Flask入门（3）(文件操作)

上传

from flask import Flask,request
app = Flask(__name__)
@app.route('/upload',methods=['POST'])
def upload():
	for fileobj in request.files.getlist('files'):        # 获取所有上传的文件
		if fileobj:
			fileobj.save(fileobj.filename)                # 保存到当前目录，使用文件名
	return {'status':200,'message':'OK','success':True}

下载

from flask import Flask,send_file
from mimetypes import guess_type as getmime
app = Flask(__name__)
@app.route('/download/<fname>')
def download(fname):
	return send_file(fname,getmime(fname)[0],True,fname)

预览

from flask import Flask,send_file
app = Flask(__name__)
app.add_url_rule('/preview/<fname>',view_func = send_file)