2025年4月29日 星期二

用Python/Django/pythonanywhere實作農漁業產品交易行情



1.打開pythonanywhere建立一個mysite的Django專案，並在專案目錄下新增myapp，建立templates目錄。

2.修改mysite/settings.py

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"""
Django settings for mysite project.

Generated by 'django-admin startproject' using Django 5.0.6.

For more information on this file, see
https://docs.djangoproject.com/en/5.0/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/5.0/ref/settings/
"""

from pathlib import Path

# Build paths inside the project like this: BASE_DIR / 'subdir'.
BASE_DIR = Path(__file__).resolve().parent.parent


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/5.0/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = "django-insecure-9cul&t=+y&pax8q5=)95@403s!*d&a9bp@)iq1x%)%z6%!95x-"

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

ALLOWED_HOSTS = ['cmlin.pythonanywhere.com']


# Application definition

INSTALLED_APPS = [
    "django.contrib.admin",
    "django.contrib.auth",
    "django.contrib.contenttypes",
    "django.contrib.sessions",
    "django.contrib.messages",
    "django.contrib.staticfiles",
    "myapp",
]

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 = "mysite.urls"

TEMPLATES = [
    {
        "BACKEND": "django.template.backends.django.DjangoTemplates",
        "DIRS": [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 = "mysite.wsgi.application"


# Database
# https://docs.djangoproject.com/en/5.0/ref/settings/#databases

DATABASES = {
    "default": {
        "ENGINE": "django.db.backends.sqlite3",
        "NAME": BASE_DIR / "db.sqlite3",
    }
}


# Password validation
# https://docs.djangoproject.com/en/5.0/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/5.0/topics/i18n/

LANGUAGE_CODE = "en-us"

TIME_ZONE = "UTC"

USE_I18N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/5.0/howto/static-files/

STATIC_URL = "static/"

# Default primary key field type
# https://docs.djangoproject.com/en/5.0/ref/settings/#default-auto-field

DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"

# default static files settings for PythonAnywhere.
# see https://help.pythonanywhere.com/pages/DjangoStaticFiles for more info
MEDIA_ROOT = '/home/cmlin/mysite/media'
MEDIA_URL = '/media/'
STATIC_ROOT = '/home/cmlin/mysite/static'
STATIC_URL = '/static/'
STATICFILES_DIRS = [
    BASE_DIR/'static',
    ]

2.修改urls.py

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"""
URL configuration for mysite project.

The `urlpatterns` list routes URLs to views. For more information please see:
    https://docs.djangoproject.com/en/5.0/topics/http/urls/
Examples:
Function views
    1. Add an import:  from my_app import views
    2. Add a URL to urlpatterns:  path('', views.home, name='home')
Class-based views
    1. Add an import:  from other_app.views import Home
    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
Including another URLconf
    1. Import the include() function: from django.urls import include, path
    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
"""
from django.contrib import admin
from django.urls import path
from myapp.views import index, peanut, tilapia

urlpatterns = [
    path("admin/", admin.site.urls),
    path('', index),
    path('peanut', peanut),
    path('tilapia', tilapia),
]

3.修改myapp/views.py

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from django.shortcuts import render
import requests
import json

# Create your views here.
def index(request):
    return render(request, "index.html", locals())

def peanut(request):
    r = requests.get('https://data.moa.gov.tw/Service/OpenData/FromM/FarmTransData.aspx')
    text = json.loads(r.text)
    rows = []
    for row in text:
        if row['作物名稱'] is None:
            continue
        if '落花生' in row['作物名稱']:
            rows.append(row)
    return render(request, "peanut.html", locals())

def tilapia(request):
    r = requests.get('https://data.moa.gov.tw/Service/OpenData/FromM/AquaticTransData.aspx')
    text = json.loads(r.text)
    rows = []
    for row in text:
        if row['魚貨名稱'] is None:
            continue
        if '吳郭魚' in row['魚貨名稱']:
            rows.append(row)
    return render(request, "tilapia.html", locals())

4.新增templates/index.html

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<!DOCTYPE html>
<html lang="en">
    <head>
        <title>水井井USR</title>
        <meta charset="utf-8">
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css" rel="stylesheet">
        <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/js/bootstrap.bundle.min.js"></script>
    </head>
    <body>
        <nav class="navbar navbar-expand-sm bg-light">
            <div class="container-fluid">
                <ul class="navbar-nav">
                    <li class="nav-item">
                        <a class="nav-link" href="/peanut">落花生</a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link" href="tilapia">吳郭魚</a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link" href="#">Link 3</a>
                    </li>
                </ul>
            </div>
        </nav>
        <center>
            <h1>113年USR Hub：雲林沿海偏鄉的社區共好實踐計畫－以水井村三生共好為例</h1>
            <iframe width="819" height="461"
                src="https://www.youtube.com/embed/86o-pZddrjM"
                title="113年USR Hub：雲林沿海偏鄉的社區共好實踐計畫－以水井村三生共好為例"
                frameborder="0"
                allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share"
                referrerpolicy="strict-origin-when-cross-origin" allowfullscreen>
            </iframe>
        </center>
    </body>
</hrml>

5.新增 templates/peanut.html

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<html>
<head>
<TITLE>
尚虎雲產銷平台
</TITLE>
</head>
<body>
<center>
<h1>
尚虎雲產銷平台
</h1>

</center>
{% for row in rows %}
{% if forloop.first %}
<table style='width:100%' border='1'>
<caption><h2>落花生市場交易情形</h2></caption>
<tr><th>交易日期</th><th>作物代號</th><th>作物名稱</th><th>市場代碼</th><th>市場名稱</th><th>上價</th><th>中價</th><th>下價</th><th>平均價</th><th>交易量</th></tr>
{% endif %}
<tr>
<td><center>{{ row.交易日期 }}</center></td>
<td><center>{{ row.作物代號 }}</center></td>
<td><center>{{ row.作物名稱 }}</center></td>
<td><center>{{ row.市場代號 }}</center></td>
<td><center>{{ row.市場名稱 }}</center></td>
<td><center>{{ row.上價 }}</center></td>
<td><center>{{ row.中價 }}</center></td>
<td><center>{{ row.下價 }}</center></td>
<td><center>{{ row.平均價 }}</center></td>
<td><center>{{ row.交易量 }}</center></td>
</tr>
{% if forloop.last %}
</table>
{% endif %}
{% endfor %}
</body>

</html>

6.新增templates/tilapia.html



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<html>
<head>
<TITLE>
尚虎雲產銷平台
</TITLE>
</head>
<body>
<center>
<h1>
尚虎雲產銷平台
</h1>

</center>
{% for row in rows %}
{% if forloop.first %}
<table style='width:100%' border='1'>
<caption><h2>吳郭魚市場交易情形</h2></caption>
<tr><th>交易日期</th><th>品種代碼</th><th>魚貨名稱</th><th>市場名稱</th><th>上價</th><th>中價</th><th>下價</th><th>平均價</th><th>交易量</th></tr>
{% endif %}
<tr>
<td><center>{{ row.交易日期 }}</center></td>
<td><center>{{ row.品種代碼 }}</center></td>
<td><center>{{ row.魚貨名稱 }}</center></td>
<td><center>{{ row.市場名稱 }}</center></td>
<td><center>{{ row.上價 }}</center></td>
<td><center>{{ row.中價 }}</center></td>
<td><center>{{ row.下價 }}</center></td>
<td><center>{{ row.平均價 }}</center></td>
<td><center>{{ row.交易量 }}</center></td>
</tr>
{% if forloop.last %}
</table>
{% endif %}
{% endfor %}
</body>

</html>
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