GUI程序设计--班级信息收集系
作者：互联网
1 import pymysql
2 import wx
3 class MyFrame(wx.Frame):
4 def __init__(self,parent,id):
5 wx.Frame.__init__(self,parent,id,'班级信息收集',size=(400,300))
6 #创建面板
7 panel = wx.Panel(self)
8
9 #创建“保存”和“查询”按钮，并绑定事件
10 self.bt_storage = wx.Button(panel,label="保存")
11 self.bt_storage.Bind(wx.EVT_BUTTON,self.OnclickStorage)
12 self.bt_inquire = wx.Button(panel,label ='查询')
13 self.bt_inquire.Bind(wx.EVT_BUTTON,self.OnclickInquire)
14 #创建文本，左对齐
15 self.title =wx.StaticText(panel,label ="保存信息请输入用户的学号班级和姓名\n\t查询请输入姓名或学号")
16 self.label_class =wx.StaticText(panel,label ="班级：")
17 self.text_class =wx.TextCtrl(panel,style =wx.TE_LEFT)
18 self.label_user =wx.StaticText(panel,label ="姓名：")
19 self.text_user =wx.TextCtrl(panel,style =wx.TE_LEFT)
20 self.label_number = wx.StaticText(panel,label ="学号：")
21 self.text_number = wx.TextCtrl(panel,style =wx.TE_LEFT)
22 #添加容器，容器中控件横向排列
23 hsizer_class =wx.BoxSizer(wx.HORIZONTAL)
24 hsizer_class.Add(self.label_class,proportion=0,flag=wx.ALL,border=5)
25 hsizer_class.Add(self.text_class,proportion=1,flag=wx.ALL,border=5)
26 hsizer_user = wx.BoxSizer(wx.HORIZONTAL)
27 hsizer_user.Add(self.label_user,proportion=0,flag=wx.ALL,border=5)
28 hsizer_user.Add(self.text_user,proportion=1,flag =wx.ALL,border=5)
29 hsizer_number =wx.BoxSizer(wx.HORIZONTAL)
30 hsizer_number.Add(self.label_number,proportion=0,flag=wx.ALL,border=5)
31 hsizer_number.Add(self.text_number,proportion=1,flag=wx.ALL,border=5)
32 hsizer_button =wx.BoxSizer(wx.HORIZONTAL)
33 hsizer_button.Add(self.bt_storage,proportion=0,flag=wx.ALIGN_CENTER,border=5)
34 hsizer_button.Add(self.bt_inquire,proportion=0,flag=wx.ALIGN_CENTER,border=5)
35 #添加容器，容器中的控件纵向排列
36 vsizer_all = wx.BoxSizer(wx.VERTICAL)
37 vsizer_all.Add(self.title,proportion=0,flag=wx.BOTTOM |wx.TOP |wx.ALIGN_CENTER,border=15)
38 vsizer_all.Add(hsizer_class,proportion=0,flag=wx.EXPAND |wx.LEFT |wx.RIGHT,border=45)
39 vsizer_all.Add(hsizer_user,proportion=0,flag=wx.EXPAND |wx.LEFT |wx.RIGHT,border=45)
40 vsizer_all.Add(hsizer_number,proportion=0,flag=wx.EXPAND |wx.LEFT |wx.RIGHT,border=45)
41 vsizer_all.Add(hsizer_button,proportion=0,flag=wx.ALIGN_CENTER |wx.TOP,border=15)
42 panel.SetSizer(vsizer_all)
43
44 def OnclickStorage(self,event):
45 "单击保存按钮"
46 #连接数据库
47 db =pymysql.connect(host='localhost',user='root',password='L897512',database="xinji_inf",charset='utf8')
48 message =""
49 classname =self.text_class.GetValue() #获取输入的班级
50 username =self.text_user.GetValue() #获取输入的用户名
51 number =self.text_number.GetValue() #获取输入的学号
52 #使用cursor()方法创建一个游标对象
53 cursor = db.cursor()
54 #数据列表
55 data = [(classname,username,number)]
56 try:
57 #执行sql语句，插入数据
58 sql="insert into accountpassword(class, name, number) values(%s,%s,%s)"
59 cursor.executemany(sql,data)
60 #提交数据
61 db.commit()
62 except:
63 #发生错误时回滚
64 db.rollback()
65 #关闭连接
66 db.close()
67 #判断是否为空
68 if classname =="" or username =="" or number =="":
69 message ='班级或名字或密码不能为空'
70 else:
71 message ='保存成功' #用户名或密码错误
72 wx.MessageBox(message) #弹出提示框
73
74 def OnclickInquire(self,event):
75 "单击查询按钮"
76 username =self.text_user.GetValue() #获取输入的用户名
77 number =self.text_number.GetValue() #获取输入的学号
78 db =pymysql.connect(host='localhost',user='root',password='L897512',database="xinji_inf",charset='utf8')
79 #使用cursor()方法创建一个游标对象
80 cursor = db.cursor()
81 sql =""
82 message =""
83 if username:
84 sql ="SELECT * FROM ACCOUNTPASSWORD \
85 WHERE NAME = %s" #找到该名字
86 try:
87 #执行sql语句
88 cursor.execute(sql,username)
89 #获取记录
90 results =cursor.fetchall()
91 if results: #若找到不为空，输出对应的信息
92 for row in results:
93 classname = row[0]
94 username =row[1]
95 number =row[2]
96 message ="班级：{}\n姓名：{}\n学号：{}\n".format(classname,username,number)
97 else:
98 message ="没有这个名字"
99 except:
100 print("Error: unable to fecth data") #数据错误--
101 elif number:
102 sql ="SELECT * FROM ACCOUNTPASSWORD \
103 WHERE NUMBER = %s" #查找学号，同上
104 try:
105 #执行sql语句
106 cursor.execute(sql,number)
107 #获取记录
108 results =cursor.fetchall()
109 if results:
110 for row in results:
111 classname = row[0]
112 username =row[1]
113 number =row[2]
114 message ="班级：{}\n姓名：{}\n学号：{}\n".format(classname,username,number)
115 else:
116 message ="没有这个学号"
117 except:
118 print("Error: unable to fecth data")
119 else:
120 message ="班级或名字或密码不能为空"
121 #关闭数据库
122 db.close()
123 wx.MessageBox(message)
124 if __name__ =='__main__':
125 app = wx.App() #初始化应用
126 frame = MyFrame(parent=None, id=-1) #实例MyFrame类，并传递参数
127 frame.Show() #显示窗口
128 app.MainLoop() #调用主循环方法
129
结果：
保存信息： 查询信息--已保存成功 查询信息--未保存
标签：班级,--,GUI,proportion,number,hsizer,Add,self,wx 来源： https://www.cnblogs.com/lwqbk/p/15668717.html