文件上传
form表单实现文件上传
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<link rel="stylesheet" href="/static/bs/css/bootstrap.min.css">
</head>
<body>
<div class="container">
<div class="row">
<div class="col-md-offset-3 col-md-6">
<form action="" style="margin-top:100px" class="form-group" method="post" enctype="multipart/form-data">
{% csrf_token %}
<div class="form-group">
<label>用户名：</label>
<input type="text" name="user" class="form-control">
</div>
<div>
<label>上传文件</label>
<input type="file" name="file_obj">
</div>
<input type="submit" class="btn btn-info" value="提交">
</form>
</div>
</div>
</div>
</body>
<script src="/static/jquery/jquery-3.3.1.js"></script>
</html>
django部分
def upload(request):
if request.POST:
file_obj = request.FILES.get("file_obj")
print(file_obj)
path = os.path.join(settings.MEDIA_ROOT, file_obj.name)
with open(path, 'wb')as f:
for line in file_obj:
f.write(line)
return render(request, "upload.html")
ajax实现文件上传
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>注册</title>
<link rel="stylesheet" href="/static/bs/css/bootstrap.css">
<style type="text/css">
.error {
color: #ff2b23;
}
</style>
</head>
<body>
<div class="container" style="margin-top: 100px">
<div class="row">
<div class="col-md-offset-3 col-md-6">
<form id="form">
{% csrf_token %}
<div class="form-group">
<label>用户名：</label>
<input type="text" class="form-control" id="user" name="user">
<span class="error pull-right"></span>
</div>
<div class="form-group">
<label>密码：</label>
<input type="password" class="form-control" id="pwd" name="pwd">
<span class="error pull-right"></span>
</div>
<div class="form-group">
<label>确认密码：</label>
<input type="password" class="form-control" id="re_pwd" name="re_pwd">
<span class="error pull-right"></span>
</div>
<div class="form-group">
<label for="avatar">头像
<img id="avatar_img" src="/media/avatar/default.jpeg" height="60" width="60">
</label>
<input type="file" id="avatar" name="avatar" style="display: none;">
</div>
<input type="button" class="sub btn btn-info" value="注册">
</form>
</div>
</div>
</div>
</body>
<script src="/static/jquery/jquery-3.3.1.js"></script>
<script type="text/javascript">
$("#avatar").change(function () {
var file_obj = $(this)[0].files[0];
var reader = new FileReader();
reader.readAsDataURL(file_obj);
console.log(reader.result);
reader.onload = function () {
$("#avatar_img").attr("src", reader.result);
}
});
$(".sub").click(function () {
var pwd = $("#pwd").val();
var re_pwd = $("#re_pwd").val();
if (pwd != re_pwd) {
$("#re_pwd+ span").html("两次密码不一致");
setTimeout(function () {
$("#re_pwd").next().html('');
}, 1000);
return
}
var formdata = new FormData();
var requestData = $("#form").serializeArray();
$.each(requestData, function (index, data) {
formdata.append(data.name, data.value)
});
console.log(formdata);
$.ajax({
url: "",
type: "post",
contentType: false,
processData: false,
data: formdata,
success: function (data) {
console.log(data);
if (data.user) {
alert("注册成功！");
location.href = "/login/";
} else {
$("span.error").html('');
$.each(data.msg, function (field, error_list) {
console.log(field);
console.log(error_list);
$("#" + field).next().html(error_list);
})
}
}
})
})
</script>
</html>
django部分
views.py
def reg(request):
print(request.POST)
if request.is_ajax():
form = UserForm(request.POST)
response = {"user": None, "msg": None}
if form.is_valid():
user = form.cleaned_data.get('user')
pwd = form.cleaned_data.get('pwd')
avartar_obj = request.FILES.get('avatar')
extra = {}
if avartar_obj:
extra["avatar"] = avartar_obj
models.UserInfo.objects.create_user(username=user, password=pwd, **extra)
response["user"] = user
else:
print(form.errors)
response["msg"] = form.errors
return JsonResponse(response)
return render(request, 'reg.html')
def login(request):
if request.is_ajax():
response = {"user": None, "msg": None}
print(request.POST)
username = request.POST.get("user")
pwd = request.POST.get("pwd")
user = auth.authenticate(username=username, password=pwd)
if user:
auth.login(request, user)
response["user"] = user.username
else:
response["msg"] = "用户名或者密码不正确"
return JsonResponse(response)
return render(request, "login.html")
models
class UserInfo(AbstractUser):
avatar = models.FileField("avatar/", default='avatar/default.jpeg')
