python3 flask实现文件上传功能
本文实例为大家分享了python3-flask文件上传操作的具体代码,供大家参考,具体内容如下
#-*-coding:utf-8-*- importos importuuid importplatform fromflaskimportFlask,request,redirect,url_for fromwerkzeug.utilsimportsecure_filename ifplatform.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 #判断文件夹是否存在,如果不存在则创建 ifnotos.path.exists(UPLOAD_FOLDER): os.makedirs(UPLOAD_FOLDER) else: pass #判断文件后缀是否在列表中 defallowed_file(filename): return'.'infilenameand\ filename.rsplit('.',1)[1]inALLOW_EXTENSIONS @app.route('/',methods=['GET','POST']) defupload_file(): ifrequest.method=='POST': #获取post过来的文件名称,从name=file参数中获取 file=request.files['file'] iffileandallowed_file(file.filename): #secure_filename方法会去掉文件名中的中文 filename=secure_filename(file.filename) #因为上次的文件可能有重名,因此使用uuid保存文件 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) returnredirect(url_for('upload_file',filename=file_name)) return'''UploadnewFile UploadnewFile
''' if__name__=="__main__": app.run(host='0.0.0.0',port=5000)
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持毛票票。