Django微信小程序后台开发教程

<!--index.wxml-->
<view class="container">
  <input type="text"   bindinput='input'/>
  <button bindtap="calculate">cal</button>
  <view>{{ result }}</view>
</view>

/**index.wxss**/
.input {
  border: 1px solid black;
  margin-bottom: 5px;
}

//index.js
//获取应用实例
const app = getApp()
Page({
  data: {
    result: "暂无结果",
    formula: ''
  },
  //事件处理函数
  calculate: function () {
    wx.request({
      url: 'https://shatter.xin/calculate',
      data: {
        formula: this.data.formula
      },
      success: res => {
        if (res.statusCode == 200) {
          this.setData({
            result: res.data
          })
        }
      }
    })
  },
  input: function (e) {
    this.setData({
      formula: e.detail.value
    })
  }
})

pip3 install django

django-admin startproject calculator
cd calculator

cd calculator
python3 manage.py runserver 0.0.0.0:8000

python3 manage.py startapp CalculateApi

INSTALLED_APPS = [
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'CalculateApi'
]

from django.contrib import admin
from django.urls import path
from django.conf.urls import url, include
urlpatterns = [
    path('admin/', admin.site.urls),
    url('^', include('CalculateApi.urls')),
]

from django.conf.urls import url
from . import views
urlpatterns = [
    url('calculate', views.calculate)
]

from django.http import HttpResponse
def calculate(request):
    formula = request.GET['formula']
    try:
        result = eval(formula, {})
    except:
        result = 'Error formula'
    return HttpResponse(result)

pip3 install uwsgi

touch uwsgi.ini
vi uwsgi.ini

[uwsgi]
# django项目监听的socket文件（可以使用端口代替）
socket = ./calculator.sock
# django项目所在目录
chdir = .
# django项目wsgi文件
wsgi-file = ./calculator/wsgi.py
master = true
processes = 2
threads = 4
vacuum = true
# 通过touch reload可以重启uwsgi服务器
touch-reload = ./reload
# 日志输出
daemonize = calculator.log

uwsgi --ini uwsgi.ini
touch reload

sudo apt-get install nginx
cd /etc/nginx

vi nginx.conf

user root;

cd conf.d
sudo touch calculator.conf
sudo vi calculator.conf

server{
    listen         80;
    server_name    服务器ip;
    charset UTF-8;
    client_max_body_size 75M;
    location ~ ^/calculate {
   		// replace "path" to the path of your project
        uwsgi_pass unix:///"path"/calculator/calculator.sock;
        include /etc/nginx/uwsgi_params;
    }
}

sudo service nginx restart

server{
    listen         443;
    server_name    your.domain;
    ssl on;
    ssl_certificate path/to/your/ssl.pem;
    ssl_certificate_key path/to/your/ssl.key;
    ssl_session_timeout 5m;
    ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE:ECDH:AES:HIGH:!NULL:!aNULL:!MD5:!ADH:!RC4;
    ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
    ssl_prefer_server_ciphers on;
    charset UTF-8;
    client_max_body_size 75M;
    location ~ ^/calculate {
        uwsgi_pass unix:///path/to/calculator/calculator.sock;
        include /etc/nginx/uwsgi_params;
    }
}