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flask讀取顯示檔案

# -*- coding: utf-8 -*-

import os
import uuid
import platform
from flask import Flask,request,redirect,url_for
from werkzeug.utils import secure_filename

if platform.system() == "Windows":
    slash = '\\'
else:
    platform.system()=="Linux"
    slash = '/'
UPLOAD_FOLDER = 'upload'
ALLOW_EXTENSIONS =
set(['html', 'htm', 'doc', 'docx', 'mht', 'pdf']) app = Flask(__name__) app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER #判斷資料夾是否存在,如果不存在則建立 if not os.path.exists(UPLOAD_FOLDER): os.makedirs(UPLOAD_FOLDER) else: pass # 判斷檔案字尾是否在列表中 def allowed_file(filename): return '.' in filename and \ filename.
rsplit('.', 1)[1] in ALLOW_EXTENSIONS @app.route('/',methods=['GET','POST']) def upload_file(): if request.method =='POST': #獲取post過來的檔名稱,從name=file引數中獲取 file = request.files['file'] if file and allowed_file(file.filename): # secure_filename方法會去掉檔名中的中文 filename =
secure_filename(file.filename) #因為上次的檔案可能有重名,因此使用uuid儲存檔案 file_name = str(uuid.uuid4()) + '.' + filename.rsplit('.', 1)[1] file.save(os.path.join(app.config['UPLOAD_FOLDER'],file_name)) base_path = os.getcwd() file_path = base_path + slash + app.config['UPLOAD_FOLDER'] + slash + file_name print(file_path) return redirect(url_for('upload_file',filename = file_name)) return ''' <!doctype html> <title>Upload new File</title> <h1>Upload new File go go GO</h1> <form action="" method=post enctype=multipart/form-data> <p><input type=file name=file> <input type=submit value=Upload> </form> ''' @app.route('/testdownload', methods=['GET']) def testdownload(): with open(os.path.join("C:\\Users\\Administrator\\", 'text.txt')) as f: s=f.read(100) #讀取前五個位元組 f.close() return 'ok'+str(s) if __name__ == "__main__": app.run(host='0.0.0.0',port=7000)#IP Port