//Case

@pyqtSignature("") def on_pushButton_3_clicked(self): mw = QtGui.QWidget() mw.setGeometry(10,10,100,100) mw.setWindowTitle("mainWindow") fl = QtGui.QFormLayout()...

class LinkedList: def __init__(self): self.size = 0 self.head = Node pass def addItem(self, obj): newNode = Node(obj) if self.size <= 0: ...

def queryFilter(self,start_time,end_time,cboPayMethod,cboPayStatus,cboCashier): session = self.sesstionmk() textsql = " 1=1 and orderDateTime between '"+start_time+"' and '"+end_t...

printer = open("LPT1", "wb")bs = bytearray(u'凭证\n姓名\n年龄\n', encoding='gbk')printer.write(bs)printer.flush()printer.close()

def str_to_hex(s): return ' '.join([hex(ord(c)).replace('0x', '') for c in s])def hex_to_str(s): return ''.join([chr(i) for i in [int(b, 16) for b in s.split(' ')]])def str_to_bin(s): ...

首先安装pyserialpip install pyserial示例代码如下:import serialser = serial.Serial(port='COM1', baudrate=9600)print ser.isOpen()recept = u"""STAR便利店凭证商户名称: 测试订单编号:123456"""c = bytearray(recept, ...

在post里边加上 headers={‘content-type’: “application/json”} 这个参数就可以了 这样写 result = requests.post(url,data=json,headers={‘content-type’: “application/json”})

# -*- coding: utf-8 -*-import sysfrom PyQt4 import QtGui, QtCorefrom PyQt4.QtCore import pyqtSignaturefrom frm_revocation import Ui_Form#Ui_Form是我用qt designer画的class FrmRevocationEx(Ui_Form): ...

CreateThread.py# -*- coding:utf-8 -*-import threadingimport timefrom PyQt4 import QtCorefrom PyQt4.QtCore import QThreadclass CreateThread(QThread): signal_time = QtCore.pyqtSignal(str,in...