学生管理系统GUI

一。mysql

import pymysql
# 创建表格
db = pymysql.connect(host='localhost',user='root',password='13642205874lgw',database='mrsoft')
cursor = db.cursor()
cursor.execute('DROP TABLE IF EXISTS books')
sqlm = '''
CREATE TABLE stu(
    class int(8) NOT NULL AUTO_INCREMENT,
    name varchar(50) NOT NULL,
    id int(8) NOT NULL NOT NULL,
    PRIMARY KEY(class)
)ENGINE = MyISAM AUTO_INCREMENT=1 DEFAULT CHARSET=utf8;
'''
cursor.execute(sqlm)
db.close()
二。学生管理系统

import wx
import pymysql
# GUI程序
class MyFrame(wx.Frame):
    def __init__(self,parent,id):
        wx.Frame.__init__(self,parent,id,'班级信息收集',size=(400,300))
        #创建面板
        panel = wx.Panel(self)
    #创建“保存”和“查询”按钮，并绑定事件
        self.bt_storage = wx.Button(panel,label="保存")
        self.bt_storage.Bind(wx.EVT_BUTTON,self.OnclickSubmit)
        self.bt_inquire = wx.Button(panel,label ='查询')
        self.bt_inquire.Bind(wx.EVT_BUTTON,self.OnclickInquire)
        #创建文本，左对齐
        self.title =wx.StaticText(panel,label ="班级信息保存查询")
        self.label_class =wx.StaticText(panel,label ="班级:")
        self.text_class =wx.TextCtrl(panel,style =wx.TE_LEFT)
        self.label_user =wx.StaticText(panel,label ="姓名:")
        self.text_user =wx.TextCtrl(panel,style =wx.TE_LEFT)
        self.label_number = wx.StaticText(panel,label ="学号:")
        self.text_number = wx.TextCtrl(panel,style =wx.TE_LEFT)
        #添加容器，容器中控件横向排列
        hsizer_class =wx.BoxSizer(wx.HORIZONTAL)
        hsizer_class.Add(self.label_class,proportion=0,flag=wx.ALL,border=5)
        hsizer_class.Add(self.text_class,proportion=1,flag=wx.ALL,border=5)
        hsizer_user = wx.BoxSizer(wx.HORIZONTAL)
        hsizer_user.Add(self.label_user,proportion=0,flag=wx.ALL,border=5)
        hsizer_user.Add(self.text_user,proportion=1,flag =wx.ALL,border=5)
        hsizer_number =wx.BoxSizer(wx.HORIZONTAL)
        hsizer_number.Add(self.label_number,proportion=0,flag=wx.ALL,border=5)
        hsizer_number.Add(self.text_number,proportion=1,flag=wx.ALL,border=5)
        hsizer_button =wx.BoxSizer(wx.HORIZONTAL)
        hsizer_button.Add(self.bt_storage,proportion=0,flag=wx.ALIGN_CENTER,border=5)
        hsizer_button.Add(self.bt_inquire,proportion=0,flag=wx.ALIGN_CENTER,border=5)
        #添加容器，容器中的控件纵向排列
        vsizer_all = wx.BoxSizer(wx.VERTICAL)
        vsizer_all.Add(self.title,proportion=0,flag=wx.BOTTOM |wx.TOP |wx.ALIGN_CENTER,border=15)
        vsizer_all.Add(hsizer_class,proportion=0,flag=wx.EXPAND |wx.LEFT |wx.RIGHT,border=45)
        vsizer_all.Add(hsizer_user,proportion=0,flag=wx.EXPAND |wx.LEFT |wx.RIGHT,border=45)
        vsizer_all.Add(hsizer_number,proportion=0,flag=wx.EXPAND |wx.LEFT |wx.RIGHT,border=45)
        vsizer_all.Add(hsizer_button,proportion=0,flag=wx.ALIGN_CENTER |wx.TOP,border=15)
        panel.SetSizer(vsizer_all)
    def OnclickSubmit(self,event):
        "单击保存按钮"
        #连接数据库
        db =pymysql.connect(host='localhost',user='root',password='13642205874lgw',database="mrsoft",charset='utf8')
        message =""
        Class =self.text_class.GetValue()                   #获取输入的班级
        User =self.text_user.GetValue()                     #获取输入的用户名
        Id =self.text_number.GetValue()                     #获取输入的学号
        #使用cursor()方法创建一个游标对象
        cursor = db.cursor()
        data = [(Class,User,Id)]
        try:
            #执行sql语句，插入数据
            sql="insert into stu(class, name, id) values(%s,%s,%s)"
            cursor.executemany(sql,data)
            #提交数据
            db.commit()
        except:
            #发生错误时回滚
            db.rollback()
        #关闭连接
        db.close()
        #判断是否为空
        if Class =="" or User =="" or Id =="":
            message ='班级或名字或密码不能为空'
        else:
            message ='保存成功'                                   #用户名或密码错误
        wx.MessageBox(message)                                   #弹出提示框
    def OnclickInquire(self,event):
        "单击查询按钮"
        User =self.text_user.GetValue()                     #获取输入的用户名
        Id =self.text_number.GetValue()                     #获取输入的学号
        db =pymysql.connect(host='localhost',user='root',password='13642205874lgw',database="mrsoft",charset='utf8')
        #使用cursor()方法创建一个游标对象
        cursor = db.cursor()
        sql =""
        message =""
        if User:
            sql ="SELECT * FROM stu \
                  WHERE NAME = %s"                               #找到该名字
            try:
                #执行sql语句
                cursor.execute(sql,User)
                #获取记录
                results =cursor.fetchall()
                if results:                                      #若找到不为空，输出对应的信息
                    for row in results:
                        Class = row[0]
                        User =row[1]
                        Id =row[2]
                    message ="班级：{}\n姓名：{}\n学号：{}\n".format(Class,User,Id)
                else:
                    message ="没有这个名字"
            except:
                print("Error: unable to fecth data")              #数据错误--
        elif Id:
            sql ="SELECT * FROM stu \
                  WHERE NUMBER = %s"
            try:
                #执行sql语句
                cursor.execute(sql,Id)
                #获取记录
                results =cursor.fetchall()
                if results:
                    for row in results:
                        Class = row[0]
                        User =row[1]
                        Id =row[2]
                    message ="班级:{}\n姓名:{}\n学号:{}\n".format(Class,User,Id)
                else:
                    message ="没有这个学号"
            except:
                print("Error: unable to fecth data")
        else:
            message ="班级或名字或密码不能为空"
        #关闭数据库
        db.close()
        wx.MessageBox(message)
if __name__ == '__main__':
    app = wx.App()
    frame = MyFrame(parent=None,id=1)
    frame.Show()
    app.MainLoop()

标签：cursor,管理系统,GUI,proportion,学生,self,Add,hsizer,wx
来源： https://www.cnblogs.com/xyc666/p/15678703.html