这是一组python用于验证数据是否合法的函数,包括检测类型是否为整数、浮点数、字符串、字典、元组、数组、bool类型等,还可以检测是否为 货币、是否为空、是否是合法的日期格式,是否是邮件地址(Email),是否是中文字符,是否符合用户账号的规则,是否是合法的ip地址等等。
代码语言:javascript复制#! /usr/bin/env python
coding=utf-8
import types
import re
"""
验证所有表单提交的数据
"""
判断是否为整数 15
def IsNumber(varObj):
return type(varObj) is types.IntType
判断是否为字符串 string
def IsString(varObj):
return type(varObj) is types.StringType
判断是否为浮点数 1.324
def IsFloat(varObj):
return type(varObj) is types.FloatType
判断是否为字典 {'a1':'1','a2':'2'}
def IsDict(varObj):
return type(varObj) is types.DictType
判断是否为tuple [1,2,3]
def IsTuple(varObj):
return type(varObj) is types.TupleType
判断是否为List [1,3,4]
def IsList(varObj):
return type(varObj) is types.ListType
判断是否为布尔值 True
def IsBoolean(varObj):
return type(varObj) is types.BooleanType
判断是否为货币型 1.32
def IsCurrency(varObj):
#数字是否为整数或浮点数
if IsFloat(varObj) and IsNumber(varObj):
#数字不能为负数
if varObj >0:
return isNumber(currencyObj)
return False
return True
判断某个变量是否为空 x
def IsEmpty(varObj):
if len(varObj) == 0:
return True
return False
判断变量是否为None None
def IsNone(varObj):
return type(varObj) is types.NoneType# == "None" or varObj == "none":
判断是否为日期格式,并且是否符合日历规则 2010-01-31
def IsDate(varObj):
if len(varObj) == 10:
rule = '(([0-9]{3}[1-9]|[0-9]{2}[1-9][0-9]{1}|[0-9]{1}[1-9][0-9]{2}|[1-9][0-9]{3})-(((0[13578]|1[02])-(0[1-9]|[12][0-9]|3[01]))|((0[469]|11)-(0[1-9]|[12][0-9]|30))|(02-(0[1-9]|[1][0-9]|2[0-8]))))|((([0-9]{2})(0[48]|[2468][048]|[13579][26])|((0[48]|[2468][048]|[3579][26])00))-02-29)$/'
match = re.match( rule , varObj )
if match:
return True
return False
return False
判断是否为邮件地址
def IsEmail(varObj):
rule = '[w-] (.[w-] )*@[w-] (.[w-] ) $'
match = re.match( rule , varObj )
if match:
return True
return False
判断是否为中文字符串
def IsChineseCharString(varObj):
for x in varObj:
if (x >= u"u4e00" and x<=u"u9fa5") or (x >= u'u0041' and x<=u'u005a') or (x >= u'u0061' and x<=u'u007a'):
continue
else:
return False
return True
判断是否为中文字符
def IsChineseChar(varObj):
if varObj[0] > chr(127):
return True
return False
判断帐号是否合法 字母开头,允许4-16字节,允许字母数字下划线
def IsLegalAccounts(varObj):
rule = '[a-zA-Z][a-zA-Z0-9_]{3,15}$'
match = re.match( rule , varObj )
if match:
return True
return False
匹配IP地址
def IsIpAddr(varObj):
rule = 'd .d .d .d '
match = re.match( rule , varObj )
if match:
return True
return False
if name=='main':
print 'IsDate:',IsDate('2010-01-31')
print 'IsNone:',IsNone(None)
print 'IsEmpty:',IsEmpty('1')
print 'IsCurrency:',IsCurrency(1.32)
print 'IsList:',IsList([1,3,4])
print 'IsTuple:',IsTuple([1,3,4])
print 'IsDict:',IsDict({'a1':'1','a2':'2'})
print 'IsFloat:',IsFloat(1.2)
print 'IsString:',IsString('string')
print 'IsNumber:',IsNumber(15)
print 'IsEmail:',IsEmail('sgicer@163.com')
print 'IsChineseChar:',IsChineseChar(u'啊')
print 'IsChineseCharString:',IsChineseCharString(u'啊倒萨')
print 'IsLegalAccounts:',IsLegalAccounts('alan_z')
print 'IsIpAddr:',IsIpAddr('127.1110.0.1')
pass</pre>