{"id":1065074,"date":"2024-12-31T16:14:31","date_gmt":"2024-12-31T08:14:31","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1065074.html"},"modified":"2024-12-31T16:14:33","modified_gmt":"2024-12-31T08:14:33","slug":"python%e4%b8%ad%e5%a6%82%e4%bd%95%e5%a4%84%e7%90%86%e4%b8%8a%e4%bc%a0%e6%96%87%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1065074.html","title":{"rendered":"python\u4e2d\u5982\u4f55\u5904\u7406\u4e0a\u4f20\u6587\u4ef6"},"content":{"rendered":"

\"python\u4e2d\u5982\u4f55\u5904\u7406\u4e0a\u4f20\u6587\u4ef6\"<\/p>\n

\u5728Python\u4e2d\u5904\u7406\u4e0a\u4f20\u6587\u4ef6\u7684\u8fc7\u7a0b\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\u5b8c\u6210\uff1a\u5229\u7528Flask\u6846\u67b6\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u3001\u4f7f\u7528Django\u6846\u67b6\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u3001\u5904\u7406\u4e0a\u4f20\u6587\u4ef6\u7684\u5b89\u5168\u6027\u3001\u4fdd\u5b58\u6587\u4ef6\u5230\u7279\u5b9a\u76ee\u5f55\u3001\u5904\u7406\u548c\u9a8c\u8bc1\u6587\u4ef6\u7c7b\u578b\u3001\u4f7f\u7528\u7b2c\u4e09\u65b9\u5b58\u50a8\u670d\u52a1\uff08\u5982AWS S3\uff09\u4fdd\u5b58\u6587\u4ef6\u3002<\/strong> \u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u4e9b\u6b65\u9aa4\u4e2d\u7684\u67d0\u4e00\u70b9\uff0c\u5373\u5982\u4f55\u4f7f\u7528Flask\u6846\u67b6\u6765\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u5229\u7528Flask\u6846\u67b6\u5904\u7406\u6587\u4ef6\u4e0a\u4f20<\/h3>\n<\/p>\n

Flask\u662f\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u7684Web\u5e94\u7528\u6846\u67b6\uff0c\u975e\u5e38\u9002\u5408\u7528\u6765\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u57fa\u672c\u7684\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u4f7f\u7528Flask\u6765\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u3002<\/p>\n<\/p>\n

1. \u521d\u59cb\u5316Flask\u5e94\u7528<\/h4>\n<\/p>\n

\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5Flask\u5e93\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n<\/p>\n

pip install Flask<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684Flask\u5e94\u7528\uff1a<\/p>\n<\/p>\n
from flask import Flask, request, redirect, url_for, render_template<\/p>\n
app = Flask(__name__)<\/p>\n
<\/code><\/pre>\n<\/p>\n
2. \u521b\u5efa\u4e0a\u4f20\u6587\u4ef6\u7684HTML\u8868\u5355<\/h4>\n<\/p>\n
\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2aHTML\u8868\u5355\uff0c\u7528\u4e8e\u9009\u62e9\u5e76\u4e0a\u4f20\u6587\u4ef6\u3002\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aupload.html<\/code>\u7684\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 a File<\/h1><\/p>\n
    <form method="post" action="\/upload" 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
3. \u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u8bf7\u6c42<\/h4>\n<\/p>\n
\u5728Flask\u5e94\u7528\u4e2d\uff0c\u6211\u4eec\u9700\u8981\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u8bf7\u6c42\u3002\u53ef\u4ee5\u5728Flask\u5e94\u7528\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u8def\u7531\u6765\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\uff1a<\/p>\n<\/p>\n
import os<\/p>\n
UPLOAD_FOLDER = 'uploads'<\/p>\n
ALLOWED_EXTENSIONS = {'txt', 'pdf', 'png', 'jpg', 'jpeg', 'gif'}<\/p>\n
app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER<\/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 index():<\/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 = secure_filename(file.filename)<\/p>\n
        file.save(os.path.join(app.config['UPLOAD_FOLDER'], filename))<\/p>\n
        return 'File uploaded successfully'<\/p>\n
    return 'Invalid file type'<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2aUPLOAD_FOLDER<\/code>\u53d8\u91cf\u6765\u5b58\u50a8\u4e0a\u4f20\u7684\u6587\u4ef6\uff0c\u5e76\u5b9a\u4e49\u4e86\u4e00\u4e2aALLOWED_EXTENSIONS<\/code>\u96c6\u5408\u6765\u9650\u5236\u5141\u8bb8\u4e0a\u4f20\u7684\u6587\u4ef6\u7c7b\u578b\u3002allowed_file<\/code>\u51fd\u6570\u7528\u4e8e\u68c0\u67e5\u6587\u4ef6\u6269\u5c55\u540d\u662f\u5426\u5728\u5141\u8bb8\u7684\u8303\u56f4\u5185\u3002<\/p>\n<\/p>\n
\u5728upload_file<\/code>\u8def\u7531\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u68c0\u67e5\u8bf7\u6c42\u4e2d\u662f\u5426\u5305\u542b\u6587\u4ef6\uff0c\u7136\u540e\u68c0\u67e5\u6587\u4ef6\u540d\u662f\u5426\u4e3a\u7a7a\uff0c\u6700\u540e\u68c0\u67e5\u6587\u4ef6\u7c7b\u578b\u662f\u5426\u5141\u8bb8\u3002\u5982\u679c\u6240\u6709\u68c0\u67e5\u90fd\u901a\u8fc7\uff0c\u6211\u4eec\u4f7f\u7528secure_filename<\/code>\u51fd\u6570\u751f\u6210\u5b89\u5168\u7684\u6587\u4ef6\u540d\uff0c\u5e76\u5c06\u6587\u4ef6\u4fdd\u5b58\u5230UPLOAD_FOLDER<\/code>\u76ee\u5f55\u4e2d\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528Django\u6846\u67b6\u5904\u7406\u6587\u4ef6\u4e0a\u4f20<\/h3>\n<\/p>\n
Django\u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684Web\u6846\u67b6\uff0c\u5185\u7f6e\u4e86\u8bb8\u591a\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u7684\u529f\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u57fa\u672c\u7684\u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u4f7f\u7528Django\u6765\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u3002<\/p>\n<\/p>\n
1. \u521d\u59cb\u5316Django\u9879\u76ee<\/h4>\n<\/p>\n
\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5Django\u5e93\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n<\/p>\n
pip install Django<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u7136\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\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
2. \u914d\u7f6eDjango\u9879\u76ee<\/h4>\n<\/p>\n
\u5728myproject\/settings.py<\/code>\u6587\u4ef6\u4e2d\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u914d\u7f6e\uff1a<\/p>\n<\/p>\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\u5185\u5bb9\uff1a<\/p>\n<\/p>\n
from django.conf import settings<\/p>\n
from django.conf.urls.static import static<\/p>\n
urlpatterns = [<\/p>\n
    # \u5176\u4ed6\u8def\u7531<\/p>\n
] + static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)<\/p>\n
<\/code><\/pre>\n<\/p>\n
3. \u521b\u5efa\u4e0a\u4f20\u6587\u4ef6\u7684HTML\u8868\u5355<\/h4>\n<\/p>\n
\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2aHTML\u8868\u5355\uff0c\u7528\u4e8e\u9009\u62e9\u5e76\u4e0a\u4f20\u6587\u4ef6\u3002\u53ef\u4ee5\u5728myapp\/templates<\/code>\u76ee\u5f55\u4e2d\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aupload.html<\/code>\u7684\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 a File<\/h1><\/p>\n
    <form method="post" enctype="multipart\/form-data"><\/p>\n
        {% csrf_token %}<\/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. \u521b\u5efa\u4e0a\u4f20\u6587\u4ef6\u7684\u6a21\u578b\u548c\u8868\u5355<\/h4>\n<\/p>\n
\u5728myapp\/models.py<\/code>\u6587\u4ef6\u4e2d\uff0c\u5b9a\u4e49\u4e00\u4e2a\u7528\u4e8e\u4fdd\u5b58\u4e0a\u4f20\u6587\u4ef6\u7684\u6a21\u578b\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
\u5728myapp\/forms.py<\/code>\u6587\u4ef6\u4e2d\uff0c\u5b9a\u4e49\u4e00\u4e2a\u7528\u4e8e\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u7684\u8868\u5355\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
5. \u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u8bf7\u6c42<\/h4>\n<\/p>\n
\u5728myapp\/views.py<\/code>\u6587\u4ef6\u4e2d\uff0c\u6dfb\u52a0\u4e00\u4e2a\u89c6\u56fe\u6765\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u8bf7\u6c42\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
\u5728myapp\/urls.py<\/code>\u6587\u4ef6\u4e2d\uff0c\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\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
6. \u521b\u5efa\u6210\u529f\u9875\u9762<\/h4>\n<\/p>\n
\u5728myapp\/templates<\/code>\u76ee\u5f55\u4e2d\uff0c\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aupload_success.html<\/code>\u7684\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 uploaded successfully!<\/h1><\/p>\n
<\/body><\/p>\n
<\/html><\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u5904\u7406\u4e0a\u4f20\u6587\u4ef6\u7684\u5b89\u5168\u6027<\/h3>\n<\/p>\n
\u5728\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u65f6\uff0c\u5b89\u5168\u6027\u662f\u4e00\u4e2a\u975e\u5e38\u91cd\u8981\u7684\u8003\u8651\u56e0\u7d20\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u5b89\u5168\u6027\u7684\u5efa\u8bae\uff1a<\/p>\n<\/p>\n
1. \u9a8c\u8bc1\u6587\u4ef6\u7c7b\u578b<\/h4>\n<\/p>\n
\u786e\u4fdd\u53ea\u5141\u8bb8\u7279\u5b9a\u7c7b\u578b\u7684\u6587\u4ef6\u4e0a\u4f20\uff0c\u4ee5\u9632\u6b62\u6076\u610f\u6587\u4ef6\u88ab\u4e0a\u4f20\u5230\u670d\u52a1\u5668\u3002\u5728Flask\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86ALLOWED_EXTENSIONS<\/code>\u96c6\u5408\u6765\u9650\u5236\u5141\u8bb8\u4e0a\u4f20\u7684\u6587\u4ef6\u7c7b\u578b\u3002\u5728Django\u793a\u4f8b\u4e2d\uff0c\u53ef\u4ee5\u5728\u8868\u5355\u7684clean_file<\/code>\u65b9\u6cd5\u4e2d\u6dfb\u52a0\u6587\u4ef6\u7c7b\u578b\u9a8c\u8bc1\u3002<\/p>\n<\/p>\n
2. \u4f7f\u7528\u5b89\u5168\u7684\u6587\u4ef6\u540d<\/h4>\n<\/p>\n
\u4f7f\u7528\u5b89\u5168\u7684\u6587\u4ef6\u540d\u53ef\u4ee5\u9632\u6b62\u76ee\u5f55\u904d\u5386\u653b\u51fb\u3002\u5728Flask\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86secure_filename<\/code>\u51fd\u6570\u6765\u751f\u6210\u5b89\u5168\u7684\u6587\u4ef6\u540d\u3002\u5728Django\u793a\u4f8b\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528django.utils.text.slugify<\/code>\u51fd\u6570\u6765\u751f\u6210\u5b89\u5168\u7684\u6587\u4ef6\u540d\u3002<\/p>\n<\/p>\n
3. \u9650\u5236\u6587\u4ef6\u5927\u5c0f<\/h4>\n<\/p>\n
\u9650\u5236\u4e0a\u4f20\u6587\u4ef6\u7684\u5927\u5c0f\u53ef\u4ee5\u9632\u6b62\u670d\u52a1\u5668\u8d44\u6e90\u88ab\u6ee5\u7528\u3002\u5728Flask\u793a\u4f8b\u4e2d\uff0c\u53ef\u4ee5\u5728\u8bf7\u6c42\u5904\u7406\u4e4b\u524d\u68c0\u67e5\u6587\u4ef6\u5927\u5c0f\u3002\u5728Django\u793a\u4f8b\u4e2d\uff0c\u53ef\u4ee5\u5728\u8868\u5355\u7684clean_file<\/code>\u65b9\u6cd5\u4e2d\u6dfb\u52a0\u6587\u4ef6\u5927\u5c0f\u9a8c\u8bc1\u3002<\/p>\n<\/p>\n
4. \u5b58\u50a8\u6587\u4ef6\u5728\u5b89\u5168\u7684\u76ee\u5f55<\/h4>\n<\/p>\n
\u786e\u4fdd\u4e0a\u4f20\u7684\u6587\u4ef6\u5b58\u50a8\u5728\u4e00\u4e2a\u5b89\u5168\u7684\u76ee\u5f55\u4e2d\uff0c\u5e76\u4e14\u8be5\u76ee\u5f55\u4e0d\u5e94\u8be5\u662fWeb\u670d\u52a1\u5668\u7684\u6587\u6863\u6839\u76ee\u5f55\u3002\u5728Flask\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86UPLOAD_FOLDER<\/code>\u53d8\u91cf\u6765\u6307\u5b9a\u4e0a\u4f20\u6587\u4ef6\u7684\u5b58\u50a8\u76ee\u5f55\u3002\u5728Django\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86MEDIA_ROOT<\/code>\u914d\u7f6e\u6765\u6307\u5b9a\u4e0a\u4f20\u6587\u4ef6\u7684\u5b58\u50a8\u76ee\u5f55\u3002<\/p>\n<\/p>\n
\u56db\u3001\u4fdd\u5b58\u6587\u4ef6\u5230\u7279\u5b9a\u76ee\u5f55<\/h3>\n<\/p>\n
\u5728\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u65f6\uff0c\u6211\u4eec\u901a\u5e38\u9700\u8981\u5c06\u6587\u4ef6\u4fdd\u5b58\u5230\u7279\u5b9a\u7684\u76ee\u5f55\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5728Flask\u548cDjango\u4e2d\u4fdd\u5b58\u6587\u4ef6\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
1. \u5728Flask\u4e2d\u4fdd\u5b58\u6587\u4ef6<\/h4>\n<\/p>\n
\u5728Flask\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528UPLOAD_FOLDER<\/code>\u53d8\u91cf\u6765\u6307\u5b9a\u4e0a\u4f20\u6587\u4ef6\u7684\u5b58\u50a8\u76ee\u5f55\uff0c\u5e76\u4f7f\u7528os.path.join<\/code>\u51fd\u6570\u5c06\u6587\u4ef6\u4fdd\u5b58\u5230\u8be5\u76ee\u5f55\u4e2d\uff1a<\/p>\n<\/p>\n
UPLOAD_FOLDER = 'uploads'<\/p>\n
app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER<\/p>\n
file.save(os.path.join(app.config['UPLOAD_FOLDER'], filename))<\/p>\n
<\/code><\/pre>\n<\/p>\n
2. \u5728Django\u4e2d\u4fdd\u5b58\u6587\u4ef6<\/h4>\n<\/p>\n
\u5728Django\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528MEDIA_ROOT<\/code>\u914d\u7f6e\u6765\u6307\u5b9a\u4e0a\u4f20\u6587\u4ef6\u7684\u5b58\u50a8\u76ee\u5f55\uff0c\u5e76\u4f7f\u7528FileField<\/code>\u7684upload_to<\/code>\u53c2\u6570\u5c06\u6587\u4ef6\u4fdd\u5b58\u5230\u8be5\u76ee\u5f55\u4e2d\uff1a<\/p>\n<\/p>\n
MEDIA_ROOT = os.path.join(BASE_DIR, 'media')<\/p>\n
class UploadedFile(models.Model):<\/p>\n
    file = models.FileField(upload_to='uploads\/')<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e94\u3001\u5904\u7406\u548c\u9a8c\u8bc1\u6587\u4ef6\u7c7b\u578b<\/h3>\n<\/p>\n
\u5904\u7406\u548c\u9a8c\u8bc1\u6587\u4ef6\u7c7b\u578b\u662f\u786e\u4fdd\u6587\u4ef6\u4e0a\u4f20\u5b89\u5168\u6027\u7684\u91cd\u8981\u6b65\u9aa4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5728Flask\u548cDjango\u4e2d\u5904\u7406\u548c\u9a8c\u8bc1\u6587\u4ef6\u7c7b\u578b\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
1. \u5728Flask\u4e2d\u5904\u7406\u548c\u9a8c\u8bc1\u6587\u4ef6\u7c7b\u578b<\/h4>\n<\/p>\n
\u5728Flask\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528ALLOWED_EXTENSIONS<\/code>\u96c6\u5408\u6765\u9650\u5236\u5141\u8bb8\u4e0a\u4f20\u7684\u6587\u4ef6\u7c7b\u578b\uff0c\u5e76\u4f7f\u7528allowed_file<\/code>\u51fd\u6570\u6765\u68c0\u67e5\u6587\u4ef6\u7c7b\u578b\uff1a<\/p>\n<\/p>\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
<\/code><\/pre>\n<\/p>\n
2. \u5728Django\u4e2d\u5904\u7406\u548c\u9a8c\u8bc1\u6587\u4ef6\u7c7b\u578b<\/h4>\n<\/p>\n
\u5728Django\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u8868\u5355\u7684clean_file<\/code>\u65b9\u6cd5\u4e2d\u6dfb\u52a0\u6587\u4ef6\u7c7b\u578b\u9a8c\u8bc1\uff1a<\/p>\n<\/p>\n
from django.core.exceptions import ValidationError<\/p>\n
class UploadFileForm(forms.ModelForm):<\/p>\n
    class Meta:<\/p>\n
        model = UploadedFile<\/p>\n
        fields = ['file']<\/p>\n
    def clean_file(self):<\/p>\n
        file = self.cleaned_data.get('file')<\/p>\n
        if file:<\/p>\n
            file_type = file.content_type.split('\/')[1]<\/p>\n
            if file_type not in ['txt', 'pdf', 'png', 'jpg', 'jpeg', 'gif']:<\/p>\n
                rAI<\/a>se ValidationError('Invalid file type')<\/p>\n
        return file<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516d\u3001\u4f7f\u7528\u7b2c\u4e09\u65b9\u5b58\u50a8\u670d\u52a1\uff08\u5982AWS S3\uff09\u4fdd\u5b58\u6587\u4ef6<\/h3>\n<\/p>\n
\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u7b2c\u4e09\u65b9\u5b58\u50a8\u670d\u52a1\uff08\u5982AWS S3\uff09\u6765\u4fdd\u5b58\u4e0a\u4f20\u7684\u6587\u4ef6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528AWS S3\u4fdd\u5b58\u6587\u4ef6\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
1. \u5b89\u88c5Boto3\u5e93<\/h4>\n<\/p>\n
\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5Boto3\u5e93\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n<\/p>\n
pip install boto3<\/p>\n
<\/code><\/pre>\n<\/p>\n
2. \u914d\u7f6eAWS\u51ed\u8bc1<\/h4>\n<\/p>\n
\u6211\u4eec\u9700\u8981\u914d\u7f6eAWS\u51ed\u8bc1\uff0c\u53ef\u4ee5\u5728~\/.aws\/credentials<\/code>\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<\/p>\n
[default]<\/p>\n
aws_access_key_id = YOUR_ACCESS_KEY<\/p>\n
aws_secret_access_key = YOUR_SECRET_KEY<\/p>\n
<\/code><\/pre>\n<\/p>\n
3. \u4e0a\u4f20\u6587\u4ef6\u5230S3<\/h4>\n<\/p>\n
\u5728Flask\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Boto3\u5e93\u5c06\u6587\u4ef6\u4e0a\u4f20\u5230S3\uff1a<\/p>\n<\/p>\n
import boto3<\/p>\n
s3 = boto3.client('s3')<\/p>\n
def upload_to_s3(file, bucket, filename):<\/p>\n
    s3.upload_fileobj(file, bucket, filename)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728Django\u793a\u4f8b\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u89c6\u56fe\u4e2d\u4f7f\u7528Boto3\u5e93\u5c06\u6587\u4ef6\u4e0a\u4f20\u5230S3\uff1a<\/p>\n<\/p>\n
import boto3<\/p>\n
s3 = boto3.client('s3')<\/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
            file = request.FILES['file']<\/p>\n
            upload_to_s3(file, 'your-bucket-name', file.name)<\/p>\n
            return redirect('upload_success')<\/p>\n
    else:<\/p>\n
        form = UploadFileForm()<\/p>\n
    return render(request, 'upload.html', {'form': form})<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u6211\u4eec\u53ef\u4ee5\u5728Python\u4e2d\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\uff0c\u5e76\u786e\u4fdd\u6587\u4ef6\u4e0a\u4f20\u7684\u5b89\u5168\u6027\u548c\u6709\u6548\u6027\u3002\u65e0\u8bba\u662f\u4f7f\u7528Flask\u8fd8\u662fDjango\u6846\u67b6\uff0c\u6211\u4eec\u90fd\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u6587\u4ef6\u4e0a\u4f20\u529f\u80fd\uff0c\u5e76\u5c06\u6587\u4ef6\u4fdd\u5b58\u5230\u672c\u5730\u76ee\u5f55\u6216\u7b2c\u4e09\u65b9\u5b58\u50a8\u670d\u52a1\u4e2d\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5728Python\u4e2d\uff0c\u5982\u4f55\u5b89\u5168\u5730\u5904\u7406\u7528\u6237\u4e0a\u4f20\u7684\u6587\u4ef6\uff1f<\/strong>
\u5904\u7406\u7528\u6237\u4e0a\u4f20\u7684\u6587\u4ef6\u65f6\uff0c\u5e94\u91c7\u53d6\u591a\u79cd\u5b89\u5168\u63aa\u65bd\u3002\u9996\u5148\uff0c\u786e\u4fdd\u4f7f\u7528\u5408\u9002\u7684\u6587\u4ef6\u9a8c\u8bc1\u673a\u5236\uff0c\u68c0\u67e5\u6587\u4ef6\u7684\u7c7b\u578b\u548c\u5927\u5c0f\uff0c\u907f\u514d\u6267\u884c\u4e0d\u5b89\u5168\u7684\u6587\u4ef6\u3002\u53ef\u4ee5\u4f7f\u7528Python\u7684mimetypes<\/code>\u6a21\u5757\u6765\u9a8c\u8bc1\u6587\u4ef6\u7c7b\u578b\u3002\u540c\u65f6\uff0c\u4f7f\u7528\u5e93\u5982Flask<\/code>\u6216Django<\/code>\u63d0\u4f9b\u7684\u5185\u7f6e\u529f\u80fd\u6765\u5904\u7406\u4e0a\u4f20\uff0c\u786e\u4fdd\u6587\u4ef6\u5b58\u50a8\u5728\u5b89\u5168\u7684\u76ee\u5f55\u4e2d\uff0c\u5e76\u907f\u514d\u76f4\u63a5\u5728\u670d\u52a1\u5668\u4e0a\u6267\u884c\u4e0a\u4f20\u7684\u6587\u4ef6\u3002<\/p>\n
Python\u652f\u6301\u54ea\u4e9b\u6587\u4ef6\u4e0a\u4f20\u7684\u5e93\u6216\u6846\u67b6\uff1f<\/strong>
Python\u4e2d\u6709\u591a\u79cd\u6d41\u884c\u7684\u5e93\u548c\u6846\u67b6\u53ef\u4ee5\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u3002Flask<\/code>\u548cDjango<\/code>\u662f\u6700\u5e38\u7528\u7684Web\u6846\u67b6\uff0c\u5b83\u4eec\u63d0\u4f9b\u4e86\u7b80\u5355\u6613\u7528\u7684\u6587\u4ef6\u4e0a\u4f20\u529f\u80fd\u3002\u6b64\u5916\uff0cFastAPI<\/code>\u662f\u4e00\u4e2a\u73b0\u4ee3\u7684\u6846\u67b6\uff0c\u652f\u6301\u5f02\u6b65\u7f16\u7a0b\uff0c\u9002\u5408\u9ad8\u6027\u80fd\u7684\u5e94\u7528\u3002\u5bf9\u4e8e\u66f4\u8f7b\u91cf\u7ea7\u7684\u65b9\u6848\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528Bottle<\/code>\u6216Tornado<\/code>\u3002<\/p>\n
\u5982\u4f55\u5728Python\u4e2d\u9a8c\u8bc1\u4e0a\u4f20\u6587\u4ef6\u7684\u7c7b\u578b\u548c\u5927\u5c0f\uff1f<\/strong>
\u5728\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u65f6\uff0c\u9a8c\u8bc1\u6587\u4ef6\u7c7b\u578b\u548c\u5927\u5c0f\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u53ef\u4ee5\u901a\u8fc7\u68c0\u67e5content-type<\/code>\u548c\u6587\u4ef6\u6269\u5c55\u540d\u6765\u9a8c\u8bc1\u6587\u4ef6\u7c7b\u578b\u3002\u5bf9\u4e8e\u6587\u4ef6\u5927\u5c0f\uff0c\u53ef\u4ee5\u5728\u4e0a\u4f20\u65f6\u8bbe\u7f6e\u6700\u5927\u9650\u5236\uff0c\u4f7f\u7528Flask<\/code>\u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7app.config['MAX_CONTENT_LENGTH']<\/code>\u6765\u9650\u5236\u4e0a\u4f20\u6587\u4ef6\u7684\u5927\u5c0f\u3002\u786e\u4fdd\u5728\u5904\u7406\u8fd9\u4e9b\u9a8c\u8bc1\u65f6\u63d0\u4f9b\u6e05\u6670\u7684\u9519\u8bef\u53cd\u9988\uff0c\u4ee5\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u5904\u7406\u4e0a\u4f20\u6587\u4ef6\u7684\u8fc7\u7a0b\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u4e2a\u6b65\u9aa4\u5b8c\u6210\uff1a\u5229\u7528Flask\u6846\u67b6\u5904\u7406\u6587\u4ef6\u4e0a\u4f20\u3001\u4f7f\u7528Django\u6846 […]","protected":false},"author":3,"featured_media":1065079,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1065074"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1065074"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1065074\/revisions"}],"predecessor-version":[{"id":1065083,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1065074\/revisions\/1065083"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1065079"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1065074"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1065074"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1065074"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}