周末手撸管理系统(一)

周末手撸管理系统(一)

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1.首先进行设置

settings.py

"""
Django settings for drf_test project.

Generated by 'django-admin startproject' using Django 1.11.22.

For more information on this file, see
https://docs.djangoproject.com/en/1.11/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/1.11/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/1.11/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = 'ppa5l3jvxr4k^ow*4o+0_^7@&sa3x+!hb_$artwraa%60iq@g7'

# SECURITY WARNING: don't run with debug turned on in production!
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',
    'drf_api',
]

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',
]

ROOT_URLCONF = 'drf_test.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 = 'drf_test.wsgi.application'


# Database
# https://docs.djangoproject.com/en/1.11/ref/settings/#databases

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
    }
}


# Password validation
# https://docs.djangoproject.com/en/1.11/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/1.11/topics/i18n/

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_L10N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/1.11/howto/static-files/

STATIC_URL = '/static/'
STATICFILES_DIRS=(os.path.join(BASE_DIR,'static'),)
AUTH_USER_MODEL = "drf_api.UserInfo"
MEDIA_URL  = "/img/"
MEDIA_ROOT = os.path.join(BASE_DIR, "img")

2.创建模型以及form组件

models.py

from django.db import models
from django.contrib.auth.models import AbstractUser
# Create your models here.
class UserInfo(AbstractUser):
    avatar = models.FileField(upload_to='avatar/', default='avatar/default.png')
    class Meta:
        verbose_name='用户表'
        verbose_name_plural = verbose_name

userinfo_form.py

from django import forms
from django.forms import widgets

from django.core.exceptions import ValidationError

from drf_api import models

class Register(forms.Form):
    username=forms.CharField(max_length=18,min_length=3,label="用户名",
                         error_messages={'max_length':'太长了',
                                         'min_length':'太短了',
                                         'required':'不能为空'},
                            widget=widgets.TextInput(attrs={'class':'form-control'}),
                         )
    password=forms.CharField(max_length=18,min_length=3,label="密码",
                         error_messages={'max_length':'太长了',
                                         'min_length':'太短了',
                                         'required':'不能为空'},
                            widget=widgets.PasswordInput(attrs={'class':'form-control'}),
                         )
    re_pwd=forms.CharField(max_length=18,min_length=3,label="确认密码",
                         error_messages={'max_length':'太长了',
                                         'min_length':'太短了',
                                         'required':'不能为空'},
                            widget=widgets.PasswordInput(attrs={'class':'form-control'}),
                         )
    email=forms.EmailField(max_length=18,min_length=3,label="邮箱",
                         error_messages={'max_length':'太长了',
                                         'min_length':'太短了',
                                         'required':'不能为空'},
                            widget=widgets.EmailInput(attrs={'class':'form-control'}),
                         )
    def clean_username(self):
        name=self.cleaned_data.get('username')
        user=models.UserInfo.objects.filter(username=name).first()
        if user:
            raise ValidationError('用户已经存在')
        else:
            return name

    def clean(self):
        pwd=self.cleaned_data.get('password')
        r_pwd=self.cleaned_data.get('re_pwd')
        if pwd==r_pwd:
            return self.cleaned_data
        else:
            raise ValidationError('两次密码不一致')

3.页面

母版

template.html

<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8">
    <link rel="stylesheet" href="/static/bootstrap-3.3.7-dist/css/bootstrap.min.css">
    <script src="/static/jquery-3.4.1.min.js"></script>
    <script src="/static/bootstrap-3.3.7-dist/js/bootstrap.min.js"></script>
    <title>{% block title_text %}{% endblock %}</title>
</head>
<style>
    .header {
        position: fixed;
        top: 0;
        left: 0;
        height: 100px;
         100%;
        background: red;
    }
    .header_left{

        position: absolute;
        line-height: 100px;
        font-size: 50px;
        20% ;
        text-align: center;
        background: black;
        color: white;
    }
    .header_right{
        float: right;
                line-height: 100px;
    }
    .body {
        position: fixed;
        top: 100px;
        left: 0;
        bottom: 20px;
         100%;
    }

    .body_left {
        position: fixed;
        top: 100px;
        left: 0;
        bottom: 20px;
         20%;
        background: white;
    }
    .body_right {
        overflow: auto;
        position: fixed;
        top: 100px;
        left: 20%;
        bottom: 20px;
         80%;
        background: #2aabd2;
    }

    .footer {
        position: fixed;
        left: 0;
        bottom: 0;
        height: 20px;
         100%;
        background: black;
    }
</style>
{% block new_css %}
{% endblock %}
<body>
<div class="header">
    <div class="header_left">管理系统</div>
    <div class="header_right">
        <a href="http://127.0.0.1:8000/login/">登入</a>
        <a href="http://127.0.0.1:8000/register/">注册</a>
    </div>
</div>
<div class="body">
    <div class="body_left">
        <ul class="nav nav-pills nav-stacked nav-pills-stacked-example">
      <li role="presentation" class="active"><a>库存管理</a></li>
         <li role="presentation"><a href="#">查看商品</a></li>
      <li role="presentation"><a href="#">添加商品</a></li>
      <li role="presentation"><a href="#">删除商品</a></li>
    </ul>
                <ul class="nav nav-pills nav-stacked nav-pills-stacked-example">
      <li role="presentation" class="active"><a>订单管理</a></li>
       <li role="presentation"><a href="#">查看订单</a></li>
      <li role="presentation"><a href="#">添加订单</a></li>
      <li role="presentation"><a href="#">删除订单</a></li>
      <li role="presentation"><a href="#">订单号快速查询</a></li>
    </ul>
    </div>
    <div class="body_right">
        {% block data %}
        {% endblock %}
    </div>
</div>
<div class="footer"></div>
</body>
</html>
{% block new_js %}
{% endblock %}

登入

login.html

{% extends 'template.html' %}
{% block title_text %}
    登入
{% endblock %}
{% block new_css %}
{% endblock %}
{% block data %}
    <div class="container-fluid center-block">
        <div class="row">
            <div class="col-md-6 col-md-offset-3">
                {% csrf_token %}
                <h1>登陆</h1>
                <form action="">
                    <div class="form-group">
                        <label for="id_name">用户名</label>
                        <input type="text" name="name" id="id_name" class="form-control">
                    </div>
                    <div class="form-group">
                        <label for="pwd">密码</label>
                        <input type="password" name="pwd" id="pwd" class="form-control">
                    </div>
                    <div class="form-group">
                        <label for="id_code">验证码</label>
                        <div class="row">
                            <div class="col-md-6">
                                <input type="text" name="code" id="id_code" class="form-control">
                            </div>
                            <div class="col-md-6" id="img">
                                <img src="/get_code/" height="40" width="240" class="img-code">
                            </div>
                        </div>
                    </div>
                    <input type="button" value="提交" class="btn-success" id="up_data">
                    <span style="color: red" id="msg"></span>
                </form>
            </div>
        </div>
    </div>
{% endblock %}
{% block new_js %}
    <script>
        $('.img-code').click(function () {
            var img_code_src = $(this).attr('src');
            img_code_src += '1';
            console.log(img_code_src);
            $(this).attr('src', img_code_src)
        })
    </script>

    <script>
        $('#up_data').click(function () {
            $.ajax({
                type: 'post',
                url: '/login/',
                data: {
                    'name': $('#id_name').val(),
                    'pwd': $('#pwd').val(),
                    'code': $('#id_code').val(),
                    'csrfmiddlewaretoken': '{{csrf_token}}'
                },
                success: function (msg) {
                    console.log(msg);
                    $('#msg').text(msg);
                    if (msg == '登入成功') {
                        console.log('sb');
                        window.location.replace('http://www.baidu.com');
                    }
                }
            })
        })
    </script>
{% endblock %}

登入

register.html

{% extends 'template.html' %}
{% block title_text %}
    注册
{% endblock %}
{% block new_css %}
{% endblock %}
{% block data %}
    <div class="container-fluid">
        <div class="row">
            <div class="col-md-6 col-md-offset-3">

                <h1>注册</h1>
                <form id="my_form">
                    {% for foo in form %}
                        <div class="form-group">
                            <label for="{{ foo.auto_id }}">{{ foo.label }}</label>
                            {{ foo }} <span style="color: red" class="error pull-right"></span>
                        </div>

                    {% endfor %}
                    <div class="form-group">
                        <label for="id_file">头像
                            <img src="/img/avatar/default.png" width="80" height="80" style="margin-left: 20px"
                                 id="id_img">
                        </label>


                        <input type="file" name="file" id="id_file" style="display: none">
                    </div>
                    <input type="button" class="btn btn-success" value="提交" id="id_submit">
                </form>
            </div>
        </div>
    </div>
{% endblock %}
{% block new_js %}
    <script>
        $("#id_file").change(function () {
            var file = $("#id_file")[0].files[0]
            var filereader = new FileReader()
            filereader.readAsDataURL(file)
            filereader.onload = function () {
                $("#id_img").attr('src', filereader.result)
            }
        })
        $("#id_submit").click(function () {
            var formdata = new FormData()
            var my_form_data = $("#my_form").serializeArray()
            $.each(my_form_data, function (k, v) {
                {#console.log(k)#}
                {#console.log(v)#}
                formdata.append(v.name, v.value)
            })
            formdata.append('avatar', $("#id_file")[0].files[0])


            $.ajax({
                url: '/register/',
                type: 'post',
                processData: false, 
                contentType: false,
                data: formdata,
                success: function (data) {
                    //console.log(data)
                    if (data.code == 100) {
                        location.href = '/login/'
                    } else if (data.code == 101) {
                        $.each(data.msg, function (k, v) {
                            console.log(k)
                            console.log(v)
                            $("#id_" + k).next().html(v[0])
                            if (k == '__all__') {
                                $("#id_re_pwd").next().html(v[0])
                            }
                        })
                    }
                    //定时器
                    setTimeout(function () {
                        $(".error").html("")
                    }, 3000)
                }
            })
        })
    </script>
{% endblock %}

4.路由

urls.py

from django.conf.urls import url
from django.contrib import admin
from drf_api import views
from django.views.static import serve
from .settings import MEDIA_ROOT
urlpatterns = [
    url(r'^admin/', admin.site.urls),
    url(r'^register/', views.register),
    url(r'^login/', views.login),
    url(r'^get_code/', views.get_code),
    url(r'^img/(?P<path>.*)', serve, {'document_root': MEDIA_ROOT}),
]

5.视图

from django.shortcuts import render,HttpResponse,redirect
from django.http import JsonResponse

from PIL import Image,ImageDraw,ImageFont
import random

from io import BytesIO

from django.contrib import auth

from drf_api.userinfo_form import Register
from drf_api import models







def register(request):
    if request.method=='GET':
        form=Register()
        return render(request,'register.html',{'form':form})
    elif request.is_ajax():
        response={'code':100,'msg':None}
        form = Register(request.POST)
        if form.is_valid():
            #校验通过的数据
            clean_data=form.cleaned_data
            #把re_pwd剔除
            clean_data.pop('re_pwd')
            #取出头像
            avatar=request.FILES.get('avatar')
            if avatar:
                clean_data['avatar']=avatar
            user=models.UserInfo.objects.create_user(**clean_data)
            if user:
                response['msg'] = '创建成功'
            else:
                response['code'] = 103
                response['msg'] = '创建失败'
        else:
            response['code']=101
            #把校验不通过的数据返回
            response['msg']=form.errors
            print(type(form.errors))
        return JsonResponse(response,safe=False)


def login(request):
    if request.method=='GET':
        return render(request,'login.html')
    else:
        print(request.POST)
        user_name=request.POST.get('name')
        pwd=request.POST.get('pwd')
        code=request.POST.get('code')

        user=auth.authenticate(username=user_name,password=pwd)
        print(user)
        if request.session.get('code').upper() !=code.upper(): #忽略大小写
            return HttpResponse('验证码错误')
        elif not user:
            return HttpResponse('账号密码错误')
        else:
            auth.login(request,user)
            return HttpResponse('登入成功')



def get_code(request):
    if request.method == 'GET':
        img = Image.new('RGB', (350, 40), (random.randint(0, 255), random.randint(0, 255), random.randint(0, 255)))
        # 写文字
        # 生成一个字体对象
        font = ImageFont.truetype('/static/Gabriola.ttf', 34)
        # 调用方法，返回一个画板对象
        draw = ImageDraw.Draw(img)

        new_text =''
        # 生成随机8位数字
        for x_index in range(1, 8):
            num = chr(random.randint(48, 57))
            word = chr(random.randint(65, 90))
            word_1 = chr(random.randint(97, 122))
            text =random.choice((num, word, word_1))
            draw.text((x_index * 32, 0),text, font=font)
            new_text +=text

        # 加点线
        width = 320
        height = 35
        for i in range(5):
            x1 = random.randint(0, width)
            x2 = random.randint(0, width)
            y1 = random.randint(0, height)
            y2 = random.randint(0, height)
            # 在图片上画线
            draw.line((x1, y1, x2, y2), fill=(random.randint(0, 255), random.randint(0, 255), random.randint(0, 255)))

        for i in range(33):
            # 画点
            draw.point([random.randint(0, width), random.randint(0, height)], fill=(random.randint(0, 255), random.randint(0, 255), random.randint(0, 255)))
            x = random.randint(0, width)
            y = random.randint(0, height)
            # 画弧形
            draw.arc((x, y, x + 4, y + 4), 0, 90, fill=(random.randint(0, 255), random.randint(0, 255), random.randint(0, 255)))
        print(new_text)
        #存在session中
        request.session['code']=new_text
        #存内存
        f = BytesIO()
        img.save(f, 'png')
        return HttpResponse(f.getvalue())

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