django Form 效验
Django 登入效验
.py
from django import forms
from student import models
from django.core.exceptions import ValidationError
from django.core.validators import RegexValidator
class RegForm(forms.Form):
username = forms.CharField(
max_length=16,
label="用户名",
widget=forms.widgets.TextInput(attrs={"class": "form-control"},),
error_messages={
"max_length": "用户名最长16位",
"required": "用户名不能为空",
}
)
password = forms.CharField(
min_length=6,
max_length=10,
label="密码",
widget=forms.widgets.PasswordInput(attrs={"class": "form-control"},),
error_messages={
"max_length": "最小长度为6",
"required": "密码不能为空",
}
)
re_password = forms.CharField(
min_length=6,
max_length=10,
label="确认密码",
widget=forms.widgets.PasswordInput(attrs={"class": "form-control"}, render_value=True),
error_messages={
"min_length": "密码最少6位",
"required": "密码不能为空",
}
)
gender = forms.ChoiceField(
choices=(('男', "男"), ('女', "女")),
label="性别",
initial=1,
widget=forms.widgets.RadioSelect
)
age = forms.CharField(
max_length=10,
label="年龄",
widget=forms.widgets.TextInput(attrs={"class": "form-control"}),
)
addr = forms.CharField(
max_length=32,
label="地址",
widget=forms.widgets.TextInput(attrs={"class": "form-control"}),
error_messages={
"required": "地址不能为空",
}
)
phone = forms.CharField(
label="手机",
validators=[
RegexValidator(r'^1[3-9][0-9]{9}$', '手机格式不正确')
],
widget=forms.widgets.TextInput(attrs={"class": "form-control"}),
error_messages={
"required": "手机不能为空"
}
)
# 重写username字段的局部钩子
def clean_username(self):
username = self.cleaned_data.get("username")
is_exist = models.Student.objects.filter(username=username)
if is_exist:
# 表示用户名已注册
self.add_error("username", ValidationError("用户名已存在！"))
else:
return username
# 重写全局的钩子函数， 对确认密码做效验
def clean(self):
password = self.cleaned_data.get("password")
re_password = self.cleaned_data.get("re_password")
if re_password and re_password != password:
self.add_error("re_password", ValidationError("两次密码不一致"))
else:
return self.cleaned_data
.html
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>注册</title> <link rel="stylesheet" href="/static/bootstrap/css/bootstrap.min.css"> <link rel="stylesheet" href="/static/mystyle.css"> </head> <body> <div class="container"> <div class="row"> <div class="col-md-6 col-md-offset-3"> <form novalidate action="/reg/" method="post" class="form-horizontal reg-form"> {# autocomplete="off"自动补全 #} {% csrf_token %} <div class="form-group"> <label for="{{ form_obj.username.id_for_label }}" class="col-sm-2 control-label">{{ form_obj.username.label }}</label> <div class="col-sm-10"> {{ form_obj.username }} <span class="help-block">{{ form_obj.username.errors.0 }}</span> </div> </div> <div class="form-group"> <label for="{{ form_obj.password.id_for_label }}" class="col-sm-2 control-label">{{ form_obj.password.label }}</label> <div class="col-sm-10"> {{ form_obj.password }} <span class="help-block">{{ form_obj.password.errors.0 }}</span> </div> </div> <div class="form-group"> <label for="{{ form_obj.re_password.id_for_label }}" class="col-sm-2 control-label">{{ form_obj.re_password.label }}</label> <div class="col-sm-10"> {{ form_obj.re_password }} <span class="help-block">{{ form_obj.re_password.errors.0 }}</span> </div> </div> <div class="form-group"> <label for="{{ form_obj.gender.id_for_label }}" class="col-sm-2 control-label">{{ form_obj.gender.label }}</label> <div class="col-sm-10"> {{ form_obj.gender }} <span class="help-block">{{ form_obj.gender.errors.0 }}</span> </div> </div> <div class="form-group"> <label for="{{ form_obj.age.id_for_label }}" class="col-sm-2 control-label">{{ form_obj.age.label }}</label> <div class="col-sm-10"> {{ form_obj.age }} <span class="help-block">{{ form_obj.age.errors.0 }}</span> </div> </div> <div class="form-group"> <label for="{{ form_obj.addr.id_for_label }}" class="col-sm-2 control-label">{{ form_obj.addr.label }}</label> <div class="col-sm-10"> {{ form_obj.addr }} <span class="help-block">{{ form_obj.addr.errors.0 }}</span> </div> </div> <div class="form-group"> <label for="{{ form_obj.phone.id_for_label }}" class="col-sm-2 control-label">{{ form_obj.phone.label }}</label> <div class="col-sm-10"> {{ form_obj.phone }} <span class="help-block">{{ form_obj.phone.errors.0 }}</span> </div> </div> <div class="form-group"> <div class="col-md-offset-2 col-sm-10"> <button type="submit" class="btn btn-success" id="reg-submit">注册</button> </div> </div> </form> </div> </div> </div> <script src="/static/jquery-3.3.1.js"></script> <script src="/static/bootstrap/js/bootstrap.min.js"></script> {#<script>#} {# // 找到头像的input标签绑定change事件#} {# $("#id_avatar").change(function(){#} {# //alert("123")#} {# // 1.读取你选中的那个文件#} {# var fileReader = new FileReader();#} {# // 取到你选中的那个文件#} {# //console.log(this.files[0]);#} {# //读取你选中的那个文件#} {# fileReader.readAsDataURL(this.files[0]);// 读取文件是需要时间的#} {# fileReader.onload = function () {#} {# //2.登上一部读完文件之后才把文件加载到img标签中#} {# $("#avatar-img").attr("src", fileReader.result);#} {# };#} {# });#} {# // AJAX提交注册的数据#} {# $("#reg-submit").click(function () {#} {# // 取到用户发送的请求数据,向后端发送AJAX请求#} {# //var username = $("#id_username").val();#} {# //var password = $("#id_password").val();#} {# //var re_password = $("#id_re_password").val()#} {# //var email = $("#id_email").val();#} {##} {# var formData = new FormData()#} {# formData.append("username", $("#id_username").val());#} {# formData.append("password", $("#id_password").val());#} {# formData.append("re_password", $("#id_re_password").val());#} {# formData.append("phone", $("#id_phone").val());#} {# formData.append("email", $("#id_email").val());#} {# formData.append("avatar", $("#id_avatar")[0].files[0]);#} {# formData.append("csrfmiddlewaretoken", $("[name='csrfmiddlewaretoken']").val());#} {# $.ajax({#} {# url:"/reg/",#} {# type:"post",#} {# processData: false,// 告诉jQuery不要处理我的数据#} {# contentType: false,// 告诉jQuery不要设置content类型#} {# data:formData,#} {# success:function (data) {#} {# if(data.status){#} {# //有错误就展示错误#} {# //console.log(data.msg);#} {# //将报错信息写到页面上#} {# $.each(data.msg, function (k,v) {#} {# $("#id_"+k).next("span").text(v[0]).parent().parent().addClass("has-error");#} {# })#} {# }else{#} {# //没有错误就跳转到指定页面#} {# location.href = data.msg;#} {# }#} {##} {# }#} {# });#} {# //将所有的input框架定获取焦点事件，将所有的错误信息清空#} {# $("form input").focus(function () {#} {# $(this).next().text("").parent().parent().removeClass("has-error");#} {# })#} {# });#} {# // 给username input框绑定一个时区焦点的事件， 失去焦点之后就效验用户名是否存在#} {# $("#id_username").blur(function() {#} {# //$("#id_username").on("input", function () {}) 边写边效验#} {# //alert(123);失去焦点就弹窗#} {# //取到用户填的值#} {# var username = $(this).val();#} {# // 发请求#} {# $.ajax({#} {# url: "/check_username_exist/",#} {# type: "get",#} {# data: {"username": username},#} {# success: function (data) {#} {# if (data.status) {#} {# //用户名已被注册#} {# $("#id_username").next().text(data.msg).parent().parent().addClass("has_error");#} {# }#} {# }#} {# })#} {# })#} {#</script>#} </body> </html>
此时此刻，非我莫属
