div>
        </form>
    </div>
    </div>

{% endblock %}

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