Python - Django - form 组件自定义校验

【Python - Django - form 组件自定义校验】的更多相关文章

Python - Django - form 组件自定义校验

reg2.html: <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>注册页面</title> <link rel="stylesheet" href="/static/bootstrap/css/bootstrap.min.css"> </hea…

Django的form组件——自定义校验函数

from django.shortcuts import render,HttpResponse from django import forms from django.core.exceptions import ValidationError #校验错误 class UserInfo(forms.Form): username = forms.CharField( label='用户名', required=True, ) password = forms.CharField( label…

Python - Django - form 组件基本用法

普通 form 表单的处理: reg.html: <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>注册页面</title> </head> <body> <form action="/reg/" method="post"> {%…

Django——form组件is_valid校验机制

#先来归纳一下整个流程#(1)首先is_valid()起手,看seld.errors中是否值,只要有值就是flase#(2)接着分析errors.里面判断_errors是都为空,如果为空返回self.full_clean(),否则返回self._errors#(3)现在就要看full_clean(),是何方神圣了,里面设置_errors和cleaned_data这两个字典,一个存错误字段,一个存储正确字段.#(4)在full_clean最后有一句self._clean_fields(),表示校验…

Python - Django - form 组件内置的正则校验器

app01/models.py: from django.db import models class UserInfo(models.Model): username = models.CharField(max_length=16) password = models.CharField(max_length=16) mobile = models.CharField(max_length=11) 创建了一个 UserInfo 表 reg2.html: <!DOCTYPE html> &l…

Python - Django - form 组件校验功能

app01/models.py: from django.db import models class UserInfo(models.Model): username = models.CharField(max_length=16) password = models.CharField(max_length=16) 创建一个 UserInfo 表 reg2.html: <!DOCTYPE html> <html lang="en"> <head>…

Python - Django - form 组件动态从数据库取 choices 数据

app01/models.py: from django.db import models class UserInfo(models.Model): username = models.CharField(max_length=16) password = models.CharField(max_length=16) mobile = models.CharField(max_length=11) class City(models.Model): name = models.CharFie…