前端HTML
<!DOCTYPE html>
{% load static %}
{% get_static_prefix as getstatic %}
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta http-equiv="x-ua-compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="icon" >
<link href="{{ getstatic }}plugins/bootstrap-3.3.7/css/bootstrap.min.css" rel="stylesheet">
<title>注冊頁面</title>
<style>
.title-top {
padding: 0;
font-size: 21px;
margin-top: 40px;
}
.form-padding {
padding-right: 65px;
}
.has-feedback .country-code {
width: 53px;
text-align: right;
padding-right: 5px;
}
.mobile-control-wrap {
display: flex;
}
.mobile-num {
margin-left: 10px;
}
.form-horizontal .form-group {
margin-right: -15px;
margin-left: -15px;
}
.body-box {
margin-top: 70px;
height: 567px;
width: 68%;
}
.cnblogs-btn-blue {
color: white;
padding: 6px 14px;
letter-spacing: 1em;
padding-left: 2em;
background-color: RGB(70, 136, 214);
text-align: center;
}
.cnblogs-btn-blue :hover {
color: white;
}
.navbar {
background-color: RGB(40, 62, 92);
}
.side-img-box {
height: 300px;
position: relative;
padding-left: 0;
margin-top: 168px;
}
.side-img-box img {
position: relative;
width: 100%;
top: 50%;
transform: translateY(-50%);
border-radius: 8px;
}
.text-danger {
float: right;
}
.img-thumbnail {
width: 100px;
height: 100px;
margin-bottom: 20px;
margin-top: -10px;
}
#avatr_img {
margin-left: 237px;
}
</style>
</head>
<body>
<nav class="navbar navbar-inverse navbar-fixed-top">
<div class="container">
<!-- Brand and toggle get grouped for better mobile display -->
<div class="navbar-header">
<img src="{{ getstatic }}img/TIM截圖20180205110238.png">
</div>
<!-- Collect the nav links, forms, and other content for toggling -->
<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<ul class="nav navbar-nav navbar-right">
<li><a href="#">首頁</a></li>
<li><a href="#">登錄</a></li>
<li><a href="#">注冊</a></li>
<li><a href="#">幫助</a></li>
</ul>
</div><!-- /.navbar-collapse -->
</div><!-- /.container-fluid -->
</nav>
<div class="container body-box" style="height: 567px;">
<div class="center-block body-content">
<!--頭部提示-->
<div class="hidden-xs title-top col-sm-12">
注冊新用戶
<hr class="head-hr">
</div>
<div class="form-wrap">
<form class="form-horizontal col-sm-8 form-padding" role="form" id="registerForm" method="post"
novalidate="novalidate">
<!--每一行-->
<div id="avatr_img" class="form-group">
<label for="avatar">
<img id="avatar_img" class="img-thumbnail" src="{{ getstatic }}img/registersideimg.png" alt="用戶頭像">
頭像
</label>
<input type="file" style="display: none;" id="avatar">
</div>
<div class="form-group">
<div class="col-sm-2 control-label">
<label class="w4-2" for="Email">郵 箱</label>
</div>
<div class="col-sm-10 has-feedback">
{{ register_form.email }}
<span class="text-danger"></span>
</div>
</div>
<div class="form-group">
<div class="col-sm-2 control-label">
<label class="w4-4" for="DisplayName">昵稱</label>
</div>
<div class="col-sm-10 has-feedback">
{{ register_form.nik_name }}
<span class="text-danger field-validation-error"><span id="DisplayName-error"></span></span>
</div>
</div>
<div class="form-group">
<div class="col-sm-2 control-label">
<label class="w4-2" for="Password">密 碼</label>
</div>
<div class="col-sm-10 has-feedback">
{{ register_form.password }}
<span class="text-danger field-validation-error"></span>
</div>
</div>
<div class="form-group">
<div class="col-sm-2 control-label">
<label class="w4-4" for="ConfirmPassword">確認密碼</label>
</div>
<div class="col-sm-10 has-feedback">
{{ register_form.repeta_pwd }}
<span class="text-danger field-validation-error"><span id="mobile-error"></span></span>
</div>
</div>
<!--注冊按鈕-->
<div class="form-group">
<div class="col-sm-offset-2 col-sm-10">
<span class="col-sm-12 ajax-error"></span>
<input id="submitBtn" onclick="regesite()" type="button"
class="btn ladda-button center-block cnblogs-btn-blue" value="登錄">
</div>
</div>
<!--協議提示-->
<div class="col-sm-offset-2 register-sign">
<span class="asterisk">*</span> “注冊” 按鈕，即表示您同意并愿意遵守 <a class="look-agreeon" target="_blank"
>用戶協議</a>。
</div>
<!--hidden-->
{% csrf_token %}
</form>
<div class="hidden-xs col-sm-4 side-img-box">
<div class="side-line">
<div></div>
</div>
<img src="{{ getstatic }}img/registersideimg.png">
</div>
</div>
</div>
</div>
<script src="{{ getstatic }}js/jquery-3.2.1.min.js"></script>
<script src="{{ getstatic }}plugins/bootstrap-3.3.7/js/bootstrap.min.js"></script>
</body>
</html>上面的代碼只是HTML ，而JavaScript在下面實例中
<script>
$("#avatar").change(function () {
var chooice_file = $(this)[0].files[0];
var reader = new FileReader();// 注意這里，預覽本地文件
reader.readAsDataURL(chooice_file);
reader.onload=function () {
$("#avatar_img").attr("src",this.result)
}
})
function regesite() {
var formdata = new FormData(); //z注意這里 涉及文件上傳
formdata.append("email",$("#id_email").val());
formdata.append("nik_name",$("#id_nik_name").val());
formdata.append("password",$("#id_password").val());
formdata.append("repeta_pwd",$("#id_repeta_pwd").val());
formdata.append("valid_img",$("#avatar")[0].files[0]);
formdata.append("csrfmiddlewaretoken",$("[name='csrfmiddlewaretoken']").val());
$.ajax({
url: "{% url "regeste" %}",
type: "POST",
data:formdata,
contentType:false,
processData:false,
success: function (data) {
response_data = JSON.parse(data)
if(response_data.user){
location.href="{% url " rel="external nofollow" login" %}"
}else {
// 清空上次錯誤信息
$("form span").html("")
$(".has-feedback").removeClass("has-error")
$.each(response_data.error_msg,function (fiel, error_info) {
// 顯示錯誤信息
$("#id_"+fiel).parent().addClass("has-error");
$("#id_"+fiel).next().html(error_info[0]);//顯示全局錯誤 // 注意這里
if(fiel=="__all__"){
$("#id_repeta_pwd").next().html(error_info[0]).css("color","red")
}
})
}
}
})
}
</script>FileReader
FileReader主要用于將文件內容讀入內存，通過一系列異步接口，可以在主線程中訪問本地文件。
使用FileReader對象，web應用程序可以異步的讀取存儲在用戶計算機上的文件(或者原始數據緩沖)內容，可以使用File對象或者Blob對象來指定所要處理的文件或數據。
設計RegisterForm組件
from django import forms
from . import models
from django.forms import widgets
from django.core.exceptions import NON_FIELD_ERRORS, ValidationError
class RegisterForm(forms.Form):
nik_name = forms.CharField(max_length=32,
widget=widgets.TextInput(attrs={"class":"form-control"}),
error_messages={"required":"用戶不能為空"})
email = forms.EmailField(widget=widgets.EmailInput(attrs={"class":"form-control"}),
error_messages={"required":"郵箱不能為空", "invalid":"郵箱格式錯誤"})
password = forms.CharField(min_length=5, widget=widgets.PasswordInput(attrs={"class":"form-control"}),
error_messages={"required": "密碼不能為空",
"min_length":"最小長度5位",
}
)
repeta_pwd = forms.CharField(widget=widgets.PasswordInput(attrs={"class":"form-control"}),
error_messages={"required": "密碼不能為空"})
def clean_nik_name(self):
name = self.cleaned_data.get("nik_name")
users = models.UserInfo.objects.filter(nik_name=name)
if not users:
return name
else:
raise ValidationError("用戶已存在")
def clean(self): //全局鉤子
pwd = self.cleaned_data.get("password")
repeta_pwd = self.cleaned_data.get("repeta_pwd")
if pwd and repeta_pwd:
if pwd == repeta_pwd:
return self.cleaned_data
else:
raise ValidationError("兩次密碼不一致")
else:
return self.cleaned_data服務器
def post(self,request):
reg_response = {"user": None,"error_msg":""}
register_form = RegisterForm(request.POST)
if register_form.is_valid():
email = request.POST.get("email")
nik_name = request.POST.get("nik_name")
password = request.POST.get("password")
repeta_pwd = request.POST.get("repeta_pwd")
valid = request.FILES.get("valid_img") #注意這里使用的request.FILES.get("")
if not valid:
valid = "avatardir/TIM圖片20171209211626.gif"
check_user = models.UserInfo.objects.create_user(username=nik_name,nik_name=nik_name, email=email,
password=password,
avatar=valid
) # 注意這里保存導數據庫中的是圖片路徑，并不是圖片
reg_response = {"user": "user", "error_msg": ""}
return HttpResponse(json.dumps(reg_response))
else:
reg_response["error_msg"]=register_form.errors
return HttpResponse(json.dumps(reg_response))Model中 Userifor 的img
avatar = models.FileField(upload_to='avatar/', default="/avatar/default.gif", verbose_name="主鍵")
注意：
upload_to ：默認把文件夾創建至根目錄下，如創建至指定位置，需要在setting中配置media。
如：希望用戶上傳的文件單獨存儲，在setting中配置，
MEDIA_ROOT= os.path.jion(BASE_DIR,"blog","media")
//此時，用戶上傳文件時，先創建并將文件保存至“putImg”文件夾中，“putImg”，然后將“putImg”放至對應的路徑中。
# media 配置
url(r"^media/(?P<path>.*)",sever,{"document_root":setting.MEDIA_ROOT})配置好上面的url 后，用戶可以訪media 文件夾下面的所有文件
注意：
server ，是從django.views.static import server導入 from . import settings //url中的使用
總結
以上所述是小編給大家介紹的基于Ajax和forms組件實現注冊功能，希望對大家有所幫助，如果大家有任何疑問請給我留言，小編會及時回復大家的。在此也非常感謝大家對腳本之家網站的支持！
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