python实现学生信息管理系统,供大家参考,具体内容如下
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
|
#!/usr/bin/env python # -*- coding:utf-8 -*- import re import os # 主函数 def main(): ctrl = True while (ctrl): menu() option = input ( "请选择:" ) option_str = re.sub( "\D" , "", option) if option_str in [ '0' , '1' , '2' , '3' , '4' , '5' , '6' , '7' ]: option_int = int (option_str) if option_int = = 0 : print ( "您已退出学生信息管理系统!" ) ctrl = False elif option_int = = 1 : insert() elif option_int = = 2 : search() elif option_int = = 3 : delete() elif option_int = = 4 : modify() elif option_int = = 5 : sort() elif option_int = = 6 : total() elif option_int = = 7 : show() # 显示主菜单 def menu(): print ( """ -------------------学生信息管理系统--------------------- ======================功能菜单========================= 1 录入学生信息 2 查找学生信息 3 删除学生信息 4 修改学生信息 5 排序 6 统计学生总人数 7 显示所有学生信息 0 退出系统 ====================================================== 说明:通过数字或上下方向键选择菜单 ------------------------------------------------------ """ ) # 向指定文件写入指定内容的函数 filename = "students.txt" def save(student): try : students_txt = open (filename, "a" ) except : students_txt = open (filename, "w" ) for info in student: students_txt.write( str (info) + "\n" ) students_txt.close() # 1 录入学生信息 def insert(): studentList = [] mark = True while mark: id = input ( "请输入ID(如1001):" ) if not id : break name = input ( "请输入名字:" ) if not name: break try : english = int ( input ( "请输入英语成绩:" )) python = int ( input ( "请输入Python成绩:" )) c = int ( input ( "请输入C语言成绩:" )) except : print ( "输入无效,不是整型数值....重新录入信息" ) continue # 信息保存到字典 student = { "id" : id , "name" : name, "english" : english, "python" : python, "C语言" : c} studentList.append(student) inputMark = input ( "是否继续添加?(y/n):" ) if inputMark = = "y" : mark = True else : mark = False save(studentList) print ( "学生信息录入完毕!" ) # 2 查找学生信息 def search(): mark = True student_query = [] while mark: id = "" name = "" if os.path.exists(filename): mode = input ( "按ID查输入1,按姓名查输入2:" ) if mode = = "1" : id = input ( "请输入学生ID:" ) elif mode = = "2" : name = input ( "请输入学生姓名:" ) else : print ( "您的输入有误,请重新输入!" ) search() with open (filename, 'r' ) as file : student = file .readlines() for list in student: d = dict ( eval ( list )) if id is not "": if d[ 'id' ] = = id : student_query.append(d) elif name is not "": if d[ 'name' ] = = name: student_query.append(d) show_student(student_query) student_query.clear() inputMark = input ( "是否继续查询?(y/n):" ) if inputMark = = "y" : mark = True else : mark = False else : print ( "暂未保存数据信息..." ) return def show_student(studentList): if not studentList: print ( "无数据信息" ) return format_title = "{:^6}{:^12}\t{:^8}\t{:^10}\t{:^10}\t{:^10}" print (format_title. format ( "ID" , "名字" , "英语成绩" , "Python成绩" , "C语言成绩" , "总成绩" )) format_data = "{:^6}{:^12}\t{:^12}\t{:^12}\t{:^12}\t{:^12}" for info in studentList: print (format_data. format (info.get( "id" ), info.get( "name" ), str (info.get( "english" )), str (info.get( "python" )), str (info.get( "C语言" )), str (info.get( "english" ) + info.get( "python" ) + info.get( "C语言" )).center( 12 ))) # 3 删除学生信息 def delete(): mark = True while mark: studentId = input ( "请输入要删除的学生ID:" ) if studentId is not "": if os.path.exists(filename): with open (filename, 'r' ) as rfile: student_old = rfile.readlines() else : student_old = [] ifdel = False if student_old: with open (filename, 'w' ) as wfile: d = {} for list in student_old: d = dict ( eval ( list )) if d[ 'id' ] ! = studentId: wfile.write( str (d) + "\n" ) else : ifdel = True if ifdel: print ( "ID为%s的学生信息已经被删除..." % studentId) else : print ( "没有找到ID为%s的学生信息..." % studentId) else : print ( "无学生信息..." ) break show() inputMark = input ( "是否继续删除?(y/n):" ) if inputMark = = "y" : mark = True else : mark = False # 4 修改学生信息 def modify(): show() if os.path.exists(filename): with open (filename, 'r' ) as rfile: student_old = rfile.readlines() else : return studentid = input ( "请输入要修改的学生ID:" ) with open (filename, "w" ) as wfile: for student in student_old: d = dict ( eval (student)) if d[ "id" ] = = studentid: print ( "找到了这名学生,可以修改他的信息!" ) while True : try : d[ "name" ] = input ( "请输入姓名:" ) d[ "english" ] = int ( input ( "请输入英语成绩:" )) d[ "python" ] = int ( input ( "请输入Python成绩:" )) d[ "C语言" ] = int ( input ( "请输入C语言成绩:" )) except : print ( "输入信息有误,重新输入" ) else : break student = str (d) wfile.write(student + "\n" ) print ( "修改成功!" ) else : wfile.write(student) mark = input ( "是否继续修改其他学生信息?(y/n):" ) if mark = = "y" : modify() # 5 排序 def sort(): show() if os.path.exists(filename): with open (filename, 'r' ) as file : student_old = file .readlines() student_new = [] for list in student_old: d = dict ( eval ( list )) student_new.append(d) else : return ascOrDesc = input ( "请选择(0升序;1降序):" ) if ascOrDesc = = "0" : ascOrDescBool = False elif ascOrDesc = = "1" : ascOrDescBool = True else : print ( "您的输入有误,请重新输入!" ) sort() mode = input ( "请选择排序方式(1按英语排序;2按Python排序;3按C语言排序;0按总成绩排序)" ) if mode = = "1" : student_new.sort(key = lambda x: x[ "english" ], reverse = ascOrDescBool) elif mode = = "2" : student_new.sort(key = lambda x: x[ "python" ], reverse = ascOrDescBool) elif mode = = "3" : student_new.sort(key = lambda x: x[ "C语言" ], reverse = ascOrDescBool) elif mode = = "0" : student_new.sort(key = lambda x: x[ "english" ] + x[ "python" ] + x[ "C语言" ], reverse = ascOrDescBool) else : print ( "您的输入有误,请重新输入!" ) sort() show_student(student_new) # 6 统计学生总人数 def total(): if os.path.exists(filename): with open (filename, 'r' ) as rfile: student_old = rfile.readlines() if student_old: print ( "一共有%s名学生" % len (student_old)) else : print ( "还没有录入学生信息!" ) else : print ( "暂未保存数据信息..." ) # 7 显示所有学生信息 def show(): student_new = [] if os.path.exists(filename): with open (filename, 'r' ) as rfile: student_old = rfile.readlines() for list in student_old: student_new.append( eval ( list )) if student_new: show_student(student_new) else : print ( "暂未保存数据信息..." ) # 0 退出系统 if __name__ = = '__main__' : main() |
安装pyinstaller打包成可执行exe文件
1
2
3
4
5
6
|
pip install pyinstaller ... (pydemo) D:\JavaProjects\PythonProject\ 01 学生信息管理系统>pyinstaller - - version 4.3 (pydemo) D:\JavaProjects\PythonProject\ 01 学生信息管理系统>pyinstaller - F D:\JavaProjects\PythonProject\ 01 学生信息管理系统\StuManagerSys.py |
在下面的路径即可找到打包后的exe文件
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/xiaoxaoyu/article/details/117970316