PyMySQL设计-进销存系统-完整版-

前缀

Main

color

Start

前缀

将3个文件保存好之后，放在同一个文件夹中，运行start即可~文件名最好不要修改

Main

import pymysql
import openpyxl
import prettytable as pt
from color import Colored
color = Colored()
x = pt.PrettyTable()
choice = ""
try:conn = pymysql.connect(host="*******",port=3306,user="root",passwd="*********",db="******")#连接自己的数据库即可！print(color.green("二次连接MySQL库成功!"))cursor = conn.cursor()
except Exception as e:print(e)print('连接MySQL库失败')class Main(object):#输出菜单def sendout(self):print("==================================================")print("----------------" + color.yellow("正式") + "·" + color.green("3.9") + "·" + color.cyan("进销存系统") + "---------------")print("-------------------" + color.cyan("1.选择表格") + "---------------------")print("-------------------" + color.cyan("2.创建表格") + "---------------------")print("-------------------" + color.cyan("3.删除表格") + "---------------------")print("-------------------" + color.green("4.本地保存") + "---------------------")print("-------------------5.录入货物---------------------")print("-------------------6.修改货物---------------------")print("-------------------7.查看货物---------------------")print("-------------------8.移除货物---------------------")print("-------------------9. -设置- ---------------------")print("-------------------" + color.red("q.退出系统") + "---------------------")# 主循环【主程序】def run(self):global choicewhile True:if choice == "":choice = self.choose()else:self.sendout()index = input("请输入操作指令：")if index == "1":choice = self.choose()elif index == "2":self.upload()elif index == "3":self.delete()elif index == "4":self.excel()elif index == "5":self.plus()elif index == "6":self.modify()elif index == "7":self.see()elif index == "8":self.remove()elif index == "9":self.option()elif index == "q":print("数据上传中...")conn.close()print("您已退出")print("本文原创,作者" + color.cyan("琉璃果子") + color.red(",请勿抄袭"))returnelse:print(color.red("输入了一个错误指令!请输入1-7"))#选择表格def choose(self):global choicechoice = ""sql = "show tables from erptest"cursor.execute(sql)results = cursor.fetchall()if len(results) >= 1:print("能选择操作的表格如下：")for i in range(len(results)):print(color.green(str(i + 1) + "."),results[i][0])chose = input(color.green("您要选择哪个表格？(输入表格名或编号)"))if self.judge(chose,isint = True):if len(results) >= int(chose):choice = results[int(chose) - 1][0]return choiceelse:for row in results:if row[0] == chose:choice = chosereturn choiceprint(color.red("输入错误请重新输入"))self.choose()else:print("当前没有可操作的表格，正在新建")self.upload()# plus,bbb,ccc 完成了录入货物 [bbb,ccc为plus的判断条件]def plus(self):id = input("请输入货品编号：")if id.isdigit() and int(id) > 0:while self.bbb_good(id):if self.bbb_good(id):print("该编号已占用")id = input("请输入货物编号：")else:print("编号必须为正整数!")id = input("请输入货物编号：")while self.judge(id,isint = False) == False or self.bbb_good(id):if self.bbb_good(id):print("该编号已占用")id = input("请输入货物编号：")good_name = input("请输入货物名称：")good_price = input("请输入货物单价：")while not self.judge(good_price):good_price = input("请输入货物单价：")good_count = input("请输入货物数量：")good_unit = input("输入货物计量单位：")while not self.judge(good_count):good_count = input("请输入货物数量：")good_type = input("请输入货物类型：")sql_insert = "insert into " + choice + "(id,name,number,price,unit,type) values(%s,%s,%s,%s,%s,%s)"try:cursor.execute(sql_insert,(str(id),str(good_name),str(good_count),str(good_price),str(good_unit),str(good_type)))conn.commit()print("添加货物成功！")except Exception as e:print(e)conn.rollback()print('添加失败')# 判断条件，判断数据库中有没有你要添加iddef bbb_good(self,id):global choicesql_fetch = "select * from " + choice + " where id >= 1"cursor.execute(sql_fetch)results = cursor.fetchall()for item in results:if str(item[0]) == id:return Truereturn False# 判断条件，判断输入的格式是否正确def judge(self,str,isint = False):if isint:try:res = int(str)except:print(color.red("您输入的数据格式为非整数"))return Falseelse:return Trueelse:try:res = float(str)except:print(color.red("您输入的数据格式为非小数"))return Falseelse:return True#实现修改功能def modify(self):global choicesql_fetch = "select * from " + choice + " where id >= 1"cursor.execute(sql_fetch)results = cursor.fetchall()id = input("请输入货物编号：")if self.judge(id,isint = True):id = int(id)else:print(color.red("请输入正整数!"))return 0long = len(results)if long >= id and id >= 1:select = input("修改的类型？(名称,数量,单价)")if select == "名称":name = input("将" + color.green("名称") + "修改为？")sql_modify = "update " + choice + " set name = %s where id = %s"cursor.execute(sql_modify,(name,id))self.sql()elif select == "数量":number = input("将" + color.green("数量") + "修改为？")sql_modify = "update " + choice + " set number = %s where id = %s"cursor.execute(sql_modify,(number,id))self.sql()elif select == "单价":price = input ("将" + color.green("单价") + "修改为？")sql_modify = "update " + choice + " set price = %s where id = %s"cursor.execute(sql_modify,(price,id))self.sql()else:print(color.red("输入有误！"))else:print("该货物不存在！")#实现SQL提交功能def sql(self):try:conn.commit()print(color.green("修改成功！"))except Exception as e:print(e)conn.rollback()print(color.red('修改失败'))# 实现移除功能def remove(self):global choicedelete = input("请输入货物编号：")sql_delete = "delete from " + choice + " where id = " + deletec = self.bbb_good(delete)if c:cursor.execute(sql_delete)self.sql()print(color.green("成功移除！"))else:print(color.red("没有该货物！"))# 查看货物def see(self):global choicex.clear_rows()print("输入1隐藏数量")print("输入2隐藏单位")print("输入3隐藏类型")print("按下其他键全部查看")need = input("请输入指令:")x.field_names = [color.cyan("编号"),color.blue("名称"),color.blue("数量"),color.blue("单价"),color.blue("单位"),color.blue("类型")]sql_fetch = "select * from " + choice + " where id >= 1"cursor.execute(sql_fetch)results = cursor.fetchall()for row in results:id = row[0]name = row[1]number = row[2]price = row[3]unit = row[4]type = row[5]x.add_row([id,name,number,price,unit,type])if (need == "1"):print(x.get_string(fields = [color.cyan("编号"),color.blue("名称"),color.blue("单价"),color.blue("单位"),color.blue("类型")]))elif (need == "2"):print(x.get_string(fields = [color.cyan("编号"),color.blue("名称"),color.blue("数量"),color.blue("单价"),color.blue("类型")]))elif (need == "3"):print(x.get_string(fields = [color.cyan("编号"),color.blue("名称"),color.blue("数量"),color.blue("单价"),color.blue("单位")]))else:print(x)#实现删除表格功能def delete(self):sql = "show tables from erptest"cursor.execute(sql)results = cursor.fetchall()print(color.green("可以操作的表格如下："))for row in results:print(row[0])table = input("请输入要删除的表格名：")if table == choice:c = input(color.yellow("你确定要删除当前的表格吗？(Y/N)"))if c == "Y":if len(results) == 1:print(color.red("当前只有这一个表格，请新创建一个后重试！"))elif table == choice:cursor.execute("drop table if EXISTS " + table)print(color.green("操作成功!"))self.choose()else:cursor.execute("drop table if EXISTS " + table)else:cursor.execute("drop table if EXISTS " + table)print(color.green("操作成功"))#实现创建表格功能def upload(self):sql_create = input("请输入要创建的表格名，" + color.red("如果存在会被删除！"))try:e = int(sql_create)print(color.red("开头必须为字母或汉字"))except:sql_createDB = "create table " + sql_create + "(id int(8) primary key auto_increment,name varchar(30) not null,number varchar(5),price varchar(8),unit varchar(10),type varchar(8))"try:cursor.execute("drop table if EXISTS " + sql_create)cursor.execute(sql_createDB)conn.commit()print(color.green("创建成功"))except Exception as e:print(e)conn.rollback()print(color.red("创建失败！！！"))#设置def option(self):print(color.yellow("按下Enter键可以跳过指定设置"))a = input("查看表格样式：* (输入*) - (输入-) | (输入|) + (输入+)")if a == "*":x.junction_char = "*"elif a == "-":x.junction_char = "-"elif a == "|":x.junction_char = "|"elif a == "+":x.junction_char = "+"a = input("查看表格风格(简约 默认 精简):")if a == "简约":x.set_style(pt.PLAIN_COLUMNS)elif a == "默认":x.set_style(pt.DEFAULT)elif a == "精简":x.set_style(pt.MSWORD_FRIENDLY)#实现保存为本地Exceldef excel(self):global choicetry:with conn.cursor() as cursor:cursor.execute("select id,name,number,price,type from " + choice)excel_workbook=openpyxl.Workbook()excel_sheet=excel_workbook.activefor col_id, col_name in enumerate(['id','name','number','price','type']):excel_sheet.cell(1,col_id+1,col_name)for row_id,row_emp in enumerate(cursor.fetchall()):for col_id,col_value in enumerate(row_emp):excel_sheet.cell(row_id+2,col_id+1,col_value)name = input(color.red("(如果表格名存在将被替换)") + "输入表格名：")excel_workbook.save("B:/Save/" + name + ".xlsx")#路径自行设置~print("成功！")except pymysql.MySQLError as err:print(err)

color

from colorama import init,Fore,Back,Style
init (autoreset=True)
class Colored(object):def red(self, s):#红return Fore.LIGHTRED_EX + s + Fore.RESETdef green(self, s):#绿return Fore.LIGHTGREEN_EX + s + Fore.RESETdef yellow(self, s):#黄return Fore.LIGHTYELLOW_EX + s + Fore.RESETdef white(self,s):#白return Fore.LIGHTWHITE_EX + s + Fore.RESETdef blue(self,s):#蓝return Fore.LIGHTBLUE_EX + s + Fore.RESETdef cyan(self,s):#青return Fore.CYAN + s + Fore.RESET
color = Colored()
print(color.green("Welcome"),color.cyan("to"),color.red("colorama!"))

Start

from Main import Main
import pymysql
try:#为防止无法连接MYSQL报错conn = pymysql.connect(host="******",port=3306,user="root",passwd="******",db="******")#连接自己的数据库即可print("连接MySQL库成功!")cursor = conn.cursor()main = Main()main.run()conn.close()
except Exception as e:print(e)print('连接MySQL库失败')

好啦，到这里PyMySQL的进销存系统就全部完毕啦，谢谢~

如果有误，请多多指教

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PyMySQL设计-进销存系统-完整版-

前缀

Main

color

Start

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