version: "3.0"
services:
  mysql-master:
    hostname: mysql-master
    container_name: mysql-master 
    image: mysql:latest
    ports:
      - 3307:3306
    environment:
      - MYSQL_ROOT_PASSWORD=chenhaifeng
    volumes:
      - ./master/my.cnf:/etc/mysql

version: '3'
services:
  elasticsearch:
    image: elasticsearch:7.13.4
    container_name: es
    environment:
      - "cluster.name=elasticsearch" #设置集群名称为elasticsearch
      - "discovery.type=single-node&q

    if start_date and end_date:
        start_date = timezone.make_aware(datetime.strptime(start_date, "%Y/%m/%d"), timezone.get_current_timezone()).date()
        end_date = timezone.make_aware(datetime.strptime(end_date, "%Y/%m/%d"), timezone.get_current_timezone()

defaults = {"first_name": "Bob"}
create_defaults = {"first_name": "Bob", "birthday": date(1940, 10, 9)}
try:
    obj = Person.objects.get(first_name="John", last_name="Lennon")
    for key, value in defaults.items():
        

class PdfView(View):
    def get(self, request):
        buffer = io.BytesIO()
        p = canvas.Canvas(buffer)

        p.drawString(100, 100, "hello word.")
        p.showPage()
        p.save()
        buffer.seek(0)
        return FileResponse(buffer, as_attachment=True,

version: "3"
services:
  dvadmin-web:
    container_name: dvadmin-web
    ports:
      - "8080:8080"
    build:
      context: ./
      dockerfile: ./docker_env/web/Dockerfile
    environment:
      TZ: Asia/Shanghai
    volumes:
      - ./dock

hsv_image是通过将BGR图像转换为HSV颜色空间而得到的新图像。它包含了与原始图像相同的尺寸，但颜色通道由BGR转换为HSV。

具体地说，hsv_image是一个三维数组，其形状与原始图像相同（通常是高度 x 宽度 x 3）。它的三个通道分别表示色相（Hue）、饱和度（Saturation）和明度（Value），这些通道的值范围如下：

色相（Hue）通道：取值范围为0到179，表示不同类型的颜色。
饱和度（Saturation）通道：取值范围为0到255，表示颜色的纯度或鲜艳

pip install pycryptodomex

"""
create_rsa_key() - 创建RSA密钥
"""
from Cryptodome import Random

from Cryptodome.PublicKey import RSA
def create_rsa_key():
    """
    创建RSA密钥
    步骤说明：
    1、从 Crypto.Pub

class RolePermissionAdmin(admin.ModelAdmin):

    list_filter = ["role", "flow"]
    list_display = ["role", "flow", "show_Order_Number", "show_Due_Date", "show_Quantity",
                    "show_Cargo_type", "sho

from django.db import models

class UserModel(models.Model):
    id = models.AutoField(primary_key=True)
    name = models.CharField(max_length=255)
    class Meta:
        db_table = "user_tb"
        verbose_name = "用户"
        verbose_name_plural = verbose