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flask django 上传文件

2017-08-11 16:50 274 查看
flask   上传文件

采用wtf 上传文件

设置表单:

class Up_file_Foem(FlaskForm):
body = FileField(u'选择上传文件', validators=[Required()])
submit = SubmitField(u'开始上传')


设置 前端页面

@main.route('/', methods=['GET', 'POST'])  #
def index():
form = Up_file_Foem()
print os.path.dirname(__file__)
if form.validate_on_submit():
file = form.body.data

# filename = secure_filename(file.filename) #判断文件名合法   但是当遇到中文时会导致文件名只剩后缀

filename = form.body.data.filename
file.save(os.path.join(os.path.dirname(__file__), filename))#file是文件流 save(所要保存文件的直接路径)
print '文件保存成功'

else:
print '---------------'

return render_template('index.html', form=form)

前端页面

{% extends "base.html" %}
{% import "bootstrap/wtf.html" as wtf %}
{% import "_macros.html" as macros %}

{% block title %}首页{% endblock %}

{% block page_content %}
<div class="page-header">
<h1>欢迎</h1>
</div>
<div>

{{ wtf.quick_form(form) }}

</div>

{% endblock %}

{% block scripts %}
{% endblock %}




django  上传文件

html  表单提交

<form enctype="multipart/form-data" method="POST" action="http://10.10.10.242:5000/EasyNode/v1/NODE/conversion_kvm/">
<input type="text" name="a"> <br>
<input type="file" name="myfile" /><br>
<br />
<input type="submit" value="上传文件" />
</form>


后台获取:

if request.method == 'POST':
myFile = request.FILES.get("myfile", None)
print request.POST['a']
if os.path.exists(file_path + '/' + myFile.name):  # 判断文件是否重名
File_name = time.strftime('%Y_%m_%d', time.localtime(time.time())) + myFile.name
else:
File_name = myFile.name
if not myFile:
return HttpResponse(simplejson.dumps({'code': 1,'msg':'name repeat'}))
try:
destination = open(os.path.join(file_path, File_name), 'wb+')  # 保存文件
for chunk in myFile.chunks():  # 分块写入文件
destination.write(chunk)
destination.close()
except:
HttpResponse(simplejson.dumps({'code': 2,'msg':'save file erro'}))
return HttpResponse(simplejson.dumps({'code': 0}))
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