{"id":1071294,"date":"2025-01-08T11:06:01","date_gmt":"2025-01-08T03:06:01","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1071294.html"},"modified":"2025-01-08T11:06:03","modified_gmt":"2025-01-08T03:06:03","slug":"python%e5%a6%82%e4%bd%95%e5%b0%86%e4%b8%8a%e4%bc%a0%e7%9a%84%e6%96%87%e4%bb%b6%e4%bf%9d%e5%ad%98-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1071294.html","title":{"rendered":"python\u5982\u4f55\u5c06\u4e0a\u4f20\u7684\u6587\u4ef6\u4fdd\u5b58"},"content":{"rendered":"

\"python\u5982\u4f55\u5c06\u4e0a\u4f20\u7684\u6587\u4ef6\u4fdd\u5b58\"<\/p>\n

\u4e00\u3001\u76f4\u63a5\u4f7f\u7528Python\u7684\u5185\u7f6e\u5e93\uff0c\u5982Flask\u6216Django\uff0c\u6765\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u5e76\u4fdd\u5b58\u3002Flask\u548cDjango\u63d0\u4f9b\u4e86\u7b80\u4fbf\u7684\u65b9\u6cd5\u6765\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u53ef\u4ee5\u8f7b\u677e\u5730\u5c06\u4e0a\u4f20\u7684\u6587\u4ef6\u4fdd\u5b58\u5230\u670d\u52a1\u5668\u6307\u5b9a\u7684\u76ee\u5f55\u4e2d\u3002\u4f7f\u7528Flask\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u3001\u4f7f\u7528Django\u5904\u7406\u6587\u4ef6\u4e0a\u4f20<\/strong><\/p>\n<\/p>\n

Flask\u662f\u4e00\u4e2a\u975e\u5e38\u6d41\u884c\u7684Python Web\u6846\u67b6\uff0c\u9002\u7528\u4e8e\u5c0f\u578b\u548c\u4e2d\u578bWeb\u5e94\u7528\u7684\u5f00\u53d1\u3002\u8981\u5728Flask\u4e2d\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u5e76\u4fdd\u5b58\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\uff1a<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528Flask\u5904\u7406\u6587\u4ef6\u4e0a\u4f20<\/h2>\n<\/p>\n

1\u3001\u5b89\u88c5Flask<\/h3>\n<\/p>\n

\u9996\u5148\uff0c\u786e\u4fdd\u4f60\u5df2\u7ecf\u5b89\u88c5\u4e86Flask\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528pip\u6765\u5b89\u88c5\u5b83\uff1a<\/p>\n<\/p>\n

pip install Flask<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u521b\u5efaFlask\u5e94\u7528<\/h3>\n<\/p>\n
\u521b\u5efa\u4e00\u4e2a\u65b0\u7684Python\u6587\u4ef6\uff0c\u4f8b\u5982app.py<\/code>\uff0c\u5e76\u7f16\u5199\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n
from flask import Flask, request, redirect, url_for, render_template<\/p>\n
import os<\/p>\n
app = Flask(__name__)<\/p>\n
\u8bbe\u7f6e\u4e0a\u4f20\u6587\u4ef6\u7684\u4fdd\u5b58\u8def\u5f84<\/strong><\/h2>\n
UPLOAD_FOLDER = 'uploads\/'<\/p>\n
app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER<\/p>\n
\u5141\u8bb8\u4e0a\u4f20\u7684\u6587\u4ef6\u6269\u5c55\u540d<\/strong><\/h2>\n
ALLOWED_EXTENSIONS = {'txt', 'pdf', 'png', 'jpg', 'jpeg', 'gif'}<\/p>\n
def allowed_file(filename):<\/p>\n
    return '.' in filename and filename.rsplit('.', 1)[1].lower() in ALLOWED_EXTENSIONS<\/p>\n
@app.route('\/')<\/p>\n
def upload_form():<\/p>\n
    return render_template('upload.html')<\/p>\n
@app.route('\/upload', methods=['POST'])<\/p>\n
def upload_file():<\/p>\n
    if 'file' not in request.files:<\/p>\n
        return redirect(request.url)<\/p>\n
    file = request.files['file']<\/p>\n
    if file.filename == '':<\/p>\n
        return redirect(request.url)<\/p>\n
    if file and allowed_file(file.filename):<\/p>\n
        filename = file.filename<\/p>\n
        file.save(os.path.join(app.config['UPLOAD_FOLDER'], filename))<\/p>\n
        return 'File successfully uploaded'<\/p>\n
    else:<\/p>\n
        return 'Invalid file type'<\/p>\n
if __name__ == '__mAI<\/a>n__':<\/p>\n
    app.run(debug=True)<\/p>\n
<\/code><\/pre>\n<\/p>\n
3\u3001\u521b\u5efaHTML\u8868\u5355<\/h3>\n<\/p>\n
\u5728\u540c\u4e00\u76ee\u5f55\u4e0b\u521b\u5efa\u4e00\u4e2a\u540d\u4e3atemplates<\/code>\u7684\u6587\u4ef6\u5939\uff0c\u5e76\u5728\u5176\u4e2d\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aupload.html<\/code>\u7684HTML\u6587\u4ef6\uff0c\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n<\/p>\n
<!doctype html><\/p>\n
<html lang="en"><\/p>\n
  <head><\/p>\n
    <meta charset="UTF-8"><\/p>\n
    <title>Upload File<\/title><\/p>\n
  <\/head><\/p>\n
  <body><\/p>\n
    <h1>Upload File<\/h1><\/p>\n
    <form action="\/upload" method="post" enctype="multipart\/form-data"><\/p>\n
      <input type="file" name="file"><\/p>\n
      <input type="submit" value="Upload"><\/p>\n
    <\/form><\/p>\n
  <\/body><\/p>\n
<\/html><\/p>\n
<\/code><\/pre>\n<\/p>\n
4\u3001\u8fd0\u884cFlask\u5e94\u7528<\/h3>\n<\/p>\n
\u5728\u7ec8\u7aef\u4e2d\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<\/p>\n
python app.py<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u6253\u5f00\u6d4f\u89c8\u5668\u5e76\u8bbf\u95eehttp:\/\/127.0.0.1:5000\/<\/code>\uff0c\u4f60\u5c06\u770b\u5230\u4e00\u4e2a\u6587\u4ef6\u4e0a\u4f20\u8868\u5355\u3002\u9009\u62e9\u4e00\u4e2a\u6587\u4ef6\u5e76\u70b9\u51fb\u4e0a\u4f20\uff0c\u6587\u4ef6\u5c06\u88ab\u4fdd\u5b58\u5230uploads<\/code>\u76ee\u5f55\u4e2d\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528Django\u5904\u7406\u6587\u4ef6\u4e0a\u4f20<\/h2>\n<\/p>\n
Django\u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684Python Web\u6846\u67b6\uff0c\u9002\u7528\u4e8e\u5927\u578bWeb\u5e94\u7528\u7684\u5f00\u53d1\u3002\u8981\u5728Django\u4e2d\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u5e76\u4fdd\u5b58\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u8fdb\u884c\uff1a<\/p>\n<\/p>\n
1\u3001\u5b89\u88c5Django<\/h3>\n<\/p>\n
\u9996\u5148\uff0c\u786e\u4fdd\u4f60\u5df2\u7ecf\u5b89\u88c5\u4e86Django\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528pip\u6765\u5b89\u88c5\u5b83\uff1a<\/p>\n<\/p>\n
pip install Django<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u521b\u5efaDjango\u9879\u76ee<\/h3>\n<\/p>\n
\u5728\u7ec8\u7aef\u4e2d\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff0c\u521b\u5efa\u4e00\u4e2a\u65b0\u7684Django\u9879\u76ee\uff1a<\/p>\n<\/p>\n
django-admin startproject myproject<\/p>\n
cd myproject<\/p>\n
python manage.py startapp myapp<\/p>\n
<\/code><\/pre>\n<\/p>\n
3\u3001\u914d\u7f6eDjango\u9879\u76ee<\/h3>\n<\/p>\n
\u5728myproject\/settings.py<\/code>\u6587\u4ef6\u4e2d\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u914d\u7f6e\uff1a<\/p>\n<\/p>\n
import os<\/p>\n
\u8bbe\u7f6e\u4e0a\u4f20\u6587\u4ef6\u7684\u4fdd\u5b58\u8def\u5f84<\/strong><\/h2>\n
MEDIA_URL = '\/media\/'<\/p>\n
MEDIA_ROOT = os.path.join(BASE_DIR, 'media')<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728myproject\/urls.py<\/code>\u6587\u4ef6\u4e2d\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n
from django.conf import settings<\/p>\n
from django.conf.urls.static import static<\/p>\n
urlpatterns = [<\/p>\n
    # \u4f60\u7684\u5176\u4ed6URL\u6a21\u5f0f<\/p>\n
] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)<\/p>\n
<\/code><\/pre>\n<\/p>\n
4\u3001\u521b\u5efaDjango\u6a21\u578b<\/h3>\n<\/p>\n
\u5728myapp\/models.py<\/code>\u6587\u4ef6\u4e2d\uff0c\u5b9a\u4e49\u4e00\u4e2a\u6a21\u578b\u6765\u5b58\u50a8\u4e0a\u4f20\u7684\u6587\u4ef6\uff1a<\/p>\n<\/p>\n
from django.db import models<\/p>\n
class UploadedFile(models.Model):<\/p>\n
    file = models.FileField(upload_to='uploads\/')<\/p>\n
<\/code><\/pre>\n<\/p>\n
5\u3001\u521b\u5efaDjango\u8868\u5355<\/h3>\n<\/p>\n
\u5728myapp\/forms.py<\/code>\u6587\u4ef6\u4e2d\uff0c\u5b9a\u4e49\u4e00\u4e2a\u8868\u5355\u6765\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\uff1a<\/p>\n<\/p>\n
from django import forms<\/p>\n
from .models import UploadedFile<\/p>\n
class UploadFileForm(forms.ModelForm):<\/p>\n
    class Meta:<\/p>\n
        model = UploadedFile<\/p>\n
        fields = ['file']<\/p>\n
<\/code><\/pre>\n<\/p>\n
6\u3001\u521b\u5efaDjango\u89c6\u56fe<\/h3>\n<\/p>\n
\u5728myapp\/views.py<\/code>\u6587\u4ef6\u4e2d\uff0c\u5b9a\u4e49\u4e00\u4e2a\u89c6\u56fe\u6765\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\uff1a<\/p>\n<\/p>\n
from django.shortcuts import render, redirect<\/p>\n
from .forms import UploadFileForm<\/p>\n
def upload_file(request):<\/p>\n
    if request.method == 'POST':<\/p>\n
        form = UploadFileForm(request.POST, request.FILES)<\/p>\n
        if form.is_valid():<\/p>\n
            form.save()<\/p>\n
            return redirect('upload_success')<\/p>\n
    else:<\/p>\n
        form = UploadFileForm()<\/p>\n
    return render(request, 'upload.html', {'form': form})<\/p>\n
def upload_success(request):<\/p>\n
    return render(request, 'upload_success.html')<\/p>\n
<\/code><\/pre>\n<\/p>\n
7\u3001\u521b\u5efaURL\u6a21\u5f0f<\/h3>\n<\/p>\n
\u5728myapp\/urls.py<\/code>\u6587\u4ef6\u4e2d\uff0c\u5b9a\u4e49URL\u6a21\u5f0f\u6765\u6620\u5c04\u89c6\u56fe\uff1a<\/p>\n<\/p>\n
from django.urls import path<\/p>\n
from . import views<\/p>\n
urlpatterns = [<\/p>\n
    path('upload\/', views.upload_file, name='upload_file'),<\/p>\n
    path('upload\/success\/', views.upload_success, name='upload_success'),<\/p>\n
]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728myproject\/urls.py<\/code>\u6587\u4ef6\u4e2d\uff0c\u5305\u542bmyapp<\/code>\u7684URL\u6a21\u5f0f\uff1a<\/p>\n<\/p>\n
from django.contrib import admin<\/p>\n
from django.urls import include, path<\/p>\n
urlpatterns = [<\/p>\n
    path('admin\/', admin.site.urls),<\/p>\n
    path('myapp\/', include('myapp.urls')),<\/p>\n
]<\/p>\n
<\/code><\/pre>\n<\/p>\n
8\u3001\u521b\u5efaHTML\u6a21\u677f<\/h3>\n<\/p>\n
\u5728myapp\/templates<\/code>\u76ee\u5f55\u4e0b\uff0c\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aupload.html<\/code>\u7684HTML\u6587\u4ef6\uff0c\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n<\/p>\n
<!doctype html><\/p>\n
<html lang="en"><\/p>\n
  <head><\/p>\n
    <meta charset="UTF-8"><\/p>\n
    <title>Upload File<\/title><\/p>\n
  <\/head><\/p>\n
  <body><\/p>\n
    <h1>Upload File<\/h1><\/p>\n
    <form method="post" enctype="multipart\/form-data"><\/p>\n
      {% csrf_token %}<\/p>\n
      {{ form.as_p }}<\/p>\n
      <button type="submit">Upload<\/button><\/p>\n
    <\/form><\/p>\n
  <\/body><\/p>\n
<\/html><\/p>\n
<\/code><\/pre>\n<\/p>\n
\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aupload_success.html<\/code>\u7684HTML\u6587\u4ef6\uff0c\u5185\u5bb9\u5982\u4e0b\uff1a<\/p>\n<\/p>\n
<!doctype html><\/p>\n
<html lang="en"><\/p>\n
  <head><\/p>\n
    <meta charset="UTF-8"><\/p>\n
    <title>Upload Success<\/title><\/p>\n
  <\/head><\/p>\n
  <body><\/p>\n
    <h1>File successfully uploaded<\/h1><\/p>\n
  <\/body><\/p>\n
<\/html><\/p>\n
<\/code><\/pre>\n<\/p>\n
9\u3001\u8fd0\u884cDjango\u9879\u76ee<\/h3>\n<\/p>\n
\u5728\u7ec8\u7aef\u4e2d\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<\/p>\n
python manage.py makemigrations<\/p>\n
python manage.py migrate<\/p>\n
python manage.py runserver<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u6253\u5f00\u6d4f\u89c8\u5668\u5e76\u8bbf\u95eehttp:\/\/127.0.0.1:8000\/myapp\/upload\/<\/code>\uff0c\u4f60\u5c06\u770b\u5230\u4e00\u4e2a\u6587\u4ef6\u4e0a\u4f20\u8868\u5355\u3002\u9009\u62e9\u4e00\u4e2a\u6587\u4ef6\u5e76\u70b9\u51fb\u4e0a\u4f20\uff0c\u6587\u4ef6\u5c06\u88ab\u4fdd\u5b58\u5230media\/uploads<\/code>\u76ee\u5f55\u4e2d\u3002<\/p>\n<\/p>\n
\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528Flask\u6216Django\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u5e76\u4fdd\u5b58\u5230\u670d\u52a1\u5668\u6307\u5b9a\u7684\u76ee\u5f55\u4e2d\u3002\u6839\u636e\u4f60\u7684\u9879\u76ee\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u6846\u67b6\uff0c\u5e76\u6839\u636e\u5177\u4f53\u60c5\u51b5\u8fdb\u884c\u914d\u7f6e\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u5904\u7406\u4e0a\u4f20\u7684\u6587\u4ef6\uff1f<\/strong>
\u5728Python\u4e2d\u5904\u7406\u4e0a\u4f20\u7684\u6587\u4ef6\u901a\u5e38\u4f7f\u7528Web\u6846\u67b6\uff0c\u5982Flask\u6216Django\u3002\u4ee5Flask\u4e3a\u4f8b\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7\u8bf7\u6c42\u5bf9\u8c61\u7684files<\/code>\u5c5e\u6027\u83b7\u53d6\u4e0a\u4f20\u7684\u6587\u4ef6\u3002\u4f7f\u7528request.files['file']<\/code>\u53ef\u4ee5\u83b7\u53d6\u6587\u4ef6\u5bf9\u8c61\uff0c\u968f\u540e\u53ef\u4ee5\u4f7f\u7528.save()<\/code>\u65b9\u6cd5\u5c06\u5176\u4fdd\u5b58\u5230\u6307\u5b9a\u8def\u5f84\u3002<\/p>\n
\u4e0a\u4f20\u6587\u4ef6\u65f6\u9700\u8981\u6ce8\u610f\u54ea\u4e9b\u5b89\u5168\u95ee\u9898\uff1f<\/strong>
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