搭建自己的博客（二十二）：通过ajax提交评论信息，并增加公式编辑功能

编辑功能使用到了ckeditor的MathJax组件。ajax提交评论可以不用刷新浏览器。

1、变化的部分

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" alt="" width="323" height="717" />

2、上代码：

ul.blog-types,ul.blog-dates {
    list-style-type: none;
}

div.blog:not(:last-child) {
    margin-bottom: 2em;
    padding-bottom: 1em;
    border-bottom: 1px solid #eee;
}

div.blog h3 {
    margin-top: 0.5em;
}

div.blog-info p {
    margin-bottom:;
}
div.blog-info p span{
    margin-right: 10px;
}

div.blog-info-description {
    list-style-type: none;
    margin-bottom: 1em;
}

ul.blog-info-description li {
    display: inline-block;
    margin-right: 1em;
}

div.paginator {
    text-align: center;
}

div.container {
    max-width: 80%;
}

div.comment-area{
    margin-top: 2em;
}

h3.comment-area-title{
    border-bottom: 1px solid #ccc;
    padding-bottom: 0.4em;
}

div.django-ckeditor-widget {
    width: 100%;
}

blog.css

{# 引用模板 #}
{% extends 'base.html' %}
{% load staticfiles %}

{% block header_extends %}
    <link rel="stylesheet" href="{% static 'blog/blog.css' %}">
    {#  处理公式  #}
    <script src='https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js?config=TeX-MML-AM_CHTML'
            async></script>
    <script type="text/javascript" src="{% static "ckeditor/ckeditor-init.js" %}"></script>
    <script type="text/javascript" src="{% static "ckeditor/ckeditor/ckeditor.js" %}"></script>
{% endblock %}

{# 标题 #}
{% block title %}
    {{ blog.title }}
{% endblock %}

{# 内容#}
{% block content %}
    <div class="container">
        <div class="row">
            <div class="col-10 offset-1">
                <ul class="blog-info-description">
                    <h3>{{ blog.title }}</h3>
                    <li>作者：{{ blog.author }}</li>
                    {# 时间过滤器让时间按照自己需要的格式过滤 #}
                    <li>发布日期：{{ blog.created_time|date:"Y-m-d H:i:s" }}</li>
                    <li>分类：
                        <a href="{% url 'blogs_with_type' blog.blog_type.pk %}">
                            {{ blog.blog_type }}
                        </a>
                    </li>
                    <li>阅读({{ blog.get_read_num }})</li>
                </ul>
                <p class="blog-content">{{ blog.content|safe }}</p>

                <p>上一篇：
                    {% if previous_blog %}
                        <a href="{% url 'blog_detail' previous_blog.pk %}">{{ previous_blog.title }}</a>
                    {% else %}
                        <span>没有了</span>
                    {% endif %}
                </p>
                <p>下一篇：
                    {% if next_blog %}
                        <a href="{% url 'blog_detail' next_blog.pk %}">{{ next_blog.title }}</a>
                    {% else %}
                        <span>没有了</span>
                    {% endif %}
                </p>
            </div>
        </div>
        <div class="row">
            <div class="col-10 offset-1">
                <div class="comment-area">
                    <h3 class="comment-area-title">提交评论</h3>
                    {% if user.is_authenticated %}
                        <form id="comment-form" action="{% url 'update_comment' %}" method="post"
                              style="overflow: hidden">
                            {% csrf_token %}
                            <label for="form-control">{{ user.username }},欢迎评论～</label>
                            {% for field in comment_form %}
                                {{ field }}
                            {% endfor %}
                            <span id="comment-error" class="text-danger float-left"></span>
                            <input type="submit" value="评论" class="btn btn-primary float-right">
                        </form>
                    {% else %}
                        您尚未登录，登录之后方可评论
                        {# 提交登录的时候带上从哪里访问的路径 #}
                        <a class="btn btn-primary" href="{% url 'login' %}?from={{ request.get_full_path }}">登录</a>
                        <span> or </span>
                        <a class="btn-danger btn" href="{% url 'register' %}?from={{ request.get_full_path }}">注册</a>
                    {% endif %}
                </div>
                <div class="-comment-area">
                    <h3 class="comment-area-title">评论列表</h3>
                    <div id="comment-list">
                        {% for comment in comments %}
                            <div>
                                {{ comment.user.username }}
                                {{ comment.comment_time|date:"Y-m-d H:i:s" }}
                                {{ comment.text|safe }}
                            </div>
                        {% empty %}

                        {% endfor %}
                    </div>

                </div>
            </div>
        </div>
    </div>
{% endblock %}

{% block js %}
    <script>
        $('#comment-form').submit(function () {
            // 获取错误框
            let comment_error = $('#comment-error');
            comment_error.text('');

            // 更新数据到textarea
            CKEDITOR.instances['id_text'].updateElement();
            let comment_text = CKEDITOR.instances['id_text'].document.getBody().getText().trim();
            // 判断是否为空
            if (!(CKEDITOR.instances['id_text'].document.getBody().find('img')['$'].length !== 0 || comment_text !== '')) {
                // 显示错误信息
                comment_error.text('评论内容不能为空');
                return false;
            }
            //异步提交
            $.ajax({
                url: "{% url 'update_comment' %}",
                type: 'POST',
                data: $(this).serialize(),// 序列化表单值
                cache: false, // 关闭缓存
                success: function (data) {

                    if (data['status'] === 'SUCCESS') {
                        console.log(data);
                        //  插入数据
                        //  es6写法
                        let comment_html = `<div>${data["username"]} (${data["comment_time"]}): ${data["text"]}</div>`;
                        $('#comment-list').prepend(comment_html);
                        //  清空编辑框的内容
                        CKEDITOR.instances['id_text'].setData('');
                    } else {
                        // 显示错误信息
                        comment_error.text(data['message'])
                    }
                },
                error: function (xhr) {
                    console.log(xhr);
                }
            });
            return false;
        })
    </script>

    <script>
        $(".nav-blog").addClass("active").siblings().removeClass("active");
    </script>
{% endblock %}

blog_detail.html

{# 引用模板 #}
{% extends 'base.html' %}
{% load staticfiles %}

{% block header_extends %}
    <link rel="stylesheet" href="{% static 'blog/blog.css' %}">
    {#  处理公式  #}
    <script src='https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js?config=TeX-MML-AM_CHTML'
            async></script>
    <script type="text/javascript" src="{% static "ckeditor/ckeditor-init.js" %}"></script>
    <script type="text/javascript" src="{% static "ckeditor/ckeditor/ckeditor.js" %}"></script>
{% endblock %}

{# 标题 #}
{% block title %}
    {{ blog.title }}
{% endblock %}

{# 内容#}
{% block content %}
    <div class="container">
        <div class="row">
            <div class="col-10 offset-1">
                <ul class="blog-info-description">
                    <h3>{{ blog.title }}</h3>
                    <li>作者：{{ blog.author }}</li>
                    {# 时间过滤器让时间按照自己需要的格式过滤 #}
                    <li>发布日期：{{ blog.created_time|date:"Y-m-d H:i:s" }}</li>
                    <li>分类：
                        <a href="{% url 'blogs_with_type' blog.blog_type.pk %}">
                            {{ blog.blog_type }}
                        </a>
                    </li>
                    <li>阅读({{ blog.get_read_num }})</li>
                </ul>
                <p class="blog-content">{{ blog.content|safe }}</p>

                <p>上一篇：
                    {% if previous_blog %}
                        <a href="{% url 'blog_detail' previous_blog.pk %}">{{ previous_blog.title }}</a>
                    {% else %}
                        <span>没有了</span>
                    {% endif %}
                </p>
                <p>下一篇：
                    {% if next_blog %}
                        <a href="{% url 'blog_detail' next_blog.pk %}">{{ next_blog.title }}</a>
                    {% else %}
                        <span>没有了</span>
                    {% endif %}
                </p>
            </div>
        </div>
        <div class="row">
            <div class="col-10 offset-1">
                <div class="comment-area">
                    <h3 class="comment-area-title">提交评论</h3>
                    {% if user.is_authenticated %}
                        <form id="comment-form" action="{% url 'update_comment' %}" method="post"
                              style="overflow: hidden">
                            {% csrf_token %}
                            <label for="form-control">{{ user.username }},欢迎评论～</label>
                            {% for field in comment_form %}
                                {{ field }}
                            {% endfor %}
                            <span id="comment-error" class="text-danger float-left"></span>
                            <input type="submit" value="评论" class="btn btn-primary float-right">
                        </form>
                    {% else %}
                        您尚未登录，登录之后方可评论
                        {# 提交登录的时候带上从哪里访问的路径 #}
                        <a class="btn btn-primary" href="{% url 'login' %}?from={{ request.get_full_path }}">登录</a>
                        <span> or </span>
                        <a class="btn-danger btn" href="{% url 'register' %}?from={{ request.get_full_path }}">注册</a>
                    {% endif %}
                </div>
                <div class="-comment-area">
                    <h3 class="comment-area-title">评论列表</h3>
                    <div id="comment-list">
                        {% for comment in comments %}
                            <div>
                                {{ comment.user.username }}
                                {{ comment.comment_time|date:"Y-m-d H:i:s" }}
                                {{ comment.text|safe }}
                            </div>
                        {% empty %}

                        {% endfor %}
                    </div>

                </div>
            </div>
        </div>
    </div>
{% endblock %}

{% block js %}
    <script>
        $('#comment-form').submit(function () {
            // 获取错误框
            let comment_error = $('#comment-error');
            comment_error.text('');

            // 更新数据到textarea
            CKEDITOR.instances['id_text'].updateElement();
            let comment_text = CKEDITOR.instances['id_text'].document.getBody().getText().trim();
            // 判断是否为空
            if (!(CKEDITOR.instances['id_text'].document.getBody().find('img')['$'].length !== 0 || comment_text !== '')) {
                // 显示错误信息
                comment_error.text('评论内容不能为空');
                return false;
            }
            //异步提交
            $.ajax({
                url: "{% url 'update_comment' %}",
                type: 'POST',
                data: $(this).serialize(),// 序列化表单值
                cache: false, // 关闭缓存
                success: function (data) {

                    if (data['status'] === 'SUCCESS') {
                        console.log(data);
                        //  插入数据
                        //  es6写法
                        let comment_html = `<div>${data["username"]} (${data["comment_time"]}): ${data["text"]}</div>`;
                        $('#comment-list').prepend(comment_html);
                        //  清空编辑框的内容
                        CKEDITOR.instances['id_text'].setData('');
                    } else {
                        // 显示错误信息
                        comment_error.text(data['message'])
                    }
                },
                error: function (xhr) {
                    console.log(xhr);
                }
            });
            return false;
        })
    </script>

    <script>
        $(".nav-blog").addClass("active").siblings().removeClass("active");
    </script>
{% endblock %}

blog下的views.py

# -*- coding: utf-8 -*-
# @Time    : 18-11-20 下午10:47
# @Author  : Felix Wang

from django import forms
from django.contrib.contenttypes.models import ContentType
from django.db.models import ObjectDoesNotExist
from ckeditor.widgets import CKEditorWidget

class CommentForm(forms.Form):
    content_type = forms.CharField(widget=forms.HiddenInput)
    object_id = forms.IntegerField(widget=forms.HiddenInput)
    text = forms.CharField(widget=CKEditorWidget(config_name='comment_ckeditor'),
                           error_messages={'required': '评论内容不能为空'})

    def __init__(self, *args, **kwargs):
        if 'user' in kwargs:
            self.user = kwargs.pop('user')
        super().__init__(*args, **kwargs)

    # 表单验证
    def clean(self):
        # 判断用户是否登录
        if self.user.is_authenticated:
            self.cleaned_data['user'] = self.user
        else:
            raise forms.ValidationError('用户尚未登录')

        content_type = self.cleaned_data['content_type']
        object_id = self.cleaned_data['object_id']
        try:
            model_class = ContentType.objects.get(model=content_type).model_class()
            model_obj = model_class.objects.get(pk=object_id)
            self.cleaned_data['content_object'] = model_obj
        except ObjectDoesNotExist as e:
            raise forms.ValidationError('评论对象不存在')

        return self.cleaned_data

comment下的forms.py

from django.shortcuts import render, reverse, redirect
from django.http import JsonResponse
from .models import Comment
from django.contrib.contenttypes.models import ContentType
from .forms import CommentForm
import re
import copy

def update_commit(requests):
    comment_form = CommentForm(requests.POST, user=requests.user)
    if comment_form.is_valid():
        comment = Comment()
        comment.user = comment_form.cleaned_data['user']
        comment.text = comment_form.cleaned_data['text']
        comment.content_object = comment_form.cleaned_data['content_object']
        comment.save()
        # 返回数据
        data = {
            'status': 'SUCCESS',
            'username': comment.user.username,
            'comment_time': comment.comment_time.strftime('%Y-%m-%d %H:%M:%S'),
            'text': comment.text.strip(),
        }
    else:
        data = {
            'status': 'ERROR',
            'message': list(comment_form.errors.values())[0][0],
        }
    return JsonResponse(data)

comment下的biews.py

# -*- coding: utf-8 -*-
# @Time    : 18-11-20 下午8:10
# @Author  : Felix Wang

from django import forms
from django.contrib import auth
from django.contrib.auth.models import User

class LoginForm(forms.Form):
    username = forms.CharField(label='用户名', required=True,
                               widget=forms.TextInput(attrs={'class': 'form-control', 'placeholder': '请输入用户名'}))
    # widget指定input标签类型
    password = forms.CharField(label='密码',
                               widget=forms.PasswordInput(attrs={'class': 'form-control', 'placeholder': '请输入密码'}))

    def clean(self):  # 验证数据
        username = self.cleaned_data['username']
        password = self.cleaned_data['password']
        user = auth.authenticate(username=username, password=password)
        if user is None:
            raise forms.ValidationError('用户名或密码错误')
        self.cleaned_data['user'] = user  # 将验证过的user放入clean_data
        return self.cleaned_data

class RegisterForm(forms.Form):
    # 用户名字段
    username = forms.CharField(label='用户名',
                               max_length=30,
                               min_length=3,
                               required=True,
                               widget=forms.TextInput(attrs={'class': 'form-control', 'placeholder': '请输入用户名'}))
    # 邮箱字段
    email = forms.EmailField(label='邮箱',
                             min_length=3,
                             required=True,
                             widget=forms.EmailInput(attrs={'class': 'form-control', 'placeholder': '请输入邮箱'}))
    # 密码字段
    password = forms.CharField(label='密码',
                               min_length=6,
                               required=True,
                               widget=forms.PasswordInput(
                                   attrs={'class': 'form-control', 'placeholder': '请输入密码'}))
    # 再次输入密码
    password_again = forms.CharField(label='确认密码',
                                     min_length=6,
                                     required=True,
                                     widget=forms.PasswordInput(
                                         attrs={'class': 'form-control', 'placeholder': '请再输入一次密码'}))

    def clean_username(self):
        username = self.cleaned_data['username']
        if User.objects.filter(username=username).exists():
            raise forms.ValidationError('用户名已存在')
        return username

    def clean_email(self):
        email = self.cleaned_data['email']
        if User.objects.filter(email=email).exists():
            raise forms.ValidationError('邮箱已存在')

        return email

    def clean_password_again(self):
        password = self.cleaned_data['password']
        password_again = self.cleaned_data['password_again']
        if password != password_again:
            raise forms.ValidationError('两次输入的密码不一致')
        return password_again

myblog下的forms.py

"""
Django settings for myblog project.

Generated by 'django-admin startproject' using Django 2.1.3.

For more information on this file, see
https://docs.djangoproject.com/en/2.1/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/2.1/ref/settings/
"""

import os

# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))

# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/2.1/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = 'ea+kzo_5k^6r7micfg@lar1(rfdc08@b4*+w5d11=0mp1p5ngr'

# SECURITY WARNING: don't run with debug turned on in production!2.
DEBUG = True

ALLOWED_HOSTS = ['*']

# Application definition

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'ckeditor',
    'ckeditor_uploader',
    'blog.apps.BlogConfig',  # 将自己创建的app添加到设置中
    'read_statistics.apps.ReadStatisticsConfig',  # 注册阅读统计app
    'comment.apps.CommentConfig',  # 注册评论

]

MIDDLEWARE = [
    'django.middleware.security.SecurityMiddleware',
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
    'blog.middleware.mymiddleware.My404',  # 添加自己的中间件
]

ROOT_URLCONF = 'myblog.urls'

TEMPLATES = [
    {
        'BACKEND': 'django.template.backends.django.DjangoTemplates',
        'DIRS': [
            os.path.join(BASE_DIR, 'templates'),
        ],
        'APP_DIRS': True,
        'OPTIONS': {
            'context_processors': [
                'django.template.context_processors.debug',
                'django.template.context_processors.request',
                'django.contrib.auth.context_processors.auth',
                'django.contrib.messages.context_processors.messages',
            ],
        },
    },
]

WSGI_APPLICATION = 'myblog.wsgi.application'

# Database
# https://docs.djangoproject.com/en/2.1/ref/settings/#databases

DATABASES = {
    # 'default': {
    #     'ENGINE': 'django.db.backends.sqlite3',
    #     'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
    # }
    'default': {
        'ENGINE': 'django.db.backends.mysql',
        'NAME': 'myblogs',  # 要连接的数据库，连接前需要创建好
        'USER': 'root',  # 连接数据库的用户名
        'PASSWORD': 'felixwang',  # 连接数据库的密码
        'HOST': '127.0.0.1',  # 连接主机，默认本级
        'PORT': 3306  # 端口 默认3306
    }
}

# Password validation
# https://docs.djangoproject.com/en/2.1/ref/settings/#auth-password-validators

AUTH_PASSWORD_VALIDATORS = [
    {
        'NAME': 'django.contrib.auth.password_validation.UserAttributeSimilarityValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.MinimumLengthValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.CommonPasswordValidator',
    },
    {
        'NAME': 'django.contrib.auth.password_validation.NumericPasswordValidator',
    },
]

# Internationalization
# https://docs.djangoproject.com/en/2.1/topics/i18n/

# LANGUAGE_CODE = 'en-us'
# 语言
LANGUAGE_CODE = 'zh-hans'

# TIME_ZONE = 'UTC'
# 时区
TIME_ZONE = 'Asia/Shanghai'

USE_I18N = True

USE_L10N = True

# 不考虑时区
USE_TZ = False

# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/2.1/howto/static-files/

STATIC_URL = '/static/'
STATICFILES_DIRS = [
    os.path.join(BASE_DIR, "static")
]

# media
MEDIA_URL = '/media/'
MEDIA_ROOT = os.path.join(BASE_DIR, 'media')

# 配置ckeditor
CKEDITOR_UPLOAD_PATH = 'upload/'

# 自定义参数
EACH_PAGE_BLOGS_NUMBER = 7

# 设置数据库缓存
CACHES = {
    'default': {
        'BACKEND': 'django.core.cache.backends.db.DatabaseCache',
        'LOCATION': 'my_read_num_cache_table',
    }
}

# ckeditor 代码高亮,以及公式
CKEDITOR_CONFIGS = {
    'default': {
        'skin': 'moono',
        'tabSpaces': 4,
        'mathJaxLib': 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.5/MathJax.js?config=TeX-MML-AM_CHTML',
        'toolbar': (
            ['div', 'Source', '-', 'Save', 'NewPage', 'Preview', '-', 'Templates'],
            ['Cut', 'Copy', 'Paste', 'PasteText', 'PasteFromWord', '-', 'Print',
             'SpellChecker', 'Scayt'],
            ['Undo', 'Redo', '-', 'Find', 'Replace', '-', 'SelectAll', 'RemoveFormat',
             '-', 'Maximize', 'ShowBlocks', '-', "CodeSnippet", 'Mathjax', 'Subscript',
             'Superscript'],
            ['Form', 'Checkbox', 'Radio', 'TextField', 'Textarea', 'Select', 'Button',
             'ImageButton', 'HiddenField'],
            ['Bold', 'Italic', 'Underline', 'Strike', '-'],
            ['NumberedList', 'BulletedList', '-', 'Outdent', 'Indent', 'Blockquote'],
            ['JustifyLeft', 'JustifyCenter', 'JustifyRight', 'JustifyBlock'],
            ['Link', 'Unlink', 'Anchor'],
            ['Image', 'Flash', 'Table', 'HorizontalRule', 'Smiley', 'SpecialChar',
             'PageBreak'], ['Styles', 'Format', 'Font', 'FontSize'],
            ['TextColor', 'BGColor'],),
        'extraPlugins': ','.join([
            'codesnippet',
            'mathjax',
            'dialog',
            'dialogui',
            'lineutils',
        ]),
    },
    'comment_ckeditor': {
        'toolbar': 'custom',
        'toolbar_custom': [
            ['Bold', 'Italic', 'Underline', 'Strike', 'Subscript', 'Superscript'],
            ['TextColor', 'BGColor', 'RemoveFormat'],
            ['NumberedList', 'BulletedList'],
            ['Link', 'Unlink'],
            ['Smiley', 'SpecialChar', 'Blockquote'],
        ],
        'width': 'auto',
        'height': '',
        'tabSpace': 4,
        'removePlugins': 'elementspath',
        'resize_enabled': False,
    }
}

settings.py