PyQt5 QLineEdit输入的子网字符串校验QRegExp实现
自己编写的用于对lineEdit编辑框输入的子网,例如:192.168.60.1/24字符串校验是否合规。
# 限制lineEdit编辑框只能输入./字符和数字 reg = QRegExp('[0-9./]+$') validator = QRegExpValidator(self) validator.setRegExp(reg) self.lineEditSubNet.setValidator(validator)
def SubnetVerification(self, strTempSubNet): """ 对输入的子网字符串进行校验 """ # 对输入的交换机子网地址及子网掩码格式进行校验 if strTempSubNet.count('/') == 1: pass else: # 警告信息框 win32api.MessageBox(0, "请输入正确的子网,例:192.168.60.1/24", "温馨提示", win32con.MB_ICONWARNING) return False strListNet = strTempSubNet.split('/') if strListNet[0] != '' and strListNet[1] != '': pass else: # 警告信息框 win32api.MessageBox(0, "请输入正确的子网,例:192.168.60.1/24", "温馨提示", win32con.MB_ICONWARNING) return False self.strIP = strListNet[0] self.strSubMaskNum = strListNet[1] # print(self.strIP) # print(self.strSubMaskNum) if 1 <= int(self.strSubMaskNum, 10) <= 32: pass else: # 警告信息框 win32api.MessageBox(0, "请输入正确的子网,例:192.168.60.1/24", "温馨提示", win32con.MB_ICONWARNING) return False # 对输入的交换机子网地址进行校验 # 判断是否符合IP地址中有3个. if self.strIP.count('.') == 3: pass else: # 警告信息框 win32api.MessageBox(0, "请输入正确的子网,例:192.168.60.1/24", "温馨提示", win32con.MB_ICONWARNING) return False strList = self.strIP.split(".") # print(strList) if strList[0] != '' and strList[1] != '' and strList[2] != '' and strList[3] != '': pass else: # 警告信息框 win32api.MessageBox(0, "请输入正确的子网,例:192.168.60.1/24", "温馨提示", win32con.MB_ICONWARNING) return False nList = list(map(int, strList)) if 0 <= nList[0] <= 255 and 0 <= nList[1] <= 255 and 0 <= nList[2] <= 255 and 0 <= nList[3] <= 255: pass else: # 警告信息框 win32api.MessageBox(0, "请输入正确的子网,例:192.168.60.1/24", "温馨提示", win32con.MB_ICONWARNING) return False return True
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